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Systems Administrator (Linux) - multiple levels - CLEARANCE and POLYGRAPH REQUIRED
Constellation Technologies, IncUnited StatesSystems Administrator (Linux) - multiple levels - CLEARANCE and POLYGRAPH REQUIRED1 month ago Be among the first 25 applicants Constellation Technologies, Inc provided pay rangeThis range is provided
Senior Network Engineer with Security Clearance
Oneida Innovations Group, LLCUnited StatesOneida Technical Solutions, LLC (OTS), was founded in 2014 and quickly established itself as a reliable partner capable of providing a variety of information technology and cyber solutions across high
Linux/Windows Systems Administrator - Top Secret Clearance
Lockheed MartinKing of PrussiaJob ID: 712496BR Date posted: Dec. 09, 2025Description:What We're Doing:Lockheed Martin's Electronic, Cyber & Information Warfare (ECIW) market segment within the RMS C6ISR line of business is focused
Sr. Linux/Windows Systems Administrator - Top Secret Clearance
Lockheed MartinKing of PrussiaJob ID: 710626BR Date posted: Nov. 12, 2025Description:What We're Doing:Lockheed Martin's Electronic, Cyber & Information Warfare (ECIW) market segment within the RMS C6ISR line of business is focused
Senior Systems Security Administrator
ClearanceJobsUnited StatesSenior Systems Security Administrator (SSA)Are you interested in creating new IT security capabilities and learning new cybersecurity technologies? Do you want to have a stake in the overall security
Senior DevOps Engineer - with Security Clearance
Wyetech LLCUnited StatesAt Wyetech, you'll be at the center of an award-winning corporate culture, breaking technological barriers and solving real-world problems for our federal government customers. We are committed to hir
Systems Administrator IV
ClearanceJobsUnited StatesSystems Administrator IVLocation: Alexandria, VA Clearance: TS/SCI with the ability to obtain and maintain a CI polygraph Job Details: Perform system administration functions, including creating user
Systems Administrator
ClearanceJobsUnited StatesSystems AdministratorWe are seeking a skilled and motivated System Administrator to join our team supporting the SPY-6 Family of Radars. The successful candidate will be responsible for managing and m
Cloud Systems Administrator
UIC AlaskaUnited StatesCloud Systems Administrator (NAUT)Bowhead seeks a Cloud Systems Administrator to support our customer on the Nautical contract in the Arlington, VA area. The successful candidate will be responsible f
Senior Systems Administrator (Windows/Linux) - Top Secret Cleara
ClearanceJobsUnited StatesSenior Systems AdministratorAt AMERICAN SYSTEMS, your technical expertise directly supports national security and mission-critical systems. As an employee-owned federal government contractor, we deliv
SCCM/MECM Systems Administrator
ClearanceJobsUnited StatesSCCM/MECM System AdministratorLeidos is seeking an SCCM/MECM System Administrator to support a large enterprise IT contract for the DOD. The System Administrator will support operations across multipl
Classified Systems Administrator
KBRUnited Statesdivh2Classified Systems Administrator/h2pKBR Delivering Solutions, Changing the World./ppKBR is a global leader in delivering technology-driven, mission-critical, and sustainable solutions that truly
Systems - Sr. Systems Administrator
Progression IncUnited States*Work with Progression, Inc. get your application bumped to the front of the line* Sr. Systems Administrator (Azure) Chantilly, VA MUST: Experienced Sr. Systems Admin 4 to 7 years of recent Windows Sy
GCCS Systems Administrator
ClearanceJobsUnited StatesSystems Administrator OpportunityParagon Cyber Solutions has an immediate opening for those ready for an exciting and dynamic career as a Systems Administrator to join other smart, talented, and dedic
RIGHTFAX SYSTEMS ADMINISTRATOR
NYC JobsUnited StatesIT Infrastructure Engineer - Rightfax Systems AdministratorThe Department of Social Services (DSS) is comprised of the administrative units of the New York City Human Resources Administration (HRA) an
Systems Administrator
General Dynamics Information TechnologyUnited StatesType of Requisition: RegularClearance Level Must Currently Possess: SecretClearance Level Must Be Able to Obtain: SecretPublic Trust/Other Required: NoneJob Family: IT Infrastructure and OperationsJob
NAVAIR Systems Administrator, Senior - TOP SECRET
ClearanceJobsUnited StatesSystems AdministratorAMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in Information Technology, Test & Evaluat
2026 JT4 Systems Administrator Opportunities - All Locations
JT4 LLCUnited StatesJT4, LLC provides engineering and technical support to multiple western test ranges for the U. S. Air Force and Navy under the Joint Range Technical Services Contract, better known as J-Tech II. JT4 d
Cyber Systems Security Engineer Sr.
Gromelski & AssociatesManassasCyber Systems Security Engineer Sr.Gromelski and Associates, Inc. (GAI) partners with prime contractors to provide professional services. Key service areas include Engineering Design and Documentation
Classified Systems Administrator
The Aerospace CorporationUnited StatesThe Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc
Cyber Security Engineer - TS/SCI Clearance | Quantico, Virginia
Cambridge International SystemsUnited StatesCyber Security Engineer – TS/SCI Clearance | Quantico, VirginiaCambridge International Systems, Inc.Join a dynamic global team united by shared values: commitment, integrity, and perseverance. At Camb
NAVAIR Systems Administrator - Top Secret
ClearanceJobsUnited StatesSystem AdministratorAmerican Systems is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in Information Technology, Test & Evaluati
Systems Administrator
ClearanceJobsUnited StatesSystems AdministratorJoin a team that not only values your technical expertise but also invests in you! At Westway, we are proud to pay 100% of employee premiums for medical, dental, and vision insura
Expert Systems Administrator
ClearanceJobsUnited StatesSystem AdministratorLeidos is seeking a System Administrator for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM/ICAM, Authentication, Authorizat
Senior HPC Cluster Systems Administrator
Lawrence Berkeley LabUnited StatesBerkeley Lab's (LBNL) Information Technology Division (IT) has an opening for a Senior HPC Cluster Systems Administrator to join their ScienceIT Team!In this exciting role, you will support the Berkel