Systems Administrator with Security Clearance

TEKsystems is seeking candidates who can deliver subject matter expertise supporting enterprise systems and infrastructure, ensuring availability, security, and operational performance of mission-critical platforms. Responsibilities include system administration, server and client operations, backup and recovery, and storage management in accordance with established operational procedures. The position supports continuous operations, including on-call and contingency response requirements. Responsibilities: • Analyze functional system requirements and implement software or system enhancements supporting mission applications. • Provide Tier II/III IT operations support for 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 program 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. Additional Information • On-site at the Pentagon. • Day shift position Requirements • Active Top Secret security clearance with SCI eligibility • DoD IAT Level II certification (e.g., Security+, CCNA Security, or equivalent) required for privileged access to DoD information systems • Minimum 5 years of relevant experience in application development, systems administration, or enterprise system support environments • 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.