> Markdown version of [/jobs/ext/4514073-sr-software-engineer-with-security-clearance](https://www.wearedevelopers.com/jobs/ext/4514073-sr-software-engineer-with-security-clearance). 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). --- # Sr Software Engineer with Security Clearance - **Company:** Sierra Nevada Corporation. - **Location:** Littleton, CO, United States - **Experience:** Expert - **Salary:** $143,487.0 - $197,295.0 - **Contract:** Permanent contract - **Skills:** C (Programming Language), HTML, Java (Programming Language), Bash Shell, C Sharp (Programming Language), C++ (Programming Language), Static Program Analysis, Software Documentation, Code Review, Data Structures, Inter-Process Communication, Industry Standard Architecture, Python (Programming Language), Multiprocessing, Scrum Methodology, Real-Time Operating Systems, Software Tools, Software Licensing Audit, Software Engineering, Software Systems, Transmission Control Protocol (TCP), Multithreading, Information Technology, Software Performance - **Published:** November 2, 2026 - **Apply:** https://www.adzuna.com/details/5863794105 ## About the Role * Ensure software compliance with industry standards and regulations. Qualifications You Must Have: * Bachelor's degree in Computer Science, Software Engineering, or related field. * 10+ years of experience in experience in software development. * Higher level relevant degree may substitute for experience. * Expert proficiency in programming languages such as C++, Java, or Python. * Demonstrated knowledge of engineering principles and practices. * Experience working in multi-disciplinary teams. Qualifications We Prefer: * Experience with digital manufacturing and Industry 4.0 technologies. * Experience with multiprocessing and multithreaded applications. * Experience with inter-process communication( TCP, UDP, etc.). * Experience with real-time operating systems (RTOS) and embedded systems. * Extensive background in Aerospace and Defense industry. * Understanding of industry standard software languages such as C, C#, C++, HTML, Java, Python, and Bash. * Experience with software tools for requirements tracking, code reviews, static analysis, library and artifact repository, and automated build. * Knowledge of software development methodologies such as Agile/Scrum, Waterfall, and Spiral. * Proficient with data structures. Essential Functions: * Ability to work on a computer for extended periods. * Hand/finger dexterity for coding and testing. ## Description Do you enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. As a Senior Software Engineer, you will be responsible for driving the strategic development and continuous improvement of software systems for cutting-edge aerospace applications. You will lead cross-functional teams and projects to ensure software excellence. The Mission Solutions and Technologies (MST) business area provides affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long legacy of supporting the Department of Defense, Department of Homeland Security, commercial and international customers with years of experience in platform operations, engineering and full lifecycle management across domains - air, land, sea, space and cyber. Responsibilities: * Lead strategic projects to develop and optimize software systems for aerospace applications. * Collaborate with design, hardware, and quality teams to ensure software meets performance and quality standards. * Develop and maintain comprehensive software documentation, including design specifications and user manuals. * Mentor and coach junior engineers on best practices and technical skills. * Conduct advanced code reviews and provide constructive feedback. * Define and implement software requirements and specifications in collaboration with stakeholders. * Drive and lead continuous improvement initiatives to enhance software performance and reliability.