Network Engineer, Sr​/Secret​/Onsite: TX

Overview

This position is to join the Classified Network Operations Team supporting LM Aeronautics in Fort Worth, Texas. The role supports classified network infrastructure covering maintenance, troubleshooting, and daily operations across all lines of business at Lockheed Martin Aeronautics, including ADP, F-22, and the Joint Strike Fighter Program (JSF). The ideal candidate is a self‑starter who can work in a fast‑paced environment and demonstrates strong communication skills while administering and maintaining network infrastructure across multiple platforms.

Day‑to‑day maintenance of hardware appliances such as Cisco switches, Palo Alto and Juniper firewalls and type‑1 encryption is required. The position also supports networking tools such as Cisco ISE, Cisco DNA Center, and Cisco Call Manager, and is responsible for planned infrastructure upgrades, installation, and cabling of network equipment.

This position is on‑site 4/10B, Tuesday through Friday, with rotating on‑call support and occasional travel.

• Familiar with DoD Risk Management Framework
• Experience with configuration and management of Cisco switches and CUCM
• Experience with Cisco Call Manager and Jabber
• Experience with configuration and management of Juniper or Palo Alto firewalls
• Minimum 5 years’ experience with TACLANEs (e.g., KG175s/KG250)
• Ability to lift 30 pounds
• Confidence in OSI model, IP addressing, and subnetting
• 5+ years’ experience supporting and resolving network‑related issues
• Ability to effectively communicate with other Classified Network Operations team members
• Hold a current CompTIA Security+ (or other DoD 8570.01) certification or ability to obtain certification
• Demonstrate ability to provide customer‑focused support and build strong relationships with customers and key stakeholders
• Active Secret Clearance (with ability to obtain Top Secret Clearance)
• US Citizenship

• General knowledge of DISA STIGs and hardening methods
• Experience with supporting multi‑site architecture
• Palo Alto PNCSA or Juniper JNCIA/JNCIS certification
• Familiarity with software‑defined networking (Cisco ACI, Cisco DNA Center, etc.)
• Experience with configuring and troubleshooting LAN and WAN connections
• Ability to create and update network diagrams using Microsoft Visio

This position requires a government security clearance. You must be a US Citizen for consideration. Clearance level:
Top Secret. Active Secret Clearance (with ability to obtain Top Secret Clearance). Current CompTIA Security+ (or other DoD 8570.01) certification.

Expression of interest:
By applying to this job, you are expressing interest in this position and may be considered for other career opportunities that match your skills and requirements. Priority consideration will be given to qualified candidates currently affiliated with the Enterprise Operations’ Enterprise Business & Digital Transformation (EBDT) organization.

Ability to work remotely:
On‑site full‑time. The work associated with this position will be performed onsite at a designated Lockheed Martin facility.

Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility. Schedules range from standard 40 hours over a five‑day work week to condensed schedules. This position follows a 4×10 hour day, 3 days off per week.

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.

The application window will close in 90 days; applicants are encouraged to apply within 5‑30 days of the requisition posting date for optimal consideration.

• Experience Level: Experienced Professional
• Business Unit: ENTERPRISE BUSINESS SERVICES
• Relocation Available:
  Possible
• Career Area:
  Information Technology
• Type:
  Full‑Time
• Shift: First