Systems Administrator - Charleston, SC

Serco; Anderson (SC); On-site; USD 90,000 - 120,000; Full time

Job summary

Serco Inc. is seeking a Systems Administrator to support the CNIC Public Safety Systems program with the U.S. Navy.

The role focuses on Windows server/Desktop administration, AD, and cybersecurity in a DoD environment. Based in the NIWC Charleston test lab, it requires up to 10% travel and maintaining a Secret clearance. The position emphasizes system engineering, vulnerability remediation, and collaboration with government personnel to sustain Navy PSS systems worldwide.

Qualifications

• Active Secret clearance required.
• Bachelor’s degree in IT/CS/Engineering or 4 years of directly supporting military systems in lieu of degree.
• 5 years of professional systems administration or IT experience.
• CompTIA Security+ or higher DoD cybersecurity qualification.
• Experience with Windows desktop/server OS and AD/GPOs.
• Experience with VMware ESXi virtualization.
• Experience with SQL Server and/or Oracle databases.
• Experience implementing vulnerability remediation and STIG configurations.
• Strong analytical, troubleshooting, and communication skills.
• Willingness to travel up to 10%.

Responsibilities

• Install, configure, administer, maintain, and troubleshoot Windows servers and workstations.
• Provide system administration for Windows 10/11, Windows Server 2016/2019/2022, VMware ESXi/vSphere, Milestone, and Cisco IOS.
• Administer Active Directory, GPOs, and domain services.
• Perform maintenance, troubleshooting, asset and configuration management for Navy C4I and PSS systems.
• Implement cybersecurity configurations, STIGs, patch management, and antivirus protections.
• Support security compliance, DoD DoD cybersecurity requirements.
• Configure and maintain backup/recovery solutions.
• Collaborate across engineering, cybersecurity, and government personnel.

Skills

Active Secret clearance

5 years experience

Windows administration

Active Directory

VMware ESXi

Milestone

Cisco IOS

SQL Server/Oracle

DoD cybersecurity

SOPs & docs

Education

Bachelor’s degree in IT/CS/Engineering

4 years systems administration experience in lieu of degree

Tools

VMware ESXi/vSphere

Milestone

Cisco IOS

Active Directory

Job description

Position Description & Qualifications

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.

Position Description & Qualifications

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.

Role

To be successful in this role, you will have:

• 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.

Company Overview

Serco Inc. (Serco) is the Americas division of Serco Group, plc. In North America, Serco’s 9,000+ employees strive to make an impact every day across 100+ sites in the areas of Defense, Citizen Services, and Transportation. We help our clients deliver vital services more efficiently while increasing the satisfaction of their end customers. Serco serves every branch of the U.S. military, numerous U.S. Federal civilian agencies, the Intelligence Community, the Canadian government, state, provincial and local governments, and commercial clients. While your place may look a little different depending on your role, we know you will find yours here. Wherever you work and whatever you do, we invite you to discover your place in our world. Serco is a place you can count on and where you can make an impact because every contribution matters.

To review Serco benefits please visit: https://careers.serco-na.com/us/en/what-we-offer. If you require an accommodation with the application process please email: [e-mail] or call the HR Service Desk at 800-628-6458, option 1. Please note, due to EEOC/OFCCP compliance, Serco is unable to accept resumes by email.

Candidates may be asked to present proof of identity during the selection process. If requested, this will require presentation of a government‑issued I.D. (with photo) with name and address that match the information entered on the application. Serco will not take possession of or retain/store the information provided as proof of identity. For more information on how Serco uses your information, please see our Applicant Privacy Policy and Notice.

Serco does not accept unsolicited resumes through or from search firms or staffing agencies without being a contracted approved vendor. All unsolicited resumes will be considered the property of Serco and will not be obligated to pay a placement or contract fee. If you are interested in becoming an approved vendor at Serco, please email [e-mail].

Serco is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics.

Pay Transparency

Our Total Rewards package includes competitive pay, performance‑based incentives, and benefits that promote well‑being and work‑life balance—so you can thrive both professionally and personally.

Eligible employees also gain access to a wide range of benefits from comprehensive health coverage and health savings accounts to retirement plans, life and disability insurance, and time‑off programs that support work‑life balance. Program availability may vary based on factors such as contract type, location, hire date, and applicable collective bargaining agreements.

Salary range: The range for this position can be found at the top of this posting. This range is provided as a general guideline and represents a good faith estimate across all experience levels. Actual base salary will be determined by a variety of factors, including but not limited to, the scope of the role, relevant experience, job‑related knowledge, education and training, key skills, and geographic market considerations. For roles available in multiple states, the range may vary to reflect differences in local labor markets. In addition to base salary, eligible positions may include other forms of compensation such as annual bonuses or long‑term incentive opportunities.

• Medical, dental, and vision insurance
• Robust vacation and sick leave benefits, and flexible work arrangements where permitted by role or contract
• 401(k) plan that includes employer matching funds
• Tuition reimbursement program
• Life insurance and disability coverage
• Optional coverages that can be purchased, including pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Employee Assistance Plan

To review all Serco benefits please visit: https://careers.serco-na.com/us/en/about-us.

If an applicant has any concerns with job posting compliance, please send an email to: [e-mail].