General Dynamics Information Technology ยท 1 day ago
Network Engineer - TS/SCI w/Poly
Annapolis Junction, MD
Full-time
Onsite
Mid, Senior Level
$110K/yr - $150K/yr
5+ years expGeneral Dynamics Information Technology is a global technology and professional services company. They are seeking a highly skilled Network Engineer to support a large-scale enterprise program, focusing on the design, implementation, support, and maintenance of a complex network environment.
Artificial Intelligence (AI)Cloud ComputingConsultingCyber SecurityInformation Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Provide day-to-day operational support, troubleshooting, and maintenance of enterprise-scale Juniper and Cisco switching infrastructure
Configure and maintain load balancing technologies and boundary security devices (e.g., firewalls, edge routers)
Leverage Forward Networks to:
Build virtual replicas of the production network
Simulate and validate SDN code changes
Document the existing physical and logical network topology
Ensure network integrity, performance, and security for a distributed infrastructure supporting several hundred thousand endpoints
Monitor and respond to network incidents, lead root cause analysis and resolution efforts
Maintain and update network diagrams, configurations, and documentation in accordance with industry and organizational standards
Ensure compliance with security policies and regulatory requirements
Participate in planning and executing network upgrades, migrations, and optimizations
Collaborate with cross-functional teams including cybersecurity, infrastructure, and application teams
Work independently with minimal supervision while proactively identifying and resolving network issues
Qualification
Required
Top Secret SCI + Polygraph clearance level must currently possess
Top Secret SCI + Polygraph clearance level must be able to obtain
5+ years of related experience supporting enterprise networks with Cisco and Juniper technologies
Bachelor of Arts/Bachelor of Science
Strong knowledge of Layer 2/3 networking, routing protocols (OSPF, BGP, EIGRP), VLANs, VRFs, and QoS
Experience configuring and managing load balancers (F5, Citrix, or equivalent) and boundary devices such as firewalls or network access control appliances
Proficiency with Forward Networks or similar digital twin/virtual network simulation tools
Solid understanding of Software-Defined Networking (SDN) principles
Demonstrated ability to work independently and self-direct tasks in a complex environment
Strong awareness of network security best practices, compliance standards, and patch management processes
Excellent written and verbal communication skills
Must be willing to support an on-call rotation
US Citizenship Required
Certification Required: 8570 compliant with a Security + certificate
Preferred
Relevant certifications such as CCNP, JNCIP, CCIE, or JNCIE
Experience in high-availability, mission-critical environments
Familiarity with scripting languages (Python, Ansible) for network automation
Experience in government or highly regulated enterprise environments is desirable
Security clearance level: TS/SCI w/Poly
Benefits
Comprehensive benefits and wellness packages
401K with company match
Variety of medical plan options, some with Health Savings Accounts
Dental plan options
A vision plan
The ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match
Full flex work weeks where possible
Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave
Short and long-term disability benefits
Life, accidental death and dismemberment, personal accident, critical illness and 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
2026-01-03
2025-12-16
Business Wire
2025-11-20
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