Network Engineer Sr - E3
Lockheed Martin
Fort Worth, TX · Posted October 19, 2026
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Where Fort Worth, TX ranks
Where Fort Worth, TX placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #5Best cities for software and engineering jobs in the Southwest348 openings · of 33
- #6Cities with the most jobs that do not need a four-year degree in the Southwest111 jobs · of 38
- #8Best cities for pay after cost of living in Texas$112k · of 8
- #8Cities hosting the most business conferences in the Southwest7 conferences · of 16
- #10Best all-round cities for AI careers in the Southwest35 / 100 · of 15
- #11Best cities for logistics and transportation jobs62 openings · of 17
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
Among network and computer systems administrators, AI is already used for a large share of the tasks. Measured exposure for network and computer systems administrators: 34% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
Standard Job Description
This position is to join the Classified Network Operations Team Supporting LM Aeronautics in Fort Worth, Texas, Palmdale, California or Marietta, Georgia. This position will support classified network infrastructure covering maintenance, troubleshooting and daily operations supporting all lines of business at Lockheed Martin Aeronautics, including ADP, F-22 and the Joint Strike Fighter Program (JSF).
The candidate selected will need to be a self-starter, able to work in fast paced environment and display strong communication skills as well as administer and maintain network infrastructure across multiple platforms. They will support day to day maintenance of hardware appliances such as Cisco Switches, Palo Alto and Juniper Firewalls and type 1 encryption. Candidate will support networking tools such as Cisco ISE, Cisco DNA Center and Cisco Call Manager. Also will be responsible for planned infrastructure upgrades, installation and cabling of network equipment.
This position is on-site 4/10A Monday through Thursday in Fort Worth, Texas, Palmdale, California or Marietta, Georgia with rotating on-call support and occasional travel.
Basic Qualifications
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 (IE: KG175s/ KG250)
Candidate must be able to lift 30 pounds
Confident 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
Have a current CompTIA Security+ (or other DoD 8570.01) Certification (or ability to obtain certification)
Demonstrate ability to provide customer focused support building strong relationships with customers, key stakeholders, clearly communicating requirements.
Active Secret Clearance (with ability to obtain Top Secret Clearance)
US Citizenship
Desired Skills/Qualifications:
General knowledge of DISA STIGs and hardening methods
Experience with support multi-site architecture
Palo Alto PNCSA or Juniper JNCIA/JNCIS Certification
Familiar 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.
Desired Skills
One of the following: CCNA/CCNP, JNCIA, Palo Alto PNCSA
General knowledge of DISA STIGs and hardening methods
Familiar with Cisco ACI and Cisco DNA Center
Experience with configuring and troubleshooting LAN and WAN connections
Ability to create and update network diagrams using Microsoft Visio.
Pay Information
Full-Time Salary Range: $85300.00 - $158300.00
At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.
The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.
Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.