> Markdown version of [/jobs/ext/134775-software-engineer-sr](https://www.wearedevelopers.com/jobs/ext/134775-software-engineer-sr). 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). --- # Software Engineer - Sr - **Company:** Nalley Consulting - **Location:** Reston, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), C++ (Programming Language), Python (Programming Language), Software Maintenance, Software Construction, Software Engineering, Software Requirements Analysis, Software Systems, Information Technology - **Published:** May 20, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8924308/software-engineer-sr ## About the Role Required clearance: TS/SCI with willingness to take CI poly. Candidates with current CI poly taken within the past seven years will be prioritized. Required experience: At least 11 years Required education: Bachelor's degree in Computer Science, Software Development, Mathematics, and 11+ years relevant experience, * 11+ years of experience with years of experience in Python, Java, or C++ * Demonstrated experience with a variety of systematic, disciplined, and quantifiable approaches to the development, operation, and maintenance of software, encompassing techniques and procedures often regulated by a software development process with the purpose of improving the reliability and maintainability of software systems. * Experience establishing software information and engineering requirements that are necessitated by the potential complexity of those software systems, which may contain millions of lines of code. * Experience applying the discipline of software engineering for specific technical problems and procedures, including knowledge, tools, and methods for software requirements, software design, software construction, software testing, and software maintenance tasks. * Demonstrated ability to work effectively within or lead a team of peers, as well as excellent interpersonal and communications skills * Ability to communicate highly technical analyses at a level comprehensible to laymen and senior-level government representatives * Ability to clearly express in writing technical analysis results Other desired skills: * Demonstrated ability writing ICD 203 and ICD 206-compliant finished intelligence production * An active CI polygraph ## Description Nalley Consulting has an opportunity for an experienced Software Engineer to support on-going research and development efforts for functional characterization of WMD facilities and their associated design. ## Related Videos - [Excellent Software Testing](https://www.wearedevelopers.com/videos/87-excellent-software-testing) - [Rethinking Intelligence: AI, Accessibility, and the Future of Inclusive Work - Artur Ortega](https://www.wearedevelopers.com/videos/1377-rethinking-intelligence-ai-accessibility-and-the-future-of-inclusive-work-artur-ortega) - [What is the real price of one successful line of code?](https://www.wearedevelopers.com/videos/1921-what-is-the-real-price-of-one-successful-line-of-code) - [You’re a great coder? That alone won’t get you far: The soft skills secret in IT success](https://www.wearedevelopers.com/videos/1076-you-re-a-great-coder-that-alone-won-t-get-you-far-the-soft-skills-secret-in-it-success) - [Building Systems that Last](https://www.wearedevelopers.com/videos/1389-building-systems-that-last) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know)