×
Register Here to Apply for Jobs or Post Jobs. X

Network Engineer Senior; Security - TS​/SCI

Job in Fort Belvoir, Fairfax County, Virginia, 22060, USA
Listing for: General Dynamics Corporation
Full Time, Part Time, Seasonal/Temporary position
Listed on 2026-01-12
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Security
Salary/Wage Range or Industry Benchmark: 119000 - 161000 USD Yearly USD 119000.00 161000.00 YEAR
Job Description & How to Apply Below
Position: Network Engineer Senior (Security) - TS/SCI required

Responsibilities for this Position

Location: USA VA Fort Belvoir
Full Part/Time: Full time
Job Req: RQ206707

Type of Requisition: Regular

Clearance Level Must Currently Possess: Top Secret/SCI

Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph

Public Trust/Other

Required:

None

Job Family: IT Infrastructure and Operations

Job Qualifications:

Skills: Network Engineering, Network Infrastructures, Networking Hardware

Certifications: None

Experience: 10+ years of related experience

US Citizenship

Required:

Yes

Job Description:

Network Engineer Senior (Security) - TS/SCI required

Transform technology into opportunity as a Network Engineer Senior (Security) pe what's next for mission‑critical government projects while shaping what's next for your career.

MEANINGFUL WORK AND PERSONAL IMPACT

As a Network Engineer Senior (Security), the work you’ll do at GDIT will be impactful to the mission of US Army Intelligence and Security Command (INSCOM). You will play a crucial role in supporting the INSCOM mission.

  • Install, configure, and maintain customer network infrastructure and security stack as part of a global enterprise.
  • Troubleshoot networking and security protocols/technologies, including switching, routing, and security (e.g., Layer 4‑7, firewall, Site‑to‑Site VPN, DMVPN, etc) to resolve problems on the customer information system.
  • Analyze, plan, and implement access control lists (ACL), firewall policies, and other logical security controls in a multi‑vendor security stack.
  • Provide expert‑level (Tier
    3) network security engineering support for INSCOM activities in the National Capital Area.
  • Collaborate with teams of various technical discipline to solve enterprise IT problems from a holistic perspective.
  • Configure load balancing and authentication policies on F5 BIG‑IP to support web application hosting.

WHAT YOU'LL NEED TO SUCCEED:

  • Education: Bachelor’s Degree with 12 years of experience or Master’s Degree with 10 years of experience
  • Required Skillset:
    • Excellent attention to detail
    • Excellent communications skills and ability to interact with both clients and teammates
    • Experience with configuring, integrating, and troubleshooting security appliances in a multi‑vendor federal enterprise environment
    • Experience with the behavior of routing protocols in Next Generation Firewalls
    • Experience with Network Automation tools, scripting languages, or Infrastructure as Code tools (e.g. Net Brain, Python, Power Shell, APIs, Terraform, Ansible)
    • Intermediate knowledge of F5 BIG‑IP deployment and configuration with Local Traffic Manager and Application Security Manager
    • Hardening network devices in accordance with STIGS/NIST and industry best practices
    • Experience with packet analysis tools such as TCPDump and Wireshark
    • Experience working in a large SDLC environment
  • Security Clearance Level: TS/SCI
  • Required Certification(s):
    • DoD 8570/8140 Computing Environment (CE) Certification as determined by the Program Manager is required prior to support on contract
    • Required Security Environment Certification:
      • Cisco Certified Network Professional - Security
      • Cisco Certified Network Professional - Enterprise
      • Palo Alto Networks Certified Network Security Engineer
  • Location: On Customer Site
  • Additional:
    • Candidates must be willing and able to attain a CI Polygraph for certain positions as determined by the contract
    • Position may require lifting of objects (e.g., IT Hardware), reaching/bending/kneeling (e.g., plug in cables) and other moderately strenuous activity
    • Travel may be required to support the mission

GDIT IS YOUR PLACE

  • Growth: AI‑powered career tool that identifies career steps and learning opportunities
  • Support:
    An internal mobility team focused on helping you achieve your career goals
  • Rewards:
    Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
  • Community:
    Award‑winning culture of innovation and a military‑friendly workplace

OWN YOUR OPPORTUNITY

Explore a career in program management at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your passion for the mission and delivering results.

The likely salary range for this position is $119,000 - $161,000. This is not, however,…

Position Requirements
10+ Years work experience
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)

Job Posting Language
Employment Category
Education (minimum level)
Filters
Education Level
Experience Level (years)
Posted in last:
Salary
 
Learn4Good is currently undergoing necessary server maintenance.
We hope to have the Login & Registration options back in 5 minutes, and apologize for any inconvenience.