Senior Solutions Architect

Amentum is seeking a Senior Solutions Architect to serve as an integral member of our Engineering and Technology (E&T) growth team. The Senior Solutions Architect will play a critical role in driving the development of innovative, competitive, and tailored solutions for Federal government proposals. This pivotal role is responsible for translating client needs, capture strategies, and compliance requirements into compelling technical and operational solutions that align with organizational goals and win strategies. The ideal candidate has a strong background in developing solutions for and writing Federal Acquisition Regulation (FAR)-based, Commercial Solution Opening (CSO), or Other Transaction Authority (OTA) proposal artifacts, with expertise in systems engineering, IT, and/or mission support, and excels at defining creative, compliant, and cost-effective approaches to meet and exceed customer requirements.

The Senior Solution Architect will serve as the senior technical architect across selected Federal pursuits. The individual will own the technical strategy and proposal response, including development of the technical solution, staffing approach, implementation considerations, Basis of Estimate inputs, and supporting technical artifacts. They will also act as technical volume manager or lead where required, interview SMEs, integrate partner capabilities, and ensure the final response is technically credible, compliant, customer focused, and aligned to the overall capture strategy. The candidate must be able to proactively engage with key Amentum stakeholders to include Business Development account managers, Capture Managers, Subject Matter Experts, and other Solutions Architects to develop technical solutions and proposal technical responses. This position requires outstanding writing skills as well as the ability to convey complex technical solutions and compliance information within the systems engineering domain space in a highly readable, customer-focused format.

Responsibilities include:

• Serving as the senior technical architect across the pursuit lifecycle and within an integrated growth team, including proposal, capture and business development activities.
• Providing end-to-end thought leadership across proposal responses that include elements such as technical solution, staffing, implementation schedule, and BOE
• Providing expert technical writing capabilities in the development of technical artifacts, white papers, statements of work, briefings and proposals.
• Working with teaming partners to develop technical solutions, integration of teaming partners' capabilities, and pricing strategies, etc.
• Exploring new approaches/enabling technologies to drive solution innovation and improvements and ensure corporate solutions are relevant for current and emerging trends
• Supporting the capture of business and technical requirements and clearly convey them to audiences of varying technical skill levels.
• Leading and mentoring junior staff in responding to RFI's and RFP's
• Working independently and as part of a team in a fast-paced, deadline-oriented work environment, completing multiple complex tasks simultaneously.

Minimum Requirements:

• Ability to obtain and maintain a Secret clearance. Note: US citizenship is required to obtain a Secret clearance.
• 10+ years of experience in FAR-based and OTA Federal technical solutions development, including experience in technical architect roles or pursuit of complex Federal proposals.
• Bachelor's degree in engineering, computer science, information technology, or related field (8+ years of additional experience may be considered as equivalent to Bachelor's degree).
• Strong systems engineering background with specific experience in multidisciplinary systems integration.
• Hands on experience architecting technical solutions for federal proposals rather than contributing only as a technical SME.
• Proven ownership of technical proposal sections or full technical volumes across complex RFI and RFP responses.
• Ability to translate customer needs, capture strategy, compliance requirements, and technical inputs into a clear proposal response.
• Strong understanding of the federal growth lifecycle including Business Development, capture, solutioning, proposal, and customer positioning.
• Outstanding technical writing skills with the ability to explain complex engineering concepts in a highly readable and persuasive format.
• Experience interviewing SMEs and turning technical inputs into structured proposal content.
• Experience across relevant domains such as systems engineering, mission IT, cloud, cybersecurity, operations and maintenance, or mission support.
• Experience working with teaming partners to integrate capabilities, solution approaches, and supporting pricing or Basis of Estimate inputs.
• Demonstrated knowledge of AI and ML platforms and tools.

Preferred Qualificaitons:

• System Engineering expertise within space operations, satellite C2, ground systems, MBSE, enterprise cloud/DevSecOps, and applied AI/ML.
• ITIL, or AWS Solutions Architect certification.
• Certifications in topic-specific areas such as cloud computing, cybersecurity, or project management (e.g., CISSP, PMP).
• Master's degree preferred.

Compensation Details:
$180,000

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance
• Paid time off and holidays
• Retirement benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax-saving options
• Disability and life insurance
• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:
10/28/2026 - Until Filled
Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters .