Senior Systems Architect: Modernization & Interoperability

Diaconia; Springfield (VA); On-site; USD 145,000 - 165,000; Full time

Job summary

Diaconia is seeking an experienced Senior Systems Engineer/Architect to support modernization initiatives by delivering technical systems engineering, architecture, and integration expertise. You will analyze requirements, evaluate solutions, and develop engineering products enabling modernization across mission systems.

Under SME leadership, you will support analyses, roadmaps, technology assessments, transition planning, and collaborate with government stakeholders and multidisciplinary teams.

Qualifications

• Bachelor's degree in engineering, computer science, information systems, systems engineering, cybersecurity, or related technical discipline.
• 10+ years of systems engineering, solution architecture, systems integration, or related IT modernization roles.
• Experience analyzing complex technical requirements and developing engineering/architecture products.
• Experience evaluating interoperability and impacts across enterprise systems.
• Experience supporting AoA, trade studies, and technical assessments.
• Experience collaborating with technical, mission, and stakeholder teams on modernization efforts.
• Strong analytical, written, verbal, and presentation skills.

Responsibilities

• Analyze mission, operational, business, and technical requirements to support enterprise modernization initiatives.
• Develop and maintain systems engineering and architecture documentation, including requirements, interface analyses, and technical recommendations.
• Evaluate solution alternatives and support AoA, trade studies, and technology assessments.
• Assess system interoperability, interface dependencies, and integration impacts across enterprise environments.
• Support modernization planning, transition strategies, and implementation roadmaps.
• Conduct technical risk assessments and provide mitigation recommendations.
• Assist with open architecture initiatives, API strategies, and data exchange solutions.
• Coordinate with government stakeholders and multidisciplinary teams to ensure alignment.

Skills

System engineering

Architecture

Requirements analysis

Analytical thinking

Written communication

Verbal communication

Presentation skills

Cross-team collaboration

Education

Bachelor's degree in engineering or related field

Tools

ServiceNow

Job description

Diaconia is seeking an experienced Senior Systems Engineer/Architect to support modernization initiatives by delivering technical systems engineering, architecture, and integration expertise. You will analyze requirements, evaluate solutions, and develop engineering products enabling modernization across mission systems.

Under SME leadership, you will support analyses, roadmaps, technology assessments, transition planning, and collaborate with government stakeholders and multidisciplinary teams.