SlideShare a Scribd company logo
1 of 6
Stephen Henig
43 Lake Avenue, Staten Island, NY 30303
1467 Holly Bank Circle, Dunwoody, GA 30338
StephenHenig@Hotmail.com
718-536-0153
Summary:
• Troubleshooting of firewalls safely, (Cisco ASA, CP), and VPN tunneling with IPSEC or SSL.
• Infrastructure ingress and egress points; firewall, switch, and VLAN management (Dot1Q).
• Bandwidth utilization and connection testing with Wireshark, TCPDUMP, and SNMP tools.
• F5 LTM load balancing expertise, and data center design architecture proficiency.
• DNS troubleshooting with UNIX CLI, Linux, or Windows based utilities (nslookup, NMAP).
• Experience in configuration of esoteric applications/protocols for IT Security.
• Designing TCP/IP networks with Visio and documentation of security policies (Remedy, AOTS).
• Experience with of IPSec and SSL VPNs, terminated on various endpoints (CP FW-1, ASA, F5).
Technical Platforms:
• Primary: Cisco routers and switches; F5 Big-IP LTM; Cisco PIX/ASA and Checkpoint Firewalls;
IPSec and SSL VPNs; OSPF, EIGRP, and BGP routing protocols; SNMP monitoring; Frame-
Relay, ATM, MPLS; and trouble tracking with Ethereal/Wireshark sniffers.
• Secondary: Juniper SRX firewalls, UNIX/Linux admin, Solaris, Windows 2003/2008 Servers,
DNS, VMware Server and Virtual Center Infrastructure.
CERTIFICATIONS:
• CCNA [Cisco Certified Network Associate] (5 times)
• CISSP [Certified Information Systems Security Professional]
• JNCIA [Juniper Networks Certified Internetwork Associate]
• Microsoft Certified Professional (MCP)
EXPERIENCE:
02/14-07/16
Solving Systems
Network Engineer New York NY/Atlanta, GA
• Network design and architecture implementation, with guaranteed security, from hardware
installation through firewall rulebase recommendations, and Visio design/documentation.
• F5 support and administration with LTM 11.5 configuration utility or the TMSH CLI.
• F5 LTM 11.x installation inclusive with members, nodes, pools, and configsync.
• IP support for larger subnetting project (heavy CIDR use) with / notation used for supernetting.
• F5 LTM 10.x updating attack signatures through UCS files, and editing of iRules with TCL.
• DNS resolution and troubleshooting route caches at work stations and network equipment.
• Linux support, SNMP monitoring (Solarwinds), and analysis of WAN links from workstations.
• Internet domain name service (DNS) connectivity and name cache testing for various locations.
• Configuration of Etherchannels and additions of ports to VLAN configuration.
• Orion Solarwinds Network Performance Monitor and results assured SNMP alerting.
• Network Instruments Observer or HP OpenView for notification of aberrant traffic behavior.
• Setting alarm thresholds locally and monitoring of connections across the WAN (QoS status).
• Security administration with the F5 LTM v. 11.3 software platform (ASM exposure).
• Checkpoint Firewall R75.40 monitoring and rulebase configuration with Smartdashboard.
• PCI data security standards auditing for easy compliance with government standards.
• Monitoring of BMC Remedy for your new customer communications (remote via IPSec VPN).
• Troubleshooting (Visio) infrastructure with Wireshark, TCPDUMP, and other sniffer tools.
07/13-10/13
Thomson Reuters
Infrastructure Support Analyst (Contract) New York, NY
• Data Center move support verifying server pool connectivity for globally accessible services.
• Server building with focus on ticker financials, X file structure, and financial software.
• Monitoring of Thomson ONE workstations, data recording, and Remedy trouble ticket
monitoring, DNS troubleshooting, and remediation of gapping in ticker reception.
01/11-6/13
Just Repairs
Network Infrastructure Engineer Atlanta, GA/New York, NY
• F5 (LTM) troubleshooting of server pools, IPSec or SSL profiles, end point load balancing, point-
to-point connectivity, and IPSec certificate offloading.
• F5 LTM traffic monitoring, logging, farm load balancing, auditing, and accounting/reporting.
• F5 V. 10.x TMOS updates, iRule creation, and administration via CLI or GUI.
• Running of F5 LTM 10.x qkview, and configuration files transferred for F5 Engineering support.
• Provided information to the engaged parties addressing compliance standards, management
reports, and other KPIs.
• Use of Solarwinds IP monitor for a visual display of port usage and to regulate IP address usage.
• Assisted the Process Owners in identifying and prioritizing process improvements.
• Facilitated Senior Management meetings for Major RFC reviews and/or endorsements
