Network Engineer Sr - E3

Posted 34 Minutes Ago
Be an Early Applicant
3 Locations
In-Office
85K-158K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Maintain, troubleshoot, and operate classified network infrastructure supporting Lockheed Martin Aeronautics programs. Configure Cisco switches, firewalls, encryption devices, collaboration tools, and network management platforms; resolve LAN/WAN issues; perform upgrades, installations, cabling, hardening, and documentation. The role is on-site Monday through Thursday with rotating on-call support and occasional travel.
Summary Generated by Built In
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.

Skills Required

  • Experience configuring and managing Cisco switches and CUCM
  • Experience with Cisco Call Manager and Jabber
  • Experience configuring and managing Juniper or Palo Alto firewalls
  • At least five years of experience with TACLANEs, including KG175 or KG250
  • Ability to lift 30 pounds
  • Knowledge of the OSI model, IP addressing, and subnetting
  • At least five years of experience supporting and resolving network-related issues
  • Effective communication and customer-focused support skills
  • Current CompTIA Security+ or other DoD 8570.01 certification, or ability to obtain certification
  • Active Secret security clearance with ability to obtain Top Secret clearance
  • U.S. citizenship
  • Knowledge of DISA STIGs and hardening methods
  • Experience supporting multisite network architecture
  • Palo Alto PNCSA or Juniper JNCIA/JNCIS certification
  • Experience with software-defined networking, including Cisco ACI or Cisco DNA Center
  • Experience configuring and troubleshooting LAN and WAN connections
  • Ability to create and update network diagrams using Microsoft Visio
  • CCNA, CCNP, JNCIA, or Palo Alto PNCSA certification

Lockheed Martin Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lockheed Martin and has not been reviewed or approved by Lockheed Martin.

  • Retirement Support — Retirement benefits are described as a standout element, with a strong 401(k) program and options like an employee stock purchase plan. Feedback suggests these features meaningfully enhance total compensation and long‑term financial security.
  • Healthcare Strength — Healthcare coverage is portrayed as comprehensive from day one, with multiple plan options, mental health resources, and virtual care. Wellness supports such as on‑site services and preventive programs are also highlighted.
  • Flexible Benefits — Work arrangements often include compressed schedules and telework, contributing to a favorable work‑life balance. Feedback suggests this flexibility is a key reason many view the overall package positively.

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The Company
HQ: Bethesda, MD
108,588 Employees
Year Founded: 1912

What We Do

Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

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