Sr. Software Engineer

Sr. Software Engineer Date: Aug 29, 2026 Location: Annapolis Junction, MD, Maryland, United States Company: HII's Mission Technologies Division Requisition Number: 28827 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. This posting is to collect applications for current and future openings for HII Mission Technologies. Candidates will be screened as opportunities come available and selected candidates will be contacted about an opportunity. 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 The listed salary range for this role is intended as a good faith estimate based on the role's location, expectations, and responsibilities. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills. Meet HII's Mission Technologies Division Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that's right for you. Apply today. We look forward to meeting you. HII is more than a job - it's an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application. Why HII We build the world's most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. Recognized as one of America's top large company employers, we are a values and ethics driven organization that puts people's safety and well-being first. Regardless of your role or where you serve, at HII, you'll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career. Together we are working to ensure a future where everyone can be free and thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law. Do You Need Assistance? If you need a reasonable accommodation for any part of the employment process, please send an e-mail to View email address on click.appcast.io and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis. HII Mission Technologies division