Senior Software Engineer - Clearance Required

Basic Qualifications

• Experience with programming languages such as C, C++
• Ability to work with multi-disciplined teams
• Experience with full software life cycle development including SW design, architecture and integration & test
• Bachelor’s degree in computer science, Aerospace Engineering or other related degree program from an accredited college/university
• Active/Final Secret Clearance

E1073:
Software Engineer Sr

We are hosting a Lockheed Martin Space In-Person hiring event in April of 2026. This event will be by invitation only and will take place near or in Littleton, CO. The actual date and location will be disclosed at a later date. Please apply to be considered.

We are hiring levels 2-5. If you are interested in joining Lockheed Martin as a software engineer, please apply to this requisition.

This hiring event is for experienced professionals with an active security clearance and this event is for external applicants only.

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.

Lockheed Martin Space is seeking a full time Software Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements analysis, object-oriented analysis & design, code & unit test, integration, and support to formal test/delivery.

• Real Time Operating System (RTOS) experience – (Green Hill or VxWorks)
• Knowledge of Agile Software Development
• Excellent written and verbal communication skills
• Knowledge of Model Base Systems Engineering (MBSE)
• Previous experience writing and designing to software requirements

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.

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

Employee will work on-site full-time

First

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.

9x80 every other Friday off

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

Top Secret

SPACE

Multiple

72D0A00:
Embedded Software

Software Engineering

Experienced Professional

Littleton, CO

Littleton

80125

No

Possible

Full-Time

Direct

At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility.

Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility. If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs,…