System Administrator

ManTech International

ManTech International seeks a System Administrator to support mission-critical national security systems within our Information Technology & Technical Support organization. In this role, you will manage and secure Windows and Linux servers, configure Active Directory, monitor performance, and resolve complex infrastructure issues. You’ll implement patches, backups, and automation to ensure availability and compliance with federal standards. Collaborating closely with cybersecurity and network teams, you’ll help protect sensitive environments while contributing to ManTech’s culture of innovation, integrity, and respect for individual contributions.

Apply

Vacancy posted 4 days ago

Similar jobs that could be interesting for youBased on the System Administrator in Quantico, VA vacancy

IT SysAdmin
...MANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team USMC IT Service Desk in Stafford, VA. Responsibilities include but are not limited to: Maintain multiple networks for over 600 users Assist in administering and...
Suggested
Work at office
MANTECH
Quantico, VA
-23
NCIS Systems Administrator | Shift Work | Active Top Secret clearance
$111.16k - $150.39k
...Infrastructure and Operations Job Qualifications: Skills: Enterprise IT Infrastructure, Mobile Device Management (MDM), System Administration Certifications: None Experience: 5 + years of related experience US Citizenship Required: Yes Job Description: Transform...
Suggested
Full time
Temporary work
For contractors
Immediate start
Remote work
Worldwide
Flexible hours
Shift work
Night shift
Weekend work
General Dynamics Information Technology
Quantico, VA
1 day ago
Senior Systems Administrator
...Senior Systems Administrator Quantico, Virginia, Job Code 3101 Job Description: • Senior System Administrator will be a highly skilled and experienced engineer responsible for providing expert guidance and hands-on management across a diverse systems landscape....
Suggested
Contract work
Orbis Corporation
Quantico, VA
23 hours ago
Systems Administrator
$300k
...Job Description Our client is seeking a Junior System Administrator in support of Marine Corps Information Operations Center (MCIOC) in Quantico, VA. This work supports USMC Operational Forces. General duties for the System Administrator include providing design,...
Suggested
Temporary work
Remote work
Worldwide
TalentRemedy
Quantico, VA
2 days ago
Systems Administrator 3
$92.18k - $124k
...fleet. With a holistic approach to life-cycle maritime defense systems—from small watercraft to submarines, surface combatants and... ...Description The Navy Integrated Training Environment (NITE) System Administrator is responsible for administration, maintenance, and...
Suggested
Full time
Work experience placement
Local area
Worldwide
Huntington Ingalls Industries
Quantico, VA
1 day ago
Senior Systems Administrator
...Senior Systems Administrator As a Senior Systems Administrator, the individual will be responsible for configuring, maintaining, and operating computer systems and servers. In this role, the Systems Administrator will install hardware and software and participate in...
For contractors
Work at office
Ryde Technologies
Quantico, VA
4 days ago
Systems Administrator 3
...Systems Administrator 3 The Navy Integrated Training Environment (NITE) System Administrator is responsible for administration, maintenance, and cybersecurity defense of all Navy Enterprise Tactical Training Network (NETTN) client and server infrastructure used to support...
Work experience placement
HII Mission Technologies division
Quantico, VA
1 day ago
Senior Systems Administrator
$135k - $145k
...Job Title: Senior Systems Administrator Location: Quantico, VA Pay : $135-145k Company Summary: Our client is a proven leader in information technology, innovative strategic technical planning, and program management offering...
For contractors
Work experience placement
Work at office
NSC
Quantico, VA
23 hours ago
IT SysAdmin
...Systems Administrator Job Locations US-VA-Quantico Job ID 2024-7524 Overview Abacus Technology is seeking a Systems Administrator to provide technical support for the US Air Force Office of Special Investigations (AFOSI) in Quantico. This...
Full time
Work at office
Abacus Technology
Quantico, VA
4 days ago
Linux Server Administrator
...seeks a motivated, career and customer-oriented LINUX SERVER ADMINISTRATOR to join our team in QUANTICO, VA . This position supports... ...to: Install, configure, and maintain Linux operating systems (including Red Hat Enterprise Linux and Ubuntu) across both physical...
For contractors
Work at office
MANTECH
Quantico, VA
-23
Junior Systems Administrator
$85k - $105k
...information to request the appropriate accommodation by visiting the Accessibility Accommodations for Applicants page. Junior Systems Administrator Apply now Locations Showing 1 location Pay or shift range: $85,000 USD to $105,000 USD. Actual salary will be based on a...
Full time
Contract work
Local area
Shift work
ValidaTek
Quantico, VA
2 days ago
NCIS Systems Administrator | Active Top Secret clearance
$96.57k - $130.65k
...Transform technology into opportunity as a Systems Administrator at GDIT. Shape what’s next for mission‑critical government projects while advancing your engineering career. Position details: Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret...
For contractors
Remote work
Flexible hours
General Dynamics Information Technology
Quantico, VA
3 days ago
Linux Server Administrator
ManTech International seeks a Linux Server Administrator to support mission-critical systems for U.S. defense, intelligence, and federal agencies. You will install, configure, secure, and maintain Linux servers; monitor performance; troubleshoot complex issues; and implement...
ManTech International
Quantico, VA
2 days ago
Modeling & Simulations System Admin
...SummaryObsidian Solutions Group (OSG) is seeking a Simulation system (MAGTF Tactical Warfighting Simulation (MTWS), Joint Deployment... ...Environment - Information Operations Suite (ACE-IOS)) Systems Administrator who must possess strong problem-solving, analytical and...
Work at office
Obsidian Solutions Group
