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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Administrator - Charleston, SC - **Company:** Serco - **Location:** Anderson, SC, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Antivirus Softwares, Symantec Backup Exec, Cisco IOS, Configuration Management, CompTIA Security+, Data Integrity, VMware ESX Servers, Firmware, Networking Hardware, McAfee VirusScan, Microsoft SQL Server, Windows Search, Windows Servers, Oracle Databases, Systems Development Life Cycle, Security Content Automation Protocol, Systems Integration, Virtualization Technology, VMware VSphere, Software Vulnerability Management, System Availability, C4i, SC Clearance, Information Technology, Patch Management, Network Server, Cisco, Server Operating Systems & Platforms, Vulnerability Analysis, User Accounts, Vmware - **Published:** November 6, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9294498/systems-administrator-charleston-sc ## About the Role * An active Secret security clearance * A bachelor's degree in information technology, Computer Science, Engineering, or a related technical discipline + In lieu of a bachelor's degree, 4 additional years of systems administration or IT experience directly supporting military systems will be accepted. * 5 years of professional experience in systems administration, information technology, or a closely related technical field. * CompTIA Security+ certification or a higher-level certification satisfying the applicable DoD cybersecurity workforce qualification requirements. * Experience administering and supporting Microsoft Windows desktop and server operating systems. * Experience managing Microsoft Active Directory, including domain administration and Group Policy Object configuration. * Experience with VMware ESXi virtualization environments. * Experience administering or supporting Microsoft SQL Server and/or Oracle database environments. * Experience implementing vulnerability remediation, STIG configurations, and system hardening in DoD or similarly regulated environments. * Experience with system backup and recovery technologies, such as Retrospect, BackupExec, or Macrium Reflect. * Strong analytical, troubleshooting, and problem-solving skills. * Effective interpersonal, written, and verbal communication skills. * Ability to develop technical documentation, SOPs, system specifications, and test and evaluation documentation. * Familiarity with DoD networking, cybersecurity, and system accreditation requirements. * Ability to work independently, manage multiple technical priorities, and assist other personnel in resolving system-related issues. * Ability to support technical activities at Government and customer facilities where working conditions may vary. * Ability to travel up to 10% as required. Additional desired experience and skills: * Cisco Certified Network Associate (CCNA) certification. * VMware professional certification or equivalent advanced virtualization training. * Microsoft Windows operating system and Windows Server certifications. * Experience supporting Navy Electronic Security Systems (NESS), Emergency Management Systems, or other PSS systems. * Experience administering Cisco IOS-based networking equipment. * Experience with Trellix (formerly McAfee) Host-Based Security System (HBSS) and endpoint security solutions. * Experience with Assured Compliance Assessment Solution (ACAS), Security Content Automation Protocol (SCAP), and Evaluate-STIG. * Familiarity with Vulnerability Remediation Asset Manager (VRAM), Enterprise Mission Assurance Support Service (eMASS), and the DoD Risk Management Framework (RMF). * Experience supporting Navy C4I systems, system integration laboratories, or operational test environments. * Experience assisting with system integration, technical testing, configuration management, and engineering support for military systems. If you are interested in supporting and working with our military and a passionate Serco team - then submit your application now for immediate consideration. It only takes a few minutes and could change your career! ## Description Are you a Systems Administrator looking for a place to make an impact every day? Serco is the place for you! Join our team as a Systems Administrator in support of our Commander Navy Installations Command (CNIC) Public Safety Systems (PSS) program with the United States Navy. This position is contingent upon your ability to maintain/transfer your Secret clearance. The CNIC PSS Ashore Sustainment Program is executed by the CNIC PSS Ashore Program Management Office (PMO), NAVFAC Expeditionary Warfare Center (EXWC), and CNIC Regional Program Managers (RPMs). The primary goal of the CNIC PSS Ashore Sustainment Program is to provide both preventive and corrective maintenance services to Navy installations as required to sustain PSS Ashore Program systems in accordance with their operational requirements. This position is based out of NIWC in Charleston, SC and will require up to 10% travel As the PSS GSC Systems Administrator III for the NIWC Charleston test lab, you will support the PSS Ashore Programs and their mission is to design, procure, integrate, install, and sustain the systems/equipment hardware, associated firmware, and software required to provide the ability to protect mission-critical assets and personnel from natural disasters, acts of terrorism and other human-caused disasters. In this role, you will: * Install, configure, administer, maintain, and troubleshoot Windows-based servers, workstations, and supporting hardware and software within the NIWC Atlantic Charleston Test Lab. * Provide system administration and engineering support for Windows 10/11, Windows Server 2016/2019/2022, VMware ESXi/vSphere, Milestone, and Cisco IOS. * Administer Microsoft Active Directory environments, including domain services, user accounts, permissions, and Group Policy Objects (GPOs). * Perform preventive and corrective maintenance, system troubleshooting, technical updates, service call resolution, asset management, and configuration management for Navy C4I and PSS systems. * Implement and maintain cybersecurity configurations, including Security Technical Implementation Guides (STIGs), vulnerability remediation, patch management, antivirus/endpoint protection, and operational security controls. * Support vulnerability assessment, security compliance, and system hardening activities in accordance with applicable DoD cybersecurity requirements and organizational security policies. * Configure, manage, and maintain system backup and recovery solutions to support system availability, data integrity, and operational continuity. * Support hardware and software integration, configuration, testing, troubleshooting, and technical evaluation activities throughout the system development and sustainment lifecycle. * Develop and maintain technical documentation, including Standard Operating Procedures (SOPs), system specifications, design requirements, test and evaluation plans, configuration documentation, and technical reports. * Collaborate with engineering, cybersecurity, and Government personnel to investigate technical issues, implement corrective actions, and support the operational readiness of CNIC PSS systems worldwide.