Requisition #
R66998
Locations
USA-VA-Portsmouth
Posting Date
04/06/2026
Security Clearance Required
Secret
Remote Type
Onsite
Time Type
Full time
Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!
MANTECH seeks a motivated, career and detail-oriented Technology & Systems Administrator to support our operations in Portsmouth, VA This is an onsite position.
In this role, you will be involved in managing critical infrastructure inventory and asset collection project for 50+ key U.S. Coast Guard (USCG) sites. This position requires extensive travel and hands-on work to identify, document, and assess facility-related control systems. The ideal candidate will be a self-starter with a strong technical aptitude and the ability to work independently in various industrial environments.
Responsibilities include but are not limited to:
Travel to assigned USCG facilities based on defined criticality within geographical regions to conduct a physical inventory of all facility-related control systems and associated hardware/software
Accurately identify and document equipment details, including manufacturer, model, serial number, firmware version, operating systems and physical location
Enter all collected data into a Configuration Management (CM) tool, ensuring data integrity and accuracy
Run pre-defined scripts to gather system information on control system workstations and servers
Work closely with on-site facility engineers and points of contact to locate equipment and understand system configurations
Provide informal training and guidance to on-site personnel regarding cybersecurity hygiene and best practices for Operational Technology
Prepare and submit regular reports on inventory status, site visit summaries, and any identified issues or discrepancies
Willingness and ability to travel extensively (up to 75% or more) to various sites across the United States
Ability to work independently, manage time effectively, and solve problems as they arise on-site
Minimum Qualifications:
Bachelor’s degree in Computer Science, Cybersecurity, Information Systems, or a related field
3+ years of relevant System Administration experience
2+ years of hands-on experience with Industrial Control Systems (ICS), Operational Technology (OT), SCADA, or Building Automation Systems (BAS); this includes familiarity with PLCs, HMIs, and other control system components
Experience running command-line scripts, troubleshoot basic network connectivity, and understand IT/OT system architecture
Preferred Qualifications:
Strong verbal and written communication skills, with the ability to effectively interact with and train both technical and non-technical personnel
Meticulous attention to detail to ensure accurate data collection and entry into the configuration management tool
Clearance Requirements:
Must have a current and active DoD Secret Security Clearance
Physical Requirements
The person in this position must be able to walk extensively, climb ladders/stairs, and work in various industrial environments (hot, cold, noisy).
Must be able to lift and move equipment up to 50 pounds.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

MANTECH is more than a technology company. We are a company dedicated to service, and we consider our work a part of the public trust. The people of MANTECH are privileged to work for the security of the United States, the welfare of our service members and veterans, the protection of our communities, and the cause of better health care.
We have served the nation for more than 57 years, and in that time we have continually changed and grown to provide the technology that government needs to meet new challenges. We seek people with the same strong ethic of service, creativity, energy, and dedication to serving our country.
We are comprised of more than 9,800 talented employees around the world. Nearly 40% of our employees are veterans. Many others come from the Intelligence Community, Homeland Security and federal civilian agencies. We understand our customers’ challenges because we know their world firsthand.
When Federal managers and military leaders face tough challenges in cyber, data collection & analysis, enterprise IT or systems and software engineering, they turn to MANTECH to get the job done right. These professionals trust MANTECH and stay with us for years because we understand their needs and tackle their most complex challenges head on. They know that reaching their goal is our ultimate objective.