Senior Systems Architect — Mission-Critical IC Solutions

Leidos; Chantilly (VA); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos in Chantilly, VA is seeking a Sr. Systems Architect to shape mission-critical IT architecture on the Chinook program. You will analyze baselines, mature models, and drive alignment with requirements.

In this role you will mentor teams, perform architectural reviews, and ensure compliance with IC directives. US citizenship and TS/SCI clearance are required. The position offers diverse locations and a competitive pay range.

Qualifications

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

Responsibilities

• Analyze and mature existing IT architecture baselines into comprehensive, scalable design models.
• Develop and govern IT architecture documentation across system, data, and security domains.
• Establish traceability between artifacts, requirements, and deployed solutions.
• Use architecture tools to generate and manage blueprints and diagrams.
• Lead architectural reviews and present concepts to technical and non-technical stakeholders.
• Ensure designs adhere to Enterprise Architecture standards and IC directives.
• Mentor downstream development and engineering teams.

Skills

Enterprise Architecture

Traceability

Architecture Modeling

Technical Writing

Agile

Education

Bachelor's degree in CS/CE/SE or related technical discipline

Master's degree (preferred)

Tools

Sparx EA

Cameo

MagicDraw

Job description

Leidos in Chantilly, VA is seeking a Sr. Systems Architect to shape mission-critical IT architecture on the Chinook program. You will analyze baselines, mature models, and drive alignment with requirements.

In this role you will mentor teams, perform architectural reviews, and ensure compliance with IC directives. US citizenship and TS/SCI clearance are required. The position offers diverse locations and a competitive pay range.