• Formulated test plans for “Proof of Concepts”; created Visio designs and architecture.
• VLAN configuration and coordination with disparate stake-holder groups for project controls.
• Troubleshooting of IPSEC/SSL VPNs, terminated on Checkpoint Firewall-1 or Cisco ASA.
• Troubleshooting switches, routers, and servers in the data center, with EIGRP dynamic routing,
remediation of SIA errors, VLANs, F5 member speed/duplex verification, and OSPF routing.
• Design and configuration of data center hardware, including VMware Player, application per-
VLAN configuration, subnetting, and server placement.
• Monitoring of cryptographic applications, URL filtering, alerting, Syslogs, and logging.
• Cisco ASA firewall administration ASDM utility, and NAT of secure application servers.
• Cisco PIX rule cleanup, verifying ACL usage, replacing hardware with ASA 5505/5510 firewalls.
• Cisco 2600/2800, and 7200 router configuration including static and OSPF dynamic routing.
• Layer VLAN connectivity for LAN running Cisco 6500 IOS platform switches.
• Configuration of esoteric security applications for IT Security (AAA, SSL, PKI, RADIUS,
TACACS+, EAP, EAP-Fast, PEAP, LEAP, CHAP, MS-CHAP) and authentication.
• Troubleshooting and isolation of connectivity issues and application communication, working
across load-balanced server pools (F5) with disparate back-end servers on isolated subnets.
• UNIX system administration, including various CLI tools, and file manipulation (cat, vi, grep,
passwd, kill, mv, mkdir, rmdir, chmod).
• Prepared DLP policies, managed workflows, performed remediation of vulnerabilities reported or
projected, and running of reports and administration from the management console.
• Checkpoint Firewall-1 R70/R75.40 enforcement point installation (Secureplatform (SPLAT)).
• Checkpoint Firewall-1 R65 user administration, and site-to-multi-site SSL VPN configuration.
• Configuration of routers with OSPF router IDs and associated configuration (single area,
occasionally with virtual links), interface IPs, and port/VLAN assignments.
06/10-08/10 (unexpected hospitalization, Northside Hospital, do to auto accident at this time)
AT&T
Network Engineer (Contract) Oakton, VA
• F-5 Big-IP LTM load balancer configuration with emphasis on WAN traffic control and balance.
• Maintained LTM (F5 Local Traffic Manager) for load-balancing multiple server pools.
• Verification of firewall rules, and administration of Checkpoint Firewall-1, and the AOTS.
• Maintained a LAN/WAN Data Center Infrastructure supporting MPLS connectivity and
SNMP.
12/09 – 03/10
Quality Technology Services
Senior WAN Engineer (Contract) Suwannee, GA
• Data center connectivity with Cisco 6500 switches (Sup720) and 7600-S series routers (RSP720),
and configuration of BGP attributes for WAN connectivity (routing with EIGRP or OSPF).
• UNIX (SunOS/Solaris) administration and troubleshooting for end-users across the enterprise.
• Multi-homed BGP inbound and outbound policy configuration including route-maps, as-path
access-lists, filter-lists, as path prepending, and associated troubleshooting.
• Backbone network redesign planning, documentation, ISP selection and screening for
MPLS/VPLS solution replacement supporting VoIP and jumbo frames with burst capability.
• Firewall administration (Cisco ASA, and NetScreen) for managed services).
01/09 – 11/09
AT&T
IP Security and Network Engineer (Contract) Oakton, VA
• Cisco (6513, 7609) and Juniper (M320) router configuration including load-balancing, route-
maps, ACLs, OSPF single area configurations, call-flow troubleshooting, and BGP routing.
• Data center connectivity and end-to-end troubleshooting of server and workstations.
• Installation of VMware ESX server software and configuration of VLAN infrastructure.
• Cisco IOS scripting, VPN fast re-route operations, and change management documentation.
• Firewall ruleset changes to permit communication through ISP, direct connect, or VPN (AVPN).
• Cisco ASA 5500 firewall administration for site-to-site VPN customers (multiple contexts).
• Cisco CSS 11000 administration for [HTTP] web portal load-balancing operations.
02/08 – 11/08
ConsumerSource Interactive (Rentpath)
Network Engineer (Contract) Norcross, GA
• Data center redesign of including Cisco 6509 and 2960 switches, F5 Big-IP LTM load balancers,
Checkpoint R65 Firewalls (Nokia IPSO), VLANs with VTP, and load-balanced ISP connectivity.
• F5 Big-IP LTM 3400 and 1500 load balancer design and configuration including upgrades to
TMOS version 9.4, nodes, members, virtual servers and server pools, NAT, SNATs, and iRules.
