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Senior Proposal Solution Architect

Job in Reston, Fairfax County, Virginia, 22090, USA
Listing for: CACI International Inc
Full Time position
Listed on 2026-11-04
Job specializations:
  • Engineering
    Systems Engineer
Salary/Wage Range or Industry Benchmark: 115000 - 252000 USD Yearly USD 115000.00 252000.00 YEAR
Job Description & How to Apply Below

Job Title:

Senior Proposal Solution Architect

Job Category:
Engineering

Time Type:
Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type:
Regular

Percentage of

Travel Required:

Up to 50%

Type of Travel:
Continental US

Anticipated Posting End: 3/31/2027

The Opportunity

CACI is seeking an experienced Senior Solution Architect to lead technical solution development for strategic Department of War Space Systems Engineering opportunities. In this role, you will own the end-to-end solution development process, from customer engagement and opportunity shaping through proposal submission and transition to execution. You'll work alongside Business Development, Capture, Engineering, and Proposal teams to develop innovative, mission-focused solutions that leverage CACI's products, technologies, and engineering expertise to solve our customers' most challenging problems.

Responsibilities
  • Lead end-to-end technical solution development for strategic capture and proposal efforts.
  • Develop differentiated solutions across Space Systems Engineering, Mission Engineering, Platform Integration, C5

    ISR, AI/ML, and Software Integration.
  • Translate customer requirements into executable technical architectures, implementation approaches, staffing strategies, and proposal content.
  • Lead solution contributor to cross-functional teams spanning Business Development, Capture, Engineering, Proposal, Pricing, and Product Management.
  • Evaluate technologies, conduct trade studies, and develop technical discriminators that improve competitive positioning.
  • Support both classified and unclassified proposals while ensuring technical quality, compliance, and consistency.
  • Represent CACI's Space capabilities through customer engagements, technical briefings, white papers, demonstrations, and strategy sessions.
  • Mentor other Solution Architects and contribute to proposal reviews and technical solution assessments.
Qualifications

Required:

  • 10+ years of solution architecture, systems engineering, or technical leadership experience supporting DoD or Intelligence Community programs.
  • Bachelor's degree in engineering, Computer Science, Systems Engineering, or a related technical discipline.
  • Demonstrated success leading technical solution development for large Federal capture and proposal efforts ($100M+ TCV preferred).
  • Experience developing solutions involving one or more of the following:
    Space Vehicle development, Ground Systems or Mission Engineering, C5

    ISR, Platform Integration, AI/ML, HW/SW Integration
  • Ability to translate customer requirements (PWS, SOO, CONOPS, etc.) into compelling technical solutions.
  • Strong communication, leadership, and customer engagement skills.
  • Active TS/SCI security clearance with required polygraph.
Desired
  • Experience supporting Space Force, Army, USSOCOM, Air Force, Navy, DARPA, DIU, or other defense organizations.
  • Experience supporting NRO, NSA, or other intelligence community organizations.
  • Knowledge of space systems, satellites, SIGINT, GEOINT, COMINT, ELINT, or mission systems integration.
  • Familiarity with MBSE, Agile/Dev Sec Ops , AI/ML, and Modular Open Systems Architecture (MOSA/SOSA).
  • Experience with GSA FEDSIM/AAS or other major DoD acquisition organizations
What You Can Expect A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust…

Position Requirements
10+ Years work experience
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