New 
Systems Administrator
 Quadrant, Inc. | |
 United States, Virginia, Arlington | |
 Jul 09, 2026 | |
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System Administrator Arlington, VA Pay From: $100,000 per year MUST: Experienced System Administrator 5+ years of relevant experience in application development, systems administration, or enterprise system support environments Active Top Secret/SCI clearance required Ability to provide Tier II/III IT operations support for mission systems and enterprise infrastructure. Ability to perform systems operations, administration, and maintenance including account management, system monitoring, performance tuning, patching, and configuration management. Ability to support server operations and management in classified environments. Ability to support system backup, recovery operations, and storage management to ensure system availability and data integrity. DoD IAT Level II certification (e.g., Security+, CCNA Security, or equivalent) required for privileged access to DoD information systems DUTIES: Analyze functional system requirements and implement software or system enhancements supporting mission applications. Provide Tier II/III IT operations support for NCCS systems and associated enterprise services within the SCI environment. Perform systems operations, administration, and maintenance including account management, performance monitoring, log auditing, and system configuration management. Install, configure, test, and deploy operating system updates, security patches, and software upgrades in accordance with approved change control procedures. Support client operations and management including configuration, maintenance, and administration of Windows-based enterprise client systems. Support server operations and management to ensure operational availability of enterprise servers and mission applications. Perform system backup and recovery operations, validating backup integrity and supporting disaster recovery procedures. Support incident and problem management activities, documenting and resolving system incidents in accordance with established ITIL service management procedures. Maintain technical documentation, operational procedures, and system configuration records supporting JSSC operations. Participate in configuration management processes including Change Advisory Board (CAB) reviews and implementation of approved system changes. Support operational continuity and COOP relocation activities as directed during contingency operations or exercises. Quadrant is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, status as a protected veteran, or status as an individual with a disability. "Healthcare benefits are offered to all eligible employees according to compliance mandated by the Affordable Care Act". | |