×
Register Here to Apply for Jobs or Post Jobs. X

Systems Engineer Senior; Level 3

Job in King of Prussia, Montgomery County, Pennsylvania, 19406, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-01-01
Job specializations:
  • Engineering
    Systems Engineer, Software Engineer
Job Description & How to Apply Below
Position: Systems Engineer Senior (Level 3)

Job  

Date posted:
Dec. 24, 2025

The coolest jobs on this planet... or any other... are with Lockheed Martin Space

OVERVIEW

At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every day we use our unique skills and experiences to create, design and build solutions to some of the worlds' hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible products.

We provide the resources, inspiration and focus and if you have the passion and courage to dream big, we want to build a better tomorrow with you.

Going to space is just the beginning. It's what you do when you get there that matters. Lockheed Martin builds the satellites and spacecraft that do amazing things in space for government and commercial customers. Connecting people. Advancing discovery. And protecting what matters most. Lockheed Martin-built satellites give earlier warning of severe weather, connect troops on the battlefield, and deliver GPS directions to a billion people worldwide.

As we look to the future, we're driving innovations to help our customers do even more in orbit. That's why we're crafting smarter satellites that operate like smartphones in the sky, with apps that can be updated in orbit so they can adapt as mission needs on the ground change. Your mission is ours. And as that mission evolves, we'll be ready.

Will you?

Every day, our 115,000 employees come to work with one focus - our customers' missions. Our customers tackle the hardest missions. Those that demand extraordinary amounts of courage, resilience and precision. They're dangerous. Critical. Sometimes they even provide an opportunity to change the world and save lives. Those are the missions we care about.

Lockheed Martin. Your Mission is Ours.

What does this role look like?
  • Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems.
  • Analyses are performed at all levels to include: concept, design, test, installation, operation, maintenance.
  • Ensures the logical and systematic conversion of customer requirements into total systems solutions that acknowledge technical, schedule, and cost constraints.
  • Performs functional analysis of software, timeline analysis, requirements allocation and interface definition studies to translate requirements into software specifications.
  • As a Systems Engineer Sr. you will directly help establish the technical solution and test overall system design.
  • In this role you typically will, Ensure the logical and systematic conversation of customer requirements and how to test the solution.
  • Use your excellent communication skills to work across the Lockheed Martin organization and customer to ensure an understanding of the solutions.
  • Perform systems integration, test planning and implementation.
Basic Qualifications
  • Bachelor's degree in systems engineering or a related program area.
  • Knowledge of the full systems engineering lifecycle.
  • Experience with test planning and execution with an understanding of interdependencies.
  • Experience in developing test procedures.
  • Active TS/SCI with Poly clearance.
Desired Skills
  • Requirements and Interface Control Document (ICD) development.
  • Understanding of Aerospace technologies, Orbital Dynamics, etc.
  • Familiar with Scrum and Agile practices.
  • Analyze and resolve complex mission problems.
  • Understanding of Engineering tools (i.e. Matlab).
  • Understanding of Software Programing Languages (i.e. Python).
  • Experienced in Microsoft Office Suite.
  • Software Scripting.

Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.

Clearance Level: TS/SCI w/Poly

Other Important Information You Should Know

Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.

Ability to Work Remotely: Onsite Full-time:
The work associated with this position will be performed onsite at a designated Lockheed Martin facility.

Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.

Schedule for this Position: 9x80 every other Friday off

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…

Position Requirements
10+ Years work experience
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)

Job Posting Language
Employment Category
Education (minimum level)
Filters
Education Level
Experience Level (years)
Posted in last:
Salary