{"schemaVersion":"jobsearcher.job.v1","id":"4e0394786d615902b4df90e4","url":"https://jobsearcher.com/jobs/4e0394786d615902b4df90e4","canonicalUrl":"https://jobsearcher.com/jobs/4e0394786d615902b4df90e4","title":"Lead System Administrator","description":"We are partnering with a leading federal contractor that supports mission-critical programs across national security, defense, and public service delivery. This organization focuses on sustaining, operating, and improving essential government systems and services, demonstrating proven operational excellence and a deep commitment to mission success for its customers. Joining this team means becoming part of a collaborative, mission-driven environment that values teamwork, accountability, and professional growth, empowering individuals to deliver high-impact solutions nationally.The Role Lead the enterprise Patch and Upgrade Management function, owning strategy, prioritization, risk-based remediation, and rollback planning across on-prem, cloud, and hybrid systems. Identify, analyze, test, and apply system, software, and hardware patches and upgrades in accordance with vulnerability management timelines. Direct prioritization and remediation of high-risk and known-exploited vulnerabilities. Establish and maintain standard configuration baselines and secure system hardening practices. Design, test, and oversee rollback and contingency procedures to restore systems to a known good state. Ensure comprehensive patch coverage across all IT and OT environments, coordinating with cybersecurity, change management, and operations teams.What You'll Need Ability to obtain and maintain a Public Trust clearance; active Public Trust and/or DHS suitability preferred. 10+ years of system administration experience, including enterprise scale patch and vulnerability management. Expertise in Enterprise Patch & Upgrade Management across Windows, Linux, network devices, and cloud platforms. Experience with vulnerability remediation aligned to CVE, KEV, and ISVM guidance. Knowledge of secure configuration baselines, system hardening, and IT/OT environment support. Familiarity with change, configuration, release management, and recovery planning.What's On Offer Opportunity to work on mission-critical programs for federal agencies. Supportive environment focused on professional growth and career development. Comprehensive benefits package including health insurance, retirement plan, and paid time off. A collaborative culture emphasizing teamwork and accountability.Apply via Haystack today!","company":"Haystack","rawCompany":"haystack","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-08-14T15:17:34.803Z","occupations":[{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"11-3021.00","title":"Computer and Information Systems Managers","slug":"computer-and-information-systems-managers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"},{"code":"541513","title":"Computer Facilities Management Services","slug":"computer-facilities-management-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Lead System Administrator","description":"We are partnering with a leading federal contractor that supports mission-critical programs across national security, defense, and public service delivery. This organization focuses on sustaining, operating, and improving essential government systems and services, demonstrating proven operational excellence and a deep commitment to mission success for its customers. Joining this team means becoming part of a collaborative, mission-driven environment that values teamwork, accountability, and professional growth, empowering individuals to deliver high-impact solutions nationally.The Role Lead the enterprise Patch and Upgrade Management function, owning strategy, prioritization, risk-based remediation, and rollback planning across on-prem, cloud, and hybrid systems. Identify, analyze, test, and apply system, software, and hardware patches and upgrades in accordance with vulnerability management timelines. Direct prioritization and remediation of high-risk and known-exploited vulnerabilities. Establish and maintain standard configuration baselines and secure system hardening practices. Design, test, and oversee rollback and contingency procedures to restore systems to a known good state. Ensure comprehensive patch coverage across all IT and OT environments, coordinating with cybersecurity, change management, and operations teams.What You'll Need Ability to obtain and maintain a Public Trust clearance; active Public Trust and/or DHS suitability preferred. 10+ years of system administration experience, including enterprise scale patch and vulnerability management. Expertise in Enterprise Patch & Upgrade Management across Windows, Linux, network devices, and cloud platforms. Experience with vulnerability remediation aligned to CVE, KEV, and ISVM guidance. Knowledge of secure configuration baselines, system hardening, and IT/OT environment support. Familiarity with change, configuration, release management, and recovery planning.What's On Offer Opportunity to work on mission-critical programs for federal agencies. Supportive environment focused on professional growth and career development. Comprehensive benefits package including health insurance, retirement plan, and paid time off. A collaborative culture emphasizing teamwork and accountability.Apply via Haystack today!","datePosted":"2026-08-14T15:17:34.803Z","dateModified":"2026-08-14T15:17:34.803Z","hiringOrganization":{"@type":"Organization","name":"Haystack","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"4e0394786d615902b4df90e4"},"url":"https://jobsearcher.com/jobs/4e0394786d615902b4df90e4"}}