> Markdown version of [/jobs/ext/4670535-cyber-software-eng-sr-e3](https://www.wearedevelopers.com/jobs/ext/4670535-cyber-software-eng-sr-e3). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cyber Software Eng Sr - E3 - **Company:** Lockheed Martin - **Location:** Louisville, CO, United States - **Experience:** Expert - **Salary:** $110,300 - $204,900 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Automation of Tests, C++ (Programming Language), Cyber Security, Computer Engineering, Continuous Integration, Embedded Software, Real-Time Operating Systems, Security Software, Software Engineering, Visual Systems, Gitlab, Information Technology, Programming Languages - **Published:** November 11, 2026 - **Apply:** https://www.jobmonkeyjobs.com/career/28175408/Cyber-Software-Eng-Sr-E3-Colorado-Louisville-1301 ## About the Role * Bachelor degree in Computer Science, Computer Engineering, Aerospace Engineering, or other related degree program from an accredited college/university * 3+ Years Experience with programming languages such as C, C++ * Ability to work in a collaborative and team-based environment * Excellent written and verbal communication skills * Ability and willingness to obtain a Top Secret Clearance Desired Skills * Experience with embedded software/hardware * Experience with Gitlab and CI/CD * Experience with HW/SW Integration * Experience with Optical systems * Experience with RTOS * Prior experience with application development and security of Common Software Framework (CSF) * Familiarity with Cyber security principles; Cyber certifications such as Security+, CySA, etc. are a plus #LMSpaceCyberEng ## Description Lockheed Martin Space is seeking a full-time Experienced Software Engineer to join our Cyber Software development team. In this role you will develop embedded software, create automated test frameworks, and work closely with systems engineers, and hardware teams to ensure that embedded flight software meets stringent aerospace standards for performance, safety, and reliability. Our team supports various programs and this role will support the ACES (Advanced Capabilities Electro-optics & Security) Portfolio. ACES focuses on projects that develop first of its kind optical systems and laser. The successful candidate will have experience with programming languages such as C, C++ and experience with embedded software/hardware.