Senior Systems Architect: Mission-Critical Enterprise Design

Leidos; Gaithersburg (MD); On-site; USD 140,000 - 200,000; Full time

Job summary

Leidos seeks a Senior Systems Architect to help shape and deliver mission-critical IT architecture for the Chinook Program supporting an Intelligence Community customer. You will transform complex requirements into scalable design artifacts and lead cross-functional collaboration across software, systems, and product teams in an Agile environment.

Primary responsibilities include maturing architecture baselines, maintaining documentation across domains, and ensuring traceability between

Qualifications

• US citizenship is required per contract.
• Bachelor's degree in Computer Science, Computer Engineering, Systems Engineering or related technical discipline with 8–12 years of experience.
• Active Top Secret/SCI with ability to pass a Polygraph.
• Experience designing and implementing enterprise-scale systems.
• Ability to map and manage complex traceability matrices.
• Experience with architecture development tools (Sparx EA, Cameo, MagicDraw).
• DoD/Intel contract experience a plus.
• Knowledge of DoDAF or TOGAF frameworks.

Responsibilities

• Analyze and mature existing IT architecture baselines into scalable design models.
• Develop, maintain, and govern architecture documentation across system, data, and security domains.
• Establish traceability between artifacts, requirements, and deployments.
• Utilize architecture tools to generate structural blueprints and diagrams.
• Lead architecture reviews and present concepts to stakeholders.
• Ensure designs adhere to Enterprise Architecture standards and IC directives.
• Provide mentorship and guidance to development teams.

Skills

Technical writing

Verbal communication

Analytical thinking

Architectural design

Systems thinking

Education

Bachelor's degree in CS/CE/SE

Master's degree (preferred)

Tools

Sparx EA

Cameo

MagicDraw

Job description

Leidos seeks a Senior Systems Architect to help shape and deliver mission-critical IT architecture for the Chinook Program supporting an Intelligence Community customer. You will transform complex requirements into scalable design artifacts and lead cross-functional collaboration across software, systems, and product teams in an Agile environment.

Primary responsibilities include maturing architecture baselines, maintaining documentation across domains, and ensuring traceability between