Network Engineer Sr - Level 3
Lockheed Martin· Defense· Oct 21, 2026 · 7d ago
Bethesda, MD · Rockville, MD
In office
Full-time
Senior
$137K–$195K est.
5+ years exp
Job description
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.
The information below reflects the standard job description for this position:
Designs and plans network communications systems. Provides specifications and detailed schematics for network architecture. Provides specific detailed information for hardware and software selection, implementation techniques and tools for the most efficient solution to meet business needs, including present and future capacity requirements. Conducts testing of network design. Maintains technical expertise in all areas of network and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, hubs, bridges, gateways, etc. Evaluates and reports on new communications technologies to enhance capabilities of the network.
Basic Qualifications
• Bachelor’s degree in Science, Technology, Engineering or Math (STEM) or related discipline or equivalent professional experience
• Minimum of 5+ years work experience in Network Engineering
• Prior experience with satellite ground systems design, development, or integration & test
• Demonstrated communications skills (verbal and written) with the ability to prepare and present program status to management and customers
• An Active Secret clearance to start (Must be a US citizen).
Desired Skills
• Experience working in an Agile I&T environment, including tools such as Jira and Confluence
• Experience designing and documenting network architectures
• Experience working with Cisco Router and Switch hardware products and IOS
• Experience with IP Multicast and related protocols like IGMP, PIM
• Experience with layer 3 networking and tunneling and related protocols like BGP, GRE, IPSec, DMVPN, L3VPN
• Demonstrated ability to troubleshoot network problems
• Deliver effective customer presentations that include performance results, schedule status, and corrective action details
• Active Secret clearance or higher
• Support occasional business travel (up to 25%)
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.
Application prep
Use the role’s language and application details while tailoring your materials.
Keywords to mirror
agilejira
- Platform
- eightfold
- Effort
- medium
Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Pto
Paid Time Off
Parental Leave