• Cisco PIX 6.35 configuration including access-lists and multiple site-to-site VPNs.
• Repair WAN communications, firewall holes, and break-fix for trouble tickets.
• Checkpoint Connectra R62CM SSL VPN with embedded Native applications and RADIUS.
• Cisco 6506 CatOS L2 configuration (VLANs, Etherchannel) and troubleshooting; replacement of
Supervisor card and power supplies, and upgrade to Native IOS.
• Network troubleshooting and traffic optimization with tools such as TCPdump, Sniffers
(Ethereal/Wireshark), Cacti (SNMP), and Kiwi Syslog Daemon (firewall logging).
02/07 – 02/08
RedPrairie Corporation (now JDA)
Senior Infrastructure Engineer purchased
• Designed two new data centers with 99.999% uptime, dual Cisco 6509s (Sup 720), HSRP/VRRP,
OSPF routing with Virtual Links, F5 Big-IP Server Farms, and ASA 5500 series Firewalls.
• Design and installation of Load Balancing solution with F5 BIG-IP Local Traffic Management
(LTM), with Web and Application Servers, iRules for code enhancement, and SSL offloading.
• Maintenance of legacy data centers with F5 1500 Load Balancers (130 server farms), and HSRP.
• Responsible for Radware Linkproof ISP Global Load Balancer design and administration.
• Site-to-Site VPN connectivity provided with Cisco PIX (6.3) and ASA (7.2) firewalls using the
CLI or ASDM, in Active/Passive failover mode with NAT and/or PAT, IPSec.
• Troubleshooting of various Cisco switches and routers (1800, 2800, 2960, 3750, 4509, 6509).
• VMware ESX Server installations and administration with VirtualCenter Client 3.x.
• F5 BIG-IP 3400 OS upgrades, setup of VIP listeners (virtual servers), virtual forwarding servers,
profile optimization, traffic analysis with TCPDUMP, and training of system administrators.
11/06 – 02/07
Cingular Wireless
NSD Implementation Engineer (Contract) defunct
• F5 LTM Load Balancer configuration exports and network design planning with Visio.
• Routing protocol configuration including BGP peering sessions and OSPF troubleshooting.
03/05 – 07/06
Solving Systems
Network Engineer (Contract) defunct
• Cisco 3845, 4510, 6509, 7500, 7600; Juniper J2300, M-series, EIGRP, OSPF, BGP.
• Cisco PIX and ASA (Adaptive Security Appliance) VPN configuration with IPSec encryption
(3DES, MD5, SHA) using command-line (PIX) and/or ASDM client.
• Checkpoint firewall-1 v4.1 administration and conversion to Watchguard Firebox SSL gateway.
• T1-T3 circuit and BERT testing, DSLAM configuration, and liaison with ILEC and IXC carriers
for local ISP.
12/03 – 01/05
Ricoh Corporation
Network Security Engineer West Caldwell, NJ
• UNIX (Solaris and Linux) support including general file maintenance and networking support.
• Check Point Firewall NGAI configuration, NAT, DMZ, and monitoring with Smartview Tracker.
• SNMP/RMON probe monitoring and management with HP Openview, SolarWinds and MRTG.
• VPN configuration using Cisco 3000 Concentrator, SSL certificates and/or IPsec VPNs.
• Troubleshooting T-1 lines, various routers, ISDN PRI racks, D-4 channel banks, and CSU/DSUs.
• Configuration of Cisco routers (IOS 11/12.x), access servers, and Catalyst switches with HSRP.
• AAA, SSL/IPsec VPN, PKI, RADIUS, TACACS+, EAP, PEAP, CHAP, MS-CHAP.
• Cisco PIX Firewall configuration (PIX v.4.x); VPNs, DMZ, rules, access lists and failover.
• SNMP agents between RDC’s of BellSouth’s OSI Platform (BOSIP) with HP Openview.
• Cisco 3845, 4510, 6509, 7500, 7600; Juniper J2300, M-series, EIGRP, OSPF, BGP.
• AAA, SSL/IPsec VPN, PKI, RADIUS, TACACS+, EAP, EAP-Fast, PEAP, CHAP, MS-CHAP),
authentication, Cisco 7609 and Juniper M320 configuration with line and/or PIC card installation.
• T1-T3 BERT testing, DSLAM configuration, and liaison with ILEC and IXC carriers (for
ISP).
EDUCATION:
• Naval Aviation Technical Training Center, Memphis, TN
(NATTC-AS Equivalent)
Navigational Computer Systems, AM/FM Radios, and Electronics
• College (1988-1990):
Chaminade University, Aeia, Hi
Computer Science major
• ACTS (BellSouth Training-1991-1994)
Interexchange Carrier Technologies (IXC), T-carrier analysis, ATM, and frame-relay
• Wave Technologies (1992):
Windows NT 4.0 Server Administration
• ACREW Network Security 2008 (CISSP)
EDUCATION:
• Naval Aviation Technical Training Center, Memphis, TN
(NATTC-AS Equivalent)
Navigational Computer Systems, AM/FM Radios, and Electronics
• College (1988-1990):
Chaminade University, Aeia, Hi
Computer Science major
• ACTS (BellSouth Training-1991-1994)
Interexchange Carrier Technologies (IXC), T-carrier analysis, ATM, and frame-relay
• Wave Technologies (1992):
Windows NT 4.0 Server Administration
• ACREW Network Security 2008 (CISSP)

