Senior Network Engineer

About the role

General Dynamics NASSCO’s Information Technology department is seeking a Senior Networking Engineer for an onsite position in Norfolk, Virginia. The role involves diagnosing, triaging, resolving, and documenting network‑related support calls, evaluating requests for new services, performing testing and turn‑up, maintaining network documentation, monitoring alarms, troubleshooting issues, and assisting in root‑cause analysis.

Schedule

Hours: 7 am – 4 pm, Monday – Friday (onsite). Shift: ALL.

Pay

Salary range: $99,975 – $133,300 (estimate based on skill set, experience, training, and education).

Benefits

• Medical and dental insurance coverage
• 401(k) retirement savings plan
• Flexible spending accounts / HSAs
• Life and disability insurance
• Company‑paid holidays and paid time off (PTO)
• Wellness coaching

Requirements

• Bachelor’s degree or 10+ years of directly related experience
• At least 5 years’ experience supporting a Microsoft Windows environment
• Thorough understanding of LAN/WAN, DNS, routing, switches, and security appliances
• Cisco, Juniper, or additional networking certifications a plus; Cisco switching experience a plus
• Proficiency with the full suite of Microsoft Office products (Word, Excel, Visio, etc.)
• Knowledge of telecommunications network design principles and processes
• Critical thinking and problem‑solving ability
• Excellent oral and written communication skills
• Self‑motivated, able to work with little or no supervision
• Ability to multi‑task in a busy, changing environment with critical deadlines
• Proficiency in Cisco Catalyst Center (formerly Cisco DNA Center)
• Experience with network automation and assurance, including device onboarding and lifecycle management
• Experience troubleshooting and optimizing software‑defined networking (SDN) solutions
• Strong understanding of Cisco ISE architecture, deployment models, and integration with Active Directory, PKI, and other identity providers
• Hands‑on experience with TrustSec, segmentation, and profiling
• Strong understanding of Zero Trust Security (ZTS) principles and implementation of network and micro‑segmentation
• Knowledge of Software‑Defined Perimeter (SDP) and Zero Trust Network Access (ZTNA)
• Familiarity with multi‑factor authentication (MFA) and least‑privilege access models
• Ability to document network designs, policies, and configurations
• Familiarity with Firepower Management Center (FMC) and migration from Juniper SRX firewalls to Cisco next‑gen firewalls
• Experience configuring Cisco Wireless Assurance for analytics and designing Cisco Wireless LAN solutions
• Proficiency in Wi‑Fi security standards (WPA2, WPA3, EAP, 802.11r/k/v) and RF planning, spectrum analysis, and interference mitigation

Physical Requirements

• Ability to lift 50 lb and work in outdoor environments in all weather conditions
• Capable of pulling and installing various types of network infrastructure cable in tight spaces
• Must be able to stand, walk, climb, crawl, crouch, kneel, sit, stoop, and talk as required
• Visual acuity sufficient for operating equipment at arm’s reach and performing skilled trades tasks

Working Relationships

Reports to the Network Manager. Collaborates with members of the IT Infrastructure team and mentors junior Network Engineers.

Responsibilities

• Design, implement, and maintain LAN and WAN wired and wireless connectivity for all sites
• Configure firewalls, routers, switches, VPNs, and security software/appliances to support company requirements
• Assist in the design and implementation of new systems
• Troubleshoot LAN and WAN connectivity issues; support upgrades and modifications as needed
• Lead, coordinate, or participate in IT projects as assigned
• Complete daily checklists for network health and security, raising concerns as necessary
• Maintain cabling plant diagrams and documentation

Accountability

Responsible for designing and implementing secure network structures that satisfy the IT department’s requirements; regarded as a networking expert by peers.

Equipment Provided

• Smart phone
• Laptop computer – power user
• Dual monitor
• Docking station

Additional Requirements

• Must be a U.S. citizen
• No security clearance required
• Willingness to participate in an on‑call rotation
• Regular, reliable onsite attendance required
• Willingness to work additional hours, nights, or weekends as necessary
• Credit check will be required