1. P S C 8 2 2 B O X 1 3 9 2 F P O , A E 0 9 6 2 1 - 0 0 1 4
P H O N E 9 0 4 - 2 4 0 - 4 7 6 3 C E L L + 3 9 3 4 8 - 9 7 7 - 8 9 7 0 • E - M A I L A R N A L D O _ C A S T R O _ 6 9 @ Y A H O O . C O M
A R N A L D O R . C A S T R O - V A R G A S
PROFESSIONAL EXPERIENCE
2013 – 2015 Naval Computer and Telecommunications Station Naples, IT
Watch Supervisor/ Assistant Urinalysis Coordinator/ Motorcycle Coordinator
 Administered, maintain and configured computer software related to:
Windows Server 2003, Exchange Server 2003, Windows XP, HBSS 4.5,
Microsoft SQL 2003, IIS, Share/NTFS permissions.
 Conducted software installation, upgrades, and patches on all servers
and workstations on the Europe ONE-Net Network.
 Worked on complex problems and interacted with outside customers
and functional peer groups on a daily basis.
 Responsible for providing phone support to customers for IT related
issues, and resolving Windows desktop problems; including applications,
email and directories, utilizing Active Directory admin procedures,
Remote Desktop Assistance, and providing step-by-step assistance to
remote users. Responsible for entering tickets into the Remedy trouble
ticket system, and resolving printer problems and installations.
 Led a team of Information System Technicians through 2 successful
Network Vulnerability Assessments.
2008 – 2013 USS Taylor (FFG-50) Mayport, FL
Communication Watch Officer/ Leading Petty Officer/ Information System
Manager/ Web Manager
 Conducted software installation, upgrades, and patches on naval ships.
 Administered and maintained Active Directory, Microsoft Exchange,
DNS, DHCP, and Group Policies on networks running Windows Server
2003, with Windows XP workstations.
 Maintained and configured computer hardware (servers, storage, routers,
firewalls) related to: Windows Server 2003, Exchange Server 2003,
Windows XP, HBSS 3.0, Microsoft SQL 2003, IIS, Share/NTFS
permissions.
 Reviewed Information Assurance Vulnerability Alerts (IAVAs),
Information Assurance Vulnerability Bulletins (IAVABs) and other
identified security vulnerabilities in the unclassified and classified
environments.
 Ensured the security network assets utilizing Retina.
 Oversaw the planning, development, implementation, operation,
tracking and documentation of patch management, patch remediation,
and patch reporting.
 Provided feedback to MSC regarding the installed C4S suite, identified
alternatives when needed to support the operational requirements of the
fleet.

2.  Documented and reported configuration data, as well as system
anomalies, for reference and for historical purposes.
 Configured, installed and repaired computer OS and applications aboard
United States Naval Ships (FFG).
 Upgraded existing shipboard and shore-based computer and
communication systems as necessary to ensure adherence to the current
configuration standards.
 Provided informal training for users aboard ships as the capabilities were
installed or upgraded.
 Developed technical and administrative standard and procedures
regarding IT issues and prepared reports and project status.
 Led a team of Information System Technicians through 3 successful
Network Vulnerability Assessments.
 Manage and updated the commands web site thru Sharepoint.
2006 – 2008 Transient Personnel Unit NAS Jax Jacksonville,
FL
Watch Commander/ Urinalysis Coordinator
 Responsible for the efficient and expeditious processing of all assigned
transient personnel and operation of the disciplinary barracks.
 Responsible in conducting the urinalysis screenings for the staff and
transient personnel with zero discrepancies.
 Supervised and conducted brig personnel escorts.
2002 - 2006 U.S. Navy/ Naval Station Roosevelt Roads Ceiba, PR
Watch Commander/ Information System Manager
 Responsible for the management of 49 DOD personnel and 90 military
personnel duty Section.
 Ensuring accountability of weapons and equipment.
 Ensuring post rotation cycles are completed fairly.
 Conducting random but frequent post checks
 Ensuring Field Training Officers facilitates realistic training programs.
 Ensuring evals and awards are submitted in a timely manner.
 Reviewing all department SOP's at least annually.
 Ensuring all personnel understand the Use of Force policy and safety
procedures.
 Reviewing all incoming Incident Report and all completed ROI's to
ensure all reasonable investigative measures have been exhausted and
implemented correctly.
 Ensuring that all completed Incident Reports are administratively
correct and forwarded in a timely manner.
 Facilitating training lectures.
 Know qualification of all patrol persons and ensure they maintain all
qualifications.
 Maintaining the computers, software and network for the command.