More Related Content

What's hot (20)

Muhammad_A_Hassan_Resume_rev-2
Muhammad_A_Hassan_Resume_rev-2Muhammad_A_Hassan_Resume_rev-2
Muhammad_A_Hassan_Resume_rev-2
 
9 27 16 resume
9 27 16 resume9 27 16 resume
9 27 16 resume
 
ASHISH SENGAR.doc
ASHISH SENGAR.docASHISH SENGAR.doc
ASHISH SENGAR.doc
 
Resume09142016
Resume09142016Resume09142016
Resume09142016
 
shahid Khan
shahid Khanshahid Khan
shahid Khan
 
Mohammad Bannob Resume
Mohammad Bannob ResumeMohammad Bannob Resume
Mohammad Bannob Resume
 
Mandu CV Net DOD_ 08 2016 doc
Mandu CV Net DOD_ 08 2016 doc Mandu CV Net DOD_ 08 2016 doc
Mandu CV Net DOD_ 08 2016 doc
 
Kelly Howard Resume_10_2015
Kelly Howard Resume_10_2015Kelly Howard Resume_10_2015
Kelly Howard Resume_10_2015
 
GaryVanGuelpenResume-20161202
GaryVanGuelpenResume-20161202GaryVanGuelpenResume-20161202
GaryVanGuelpenResume-20161202
 
updated cvmn
updated cvmnupdated cvmn
updated cvmn
 
Cv michael flaviano 2017 - Telecommunication Engineer
Cv michael flaviano 2017 - Telecommunication EngineerCv michael flaviano 2017 - Telecommunication Engineer
Cv michael flaviano 2017 - Telecommunication Engineer
 
Darsh Dharamdeo- Linkedin
Darsh Dharamdeo- LinkedinDarsh Dharamdeo- Linkedin
Darsh Dharamdeo- Linkedin
 
MidWest Res 17
MidWest Res 17MidWest Res 17
MidWest Res 17
 
amandio resume_11 12 16
amandio resume_11 12 16amandio resume_11 12 16
amandio resume_11 12 16
 
CV_25102016-1
CV_25102016-1CV_25102016-1
CV_25102016-1
 
Avinash R
Avinash RAvinash R
Avinash R
 
tahir.resume
tahir.resumetahir.resume
tahir.resume
 
Resume-Walter Hammack
Resume-Walter HammackResume-Walter Hammack
Resume-Walter Hammack
 
Murari kumar
Murari kumarMurari kumar
Murari kumar
 
PrasadResume
PrasadResumePrasadResume
PrasadResume
 

Viewers also liked

5299 Route 44 Park Ridge, IL 60068-7
5299 Route 44 Park Ridge, IL 60068-75299 Route 44 Park Ridge, IL 60068-7
5299 Route 44 Park Ridge, IL 60068-7Rachael Newman
 
Resume Tim McLatchy
Resume Tim McLatchyResume Tim McLatchy
Resume Tim McLatchyTim McLatchy
 
Resume _ Chia-Wei Hsu (Chuck)
Resume _ Chia-Wei Hsu (Chuck)Resume _ Chia-Wei Hsu (Chuck)
Resume _ Chia-Wei Hsu (Chuck)Chia-Wei Hsu
 
Simon Chen Resume 07252016
Simon Chen Resume 07252016Simon Chen Resume 07252016
Simon Chen Resume 07252016Simon Chen
 
Somnath_Kundu_6Yrs_Resume
Somnath_Kundu_6Yrs_ResumeSomnath_Kundu_6Yrs_Resume
Somnath_Kundu_6Yrs_ResumeSomnath Kundu
 

Viewers also liked (6)

5299 Route 44 Park Ridge, IL 60068-7
5299 Route 44 Park Ridge, IL 60068-75299 Route 44 Park Ridge, IL 60068-7
5299 Route 44 Park Ridge, IL 60068-7
 
Resume Tim McLatchy
Resume Tim McLatchyResume Tim McLatchy
Resume Tim McLatchy
 
Resume _ Chia-Wei Hsu (Chuck)
Resume _ Chia-Wei Hsu (Chuck)Resume _ Chia-Wei Hsu (Chuck)
Resume _ Chia-Wei Hsu (Chuck)
 
Simon Chen Resume 07252016
Simon Chen Resume 07252016Simon Chen Resume 07252016
Simon Chen Resume 07252016
 
WHenryResume.docx
WHenryResume.docxWHenryResume.docx
WHenryResume.docx
 
Somnath_Kundu_6Yrs_Resume
Somnath_Kundu_6Yrs_ResumeSomnath_Kundu_6Yrs_Resume
Somnath_Kundu_6Yrs_Resume
 

Similar to Stephen Henig

Yat (Calvin) Chow Resume - Oct 28 2016
Yat (Calvin) Chow Resume - Oct 28 2016Yat (Calvin) Chow Resume - Oct 28 2016
Yat (Calvin) Chow Resume - Oct 28 2016Calvin Chow
 
Jithesh_Sr Network Engineer
Jithesh_Sr Network EngineerJithesh_Sr Network Engineer
Jithesh_Sr Network EngineerJithesh reddy
 
