ClearanceJobs
Senior Systems Administrator
Galapagos Federal Systems, LLC is seeking a highly experienced Senior Systems Administrator to provide technical leadership and hands-on expertise in managing enterprise IT infrastructures across hybrid and cloud-enabled environments. This role is critical in ensuring the reliability, security, and performance of mission systems that support Department of Defense (DoD) and federal operations. The Senior Systems Administrator will collaborate with program managers, engineers, and cross-functional teams to design, implement, and sustain enterprise IT solutions. Responsibilities include system installation, configuration, maintenance, and the integration of operating system enhancements to optimize performance and reliability. This is a high-impact opportunity to strengthen operational resilience, support modernization efforts, and ensure mission success across classified and unclassified environments. Required Key Responsibilities: Install, configure, and maintain infrastructure equipment and enterprise IT systems Administer and troubleshoot Microsoft Windows Server 2012R2 or higher Support Microsoft operating systems, Office 365, and Microsoft Teams in secure environments Manage and maintain core IT services including Active Directory, Group Policy, DHCP, DNS, and DFS Troubleshoot authentication mechanisms (Kerberos, LDAP, NTLM) and related tools Support and maintain Public Key Infrastructure (PKI) environments Automate and script administrative tasks using PowerShell and .NET Provide system administration support in large-scale, multi-data center environments Develop technical documentation, compliance reports, and executive-level briefings Collaborate with cross-functional teams to ensure secure, reliable IT operations Required Skills and Experience: Active Secret Clearance 5+ years of experience as a systems engineer or administrator in enterprise IT environments Proven expertise in infrastructure system installation, configuration, and maintenance Strong knowledge of Microsoft technologies (Windows Server, Office 365, Teams) Experience in core IT services (AD, GPO, DHCP, DNS, DFS) Familiarity with authentication protocols (Kerberos, LDAP, NTLM) Experience with PKI administration and troubleshooting Hands-on skills in automation and scripting (PowerShell, .NET) Working knowledge of networking concepts (routing, switching, firewalls) Analytical and problem-solving skills in complex enterprise environments Experience supporting DoD or federal mission IT operations Strong communication and teamwork skills Knowledge of database and programming concepts (preferred) Required Education & Certifications: Bachelor's degree, or higher, in Computer Science, or a related field Microsoft Certified Systems Engineer (preferred) CompTIA Sec+ (Required) Benefits: Medical, dental, vision, disability, and life insurance Flexible Spending Accounts 401(k) PTO Paid Parental leave Tuition reimbursement Paid federal holidays Security Clearance: Must be a U.S. Citizen. A high-level Department of Defense active security clearance is/may be required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to government information. Physical Requirements: Work may involve sitting or standing for extended periods of time and typing and reading from a computer screen. The candidate must have enough mobility, including bending, reaching, and kneeling, to complete daily duties in a prompt and efficient manner and that may include lifting up to thirty pounds, as necessary. Company Summary: Headquartered in Hawaii, Galapagos Federal Systems, LLC, is an SBA-Certified NHO-owned 8(a) Small Business specializing in global information technology solutions. We deliver professional services in IT Design & Installation, Cybersecurity Engineering & Support, Application Integration & Development, Software & Hardware Engineering, Network & Systems Management, Information Systems Security, and Business Management Services. Company Employment Statement: Galapagos Federal Systems, LLC reserves the right to change or modify job duties and assignments at any time. The above job description is not all encompassing as positions, functions, and qualifications may vary depending on business needs. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.
Galapagos Federal Systems, LLC is seeking a highly experienced Senior Systems Administrator to provide technical leadership and hands-on expertise in managing enterprise IT infrastructures across hybrid and cloud-enabled environments. This role is critical in ensuring the reliability, security, and performance of mission systems that support Department of Defense (DoD) and federal operations. The Senior Systems Administrator will collaborate with program managers, engineers, and cross-functional teams to design, implement, and sustain enterprise IT solutions. Responsibilities include system installation, configuration, maintenance, and the integration of operating system enhancements to optimize performance and reliability. This is a high-impact opportunity to strengthen operational resilience, support modernization efforts, and ensure mission success across classified and unclassified environments. Required Key Responsibilities: Install, configure, and maintain infrastructure equipment and enterprise IT systems Administer and troubleshoot Microsoft Windows Server 2012R2 or higher Support Microsoft operating systems, Office 365, and Microsoft Teams in secure environments Manage and maintain core IT services including Active Directory, Group Policy, DHCP, DNS, and DFS Troubleshoot authentication mechanisms (Kerberos, LDAP, NTLM) and related tools Support and maintain Public Key Infrastructure (PKI) environments Automate and script administrative tasks using PowerShell and .NET Provide system administration support in large-scale, multi-data center environments Develop technical documentation, compliance reports, and executive-level briefings Collaborate with cross-functional teams to ensure secure, reliable IT operations Required Skills and Experience: Active Secret Clearance 5+ years of experience as a systems engineer or administrator in enterprise IT environments Proven expertise in infrastructure system installation, configuration, and maintenance Strong knowledge of Microsoft technologies (Windows Server, Office 365, Teams) Experience in core IT services (AD, GPO, DHCP, DNS, DFS) Familiarity with authentication protocols (Kerberos, LDAP, NTLM) Experience with PKI administration and troubleshooting Hands-on skills in automation and scripting (PowerShell, .NET) Working knowledge of networking concepts (routing, switching, firewalls) Analytical and problem-solving skills in complex enterprise environments Experience supporting DoD or federal mission IT operations Strong communication and teamwork skills Knowledge of database and programming concepts (preferred) Required Education & Certifications: Bachelor's degree, or higher, in Computer Science, or a related field Microsoft Certified Systems Engineer (preferred) CompTIA Sec+ (Required) Benefits: Medical, dental, vision, disability, and life insurance Flexible Spending Accounts 401(k) PTO Paid Parental leave Tuition reimbursement Paid federal holidays Security Clearance: Must be a U.S. Citizen. A high-level Department of Defense active security clearance is/may be required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to government information. Physical Requirements: Work may involve sitting or standing for extended periods of time and typing and reading from a computer screen. The candidate must have enough mobility, including bending, reaching, and kneeling, to complete daily duties in a prompt and efficient manner and that may include lifting up to thirty pounds, as necessary. Company Summary: Headquartered in Hawaii, Galapagos Federal Systems, LLC, is an SBA-Certified NHO-owned 8(a) Small Business specializing in global information technology solutions. We deliver professional services in IT Design & Installation, Cybersecurity Engineering & Support, Application Integration & Development, Software & Hardware Engineering, Network & Systems Management, Information Systems Security, and Business Management Services. Company Employment Statement: Galapagos Federal Systems, LLC reserves the right to change or modify job duties and assignments at any time. The above job description is not all encompassing as positions, functions, and qualifications may vary depending on business needs. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.