General Dynamics Information Technology · 2 weeks ago
Network Engineer Senior (Security) – TS/SCI required
Fort Belvoir, VA
Full-time
Onsite
Senior Level, Lead/Staff
$119K/yr - $161K/yr
10+ years expGeneral Dynamics Information Technology is a global technology and professional services company that delivers consulting, technology, and mission services to every major agency across the U.S. government. As a Network Engineer Senior (Security), you will support the mission of US Army Intelligence and Security Command by installing, configuring, and maintaining network infrastructure and security protocols.
Artificial Intelligence (AI)Cloud ComputingConsultingCyber SecurityInformation Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
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
Qualification
Required
Top Secret/SCI clearance level must currently possess
Top Secret SCI + Polygraph clearance level must be able to obtain
10 + years of related experience
US Citizenship Required
Bachelor's Degree with 12 years of experience or Master's Degree with 10 years of experience
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. NetBrain, Python, PowerShell, 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
TS/SCI Security Clearance Level
DoD 8570/8140 Computing Environment (CE) Certification as determined by the Program Manager is required prior to support on contract
Cisco Certified Network Professional – Security
Cisco Certified Network Professional – Enterprise
Palo Alto Networks Certified Network Security Engineer
Preferred
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 (i.e. IT Hardware), reaching/bending/kneeling (i.e. plug in cables) and other moderately strenuous activity
Travel may be required to support the mission
Benefits
Comprehensive benefits and wellness packages
401K with company match
Paid time off
Variety of medical plan options, some with Health Savings Accounts
Dental plan options
Vision plan
Full flex work weeks
Vacation
Sick and personal time
Holidays
Paid parental leave
Military leave
Bereavement leave
Jury duty leave
Short and long-term disability benefits
Life insurance
Accidental death and dismemberment insurance
Personal accident insurance
Critical illness insurance
Business travel and accident insurance
Company
General Dynamics Information Technology
General Dynamics Information Technology is an IT consulting company that specializes in cyber security, AI, and quantum computing. It is a sub-organization of General Dynamics.
10001+ employees
Funding
Current Stage
Late StageLeadership Team
Paul Nedzbala
Senior Vice President
Ben Buckley
Vice President and General Manager
Recent News
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2025-11-20
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