Hemant Kumar
Hemant KumarHemant Kumar
Hemant Kumarhemu121
 
Malik it eng 7 years 1
Malik it eng 7 years 1Malik it eng 7 years 1
Malik it eng 7 years 1Abdul Malik
 
Bullock Grant7o_Resume Redo v17_01 09 2017
Bullock Grant7o_Resume Redo v17_01 09 2017Bullock Grant7o_Resume Redo v17_01 09 2017
Bullock Grant7o_Resume Redo v17_01 09 2017Grant W Bullock, CCNA
 
VMworld 2013: Designing Network Virtualization for Data-Centers: Greenfield D...
VMworld 2013: Designing Network Virtualization for Data-Centers: Greenfield D...VMworld 2013: Designing Network Virtualization for Data-Centers: Greenfield D...
VMworld 2013: Designing Network Virtualization for Data-Centers: Greenfield D...VMworld
 
Cisco Prime for IP NGN
Cisco Prime for IP NGNCisco Prime for IP NGN
Cisco Prime for IP NGNCisco Canada
 
PLNOG16: Automatyzacja kreaowania usług operatorskich w separacji od rodzaju ...
PLNOG16: Automatyzacja kreaowania usług operatorskich w separacji od rodzaju ...PLNOG16: Automatyzacja kreaowania usług operatorskich w separacji od rodzaju ...
PLNOG16: Automatyzacja kreaowania usług operatorskich w separacji od rodzaju ...PROIDEA
 
Mohamed Malik Resume PC-LAN PR1 -f
Mohamed Malik Resume PC-LAN PR1 -fMohamed Malik Resume PC-LAN PR1 -f
Mohamed Malik Resume PC-LAN PR1 -fmimo1000
 
Slideshare linked in
Slideshare linked inSlideshare linked in
Slideshare linked inJustin Parker
 
Malik it eng 7 years exp
Malik it eng 7 years expMalik it eng 7 years exp
Malik it eng 7 years expAbdul Malik
 
Richard Wang of resume
Richard Wang of resumeRichard Wang of resume
Richard Wang of resumeRichard Wang
 
Resume for Network Engineer, Network Security, IT Management L2 / L3
Resume for Network Engineer, Network Security,  IT Management L2 / L3 Resume for Network Engineer, Network Security,  IT Management L2 / L3
Resume for Network Engineer, Network Security, IT Management L2 / L3 Deepak Kumar
 

Similar to Stephen Henig (20)

Resume
ResumeResume
Resume
 
Yat (Calvin) Chow Resume - Oct 28 2016
Yat (Calvin) Chow Resume - Oct 28 2016Yat (Calvin) Chow Resume - Oct 28 2016
Yat (Calvin) Chow Resume - Oct 28 2016
 
Jithesh_Sr Network Engineer
Jithesh_Sr Network EngineerJithesh_Sr Network Engineer
Jithesh_Sr Network Engineer
 
Hemant Kumar
Hemant KumarHemant Kumar
Hemant Kumar
 
Malik it eng 7 years 1
Malik it eng 7 years 1Malik it eng 7 years 1
Malik it eng 7 years 1
 
Bullock Grant7o_Resume Redo v17_01 09 2017
Bullock Grant7o_Resume Redo v17_01 09 2017Bullock Grant7o_Resume Redo v17_01 09 2017
Bullock Grant7o_Resume Redo v17_01 09 2017
 
VMworld 2013: Designing Network Virtualization for Data-Centers: Greenfield D...
VMworld 2013: Designing Network Virtualization for Data-Centers: Greenfield D...VMworld 2013: Designing Network Virtualization for Data-Centers: Greenfield D...
VMworld 2013: Designing Network Virtualization for Data-Centers: Greenfield D...
 
Cisco Prime for IP NGN
Cisco Prime for IP NGNCisco Prime for IP NGN
Cisco Prime for IP NGN
 
CCNA Syllabus
CCNA SyllabusCCNA Syllabus
CCNA Syllabus
 
PLNOG16: Automatyzacja kreaowania usług operatorskich w separacji od rodzaju ...
PLNOG16: Automatyzacja kreaowania usług operatorskich w separacji od rodzaju ...PLNOG16: Automatyzacja kreaowania usług operatorskich w separacji od rodzaju ...
PLNOG16: Automatyzacja kreaowania usług operatorskich w separacji od rodzaju ...
 