3. 1999-2002 U.S. Navy/ Submarine Base Kings Bay Kings Bay, Ga
Information System Manager/ Graphics Manager
 Administer MS Exchange e-mail system and Internet Information
Server to meet all management, employee, and customer needs for
corporate Web site.
 Provided technical phone support for Action Company. Successfully
resolved customer issues regarding connectivity, peripheral
compatibility, and standard software usage questions for products on the
following operating platforms: Windows 2000, Windows NT Server,
Windows NT Workstation, Windows 95, Windows 3.x, and MS-DOS.
 Direct systems administration of 1000+ customers
 Able to guide motivated, top-performing technical and application
support teams in the administration, installation, training, and support of
client/server hardware, software, peripherals, and networked systems for
IBM AS/400, MS Windows NT/2000 Server, Windows 9x, Windows
3.x, MS-DOS, Novell, and Macintosh operating systems.
 Proven success delivering LAN/WAN/telecommunication connectivity,
security peripherals, and multi-platform design of Internet- and
client/server/database-related applications.
 Manage trouble calls and work request.
 Manage the Briefing Theater and prepared all briefs for the admirals and
chain of command briefs.
SUMMARY OF QUALIFICATIONS
2011 – 2013 HBSS VER. 3.0 Mayport, FL
Navy Course: W-150-2120, HBSS VER. 3.0
 Support the Navy initiative for Computer Network Defense to protect
against insider and external threats.
 Provide the ability to protect naval networks from attacks on systems
and information.
2010 Security + Certification Mayport, FL
Comptia Security + Certification
 License COMP001020084352 March 2010 – Never.
2008 – 2013 Network Security Vulnerability Technician Mayport, FL
Network Security Vulnerability Technician
 Recognizes microcomputer operating systems (i.e. MS-DOS, Windows,
Solaris, UNIX, and Novell Netware) vulnerabilities and performs
corrective actions to ensure maximum system availability. Administers
and operates installed computer network defense (CND) systems and
applications (i.e. HBSS) in accordance with current doctrine.
2006 – 2008 Urinalysis Coordinator Jacksonville, FL
Urinalysis Coordinator
 Organize and oversee the drug screening testing process to ensure
results are accurate.

4. 2004 - 2006 Motorcycle Safety Foundation Ceiba, PR
Motorcycle Safety Instructor
 To show how to drive safely a motorcycle and what to use as safety
equipment.
2004 -2006 Emergency Medical Technician Ceiba, PR
Emergency Medical Technician- Basic
 To provide medical assistant to the Fire Department and Hospital on
911 calls of medical emergency on Base.
 To provide medical assistant in case of a miss fire or anything had gone
wrong on the Small Arms Range.
2003.2006 Institute of Police Technology and Management Ceiba, PR
At Scene Traffic Crash Investigation
 Investigate how the traffic accident happened.
2003 - 2006 Institute of Police Technology and Management Ceiba, PR
Field Training Officer
 To provide reports of the Patrolmen of how they where performing
daily and weekly.
2003 - 2006 CMI Ceiba, PR
Breath Alcohol Analysis Instrument Operation, Instructor & Maintenance
 Perform & instruct others on these operations on the Intoxilyzer 5000
breath alcohol analysis instrument.
2002 -2006 U.S. Department of the Treasury Ceiba, PR
Military Customs Inspector
 Perform entrance, clearance, and examination of military aircraft, civilian
airline aircraft with military contract, passengers and crewmembers, and
military cargo unit equipment from places not included in the Customs
Territory.
2002 -2006 U.S. Department of Agriculture Ceiba, PR
Military Cooperator
 Assist on conducting agriculture inspections on all incoming and
outgoing aircrafts.
2002 – 2006 Institute of Police Technology and Management Ceiba, PR
DWI Detection and Horizontal Gaze Nystgamus Sobriety test Procedures
 Perform the DWI test.
2002 – 2006 U.S. Naval Safety Center Ceiba, PR
Emergency Vehicle Operator’s Course for Law Enforcement Driver
 How to drive Law enforcement Vehicles and Emergency Vehicles.
2002 – 2006 ASP Ceiba, PR
Tactical Baton Certification
 How to use an expandable baton.

5. 2002 – 2006 U.S. Naval Security Department Ceiba, PR
Oleoresin Capsicum Aerosol Projector
 Trained and completed the advance course for the OC
1999 – 2002 U.S. Navy Kings Bay, Ga
Information System Manager
 How to fix, maintain and built a network system.
EDUCATION
1993 - 1997 Recinto Universitario de Mayaguez Mayaguez, PR
Physical Education
 Some College Coursework Completed
 60 Semester Hours
PROFESSIONAL MEMBERSHIPS
Officer of Masonic Lodge Saint Johns 12 in Santurce, PR
LANGUAGES
English
Spoken: Advanced
Written: Advanced
Read: Advanced
Spanish
Spoken: Advanced
Written: Advanced
Read: Advanced
SECURITY CLEARANCE
TOP SECRET/ SCI-Eligible
COMMUNITY ACTIVITIES
Dive Master for Copamarina Resort
Volunteer work with the First Class Association for NCTS.