Mission-Critical Network & Systems Administrator | TS/SCI
CACI International Inc.
CACI International Inc. in Virginia Beach, VA is seeking a Network & Computer Systems Administrator to provide on-site desktop support within a DoD environment. You will troubleshoot end-user hardware, software, accounts, peripherals, and connectivity while delivering professional service. The role requires TS/SCI clearance, SEC+ CE certifications, and experience with Windows, Active Directory, and ticketing systems. #J-18808-Ljbffr CACI International Inc.
- SECURITY CLEARANCE REQUIREMENT: TS, WITH SCI ELIGIBILITY ***POSITION REQUIRES US CITIZENSHIP*** Position Title:Network/System Administrator I Location: Schriever SFB Position Description: The primary function will be to organize, install, and support government organization...SuggestedWork at officeLocal area
$77.5k - $176k
...Hamilton is seeking an experienced Network Engineer to develop and manage the Air... ...secure network infrastructure critical for national defense missions. Successful candidates will have a strong... ...with required qualifications including TS/SCI clearance and Security+...SuggestedRemote job- Abacus Technology Corporation seeks a Network Administrator to provide WAN infrastructure support for the AFINC III program at Maxwell AFB/Gunter Annex. This is a full-time on-site role requiring TS/SCI clearance and extensive network expertise. Responsibilities include...SuggestedFull time
- AMERICAN SYSTEMS seeks a Lead Cisco Unified Communications Manager Administrator to lead the administration, optimization, and modernization... ...UC environments supporting mission-critical operations in Washington, DC.... ...Top Secret clearance with SCI eligibility, a technical...Suggested
- CACI International Inc. seeks a skilled Systems Administrator for CSfC operations at Fort Bragg, NC. The role focuses on 24/7 uptime, threat monitoring... ...with USG, and keep detailed security records. Must have TS/SCI clearance and CSfC experience; bachelor’s degree or higher...SuggestedRemote work
- AT&T is seeking a Junior Network Engineer in Columbia, MD to support connectivity operations. You will maintain LAN infrastructure, manage... ...response on a fast-paced federal contractor team. Required TS/SCI with polygraph clearance, an associate degree in engineering technology...For contractorsWork at officeRelocation package
- Conceras, LLC seeks a Systems Network Engineer to support the DoS DT program in Washington, DC. Responsibilities include designing, implementing... ...best practices for federal environments. The role requires TS/SCI eligibility and hands-on experience with government networks,...
- ...Company, supports USSOCOM and maintains active DoD Top Secret/SCI eligibility. The Associate Computer User Support Specialist will join an enterprise ITSM team across multiple networks and mission-critical applications. The role requires DoD 8140 certifications, strong...
- BCore in Herndon, VA is seeking a Subject Matter Expert (SME) Network Engineer to design, deploy, and manage enterprise firewall... ...teams to ensure robust protections and trusted connectivity for mission-critical networks. The role requires 16+ years in network engineering,...
- ...Abacus Technology is seeking a Network Administrator to provide WAN... ...lab environments. Monitor system utilization and circuit bandwidth... ...and communication skills are critical as well as the ability and... ...Top Secret clearance with SCI access (TS/SCI). Applicants selected will...Full time
$80k - $115k
...Solutions is seeking a Network Support Specialist... ...role to support a mission-critical federal program... ...Top Secret w/SCI Eligibility*** Responsibilities... ...in network administration/operations or... ...Must have an active TS/SCI clearance Compensation... ...protocol, system performance, software...Night shift- ...in Gaithersburg, MD is seeking a Senior Systems Engineer to support the NGA mission. This role requires an active TS clearance with SCI eligibility and CI Poly eligibility, and... ...to design, integrate, and evolve mission-critical systems. You will work with software engineers...
$1,200 per month
...Innovative Solutions delivers mission-focused technology... ...06, we have supported critical national security... ...focused Senior Database Administrator to join our team in... ...supporting mission-critical systems. Primary... ...Requirement: Current/Active TS/SCI with Full Scope Polygraph...Hourly payContract workWork experience placement- ...for Defense Analyses (IDA) in Princeton, NJ seeks an experienced Systems Engineer with deep Red Hat Linux expertise to update, expand,... ...staff to meet security and government requirements. Top Secret/SCI clearance is preferred, with 8570 IAT II certification desirable...
