Network Engineer Sr - E3

Posted 15 Hours Ago
Be an Early Applicant
2 Locations
In-Office
96K-178K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Designs, implements, tests, and sustains secure network communications for military SATCOM ground systems. Responsibilities include developing network architectures and specifications, analyzing data flows, monitoring performance, troubleshooting, implementing SDN solutions, integrating hardware and software, evaluating communications technologies, and participating in Agile ceremonies. Requires an active Final DoD Secret clearance, networking expertise, and CCNA/CCNP certification or eligibility.
Summary Generated by Built In
Standard Job Description

Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. 

At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity.

Join us in shaping a new era in space and find a career that's built for you.[


Lockheed Martin is seeking a talented Network Engineer with a Final DoD Secret clearance to work on mission‑critical Military Satellite Communications (SATCOM) Ground systems within an Agile Development Environment. You will be a key member of the Component Integration Team, assisting in the design, implementation, and sustainment of Ground Systems that support secure, high‑performance communications. As a

Network Engineer you will:

  • Design and plan network communications systems that support geographically dispersed, cross‑site SATCOM operations, including multi‑pathing and redundancy.
  • Develop detailed specifications and schematics for network architecture, hardware selection, and implementation tools that address current and future capacity requirements.
  • Conduct testing and validation of network designs, including data‑flow analysis, performance monitoring, and troubleshooting.
  • Evaluate emerging communications technologies and recommend enhancements to improve network capability, resiliency, and security. 
  • Implement Software Defined Networking (SDN) solutions and integrate them with existing infrastructure.
  • Provide technical expertise on network and computer hardware/software interconnection, ensuring seamless data exchange between applications and remote locations.
  • Participate in Agile ceremonies (sprint planning, daily standups, sprint reviews, retrospectives) to deliver high-quality solutions continuously.
Basic Qualifications
  • Active Final DoD Secret clearance with the ability to obtain and maintain TS/SCI.
  • Proven experience with Software Defined Networking (SDN) and Data Flow Analysis.
  • Current or ability to obtain CCNA/CCNP certification.
  • Fundamental knowledge of network protocols: TCP/IP, UDP, SMTP, NFS, DHCP, DNS, FTP, Telnet, SSH, and firewall policy design.
Desired Skills
  • DoD 8570.01‑M IAT Level II or III certification (e.g., Security+, CASP, CISSP).
  • Experience operating within Red Hat based environments.
  • Familiarity with DISA STIG checklists and hardening of Layer 2/Layer 3 switches.
  • Hands-on experience with Type 1 encryption devices (e.g., TACLANE).
  • Proficiency using protocol analyzers/sniffers such as Wireshark.
  • Interest/experience with automation tools (Ansible, Terraform, etc.).
  • Knowledge of military SATCOM systems and secure communication protocols.
  • Experience with virtualization technologies, including VMware.
  • Familiarity with Agile development tools (JIRA, Confluence).
  • Strong problem-solving ability, attention to detail, and capacity to manage multiple tasks efficiently.
  • Strong written and verbal communication skills; ability to collaborate in a fast‑paced, team oriented environment.
  • Proficient in AI prompting as it applies to this position and practice

#LMSpaceSystemsEng

Pay Information

Full-Time Salary Range: $95900.00 - $178100.00

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

  • Active Final DoD Secret clearance
  • Ability to obtain and maintain TS/SCI clearance
  • Experience with Software Defined Networking (SDN)
  • Experience with data flow analysis
  • Current or ability to obtain CCNA or CCNP certification
  • Knowledge of TCP/IP, UDP, SMTP, NFS, DHCP, DNS, FTP, Telnet, and SSH protocols
  • Knowledge of firewall policy design
  • DoD 8570.01-M IAT Level II or III certification, such as Security+, CASP, or CISSP
  • Experience with Red Hat-based environments
  • Familiarity with DISA STIG checklists and Layer 2/Layer 3 switch hardening
  • Hands-on experience with Type 1 encryption devices such as TACLANE
  • Experience with protocol analyzers or sniffers such as Wireshark
  • Experience or interest in Ansible, Terraform, or similar automation tools
  • Knowledge of military SATCOM systems and secure communication protocols
  • Experience with virtualization technologies, including VMware
  • Familiarity with Agile development tools such as JIRA and Confluence
  • Strong problem-solving, communication, collaboration, and multitasking skills
  • Proficiency in AI prompting as applied to the position

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.

Lockheed Martin Insights

Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

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.

Similar Jobs

Spectrum Logo Spectrum

Senior Director, Strategic Partnerships

eCommerce • Information Technology • Internet of Things • Mobile • On-Demand • Retail • Software
In-Office
Greenwood Village, CO, USA
100000 Employees
156K-276K Annually

Spectrum Logo Spectrum

2027 Summer Intern: WiFi Product Team

eCommerce • Information Technology • Internet of Things • Mobile • On-Demand • Retail • Software
In-Office
Greenwood Village, CO, USA
100000 Employees

Spectrum Logo Spectrum

Software Engineer

eCommerce • Information Technology • Internet of Things • Mobile • On-Demand • Retail • Software
In-Office
Englewood, CO, USA
100000 Employees

Spectrum Logo Spectrum

Database Administrator

eCommerce • Information Technology • Internet of Things • Mobile • On-Demand • Retail • Software
In-Office
Greenwood Village, CO, USA
100000 Employees
88K-157K Annually

Similar Companies Hiring

Amalgamated Sugar Thumbnail
Food • Greentech • Agriculture • Industrial • Manufacturing
Boise, Idaho
768 Employees
Outpost Space Thumbnail
Aerospace • Defense
Los Angeles, California
38 Employees
Revel Thumbnail
Aerospace • Hardware • Robotics • Software
Marina Del Rey, California
70 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account