> Markdown version of [/jobs/ext/3699178-sr-software-engineer](https://www.wearedevelopers.com/jobs/ext/3699178-sr-software-engineer). 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 - **Company:** HII Mission Technologies - **Location:** Annapolis, MD, United States - **Experience:** Expert - **Salary:** $135,000.0 - $215,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Big Data, Business Software, Software Documentation, Information Systems, Databases, Data Stores, Software Debugging, Linux, DevOps, Simple Data Format, Software Engineering, Real Time Systems, Information Technology, Tools for Reporting - **Published:** October 12, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9230635/sr-software-engineer ## About the Role * BS in Computer Science, Information Systems, Network Engineering or related field. * Twenty (20) years relevant experience. * Four (4) additional years of relevant Software Engineering experience may be substituted for a bachelor's degree. * Ten (10) years' experience programming Linux / Windows operating systems. * Ten (10) years' experience in DevOps using CI/CD pipelines. TS/SCI w/ Poly required for consideration ## Description WS is seeking a Senior Software Engineer to design, develop, maintain, and enhance complex software systems, including analytics tools, large-scale data processing, real-time systems, and business applications. The engineer works independently or on a team, reviewing and testing components for compliance with requirements and resolving software issues. This role applies appropriate development methodologies and contributes to system design, including hardware/software tradeoffs, reuse strategies, COTS/GOTS integration, and requirements analysis from the system level down to individual components. Essential Job Responsibilities * Analyze user requirements to derive software design and performance requirements. * Debug existing software and correct defects. * Provide recommendations for improving documentation and software development process standards. * Design and code new software or modify existing software to add new features. * Integrate existing software into new or modified systems or operating environments. * Develop simple data queries for existing or proposed databases or data repositories. * Write or review software and system documentation. * Serve as team lead at the level appropriate to the software development process being used on any particular project. * Design or implement complex database or data repository interfaces/queries. * Develop or implement algorithms to meet or exceed system performance and functional standards.