Experienced Software Engineer

Company: Lockheed Martin
Location: Littleton
Posted on: October 31, 2025

Job Description:

Job ID: 704255BR Date posted: Sep. 04, 2025 Program: Event REQ Description: As we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world's hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible products? We provide the resources, inspiration and focus-if you have the passion and courage to dream big, then we want to build a better tomorrow with you. Bring your experience and passion for engineering to Lockheed Martin, and build the systems which support our nation's defense systems. In this role, you will design, develop, and integrate software solutions that support complex space and defense missions. You will collaborate with systems engineers, hardware engineers, and cybersecurity specialists to ensure reliable, secure, and high-performing software for both embedded and large-scale system environments. From spacecraft flight software to ground-based command and control systems, your work will directly contribute to advancing national security and space exploration. What does this role look like? • Develop, test, and integrate software using C, C++, Java, and C# across embedded and system-level applications. • Implement real-time operating systems (RTOS) solutions for mission-critical and safety-critical applications. • Apply DevSecOps practices to enable secure, automated software development, testing, and deployment pipelines. • Collaborate across multi-disciplinary teams to support system-level design, integration, and validation. • Perform troubleshooting, debugging, and performance optimization in complex environments. • Support software documentation, configuration management, and compliance with cybersecurity standards. • Contribute to technical reviews and provide input on design decisions to ensure software meets program requirements. Important Notes • Candidates may be subject to a government security investigation and must meet eligibility requirements for access to classified information. • Applying to this Expression of Interest opportunity introduces you to Lockheed Martin's job opportunities and promotes you to managers who are interested in hiring for multiple roles. • You can't and will not be hired on this requisition. Actual job responsibilities, levels, and locations will vary based on actual hiring job postings. Basic Qualifications: • Bachelor's degree in Computer Science, Software Engineering, Electrical Engineering, or related technical discipline (or equivalent experience). • Proficiency in software development using C, C++, and Java in real-time or embedded systems. • Experience with Real-Time Operating Systems (RTOS) and low-level software integration. • Understanding of software development life cycle (SDLC), version control, and configuration management practices. • Familiarity with DevSecOps principles, including secure coding practices, automated builds, testing, and deployment pipelines. • Ability to work in multi-disciplinary system environments, interfacing with hardware, firmware, and systems engineering. • Strong problem-solving skills and ability to analyze/debug complex systems. • U.S. Citizenship with an active Secret or Top Secret security clearance. Desired Skills: • Master's degree in Computer Science, Software Engineering, or related discipline. • Proficiency with C# or C3 (depending on context of C3 environment-Command, Control, and Communications software or specific C3 programming tools). • Experience developing safety-critical or mission-critical systems. • Knowledge of secure coding standards (e.g., MISRA, CERT C/C++) and cybersecurity best practices. • Hands-on experience with DevSecOps toolchains (e.g., GitLab CI/CD, Jenkins, Docker, Kubernetes, SonarQube, Coverity). • Background in real-time embedded systems development and performance optimization. • Familiarity with communication protocols, middleware, or distributed systems. • Experience with space, defense, or aerospace software systems development. • Strong communication skills with ability to collaborate across systems, hardware, and test engineering teams. • Active DoD security clearance highly preferred. 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 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. This position is incentive plan eligible. 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. 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, and apply for roles that align with your qualifications. Experience Level: Experienced Professional Business Unit: SPACE Relocation Available: Possible Career Area: RF Engineering Type: Full-Time Shift: First

Keywords: Lockheed Martin, Littleton , Experienced Software Engineer, IT / Software / Systems , Littleton, Colorado