Quantico, VA
2 days ago
Windows Server Administrator
...seeks a motivated, career and customer-oriented WINDOWS SERVER ADMINISTRATOR to join our team in QUANTICO, VA. Responsibilities... ...Installing, configuring, and maintaining Windows Server operating systems (2016, 2019, 2022) while monitoring server performance and optimizing...
MANTECH
Quantico, VA
-23
IT SysAdmin
...Prince William County’s Department of Public Safety Communications seeks a System Administrator for the County’s P25 multi‑site radio system. You will ensure high availability of mission‑critical communications and collaborate with IT, public safety, leadership, and vendors...
Prince William County
Woodbridge, VA
3 days ago
Linux SYSADMIN
...vital interests. Requisition #: SYSTE003858 Job Title: System Admin Linux Location: 27410 Hot Patch Road Quantico,... ...the Customer’s Government Enterprise Networks (GEN). The Linux Administrator will operate and maintain the infrastructure for the ACAS...
Full time
For contractors
Work at office
Remote work
1 day per week
Agile Defense
Quantico, VA
23 hours ago
Hardware Systems Engineering
$90.87k - $125k
...fleet. With a holistic approach to life-cycle maritime defense systems—from small watercraft to submarines, surface combatants and... ...; technologists; scientists; logistics experts; and business administration professionals.Recognized as one of America’s top large company...
Full time
Work experience placement
Local area
Worldwide
HII Mission Technologies Division
Quantico, VA
1 day ago
SYSTEMS ENGINEERING AND ANALYSIS
DCS is looking for a junior/mid-level systems engineer to provide engineering analysis, with the focus on mechanical and electrical systems, in support of PM AAA.Essential Job Functions:Review, analyze, develop, and comment on technical documentation (e.g., DLA 339s, requirements...
Work at office
DCS Corporation
Quantico, VA
2 days ago
Database Administrator
$79.5k - $132.8k
OverviewAMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic... ...is seeking a highly skilled and mission-driven Database Administrator to support its global Information Technology (IT) operations....
Contract work
For contractors
AMERICAN SYSTEMS
Quantico, VA
3 days ago
Network Administrator
...receive the highest form of third-party validation. Network Administrator is responsible for the administration, operation, maintenance,... ...network infrastructure and Key Management Infrastructure (KMI) systems. This role provides Level 3 (L3) support for network operations...
Full time
Contract work
Local area
ValidaTek
Quantico, VA
1 day ago
Mid Systems Administrator
...Job Description Job Description Salary: Job Title: Mid Systems Administrator Job Location: Quantico, Virginia Overview: Zigabyte is seeking a Systems Administrator to provide technical support for the US Air Force Office of Special Investigations (AFOSI...
Full time
Work at office
Zigabyte Corporation
Quantico, VA
21 days ago
SecOps System Administrator
...Fairness and Common Sense make working here more than a job, it’s the Digital family. Digital Consultants is seeking a SecOps System Administrator II to join our Team! This position is part of the IT Technology Operations division within the NCIS ITD organization and...
Permanent employment
Full time
Flexible hours
Digital Consultants, LLC
Quantico, VA
16 days ago
Senior Systems Engineers - Secret
DescriptionSenior Systems Engineers - Secret Xcelerate Solutions is currently seeking Senior Systems Engineers with experience building... ...PowerShell, or Python. Strong understanding of Linux system administration (RHEL, Ubuntu, SUSE, etc.). Experience administering...
Xcelerate Solutions
Quantico, VA
1 day ago
SYSTEMS ENGINEERING AND ANALYSIS
...sites. Job Overview Chugach Government Solutions is now hiring a Systems Engineer with Splunk experience to join our team supporting... ...Splunk 4+ years of relevant hands‑on experience in system administration in enterprise environments (e.g., Windows, RHEL, VMware) Minimum...
Contract work
Immediate start
2 days per week
1 day per week
Chugach Alaska
Quantico, VA
4 days ago
Systems Engineer
...Who We’re Looking For (Position Overview) Spry Methods is seeking a Systems Engineer to support a federal law enforcement and scientific mission environment delivering secure, high-performing enterprise IT services. This role contributes directly to the reliability, modernization...
Method Products
Quantico, VA
4 days ago
Systems Engineer
...Active SECRET Security Clearance Employment Type: Full-Time About the Opportunity Sedulous Consulting Services is seeking a Mid-Level Systems Engineer to support the U.S. Marine Corps Program Manager for Advanced Amphibious Assault (PM AAA). This position provides...
Full time
For contractors
Immediate start
Flexible hours
Sedulous Consulting Services, LLC
Quantico, VA
16 hours ago
Windows Server Administrator
ManTech International seeks a Windows Server Administrator to support critical national security missions. In this role, you will install,... ...platforms, document configurations, and collaborate with cyber and systems engineering teams to ensure system availability, compliance,...
ManTech International
Quantico, VA
3 days ago
System Engineering In
...SimVentions in Fredericksburg, VA, is seeking a Navy Weapons System Model Based Systems Engineer to join a team focused on model-based systems engineering for a Navy weapons system. This position is located on-site at our Fredericksburg, VA office with weekly required...
Interim role
Work at office
SimVentions
Quantico, VA
3 days ago
VMWare Systems Administrator - Top Secret/SCI | Quantico, VA
$77k - $143k
...VMWare Systems Administrator – Top Secret/SCI | Quantico, VA Cambridge International Systems, Inc. Join a dynamic global team united by shared values: commitment, integrity, and perseverance . At Cambridge, you’ll work alongside top talent worldwide, tackling some...
Full time
Contract work
Casual work
Local area
Immediate start
Worldwide
Relocation package
Night shift
Afternoon shift
Cambridge International Systems Inc
Quantico, VA
a month ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to System Administrator. Be the first to apply!