Amentum seeks a Senior Systems/Infrastructure Engineer to join our team supporting a McLean, Virginia customer. The role focuses on Microsoft-based infrastructure, including SQL Server, Exchange, AD, backups, and Cisco networking, with senior-level design, implementation, and troubleshooting responsibilities. The candidate must hold a TS/SCI with Polygraph clearance and U.S.
citizenship. The position involves leading, mentoring, and coordinating across cybersecurity, networking, database,
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