Senior Network Administrator

Clearance Level
Network Administration
Doral, Florida
Onsite Workplace
Key Skills For Success


Firewall Management


Firewalls Configuration

Network Engineering

REQ#: RQ142749
Requisition Type: Regular
Your Impact

Own your opportunity to work with the largest government agency in the nation. Make an impact by advancing the Department of Defense’s mission to keep our country safe and secure.

Job Description



Minimum Secret Clearance Required

General Dynamics is seeking a Network Administrator to provide expertise on enterprise network, especially in relation to firewalls.

Types of skills we are looking to find:

Working with Development Ops (network programming).

Experience building, testing, troubleshooting network firewall and providing intrusion protection detection.

Network candidate should have performed network programming utilizing tools such as Python, JSON, or Ansible or similar equivalent.

Experience with Cisco Identity Service Engine, web proxies, routing and switching protocols.

Endpoint Protection experience is preferred. (HBSS or ESS)


  • Installs, maintains and evaluates network systems and communications.

  • Troubleshoots the complex network issues involving various factors.

  • Conducts network architecture design, feasibility and cost studies.

  • Provides full lifecycle network infrastructure and administration support for the installation, tuning, testing, monitoring, upgrading, patching, break/fix, and management, maintenance, and administration of the network infrastructure environment, supporting the LAN/WAN across the enterprise.

  • Monitor network to ensure network availability to all system users and may perform necessary maintenance to support network availability.

  • May monitor and test Web site performance to ensure Web sites operate correctly and without interruption.

  • May assist in network modeling, analysis, planning, and coordination between network and data communications hardware and software.

  • May supervise computer user support specialists and computer network support specialists.

  • May administer network security measures.

  • Supports all transmission/transport mediums (VPNs, dedicated circuits, broadband, etc.) and works with public carriers and other circuit providers to deliver network services.

  • Follows designated standards and adheres to processes and policies.

  • Provides configuration management support in accordance with compliance and policies and procedures, using configuration management systems to record, track, monitor, and update component configurations and configuration items and changes and account for assets.

  • Shift Work: Yes (Panama Shift). May be required to perform after hours support for planned and unplanned outages. Must be willing to work shifts as required.

  • Travel: Less than 10%

Required Certifications:-

  • 8570 Compliance (one of the IAT level II compliant certifications i.e. - SSCP, Sec+ CE, CCNA-S, CySA+, GSEC, GICSP)

  • A Cisco certification cert such as CCNA-Security, CCNP-Security (or Firewall related certifications (i.e. Palo Alto, Juniper etc.).

Experience Required:

  • Extensive knowledge of Internet, computer, routers, switches, firewall, etc.

  • Experience with enterprise monitoring tools (SolarWinds, Splunk)

  • Experience managing firewalls (e.g. Palo Alto, Juniper or CISCO ASA)

  • Experience knowledge of routing protocols (OSPF, EIGRP, BGP)- CISCO SOURCEFIRE (IDS)- Joint Regional Security Stack (JRSS)- Blue Coat Web Proxy.

  • Fluency in speaking French or Spanish.

Education Requirements:

  • Higher Education Degree in Information Technology, Networking, or related field (additional experience may substitute in lieu of degree).


  • SECRET Clearance with ability to obtain TS/SCI




Work Requirements
Years of Experience

3 + years of related experience

* may vary based on technical training, certification(s), or degree


CCNA Routing and Switching - Cisco Systems

Firewall Specialist - Cisco Systems

Cisco Firewall Security Specialist - Cisco Systems

Cisco Certified Network Professional (CCNP) - Cisco Systems

Travel Required

Less than 10%


U.S. Citizenship Required

About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.