Systems Administrator (NASA Shared Services Center)

Tracking Code 9826-987 Posted Date 10/13/2026 Job Location Remote, Mississippi Location of Position Remote, MississippiRemote Additional Locations Remote Work Arrangement Hybrid: (In Office & Home) Position Type Full-Time/Regular Clearance Required? Yes Level of Clearance Required Public Trust COLSA is seeking a System Administrator to support enterprise and Center-specific IT operations at the NASA Shared Services Center (NSSC) located at Stennis Space Center, MS. The selected candidate will provide administration, maintenance, monitoring, troubleshooting, and technical support for enterprise systems, applications, and end-user computing environments supporting mission and operational activities. Must reside within a commutable distance of Stennis Space Center and be able to work on-site as needed to support collaboration with functional managers and staff, system implementations, troubleshooting activities, operational support, and coordination efforts. Duties Include Administer, maintain, and support enterprise systems, operating systems, applications, and infrastructure supporting NSSC operationsAssist with managing system configuration, deployment, patching, upgrades, performance monitoring, and operational availability across enterprise environmentsProvide technical support and problem resolution for system, application, and user issuesSupport implementation and administration of Center-specific and third-party software solutions across enterprise and government-furnished environmentsMonitor system performance, troubleshoot operational issues, and implement corrective actions to maintain system reliability and continuity of operationsAdminister user accounts, access controls, authentication methods, and security configurations in accordance with organizational policies and standardsSupport software lifecycle management activities, including software inventory, licensing coordination, and compliance monitoringAssist with vulnerability remediation, system hardening, patch management, and compliance with IT security requirementsSupport enterprise collaboration technologies, conference room systems, and operational A/V environmentsMaintain technical documentation, system procedures, and operational support guidanceParticipate in implementation and continuous improvement of enterprise IT systems and processes At COLSA, people are our most valuable resource and centered at our core value. We invite you to unite your talents with opportunity and be a part of our “Family of Professionals!” Learn about our employee-centric culture and benefits here: https://www.colsa.com/culture_benefits Required Experience Required Qualifications Bachelor’s degree in Information Technology, Computer Science, Information Systems, or related field or equivalent experienceFamiliarity with supporting Windows-based enterprise environments and enterprise applicationsFamiliarity with administering and troubleshooting enterprise software, operating systems, and user access managementFamiliarity with Active Directory administration and enterprise authentication methodsFamiliarity with IT security principles, system hardening, patch management, and compliance requirementsStrong analytical, troubleshooting, and problem-solving skillsStrong written and verbal communication skillsAbility to manage multiple priorities in a fast-paced operational environmentU.S. Citizenship required; Ability to pass background investigation for a position of NASA Public TrustMust reside within a commutable distance of Stennis Space Center and be able to work on-site as needed to support collaboration with functional managers and staff, system implementations, troubleshooting activities, operational support, and coordination efforts. Preferred Qualifications Familiarity with using ServiceNow for ticket management and IT service support activitiesFamiliarity with SharePoint and Microsoft 365 collaboration environmentsFamiliarity with network administration concepts and enterprise troubleshooting methodologiesFamiliarity with supporting government or enterprise IT environments preferred Applicant selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. COLSA Corporation is an Equal Opportunity Employer, Minorities/Females/Veterans/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin. Salary Type Annually The salary range, if referenced, represents a good faith estimate. COLSA considers various factors when determining base salary offers, but not limited to, location, the role, function and associated responsibilities, a candidate’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. COLSA offers a comprehensive and customizeable benefits program which includes Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, Accidental Death & Dismemberment, Supplemental Income Protection Programs, 401(k) with company match, Flexible Spending Accounts, Employee Assistance Program, Education & Certification Reimbursement, Employee Discount Program, Paid Time Off and Holidays. This position will be posted for a minimum of 3 business days. If a candidate has not been selected at that time, it will continue to be posted until a suitable candidate is selected or the position is closed.