Senior Software Engineer

What You’ll Do

• Support DoW software acquisition and sustainment efforts in alignment with DoD 5000-series guidance, including architecture analysis, engineering, integration, testing, deployment, and sustainment planning
• Provide software development expertise for a DoW planning and readiness application supporting mission readiness
• Analyze lifecycle artifacts associated with two or more planning applications and propose methods to combine them into a common baseline
• Advises and develops prototype capability for government stakeholders on software design decisions, technical risks, modernization strategies, and tradeoffs associated with large, legacy-dependent systems
• Lead software development efforts from concept through deployment, with an emphasis on C++ and browser supported languages like C#, Java, and Angular
• Demonstrate software architecture expertise by developing and maintaining design artifacts such as data-flow diagrams, sequence diagrams, interface control definitions, and quality attribute specifications to support scalable, maintainable, and resilient solutions
• Analyze existing source code, interfaces, and data flows to identify technical debt, sustainment risks, and modernization opportunities
• Build prototypes and technical demonstrations to reduce risk, inform acquisition decisions, and mature emerging capabilities
• Lead and mentor development teams, promoting disciplined engineering practices, continuous improvement, and mission focus
• Support customer engagements such as technical interchange meetings (TIMs), design reviews, and acquisition milestone activities, providing clear, defensible technical input
• Stay current on emerging technologies, software engineering best practices, and digital modernization initiatives relevant to sustainment and maintenance systems

Who You Are

• Ability to obtain and maintain an active Department of War (DoW) security clearance; an existing SECRET or higher clearance is preferred
• Experience leading, architecting, or developing large-scale acquisition programs
• Experience with developing mission and safety critical embedded software applications
• Proven experience supporting major DoW acquisition organizations
• Proven experience designing and implementing complex software architectures for mission-critical or sustainment-focused systems based on new and existing system and software requirements with varying levels of uncertainty
• Proven experience in developing new and maintaining existing software documentation artifacts with emphasis on views and models across the full Software Development Lifecycle through modern tools and approaches
• Proven experience in structured verification and validation activities in planning and execution of system and software level test activities
• Demonstrated ability to identify and balance architectural drivers, tradeoffs, extensibility, and long-term maintainability
• Demonstrated success leading technical teams and engaging credibly with government and contractor stakeholders
• Excellent analytical, problem-solving, and communication skills, with the ability to convey complex technical concepts to senior government decision-makers
• Willingness to work directly with U.S. military and government customers in mission-focused environments
• Ability to travel up to 25% to SEI offices, sponsor sites, conferences, and offsite meetings

Why Work Here?

• Comprehensive health insurance
• Tuition benefits
• Generous time off
• A robust retirement savings policy
• Monthly contribution to retirement plan with no personal contribution required
• Access to tuition benefits for yourself and your dependent children
• Paid parental and military leave
• Relocation assistance
• Many other benefits