Senior Proposal Architect — Federal Defense Solutions

Huntington Ingalls Industries; Fairfax (VA); On-site; USD 162,000 - 210,000; Full time

Job summary

HII Mission Technologies seeks a Senior Proposal Solution Architect to lead the design of executable solutions for U.S. defense and federal customers.

Based in Fairfax, VA or McLean, VA, the role spans business development, capture, proposal, and operations to ensure technically sound, competitively differentiated outcomes. The architect shapes win strategies, collaborates with cross-functional teams, and guides solution development across multiple domains, including C5ISR, cyber, and AI/ML.

Qualifications

• 15 years relevant experience with Bachelor’s in related field; 13 years relevant experience with Masters in related field; 10 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 19 years relevant experience.
• 9+ years of experience in solution architecture, systems engineering, or technical leadership within defense or federal contracting.
• Active DoD SECRET security clearance.

Responsibilities

• Lead requirement analysis and decomposition for complex federal opportunities.
• Translate customer mission needs into actionable technical and management architectures.
• Develop solution concepts, trade-off analyses, and recommend approaches.
• Define architectures across domains (e.g., C5ISR, cyber, AI/ML, EW, unmanned systems).
• Ensure solutions meet open architecture, cybersecurity, and interoperability standards.

Skills

Solution architecture

Systems engineering

Technical leadership

DoD processes

Risk management

Cost estimation

Communication skills

Job description

HII Mission Technologies seeks a Senior Proposal Solution Architect to lead the design of executable solutions for U.S. defense and federal customers.

Based in Fairfax, VA or McLean, VA, the role spans business development, capture, proposal, and operations to ensure technically sound, competitively differentiated outcomes. The architect shapes win strategies, collaborates with cross-functional teams, and guides solution development across multiple domains, including C5ISR, cyber, and AI/ML.