Senior Linux System Administrator

Job Requirements Springfield, VA Intel Agency (NSA, CIA, FBI, etc) Full Scope Polygraph Mid Level Career (5+ yrs experience) $125,000 - $150,000 Job Description DHI Group is a leading provider of specialized workforce solutions, connecting top talent with mission-driven organizations across the defense and intelligence community. As an employer on the Bobcat program, DHI Group offers competitive benefits, a strong culture of professional development, and the resources to support cleared professionals throughout their careers. Overview DHI Group is seeking an experienced System Administrator to support the Bobcat program in Springfield. This individual will provide comprehensive IT systems engineering and administrative support across Windows and Linux environments — responsible for the stability, security, and performance of enterprise-level systems. An active TS/SCI clearance with an adjudicated Full Scope Polygraph (FSP) is required prior to start.

Responsibilities:

Perform system security administration functions, including managing user accounts via Active Directory and enforcing access controls in compliance with security policies Plan, test, install, and integrate new and upgraded operating system versions, third-party software components, and subsystems Proactively monitor and manage system resources to optimize operating efficiency and performance Troubleshoot and diagnose hardware, software, and network issues and implement corrections in a timely manner Support custom software installation, configuration, and ongoing maintenance Administer and maintain Windows Server environments, including monitoring and configuration tools Manage VMware, storage solutions, and cross-domain solutions within the enterprise Leverage SCCM and SCOM for endpoint management, monitoring, and reporting Required qualifications Clearance Active TS/SCI with adjudicated Full Scope Polygraph (FSP) — prior to start (not available for sponsorship) Certifications (one of the following, customer-approved; can obtain within the first 6 months of employment): CompTIA Security+ SSCP (Systems Security Certified Practitioner) CISSP (Certified Information Systems Security Professional) CASP+ (CompTIA Advanced Security Practitioner) Technical skills: Windows Active Directory, Windows Server administration, and configuration tools VMware virtualization and storage solutions Cross-domain solutions (CDS) SCCM (Systems Center Configuration Management) SCOM (Systems Center Operations Manager) Linux environment administration Desired skills Experience with VMware in classified or enterprise environments Strong analytical and troubleshooting capabilities Effective written and oral communication skills Hardware maintenance and support experience Helpdesk or Tier 1/2 support background Equal opportunity DHI Group is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected veteran status.

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