Senior Proposal Solution Architect (Engineer Systems Architect 5) - 28076

Mission Technologies, a division of HII; Fairfax (VA); Hybrid; USD 110,000 - 150,000; Full time

Benefits offered by this job

Competitive medical, dental and vision plans

401(k) savings plan options

Paid holidays and time off

Tuition reimbursement

Job summary

A leading technology firm is seeking a Senior Proposal Solution Architect to lead the design of innovative solutions for U.S. defense and federal customers. The role involves shaping technical strategies, collaborating with cross-functional teams, and ensuring compliance in proposals. Candidates should have extensive experience in solution architecture, strong communication skills, and an active DoD TOP SECRET security clearance. The position offers a hybrid work environment with competitive benefits.

Qualifications

• 15 years relevant experience with Bachelor's in a related field.
• 9+ years in solution architecture within defense contracting.
• Active DoD TOP SECRET security clearance.

Responsibilities

• Lead design and development of solutions for federal customers.
• Shape technical strategy of bids and proposals.
• Collaborate with teams to ensure compliance and compelling solutions.
• Conduct requirement analysis for complex opportunities.

Skills

Solution architecture

Technical leadership

Communication skills

Risk management

DoD acquisition processes

Education

Bachelor's in a related field

Master's degree in Engineering

Job description

Summary

HII-Mission Technologies is seeking a Senior Proposal Solution Architect to lead the design and development of innovative, executable solutions in response to U.S. defense and federal customer requirements. This position will be based out of our Fair Lakes, VA or McLean, VA office, but can also be based out of one of our other locations. The role bridges business development, capture, proposal and operations teams to ensure solutions are technically sound, competitively differentiated, and aligned with mission outcomes.

Key Responsibilities

• Primary focus: Winning the work.
• Operate in business development, capture, proposals, and pre‑award.
  • Shape the technical strategy of a bid or proposal.
  • Translate customer requirements into a compelling, compliant solution narrative.
  • Work closely with proposal managers, capture teams, pricing, and business development.
  • Determine the solution at a high level to score well against evaluation criteria.
  • Balance win themes, discriminators, compliance, and cost.
  • Ensure the proposed solution is deliverable/executable.
• Capture & Proposal Integration
  • Align solutions with capture strategies, win themes, and discriminators.
  • Collaborate with proposal managers to ensure compliance and compelling narratives.
  • Support oral presentations, demonstrations, and customer engagements.
• Solution Development Framework Execution
  • 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.
• Technical Leadership
  • Develop the technical vision for a proposal solution.
  • Define architectures across domains (C5ISR, cyber, AI/ML, EW, unmanned systems).
  • Ensure solutions meet open architecture, cybersecurity, and interoperability standards.
  • Perform gap analysis and recommend subcontractor and vendor options to fill gaps.
  • Conduct risk assessments and develop mitigation strategies.
  • Review and validate solution designs from other team members.
• Collaboration & Teaming
  • Partner with business development, capture management, operations, and subcontractors to integrate capabilities.
  • Represent the company in customer and industry forums.

Qualifications

• 15 years relevant experience with Bachelors in a related field; 13 years relevant experience with Masters; 10 years relevant experience with PhD or JD; 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.
• Proven track record of developing winning solutions for large federal proposals.
• Deep knowledge of DoD acquisition processes, requirements analysis, and compliance standards.
• Strong communication skills—able to translate technical solutions into compelling business narratives.
• Experience with risk management, cost estimation, and lifecycle sustainment planning.
• Active DoD TOP SECRET security clearance.

Bonus Points

• Master’s degree in Engineering, Systems Architecture, or Business Administration.
• Experience with advanced technologies such as AI/ML, cyber operations, electronic warfare, or unmanned systems.
• Prior involvement in Army, Navy, Air Force, or Space Force modernization programs.
• Familiarity with open systems architecture and modular design approaches.
• Active DoD TS/SCI security clearance.

Working Conditions

• Hybrid work environment: combination of on‑site at corporate offices, customer sites, and remote work.
• Frequent collaboration with cross‑functional teams (capture, proposal, engineering, program management).
• Occasional travel (20–30%) to customer facilities, industry events, and partner sites.
• Fast‑paced environment with tight deadlines aligned to federal acquisition cycles.
• Must be able to work extended hours during critical proposal development phases.

Benefits

• Competitive medical, dental and vision plan choices; wellness resources; employee assistance programs.
• 401(k) savings plan options; financial planning tools, life insurance.
• Employee discounts; paid holidays and paid time off; tuition reimbursement.
• Early childhood and post‑secondary education scholarships.
• Bonus or other non‑recurrent compensation, when applicable, will be addressed by the recruiter during the screening phase.

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, veteran status, or any other basis protected by federal, state, or local law.

Reasonable Accommodation

If you need a reasonable accommodation for any part of the employment process, please send an e‑mail to [e-mail] and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case‑by‑case basis. You may also call 1-844-849-8463 for assistance.