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

Senior Software Engineer Security Clearance

Job in Littleton, Arapahoe County, Colorado, 80120, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-02-08
Job specializations:
  • Engineering
    Software Engineer, Systems Engineer, Embedded Software Engineer
Salary/Wage Range or Industry Benchmark: 93200 - 164450 USD Yearly USD 93200.00 164450.00 YEAR
Job Description & How to Apply Below
Position: Senior Software Engineer with Security Clearance
Job Number 714251

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.

We are seeking a motivated and detail-oriented Embedded Flight Software Test Engineer to join our flight software verification team. In this role you will develop and execute test plans, create automated test frameworks, and work closely with software developers, systems engineers, and hardware teams to ensure that embedded flight software meets stringent aerospace standards for performance, safety, and reliability.

Basic Qualifications:

Bachelor's degree in Electrical Engineering, Computer Engineering, Aerospace Engineering, Computer Science, or a related technical field. Proficiency in C/C++ & Python programming Familiarity with version-control systems Strong analytical and problem-solving skills; ability to work methodically on complex, safety-critical systems. Excellent written and verbal communication skills. Final Top Secret Clearance required to start Ability to obtain a TS/SCI Clearance
Desired

Skills:

Fundamentals of embedded systems and real-time operating systems (RTOS) (e.g., VxWorks, FreeRTOS, Linux RT). Knowledge of model-based development environments (MATLAB/Simulink, SCADE). Familiarity with continuous integration/continuous deployment (CI/CD) pipelines. #LMSpace Software Eng
#spaceembeddedsw
Security Clearance Statement:
This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: TS/SCI
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
Pay Rate:
The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $93,200 - $164,450. For states not referenced above, the salary range for this position will reflect the candidate's final work location. Please note that the salary information 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 and business considerations when extending an offer.
Benefits offered:
Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. (Washington state applicants only) Non-represented…
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