Sr. Software Engineer

Sr. Software Engineer Date: Oct 9, 2026 Location: Annapolis Junction, MD, Maryland, United States Company: HII's Mission Technologies division Requisition Number: 30593 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $135,000.00 - $215,000.00 Security Clearance: TS/SCI with Poly Level of Experience: Senior This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation's intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners. Leadership Mindset at HII – Mission Technologies Leadership at HII is a mindset, not a title. Through our Leadership Capability Framework, we define how every team member contributes to our mission and culture: Know & Grow Your People – Commit to learning and supporting team success. Build Relationships – Communicate openly, collaborate well, and build trust. Take Ownership – Deliver on commitments and take pride in your work. Customer First – Focus on the mission and those we serve. Shape the Future – Bring ideas, curiosity, and continuous improvement. Act with Urgency – Take initiative and follow through with purpose. These capabilities guide how all employees contribute to our shared success across Mission Technologies. Job Description Warfare Systems (WS), a division of HII Mission Technologies provides full-spectrum cyber, EW, and space capabilities that address today's rapidly changing, multi-domain global security threats, and anticipate emerging threats. We are a diverse organization offering competitive and challenging opportunities to highly motivated and talented individuals. 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. Minimum Qualifications 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 HII Mission Technologies division