Senior Network Engineer - National Security (Top Secret)

General Dynamics Information Technology; Omaha (NE); On-site; USD 96,000 - 129,000; Full time

Benefits offered by this job

Health benefits (Medical, Dental and V

401K with company match

Educational Assistance and eLearning

Internal mobility team

Job summary

General Dynamics Information Technology is seeking an experienced IT Infrastructure Engineer to support the USSTRATCOM mission from Offutt AFB, NE. The role entails RFC authoring, incident resolution, and OS patching across Cisco devices, with emphasis on DISA STIG compliance and secure network operations.

The position requires 5+ years of related experience and active Top Secret clearance with TS/SCI eligibility. Proficiency with NAC, Palo Alto, SolarWinds, and datacenter fabrics is expected.

Qualifications

• Education: BA/BS or equivalent relevant experience.
• Experience: 5+ years of related experience.
• Required Certifications: Security+ or DoD 8140 Compliant Certification.
• ITIL Foundations v4 Certificate or the ability to obtain within 9 mos.
• Cisco Certified Network Associate (CCNA).
• Must have a current/active Top Secret clearance with the ability to obtain TS/SCI status.
• Hands-on experience configuring, administering, and updating enterprise and datacenter network devices.
• Reviewing DISA STIGs and applying STIGs to harden Cisco network infrastructure.
• Operational experience with enterprise firewalls (PAN-OS).
• Experience with NAC solutions and authentication protocols (802.1X, ForeScout, TACACS+, RADIUS).
• Monitoring using SolarWinds for fault isolation and performance analysis.

Responsibilities

• Authoring formal Requests for Change (RFCs) with implementation and rollback plans.
• Managing Tier I-III network incidents and service requests in ServiceNow.
• Scheduling and performing OS upgrades and security patches on Cisco IOS, IOS-XE, NX-OS devices.
• Auditing switches/routers against DISA STIG benchmarks and maintaining compliance docs.
• Monitoring network health and telemetry alerts with SolarWinds to triage issues.
• Assisting with firewall operations and security rule modifications (Palo Alto PAN-OS).
• Troubleshooting NAC/authentication issues using ForeScout, TACACS+, and RADIUS.
• Maintaining datacenter spine-leaf fabrics, VXLANs, and related topology docs.
• Supporting hardware lifecycle initiatives and decommissioning activities.
• Performing after-hours work as needed.

Skills

Enterprise IT

Enterprise Platforms

Network Engineering

Education

BA/BS or equivalent relevant experience

Tools

ForeScout

TACACS+

RADIUS

SolarWinds

PAN-OS

Cisco IOS

IOS-XE

NX-OS

Job description

General Dynamics Information Technology is seeking an experienced IT Infrastructure Engineer to support the USSTRATCOM mission from Offutt AFB, NE. The role entails RFC authoring, incident resolution, and OS patching across Cisco devices, with emphasis on DISA STIG compliance and secure network operations.

The position requires 5+ years of related experience and active Top Secret clearance with TS/SCI eligibility. Proficiency with NAC, Palo Alto, SolarWinds, and datacenter fabrics is expected.