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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - **Company:** SNC LTD - **Location:** Lakewood, CO, United States - **Experience:** Expert - **Salary:** $165,000.0 - $227,000.0 - **Contract:** Permanent contract - **Skills:** C (Programming Language), HTML, Java (Programming Language), Artificial Intelligence, Bash Shell, C Sharp (Programming Language), C++ (Programming Language), Cloud Computing, Static Program Analysis, Software Documentation, Code Review, Cyber Security, Data Structures, Desktop Computing, Firmware, Infrastructure as a Service (IaaS), Industry Standard Architecture, Python (Programming Language), Machine Learning, Scrum Methodology, Real-Time Operating Systems, Software Tools, Software Engineering, Software Systems, Systems Architecture, C4ISR, Information Technology, Software Performance, Vulnerability Analysis - **Published:** August 22, 2026 - **Apply:** https://snc.wd1.myworkdayjobs.com/SNC_External_Career_Site/job/Lone-Tree-CO/Principal-Software-Engineer_R0030193 ## About the Role * Bachelor's degree in Computer Science, Software Engineering, or related field; Master's degree preferred. * 14+ 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. * Extensive leadership experience in software development. * Demonstrated knowledge of engineering principles and practices. * Experience working in multi-disciplinary teams. * An active Secret with the eligibility to obtain a Top Secret / Top Secret with SCI eligibility U.S. Security Clearance is required. Qualifications We Prefer: * Expertise in advanced software technologies (e.g., AI, machine learning, cloud computing). * Experience with real-time operating systems (RTOS) and embedded systems. * Significant experience in the 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. * Experience using the Open Mission System messaging protocol and Universal Command and Control Interface standards. * Experience supporting mission system architectures and capabilities Essential Functions: * Ability to work on a computer for extended periods. * Hand/finger dexterity for coding and testing. * Ability to work in a hybrid environment with occasional travel. ## Description Reposted 14 Hours Ago Be an Early Applicant In-Office Lone Tree, CO, USA 165K-227K Annually Expert/Leader In-Office Lone Tree, CO, USA 165K-227K Annually Expert/Leader Lead technical direction and strategy for advanced aerospace software systems. Oversee major projects, mentor engineers, conduct code reviews, define requirements, ensure performance and regulatory compliance, and drive continuous improvement across multidisciplinary teams. The summary above was generated by AI Do you enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. As a Principal Software Engineer, you will provide technical leadership and strategic direction for the development and optimization of advanced software systems for aerospace applications. You will lead major projects, mentor engineering teams, and drive innovation to achieve superior software performance. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations - with an unrivaled record of on time and on (or under) budget deliveries., * Provide technical leadership and direction for the development of advanced software systems. * Collaborate with cross-functional teams to ensure software meets performance, quality, and regulatory standards. * Lead the creation and maintenance of detailed software documentation, including design specifications and user manuals. * Mentor and guide engineering teams on technical best practices and innovation. * Conduct high-level code reviews and provide strategic feedback. * Define and implement software requirements and specifications in collaboration with stakeholders. * Drive major continuous improvement initiatives to enhance software performance and reliability. * Represent the software engineering function in high-level strategic meetings and decision-making processes., Provides senior technical leadership for complex software engineering programs supporting electronic warfare, secure communications, radar warning, and electronic attack systems. Responsibilities include designing, implementing, testing, and evaluating C++ software in Linux environments; presenting technical designs to customers; mentoring engineers; improving development processes; and collaborating with systems, hardware, and test teams throughout the product lifecycle. The role is fully onsite and requires an active DoD Secret clearance. Top Skills: AgileBitbucketC++ClearcaseComptia Security+ConfluenceContinuous IntegrationGitJIRALinux, Ericsson ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. 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