$71.5k - $150.2k
## Systems Administrator - CSfCFort Bragg, NC, USApply NowFind... ...to Start: TS/SCIEmployee Type:... ...Administrator with Systems, Network and Security... ...an active TS/SCI* Knowledge of NSA... ...protection of critical cyber defense infrastructure... ...our customer’s missions and driven by a...Contract workWork experience placementLocal areaRemote workFlexible hoursShift work- ...Defense, and Civilian missions. Our proven Empower... ...Overview As the OMC Systems Administrator, you will act as a model... ..., you will be a critical contributor to meeting... ...supports replication of network file share volumes via... ...Requirements Active TS/SCI security clearance. Demonstrated...Contract workFor contractorsWork at office
$86.6k - $181.8k
## DevOps Systems AdministratorChantilly, VA, USApply... ...Required to Start: TS/SCI with PolygraphEmployee... ...seeking a DevOps Systems Administrator to work with a focused... ...to our customer’s missions and driven by a higher... ...advance our nation's most critical missions, build on our...Contract workWork experience placementLocal areaImmediate startFlexible hours- 62-013 - Network/System Administrator II Kirtland Afb, United States | Posted on 08/10/2026 Sandy Mac Evolution LLC is a Veteran-Owned company dedicated... ...Security Clearance: Active Top Secret Clearance Required | SCI Eligibility Required | SAP Access Eligibility Required |...Full timeWork at office
- Sandy Mac Evolution LLC is seeking a Network/System Administrator II to support DoD Special Access Program environments at Kirtland AFB, NM. The role... ...to ensure day-to-day IT operations across Collateral, SCI, and SAP environments. Responsibilities include managing enterprise...
$77.5k - $176k
Network Engineer We are seeking an experienced... ...national defense missions.... ...Use experience in system interoperability,... ...network application administration to support defense... ...availability for mission‑critical systems. Apply... ..., NAT, or IPsec TS/SCI clearance HS diploma...Contract workCasual workWork at officeLocal areaRemote work$52.2k - $85.6k
...enabled, cloud-based, network solutions and professional... ...to our customers’ mission. RIS I is the delivery... ...Team, utilizing ticketing systems for issue tracking and... ...compliance. Required Clearance: TS/SCI with polygraph. (#ts/... ...benefit programs: critical illness/accident hospital...Temporary workWork at officeLocal areaRelocationShift work$190k - $220k
Overview SME Network Engineer Herndon, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence... ...solutions, DevSecOps, systems engineering, software...- Booz Allen Hamilton seeks a Journeyman Data Engineer, Senior to join a mission-focused data team. You will design, develop, and operationalize complex data applications, handling structured and unstructured sources, and building scalable ETL/ELT workflows. Collaboration...
$220k - $330k
...Simulation Platforms (Active TS Clearance)Anduril·Costa... ...company with a mission to transform U.S. and allied... ...changing how military systems are designed, built and... ..., sensor fusion, and networking technology to the military... ...and/or training, critical skills, and/or business...Full timeWork experience placement- ...Solutions is seeking a Senior Database Administrator to join our team in Columbia, Maryland... ...database environments supporting critical systems. Key responsibilities include disaster... ...DBA experience and a technical degree; TS/SCI with Full Scope Polygraph #J-18808-Ljbffr...
- Systems Administrator/Engineer - II (Systems Administrator... ...delivers innovative, mission-focused solutions... ...security and critical operations. Our teams... ...systems engineering, network architecture,... ...Active Top Secret (TS) / Sensitive Compartmented... ...Information (SCI) required...Local area
$64.8k - $97.2k
...Network Administrator We offer thousands of free programs every day for people from all walks... ...Library's Windows desktop and server systems. Assist in supporting the Library's... ...implementing programs aligned with our mission and vision. You will be immersed in a...- NS2 Mission is seeking an experienced Cloud Solutions Architect to design, develop, and implement secure, scalable cloud architectures supporting mission-critical applications. You will work with engineering teams to modernize deployments and deliver innovative cloud-native...
- Erias Ventures, LLC is seeking a Senior System Administrator to provide support, troubleshooting and... ..., and resolve issues across servers, networks and storage. The role requires a Bachelor... ...SA experience; a current Top-Secret/SCI with polygraph clearance is required. Candidates...
$73.45k - $132.78k
Systems Administrator Location: Keyport, WA Help Secure Critical Naval Operations Leidos is seeking a Systems Administrator to support... ...and cybersecurity support for mission critical information systems... ...Secret security clearance with SCI eligibility. Current certification...
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