"Systems Administrator" - Freelance Gigs

Himalayas

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Systems Administrator

Leidos is preparing as we anticipated a need for a Systems Administrator to support enterprise Air Force application and middleware environments within the Human Resources Systems Technical Support III (HRSTS-III) program. The role supports Linux-based middleware, messaging, web application, and database platforms in a secure Department of Defense (DoD) production environment. Primary Responsibilities: Provide administration, maintenance, patching, and troubleshooting support for enterprise middleware and application platforms within Linux-based web application, enterprise messaging, and database environments. Monitor system performance, availability, and operational health while troubleshooting application, integration, and connectivity issues. Support deployments, upgrades, patching, vulnerability remediation, and security compliance activities, and develop automation and shell scripting solutions to improve operational efficiency. Coordinate with infrastructure, cybersecurity, data

Systems AdministrationLinux AdministrationMiddleware Administration

United States

2 days ago

Himalayas

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Specialized TS/SCI Full Scope Recruiter~ 1099

Specialized TS/SCI Full Scope Recruiter/ 1099 Independent Contractor | Network-Driven Model We are expanding our cleared recruiting partnerships and seeking 1 to 2 experienced recruiters who specialize in TS/SCI Full Scope talent. This is not a general recruitment role. This is a high-impact opportunity for recruiters who are already embedded in the cleared technical community and maintain active relationships with senior-level cleared professionals. Focus Areas *Senior Systems Administrators *Systems Engineers *Infrastructure and Platform Engineers Other high-level cleared technical roles Clearance Requirements for all positions require TS/SCI with Full Scope Polygraph What We Are Looking For Demonstrated experience placing TS/SCI candidates Strong familiarity with Full Scope Poly requirements Established, active network within the cleared community Ability to generate qualified introductions within 14 days *Comfortable operating independently *Urgency-driven and highly responsive We

Human ResourcesTechnical RecruitingCleared Recruiting

United States

Himalayas

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Senior Systems Administrator

This is a remote position. Job Title: Senior Systems Administrator Location: Remote (U.S.) About ProScore Technologies ProScore Technologies is a leader in AI-powered workforce compliance solutions, specializing in helping organizations navigate the complexities of compliance under frameworks like the Inflation Reduction Act (IRA). Our platform streamlines compliance processes, offering innovative, end-to-end solutions that empower businesses across various industries. The RoleAs a Senior Systems Administrator at ProScore, you’ll take ownership of our AWS-based infrastructure and core systems. This role goes beyond day-to-day administration, you’ll be a technical leader responsible for designing scalable systems, driving automation, and setting operational best practices across the organization. You’ll partner closely with engineering, product, and security teams to ensure our platforms are stable, secure, and ready to scale as the business grows. What You’ll Do Own the design, admini

System AdministrationDevOpsCloud Engineering

United States

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