General Dynamics Information Technology ยท 1 day ago
Senior Network Engineer
Livermore, CA
Full-time
Onsite
Senior Level, Lead/Staff
$136K/yr - $184K/yr
8+ 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. The Senior Network Engineer will design, implement, and maintain secure communications networks, ensuring network reliability and compliance while leveraging automation and emerging technologies.
Artificial Intelligence (AI)Cloud ComputingConsultingCyber SecurityInformation Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Design, plan, build, and maintain secure communications networks supporting enterprise and hybrid environments
Configure routers, switches, firewalls, and IPSec-based VPN solutions for LAN, WAN, and remote-access connectivity
Coordinate LAN/WAN hardware/software improvements and/or enhancements
Ensure network reliability, scalability, and compliance while leveraging automation and emerging technologies to enhance operational efficiency and support mission-critical business operations
Provide current network diagrams and other documentation
Display a comprehensive understanding of routing and switching protocols (OSPF, BGP, EIGRP, VLAN, Spanning Tree, Multicast)
In-depth understanding of Cisco IOS platforms and practical knowledge of networking topologies (LAN, WAN) and hands-on experience with IPSec VPNs
Experience with network diagnostic, monitoring, and analysis tools (e.g., SolarWinds, Splunk)
Design, implement, and maintain complex LAN/WAN infrastructures, including routing, switching, and secure VPN connectivity
Ensure network integrity, compliance with security policies, and proper backup and recovery processes
Install, configure, manage, and troubleshoot F5 BIG-IP systems to ensure applications are fast, available, and secure
Analyze, diagnose, and resolve complex performance and connectivity issues
Proven experience with Cisco Secure Firewalls (FTD/FMC), ISE, and 802.1x authentication, including device access troubleshooting on network switches
Evaluate and integrate new communications technologies to enhance network performance, security, and scalability
Create network diagrams using Microsoft Visio
Document network design and create Standard Operating Procedures for the installation and configuration of network devices
Maintain current knowledge of evolving network and automation technologies
Collaborate effectively with cross-functional teams and provide mentorship when needed
Linux system administration (RedHat Enterprise) preferred
Configure and administer Cisco routers, switches, secure firewalls, and ISE for identity-based access control and 802.1x authentication
Qualification
Required
Must possess and maintain a TS/SCI clearance with lifestyle polygraph
Education: BA/BS degree or equivalent work experience
Experience: 8+ years of related experience
Certifications: DoD 8570.01, Cisco CCNP (active) required
Additional Certifications: Cisco CCNP Enterprise, CCNP Security, DevNet, F5 certification
US citizenship
Preferred
Linux system administration (RedHat Enterprise) preferred
Knowledge of Cisco Catalyst and Cisco Nexus series switches
Knowledge of F5 BIG-IP
Knowledge of Cisco ISR Gen2 (1900, 2900, 3900 series) and ISR Gen3 (4000 series) routers
Knowledge of Cisco Firepower series firewalls
Knowledge (including installation) of NSA Cryptographic devices (KG-175, KG-250)
Knowledge of configuration of Cisco IOS 15.x, Cisco IOS-XE 16.x, and NX-OS 9.x
Benefits
Comprehensive benefits and wellness packages
401K with company match
Competitive pay and paid time off
Variety of medical plan options, some with Health Savings Accounts
Dental plan options
Vision plan
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
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2025-11-20
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