Mohamed Malik Resume PC-LAN PR1 -f
Mohamed Malik Resume PC-LAN PR1 -fMohamed Malik Resume PC-LAN PR1 -f
Mohamed Malik Resume PC-LAN PR1 -f
 
Krishna kumar-NETWORK ENGINEER
Krishna kumar-NETWORK ENGINEERKrishna kumar-NETWORK ENGINEER
Krishna kumar-NETWORK ENGINEER
 
resumeLF_201503
resumeLF_201503resumeLF_201503
resumeLF_201503
 
Ron.glenn
Ron.glennRon.glenn
Ron.glenn
 
Resume
ResumeResume
Resume
 
Slideshare linked in
Slideshare linked inSlideshare linked in
Slideshare linked in
 
Malik it eng 7 years exp
Malik it eng 7 years expMalik it eng 7 years exp
Malik it eng 7 years exp
 
Richard Wang of resume
Richard Wang of resumeRichard Wang of resume
Richard Wang of resume
 
Nagabhushana Rao P
Nagabhushana Rao PNagabhushana Rao P
Nagabhushana Rao P
 
Resume for Network Engineer, Network Security, IT Management L2 / L3
Resume for Network Engineer, Network Security,  IT Management L2 / L3 Resume for Network Engineer, Network Security,  IT Management L2 / L3
Resume for Network Engineer, Network Security, IT Management L2 / L3
 

