This document contains a summary of a networking professional with over 5 years of experience in networking operations and system administration. The professional is currently a senior network engineer at CSS Corp. Pvt. Ltd. in Chennai. Key skills and experience include Cisco and Juniper certifications, networking administration, troubleshooting, VPN configuration, and network security. Location preferences include Bangalore, Kerala, and Gulf regions.

1. Result-oriented professional targeting assignments in Networking Operations with an organisation of
high repute in IT industry
Location Preference: Bangalore, Kerala & Gulf Regions
ǁ ProfileSummary ǁǁǁǁǁǁ
 Cisco Certified Internetwork Expert Security professional with over 5.5 years of experience in Networking
Operations & System Administration
 Currently associated with CSS Corp. Pvt. Ltd., Chennai as a Senior Network Engineer
 Accomplished at network infrastructure LAN/WAN, migration & configuration of network client workstations
 Skilled in extending high-end technical support on various servers and ensuring high satisfaction levels through
prompt redressal of their problems
 In-depth knowledge in analysing information system needs, evaluating end-user requirements, custom designing
solutions, troubleshooting for complex information systems management
 Possess honed communication, analytical & coordination skills and an aptitude for learning new technologies
ǁ CoreCompetencies ǁǁǁǁǁǁ
~Network Administration ~Troubleshooting ~IT Network
~Network Uptime ~Virtual Private Network (VPN) ~Installation & Configuration
ǁ Organizational Experience ǁǁǁǁǁǁ
Oct’15-till date with CSS Corp. Pvt. Ltd., Chennai as Senior Network Engineer
(Product- Juniper SRX & Juniper Netscreen)
Apr’11 - Sep’15 with QRM Technology. Pvt. Ltd., Bangalore as Network Engineer
KEY RESULT AREAS:
 Installing, configuring & maintaining network equipment & devices; implementing structured cabling, routers & switches
 Assigning IP addresses on interfaces based on default, sub & super netting scheme
 Troubleshooting problems pertaining to the system performance, network administration, application conflicts and
system bugs
 Managing activities related to service pack up-gradation, patches and installation
 Addressing queries regarding the information system / software & extending onsite support to including maintenance
of hardware support
 Evaluating network performance and ensuring its maximum availability & reliability employing oversight with respect
to network security for timely situational incident analysis & remediation
 Providing support for link up-gradation and maintaining minimum bandwidth for various applications
 Maintaining WAN and IPsec VPN connectivity
 Performing route filtering and route manipulation by applying distribute-lists, route-maps & offset lists respectively
 Facilitating network connectivity for externally hosted services using Virtual Private Network (VPN) tunnels which
allows a secure & reliable way to access internal Lightweight Directory Access Protocol (LDAP) and backup services
 Monitoring network performance using various network tools to ensure the availability, integrity & confidentiality of
application & equipment by providing support for Cisco network infrastructure
HIGHLIGHTS:
 Configured, installed & troubleshot various network devices and services such as routers, switches, firewalls, wireless,
SSL VPN, IDS/IPS, Syslog, VOIP
 Conducted systems analysis on Active Directory, Exchange & SharePoint Systems in a virtual environment along with
warranty work, troubleshooting and emergency repairs which minimized end-user impact and downtime by 95%
 Integrated Postini anti-spam services into company’s mail infrastructure, which dramatically decreased the number of
spam mails
ǁ Industrial Project ǁǁǁǁǁǁ
Title: Juniper TAC (Technical Assistance center)
Period: Oct’15-Oct’16
Organization: CSS Corp. Pvt. Ltd.
Designation: Senior Network Engineer
 Troubleshooting customer issue, providing them workarounds and recommending best practices the below areas of
technology supported by SRX firewall
 Managing packet flow through the device and to the device as well as NAT & PAT (destination, source and static)
ARUN J.
P h on e : +91-8152955880
E -M a il : arunj170891@ gm ai l . c o m

2.  Routing protocols (OSPF and static), performing Virtual Routing Instances & Filter Base Forwarding
 Monitoring firewall administration (LDAP and active directory) including transparent mode, network security,
intrusion detection and virus protection such as UTM (Unified Threat Management), Anti-virus, Anti-spam & web
filtering on the devices
 Managing security zone, security policy for traffic flow in addition to chassis cluster(high availability)
 Implementing route and policy based VPN (IPsec site-to-site), dynamic VPN and hub-and-spoke VPN
 Executing device management including password recovery, upgrade software & hardware and license on SRX
Period: April’11-Sep’15
Organization: Xybo3 IT Solution
Designation: Network Engineer
Role:
 Analysed customer's technical requirements and map those to a technical solution
 Implemented & Engineered LAN/WAN networks using variety of hardware & software
 Secured network devices by disabling unwanted services, access restriction of networks, logging and configuring
secure access by using TACACS+ servers
 Configured the Cisco ASA 5505, 5512-X and 5515-X Checkpoint 600,700 and 1100 Security Appliance, Cisco IPS 4235,
Cisco 2811 Routers, Cisco Switch 4948 & Cisco 2960 switches in real time environment
 Trusted advisor capable of building, long-term relationships with customers
 Managed administration of Router, Switch, IPS, ASA, ACS Server, network topologies including design of network
layouts, configuration & maintenance of servers in the client location
 Troubleshot & configured Access Control Lists (ACL)
 Monitored & solved the technical issues escalated by the client offices
 Maintained & updated logs on any operational or support failures and documentation
ǁ Certification ǁǁǁǁǁǁ
• CCIE Security from Cisco (CCIE #48847) in 2015
ǁ Technical Skills ǁǁǁǁǁǁ
Hardware:
Router: Cisco- 1800 and 2900 Series Routers, Cisco 3600 Series Routers
Switches : Cisco 3560, 3550, 2900 series
Firewall :Juniper (SRX): SRX100, SRX110, SRX200 series, SRX300 series,
SRX500 series and SRX650
Juniper (NetScreen) - SSG5, SSG20, SSG140, ISG 1000, ISG 2000
TCP/IP Protocols: TCP/IP & OSI Model, ARP, IPv4, ICMP, UDP, TCP Protocols
Service Protocols: FTP, DHCP, DNS, TFTP, HTTP and SIP
AAA Protocols: RADIUS, TACACS+ and Kerberos
Routing: Static Routing, RIP, EIGRP, OSPF, Policy Based Routing PBR, NAT, HSRP, VRRP,
GLBP, NTP, IP SLA, Route Filtering, Redistribution, Summarization
Switching: STP, RSTP, MSTP, VTP, DTP, VLANs, Ether Channels, Port Security.
Firewall: Router & Transparent Firewall, Security Context, Failover, NAT
VPN: IPsec Site 2 Site (Route based and Policy based) VPN, IKEv1 and IKEv2, SSL VPN
ǁ AcademicDetails ǁǁǁǁǁǁ
 B.Tech. in Electronics & Communication from Calicut University in 2013
 12th from Brahmanandodayam Higher Secondary School, Kalady, Kerala (Board of Higher Secondary Education
Kerala) in 2009
 10th from Holy Child Convent Higher Secondary School, Thrissur, Kerala (SSLC Public Board of Examination) in 2007
ǁ Personal Details ǁǁǁǁǁǁ
Date of Birth: 17th August 1991
Languages Known: Hindi, English, and Malayalam
Address: Ashirwad, Kizhakepurath House, P.O. – Karukutty, District- Ernakulam- 683576, Kerala
Passport Details: Z3033436 (Issued at Cochin. Valid up to 09/02/2025)
Driving License Details: 47/2606/2012 (Issued at Kodungallur, Valid up to 11/06/2032)
Skype ID: arunj08