Network Administrator (Application and Security Devices [F5, ASA, Palo Alto] )

General Dynamics Information Technology



GDIT is seeking candidates to support the US Army Intelligence and Security Command (INSCOM). Under the I2TS 3 task order, INSCOM ensures reliable, uninterrupted availability of Command, Control, Communications, Computers, and Information Management (C4IM) including: networks, hardware, software, engineering, and specialized tools at the point of customer need to support INSCOM's mission. INSCOM and its Major Subordinate Commands (MSCs) provide the enabling layer to connect the Army and its tactical formations to defense and national intelligence agencies via tactical networks. The ability to provide mission critical intelligence is dependent on the successful use of its information technology (IT) networks worldwide.

Principal Duties and Responsibilities:

An I2TS 3 Network Administrator:

Performs administration duties for networking hardware including routers, switches, gateways, network interface cards, networking cables, firewalls, and other related network hardware

Must have  knowledge of fiber and copper-based Ethernet technologies, capabilities and cabling and their connectivity to local and wide area networks

Monitors, responds to, and resolves hardware and software issues utilizing a variety troubleshooting tools and techniques

Installs and configures network hardware and software, including implementing upgrades

Respond to service requests providing outstanding technical support and training to end-users

Administers network security via firewall access controls

Analyses configuration and rules to ensure network optimization

Analyses traffic flow isolating service impairments and resolving identified issues

Provide clear written documentation on network procedures

Effectively interact with staff from other sections on complex client/server problems


Desirable Skills / Experience:

Comprehensive knowledge of the principles, methods, and techniques used in network troubleshooting and support and related network hardware and software expertise

Comprehensive knowledge of routing and switching technologies to include but not limited to Site-to-Site VPNs, OSPF, and BGP

Experience working with Cisco routers, Cisco switches, Cisco ASA firewalls, Palo Alto Firewalls, Brocade Switches, Juniper Routers, and F5 Big-IP load-balancers

Experience performing network packet capture analysis

Experience leveraging network monitoring tools such as SolarWinds



DoD 8570.01-M IAT Level II Computing Environment (CE) Certification as determined by the Program Manager is required prior to support on contract

Required Security Environment Certification: CompTIA Security+ CE or equivalent (CCNA-Security)

Desired Computing Environment (CE) certification: CCNA to start, however would be required to obtain CCNP within 6 months after start)


Security Clearance

TS/SCI required



Although currently not a requirement for this position, candidates must be willing and able to attain a CI Polygraph  as determined by the contract

Position may require occasional travel

Position may require lifting of objects (i.e. IT Hardware), reaching/bending/kneeling (i.e. plug in cables) and other moderately strenuous activity

Contract is I2TS 3



Education Required

High School Diploma/GED with 10 years of related experience, or Associate’s Degree with 8 years of experience, or Bachelor’s Degree with 6 years of experience, or Master’s Degree with 4 years of experience


4-10 years of directly related experience supporting network operations.

More Information


Mid-level industry position


North America

Fort Belvoir , United States


United States

Fort Belvoir


Mid-level industry position