Stephen Henig

  • 1. Stephen Henig 43 Lake Avenue, Staten Island, NY 30303 1467 Holly Bank Circle, Dunwoody, GA 30338 StephenHenig@Hotmail.com 718-536-0153 Summary: • Troubleshooting of firewalls safely, (Cisco ASA, CP), and VPN tunneling with IPSEC or SSL. • Infrastructure ingress and egress points; firewall, switch, and VLAN management (Dot1Q). • Bandwidth utilization and connection testing with Wireshark, TCPDUMP, and SNMP tools. • F5 LTM load balancing expertise, and data center design architecture proficiency. • DNS troubleshooting with UNIX CLI, Linux, or Windows based utilities (nslookup, NMAP). • Experience in configuration of esoteric applications/protocols for IT Security. • Designing TCP/IP networks with Visio and documentation of security policies (Remedy, AOTS). • Experience with of IPSec and SSL VPNs, terminated on various endpoints (CP FW-1, ASA, F5). Technical Platforms: • Primary: Cisco routers and switches; F5 Big-IP LTM; Cisco PIX/ASA and Checkpoint Firewalls; IPSec and SSL VPNs; OSPF, EIGRP, and BGP routing protocols; SNMP monitoring; Frame- Relay, ATM, MPLS; and trouble tracking with Ethereal/Wireshark sniffers. • Secondary: Juniper SRX firewalls, UNIX/Linux admin, Solaris, Windows 2003/2008 Servers, DNS, VMware Server and Virtual Center Infrastructure. CERTIFICATIONS: • CCNA [Cisco Certified Network Associate] (5 times) • CISSP [Certified Information Systems Security Professional] • JNCIA [Juniper Networks Certified Internetwork Associate] • Microsoft Certified Professional (MCP) EXPERIENCE: 02/14-07/16 Solving Systems Network Engineer New York NY/Atlanta, GA • Network design and architecture implementation, with guaranteed security, from hardware installation through firewall rulebase recommendations, and Visio design/documentation. • F5 support and administration with LTM 11.5 configuration utility or the TMSH CLI. • F5 LTM 11.x installation inclusive with members, nodes, pools, and configsync. • IP support for larger subnetting project (heavy CIDR use) with / notation used for supernetting. • F5 LTM 10.x updating attack signatures through UCS files, and editing of iRules with TCL. • DNS resolution and troubleshooting route caches at work stations and network equipment. • Linux support, SNMP monitoring (Solarwinds), and analysis of WAN links from workstations. • Internet domain name service (DNS) connectivity and name cache testing for various locations. • Configuration of Etherchannels and additions of ports to VLAN configuration. • Orion Solarwinds Network Performance Monitor and results assured SNMP alerting. • Network Instruments Observer or HP OpenView for notification of aberrant traffic behavior. • Setting alarm thresholds locally and monitoring of connections across the WAN (QoS status). • Security administration with the F5 LTM v. 11.3 software platform (ASM exposure). • Checkpoint Firewall R75.40 monitoring and rulebase configuration with Smartdashboard. • PCI data security standards auditing for easy compliance with government standards. • Monitoring of BMC Remedy for your new customer communications (remote via IPSec VPN).
  • 2. • Troubleshooting (Visio) infrastructure with Wireshark, TCPDUMP, and other sniffer tools. 07/13-10/13 Thomson Reuters Infrastructure Support Analyst (Contract) New York, NY • Data Center move support verifying server pool connectivity for globally accessible services. • Server building with focus on ticker financials, X file structure, and financial software. • Monitoring of Thomson ONE workstations, data recording, and Remedy trouble ticket monitoring, DNS troubleshooting, and remediation of gapping in ticker reception. 01/11-6/13 Just Repairs Network Infrastructure Engineer Atlanta, GA/New York, NY • F5 (LTM) troubleshooting of server pools, IPSec or SSL profiles, end point load balancing, point- to-point connectivity, and IPSec certificate offloading. • F5 LTM traffic monitoring, logging, farm load balancing, auditing, and accounting/reporting. • F5 V. 10.x TMOS updates, iRule creation, and administration via CLI or GUI. • Running of F5 LTM 10.x qkview, and configuration files transferred for F5 Engineering support. • Provided information to the engaged parties addressing compliance standards, management reports, and other KPIs. • Use of Solarwinds IP monitor for a visual display of port usage and to regulate IP address usage. • Assisted the Process Owners in identifying and prioritizing process improvements. • Facilitated Senior Management meetings for Major RFC reviews and/or endorsements • Formulated test plans for “Proof of Concepts”; created Visio designs and architecture. • VLAN configuration and coordination with disparate stake-holder groups for project controls. • Troubleshooting of IPSEC/SSL VPNs, terminated on Checkpoint Firewall-1 or Cisco ASA. • Troubleshooting switches, routers, and servers in the data center, with EIGRP dynamic routing, remediation of SIA errors, VLANs, F5 member speed/duplex verification, and OSPF routing. • Design and configuration of data center hardware, including VMware Player, application per- VLAN configuration, subnetting, and server placement. • Monitoring of cryptographic applications, URL filtering, alerting, Syslogs, and logging. • Cisco ASA firewall administration ASDM utility, and NAT of secure application servers. • Cisco PIX rule cleanup, verifying ACL usage, replacing hardware with ASA 5505/5510 firewalls. • Cisco 2600/2800, and 7200 router configuration including static and OSPF dynamic routing. • Layer VLAN connectivity for LAN running Cisco 6500 IOS platform switches. • Configuration of esoteric security applications for IT Security (AAA, SSL, PKI, RADIUS, TACACS+, EAP, EAP-Fast, PEAP, LEAP, CHAP, MS-CHAP) and authentication. • Troubleshooting and isolation of connectivity issues and application communication, working across load-balanced server pools (F5) with disparate back-end servers on isolated subnets. • UNIX system administration, including various CLI tools, and file manipulation (cat, vi, grep, passwd, kill, mv, mkdir, rmdir, chmod). • Prepared DLP policies, managed workflows, performed remediation of vulnerabilities reported or projected, and running of reports and administration from the management console. • Checkpoint Firewall-1 R70/R75.40 enforcement point installation (Secureplatform (SPLAT)). • Checkpoint Firewall-1 R65 user administration, and site-to-multi-site SSL VPN configuration. • Configuration of routers with OSPF router IDs and associated configuration (single area, occasionally with virtual links), interface IPs, and port/VLAN assignments. 06/10-08/10 (unexpected hospitalization, Northside Hospital, do to auto accident at this time) AT&T Network Engineer (Contract) Oakton, VA
