Lead Systems Architect (2026-0090) with Security Clearance

Acclaim Technical Services, founded in 2000, is a leading cyber operations, intelligence solutions and operations, network infrastructure, engineering and business enablement and enterprise operations company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) company, which is uncommon within our business sector. We see this as a significant strength, and it shows: ATS is consistently ranked as a top workplace among DC area firms and continues to grow. We are actively recruiting for a Lead Systems Architect with a current TS/SCI w/ Poly tosupport our Network Solutions Division, based in Northern Virgnina. Required Education and Experience: * TS/SCI with poly * Bachelor's degree (or 10+ years IC experience in lieu) * Minimum 10 years systems engineering, incl. 5+ years as lead architect for multi-component solutions * Authored/managed ≥15 system-level requirements sets through all engineering phases Desired Skills and Experience: * Formal modeling (MBSE/SysML) * Architecture review board participation * TOGAF certification * Demonstrated reduction of integration defects or timelines