End-to-End Solution Architect

Position Title:

End-to-End Solution Architect

Location:

Washington, D.C. (Hybrid – minimum 3 days on-site per week)

Clearance Requirement:

Active Secret clearance or higher

Position Status:

Contract-to-Hire (6-month CTH)

Conversion Salary:

$220,000

Position Description:

We are seeking an experienced

End-to-End Solution Architect

to serve as the architectural leader for a large-scale IT modernization initiative supporting a Federal Civilian agency. This is a high-visibility role that sits at the intersection of engineering excellence and executive stakeholder engagement — ideal for a senior architect who thrives designing future-state enterprise solutions and translating complex technical strategy into clear, actionable roadmaps.

You will own the end-to-end architecture, guide cross-functional teams, govern architecture compliance, and directly shape how a critical federal mission system evolves for the next generation.

Key Responsibilities:

- Lead the design and ownership of end-to-end solution architecture aligned to mission and operational objectives; define system boundaries, interfaces, dependencies, and data flows

- Develop and maintain the target architecture, technology roadmap, and concept of operations in collaboration with customers, PMO leadership, and technical teams

- Drive architecture governance — establish review processes, define frameworks and best practices, and provide architectural review of engineering deliverables

- Conduct structured analyses of alternatives (AoA/trade studies) to evaluate and validate solution approaches before enterprise rollout

- Incorporate human factors, organizational change, and lifecycle cost considerations into architecture planning; support O&M cost optimization and sustainment strategy

- Create and present architecture artifacts, briefings, and documentation for both technical and executive audiences

- Mentor engineering teams on architectural patterns, emerging technologies, and solution engineering best practices

- Partner with UX, Product Management, and Operations to deliver high-quality, integrated solutions

- Support federal IT cybersecurity risk management processes and controls across the system lifecycle

Required Qualifications:

- Active Secret clearance (or higher)

- 12+ years of professional experience, including 5+ years in a Solution Architect or Enterprise Architect role

- Bachelor's degree in Systems Engineering, Computer Science, Information Technology, or related technical field (4 years of additional experience may substitute)

- Demonstrated success leading architecture design for large, complex federal or enterprise systems

- Experience integrating architecture practices with PMO/program leadership, budget planning, contract strategy, and vendor management

- Strong stakeholder engagement skills — comfortable presenting to both senior leadership and technical teams

- Expertise in 3 or more of the following: Software Design & Development, Software Delivery & Operations, Systems Engineering, Cybersecurity Engineering, Infrastructure Services, Cloud Infrastructure, or Technology Modernization

- Strong written and oral communication skills; proven ability to lead and influence technical teams

- Experience developing formal architecture documentation artifacts and governing architecture compliance

Preferred Qualifications:

- Deep expertise with

Azure cloud services

and cloud-native architecture design and migration

- Experience with

ServiceNow

platform development and integration

- Familiarity with advanced analytics, ML/Ops, and enterprise-scale data ingestion pipeline architecture

- Experience designing solutions for

classified environments

, including secure data integration and cross-domain transfers

- Knowledge of

DevSecOps

principles and secure development practices

- Experience with formal EA/SA methodologies: UAF, TOGAF, Arcadia, ArchiMate, SysMLv2

- Experience designing and operationalizing

Generative AI / LLM-based capabilities

within enterprise environments, including governance, safety controls, and production integration

- Experience integrating architecture with

SAFe® Agile

development methodologies

- Experience with distributed systems, APIs, and cloud-native application design

- Relevant certifications: Azure Solutions Architect Expert, SAFe®, TOGAF, ServiceNow Certified Technical Architect or Certified Master Architect

About Seneca Resources

At Seneca Resources, we are more than just a staffing and consulting firm — we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.

When you work with Seneca, you're choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way.

Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.