  • 3. • F-5 Big-IP LTM load balancer configuration with emphasis on WAN traffic control and balance. • Maintained LTM (F5 Local Traffic Manager) for load-balancing multiple server pools. • Verification of firewall rules, and administration of Checkpoint Firewall-1, and the AOTS. • Maintained a LAN/WAN Data Center Infrastructure supporting MPLS connectivity and SNMP. 12/09 – 03/10 Quality Technology Services Senior WAN Engineer (Contract) Suwannee, GA • Data center connectivity with Cisco 6500 switches (Sup720) and 7600-S series routers (RSP720), and configuration of BGP attributes for WAN connectivity (routing with EIGRP or OSPF). • UNIX (SunOS/Solaris) administration and troubleshooting for end-users across the enterprise. • Multi-homed BGP inbound and outbound policy configuration including route-maps, as-path access-lists, filter-lists, as path prepending, and associated troubleshooting. • Backbone network redesign planning, documentation, ISP selection and screening for MPLS/VPLS solution replacement supporting VoIP and jumbo frames with burst capability. • Firewall administration (Cisco ASA, and NetScreen) for managed services). 01/09 – 11/09 AT&T IP Security and Network Engineer (Contract) Oakton, VA • Cisco (6513, 7609) and Juniper (M320) router configuration including load-balancing, route- maps, ACLs, OSPF single area configurations, call-flow troubleshooting, and BGP routing. • Data center connectivity and end-to-end troubleshooting of server and workstations. • Installation of VMware ESX server software and configuration of VLAN infrastructure. • Cisco IOS scripting, VPN fast re-route operations, and change management documentation. • Firewall ruleset changes to permit communication through ISP, direct connect, or VPN (AVPN). • Cisco ASA 5500 firewall administration for site-to-site VPN customers (multiple contexts). • Cisco CSS 11000 administration for [HTTP] web portal load-balancing operations. 02/08 – 11/08 ConsumerSource Interactive (Rentpath) Network Engineer (Contract) Norcross, GA • Data center redesign of including Cisco 6509 and 2960 switches, F5 Big-IP LTM load balancers, Checkpoint R65 Firewalls (Nokia IPSO), VLANs with VTP, and load-balanced ISP connectivity. • F5 Big-IP LTM 3400 and 1500 load balancer design and configuration including upgrades to TMOS version 9.4, nodes, members, virtual servers and server pools, NAT, SNATs, and iRules. • Cisco PIX 6.35 configuration including access-lists and multiple site-to-site VPNs. • Repair WAN communications, firewall holes, and break-fix for trouble tickets. • Checkpoint Connectra R62CM SSL VPN with embedded Native applications and RADIUS. • Cisco 6506 CatOS L2 configuration (VLANs, Etherchannel) and troubleshooting; replacement of Supervisor card and power supplies, and upgrade to Native IOS. • Network troubleshooting and traffic optimization with tools such as TCPdump, Sniffers (Ethereal/Wireshark), Cacti (SNMP), and Kiwi Syslog Daemon (firewall logging). 02/07 – 02/08 RedPrairie Corporation (now JDA) Senior Infrastructure Engineer purchased • Designed two new data centers with 99.999% uptime, dual Cisco 6509s (Sup 720), HSRP/VRRP, OSPF routing with Virtual Links, F5 Big-IP Server Farms, and ASA 5500 series Firewalls.
  • 4. • Design and installation of Load Balancing solution with F5 BIG-IP Local Traffic Management (LTM), with Web and Application Servers, iRules for code enhancement, and SSL offloading. • Maintenance of legacy data centers with F5 1500 Load Balancers (130 server farms), and HSRP. • Responsible for Radware Linkproof ISP Global Load Balancer design and administration. • Site-to-Site VPN connectivity provided with Cisco PIX (6.3) and ASA (7.2) firewalls using the CLI or ASDM, in Active/Passive failover mode with NAT and/or PAT, IPSec. • Troubleshooting of various Cisco switches and routers (1800, 2800, 2960, 3750, 4509, 6509). • VMware ESX Server installations and administration with VirtualCenter Client 3.x. • F5 BIG-IP 3400 OS upgrades, setup of VIP listeners (virtual servers), virtual forwarding servers, profile optimization, traffic analysis with TCPDUMP, and training of system administrators. 11/06 – 02/07 Cingular Wireless NSD Implementation Engineer (Contract) defunct • F5 LTM Load Balancer configuration exports and network design planning with Visio. • Routing protocol configuration including BGP peering sessions and OSPF troubleshooting. 03/05 – 07/06 Solving Systems Network Engineer (Contract) defunct • Cisco 3845, 4510, 6509, 7500, 7600; Juniper J2300, M-series, EIGRP, OSPF, BGP. • Cisco PIX and ASA (Adaptive Security Appliance) VPN configuration with IPSec encryption (3DES, MD5, SHA) using command-line (PIX) and/or ASDM client. • Checkpoint firewall-1 v4.1 administration and conversion to Watchguard Firebox SSL gateway. • T1-T3 circuit and BERT testing, DSLAM configuration, and liaison with ILEC and IXC carriers for local ISP. 12/03 – 01/05 Ricoh Corporation Network Security Engineer West Caldwell, NJ • UNIX (Solaris and Linux) support including general file maintenance and networking support. • Check Point Firewall NGAI configuration, NAT, DMZ, and monitoring with Smartview Tracker. • SNMP/RMON probe monitoring and management with HP Openview, SolarWinds and MRTG. • VPN configuration using Cisco 3000 Concentrator, SSL certificates and/or IPsec VPNs. • Troubleshooting T-1 lines, various routers, ISDN PRI racks, D-4 channel banks, and CSU/DSUs. • Configuration of Cisco routers (IOS 11/12.x), access servers, and Catalyst switches with HSRP. • AAA, SSL/IPsec VPN, PKI, RADIUS, TACACS+, EAP, PEAP, CHAP, MS-CHAP. • Cisco PIX Firewall configuration (PIX v.4.x); VPNs, DMZ, rules, access lists and failover. • SNMP agents between RDC’s of BellSouth’s OSI Platform (BOSIP) with HP Openview. • Cisco 3845, 4510, 6509, 7500, 7600; Juniper J2300, M-series, EIGRP, OSPF, BGP. • AAA, SSL/IPsec VPN, PKI, RADIUS, TACACS+, EAP, EAP-Fast, PEAP, CHAP, MS-CHAP), authentication, Cisco 7609 and Juniper M320 configuration with line and/or PIC card installation. • T1-T3 BERT testing, DSLAM configuration, and liaison with ILEC and IXC carriers (for ISP).
  • 5. EDUCATION: • Naval Aviation Technical Training Center, Memphis, TN (NATTC-AS Equivalent) Navigational Computer Systems, AM/FM Radios, and Electronics • College (1988-1990): Chaminade University, Aeia, Hi Computer Science major • ACTS (BellSouth Training-1991-1994) Interexchange Carrier Technologies (IXC), T-carrier analysis, ATM, and frame-relay • Wave Technologies (1992): Windows NT 4.0 Server Administration • ACREW Network Security 2008 (CISSP)
  • 6. EDUCATION: • Naval Aviation Technical Training Center, Memphis, TN (NATTC-AS Equivalent) Navigational Computer Systems, AM/FM Radios, and Electronics • College (1988-1990): Chaminade University, Aeia, Hi Computer Science major • ACTS (BellSouth Training-1991-1994) Interexchange Carrier Technologies (IXC), T-carrier analysis, ATM, and frame-relay • Wave Technologies (1992): Windows NT 4.0 Server Administration • ACREW Network Security 2008 (CISSP)