Leidos has an immediate opening for a Senior Solution Architect to join our Mission Solutions team in Chantilly, VA.

We are seeking a Senior Solutions Architect who can think beyond any single domain—and lead the development of sophisticated, mission-critical solutions across AI, Cybersecurity, Enterprise IT, Biochemical and Life Sciences, Open-Source Intelligence, Data Analytics, Modeling & Simulation, and other emerging technical arenas.
As a senior technical leader, you bring years of experience architecting complex systems, guiding diverse teams, and shaping strategy at the highest levels. You don’t just understand one technology—you understand how technologies interact, how missions evolve, and how to engineer solutions that solve real-world problems with creativity, clarity, and technical rigor.

This is a role for someone who thrives on tackling the unknown. As a key member of the CTO team, you will be the person customers and capture teams turn to when they ask, “How do we solve this?”—and you will craft the technical approach that becomes the foundation of winning proposals and successful programs.

Primary Responsibilities:

• What You’ll Do

• Lead the technical vision for complex, enterprise-scale solutions across any domain—AI/ML, Agentic AI, Cyber, Cloud, Digital Modernization, Intelligence Analysis, Enterprise IT, or full mission software solutions.

• Architect end-to-end solutions that respond to hard mission problems, ambiguous requirements, and emerging threats with innovative, executable designs. Author technical volumes, whitepapers, and responses to RFPs/RFIs—translating technical innovation into clear, compelling customer value. Conduct thorough requirements analysis and translate customer needs into actionable technical specifications

• Guide and influence cross-disciplinary teams, bringing together SMEs from multiple technical areas to shape cohesive architectures.

• Drive technical capture and proposals by developing solution strategies, authoring technical narratives, and ensuring the approach aligns with customer needs and mission realities.

• Engage customers and partners to translate requirements into actionable architectures and explain technical concepts at both visionary and detailed levels.

• Insert new technologies—including AI/ML, automation, cyber resilience, data engineering, modeling, and advanced analytics—into future-looking solutions and roadmaps.

• Serve as a senior technical authority who can confidently operate across multiple domains and guide the broader organization toward innovative, differentiated solutions.

• Influence program direction and ensure proposed solutions are both visionary and executable.

• Partner with the Business Development team to support new business strategies, including the development of technical solutions, basis of estimates, white papers, industry relationships, and

• Basic Qualifications

• Senior architect or engineering leader with experience as a technical lead on government contracts.

• Ability to translate mission needs into multi-domain technical architectures.

• Awareness of leading technology capability providers that enhance our technical solutions

• Experience as a solution architect and/or technical volume lead on captures and proposals

• Experience articulating complex technical concepts to customers, business development, program delivery, technical teams, and executives, both orally and in writing

• Bachelor’s degree with 15+ years of experience of relevant experience in computer science, engineering, data science, or other STEM discipline. Additional years of relevant experience will be considered.

• US citizen with an active TS/SCI with Poly security clearance

• Preferred Qualifications

• Prior experience as lead SA on a proposal

• Experience having worked successful partnerships with suppliers on proposals

• Understanding of competitor/teammate technology offerings

• Record of attracting and retaining technical professionals

• Record of generating business growth through insertion of innovation and technology on existing programs

• Demonstrated experience architecting solutions in multiple domains, such as: AI/ML and intelligent automation, Cybersecurity and cyber resilience, Enterprise IT, cloud, and digital modernization, Data analytics, or intelligence systems, Quantum, or other emerging domains.

• Technical expertise in one or more mission-critical domains—AI, Cyber, Quantum, Software Engineering, Digital Modernization, Cloud Migration, or Mission Operations with proven ability to apply it to shape the future of technology.

• Strong technical understanding of AI/ML concepts, autonomous/Agentic AI, cloud migration/architectures, digital modernization, and cybersecurity technologies

• Ideal candidates will have a strong grasp of AI and Machine Learning concepts, including emerging Agentic AI frameworks, Deep Learning, and advanced intelligent systems.

• Awareness of leading technology capability providers that enhance our technical solutions

• Experience advising application teams on migrating legacy systems to cloud-based solutions such as AWS, Azure or Oracle Cloud Infrastructure

• Knowledge of emerging AI governance, ethical AI, and secure development frameworks

• Demonstrated success in technical capture, white paper development, or proposal support

• Ability to conduct technical research into new technologies, evidence gathering to help shape solutions.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

December 11, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $154,050.00 - $278,475.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.