Staff Engineer Jobs in Marietta, GA

JOB ID: 732652BR

Date posted: Jun. 18, 2026

Description:

You will be the Software Engineer Senior Staff for the F-35 SILs, F-22 SILs and/or ADP team which is responsible for building various F-35/F-22 man-in-the-loop simulation products.

What You Will Be Doing

As the Software Engineer Senior Staff you will be responsible for developing and integrating real-time simulation software applications for the F-35 SILs, F-22 SILs and/or ADP team.

Your responsibilities will include:

• Laboratory software development within the LM Aeronautics Simulation and System Labs (SSL) Team


• Design, develop and integrate low-to-medium fidelity models (such as aircraft weapon, sensor, environment and threat models)


• Real-time simulation and/or infrastructure software in support of simulation and system integration labs in various high‑order software languages (C++, Ada, Java, etc.)


• Collaboration with cross‑functional teams to ensure successful integration and deployment of software applications


• Continuous improvement of software development processes and procedures to ensure high‑quality products

What’s In It For You

Do you want to be part of a company culture that empowers employees to think big, lead with a growth mindset, and make the impossible a reality? We provide the resources and give you the flexibility to enable inspiration and focus – if you have the passion and courage to dream big, work hard, and have fun doing what you love then we want to build a better tomorrow with you.

Who You Are

The ideal candidate will be a collaborative and experienced software engineer with a strong background in real-time simulation software development. You will have excellent problem‑solving skills, be able to work in a fast‑paced environment, and have a passion for delivering high‑quality products.

Further Information About This Opportunity

MUST BE A U.S. CITIZEN - This position is located at a facility that requires special access. The selected candidate must be able to obtain a secret clearance.

This position is in Marietta, GA Discover Marietta.

Basic Qualifications:

• Bachelor's degree in Aerospace Engineering, Computer Science, Software Engineering or Electrical Engineering.
• Experience in the use of Linux Operating Systems.
• Experience developing software in C++ and/or Ada
• Simulation Software Experience
• Leadership experience

Desired Skills:

• Experience using integrated development environments (IDE’s)
• Experience with Object-Oriented Analysis (OOA) / Object-Oriented Design (OOD) techniques.
• Experience integrating complex systems on multiple classified networks.
• Desktop and laboratory integration testing of software anomaly fixes.

Security Clearance Statement:

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

Clearance Level:

Secret

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:

4x10 hour day, 3 days off per week
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 date in order to receive optimal consideration.
Join us at Lockheed Martin, where your mission is ours. 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.

As a leading technology innovation company, Lockheed Martin’s vast team works with partners around the world to bring proven performance to our customers’ toughest challenges. Lockheed Martin has employees based in many states throughout the U.S., and Internationally, with business locations in many nations and territories.

Experience Level:

Experienced Professional

Business Unit:

AERONAUTICS COMPANY

Relocation Available:

Possible

Career Area:

Software Engineering

Type:

Full-Time

Shift:

First

At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

Pioneering Defense Technology: From aerospace to outer space to cyber space, you can innovate mission solutions alongside the best minds in the business.

United By Culture: Excellence, integrity, and collaboration define us. We accelerate change and embrace one another’s perspectives to win for our customers.

Real Impact, Real Growth: Grow your career and skills for life. Our wide array of opportunities and technology-driven learning programs enable your development and agility.

Your Health, Your Wealth, Your Life: Competitive pay, comprehensive benefits and flexible schedules designed so you thrive — at work and beyond.

Empowered to Be Your Best: Use your strengths to make a difference in the lives of one another, our customers, our communities, and our planet.

Here, the possibilities are endless because we offer:

Flexible Schedules, dependent on role
Levels: Student, Entry, Mid, Senior, Management
Locations: Nationwide & OCONUS Positions