Senior System Administrator - TS/SCI (Remote)
Onyx Point, Inc.
Onyx Point, Inc. is seeking a highly experienced Systems Administrator with an active TS/SCI clearance and full scope polygraph. Candidates must have 10 years of SA experience on programs of similar scope, plus a technical bachelor’s degree or five years additional SA substitution.
U.S. citizenship is required. The role focuses on implementing, troubleshooting, and maintaining IT systems, with emphasis on Tier 1 and Tier 2 support, UNIX/Windows administration, and capacity planning.
#J-18808-LjbffrVacancy posted 6 hours ago
Similar jobs that could be interesting for youBased on the Senior System Administrator - TS/SCI (Remote) in United States vacancy
$146k - $234k
ResponsibilitiesMid-level Network / Desktop Administrator to support and maintain... ...response to IAVAs, ensuring systems remain compliant with... ...substituted for a BS.An active TS/SCI w/Poly is required.5+ years... ...Firepower/ASA).Familiarity with remote administration tools....Remote workSeniorContract workShift workPeraton Corporation
Annapolis Junction, MD6 days ago$112k - $179k
...exciting opportunity for an experienced Senior Systems Administrator to provide system engineering,... ...right candidate will hold an active TS/SCI clearance, with the ability to obtain... ...permissions and sharing, access controls, and Remote Desktop.Perform system upgrades,...Remote workSeniorContract workShift workPeraton Corporation
Annapolis Junction, MD8 days ago$93.66k - $115k
...Windows Systems AdministratorGDIT is looking for a Windows Systems Administrator that holds an active TS/SCI eligible clearance for a position located in Arlington, Va. This position... ...a member of a dispersed team providing remote helpdesk support. This work is performed...Remote workSeniorWork at officeLocal areaGeneral Dynamics Information Technology
Arlington, VA8 hours ago- ...Network Computer Systems AdministratorTransform technology into opportunity with GDIT. A... ...appliances, including VPN solutions and secure remote access.Implement and manage firewall... ...preferred.Security Clearance Level: Active TS/SCI with PolygraphLocation: 100% On-Site...Remote workSenior
General Dynamics
Washington DC4 days ago $165.75k - $224.25k
...Currently Possess: Top Secret SCI + Polygraph Clearance Level Must... ...: Skills: Critical Systems, Information Technology (IT) Systems... ...Job Description SYSTEMS ADMINISTRATOR SME Advance how our customers... ...work US Citizenship Required TS/SCI with CI Poly Desired Qualifications...Remote workSeniorTemporary workImmediate startWorldwideFlexible hoursGeneral Dynamics Information Technology
Reston, VA5 days ago$91.8k - $124.2k
...Systems Administrator Senior – TS/SCI RequiredMake meaningful contributions that fuel critical outcomes for some of the most complex government, defense, and intelligence projects. Join GDIT as a Systems Administrator Senior with a career where your growth is just as important...Remote workSeniorTemporary workLocal areaImmediate startWorldwideFlexible hoursGeneral Dynamics Information Technology
Schofield Barracks, HI5 days ago$124.09k - $161k
...Network Computer Systems AdministratorTransform technology into opportunity... ...a Network Computer Systems Administrator, you will help ensure today... ...VPN solutions and secure remote access.Implement and manage... ...Security Clearance Level: Active TS/SCI with PolygraphLocation: 100%...Remote workSeniorTemporary workImmediate startWorldwideFlexible hoursGeneral Dynamics Information Technology
Washington DC4 days ago$91.8k - $124.2k
...Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI +... ...US Citizenship Required: Yes Job Description: Systems Administrator Senior - TS/SCI required Make meaningful contributions that fuel critical...Remote workSeniorContract workTemporary workLocal areaImmediate startWorldwideFlexible hours- ...computers running on one or more operating systems The Sr Systems Administrator is responsible for the operations,... ..., hosts, and devices via vCenter, remote desktop protocols, and other... ...ITIL framework ~ Must have current TS/SCI security clearance ~ Must be a U....Remote workSeniorContract workWork experience placementLocal areaShift workNight shift
$224k - $274k
...Akina, Inc. is seeking a senior SA to join our Fort Meade team, supporting IT systems deployment, troubleshooting and maintenance within a TS/SCI-Polygraph environment. The role emphasizes Tier 3 problem resolution, infrastructure management and coordinating status with...SeniorAkina
Maryland4 days ago$170k - $175k
...A management and technology consulting firm is seeking a Senior System Administrator to support IT system infrastructure in Annapolis Junction,... ...candidate will have at least 10 years of experience and an active TS/SCI clearance. Responsibilities include troubleshooting,...SeniorInnovative Systems LLC
Maryland9 hours ago- ...solutions provider in Columbia, Maryland is seeking a skilled System Administrator to manage IT systems for critical applications. The ideal... ...familiarity with PowerShell and system hardening, and must hold a TS/SCI with Polygraph clearance. This role offers a competitive...Senior
Red Alpha
Columbia, MD8 hours ago $95.2k - $128.8k
...Systems Administrator Senior (MECM)Transform technology into opportunity as a Systems Administrator Senior (MECM) with GDIT. A career in enterprise... ...Server platformsPowerShell scriptingSecurity Clearance Level: TS/SCIRequired Certification(s):DoD -M IAT Level II/8140...Remote workSeniorTemporary workImmediate startWorldwideFlexible hoursGeneral Dynamics Information Technology
Savannah, GA5 days ago$155k - $175k
...Envision Innovative Solutions is hiring a Systems Administrator Level 2 in Aurora, CO. In this role, you will provide essential support for the... ...a Bachelor's degree. The position requires a current Active TS/SCI clearance. The projected salary range is $155,000.00-$175,00...SeniorEnvision Innovative Solutions
Aurora, CO10 hours ago$68.9k - $131.1k
...clearance Security Clearance Type: TS/SCI with CI Poly - Current... ...and proprietary information system capabilities and create end-to... ...as a Linux System Administrator in Aurora, CO or Richardson,... ...designated as on-site, hybrid or remote.The salary range for this role...Remote workTemporary workWork experience placementWork at officeFlexible hoursRaytheon
Aurora, CO8 days ago$170k - $200k
...Legato, LLC is seeking a Senior Systems Administrator in Aurora, CO to support complex enterprise IT systems. TS/SCI with Polygraph clearance is required and the salary range is $170,000–$200,000 depending on experience. You will manage daily system operations, monitor...Seniorlegato
Aurora, CO4 days ago- Job Title: Sr. Associate Systems AdministratorJob Code: 44349Job Location: Palm Bay, FLJob... ...System/Network desktop support administrator to join our IT team. The ideal candidate... ...security best practices.Current active TS/SCI clearance with a full-scope polygraph.Preferred...SeniorWork at office
L3Harris Technologies
Palm Bay, FL5 days ago $150k - $210k
...Senior HPC Systems Administrator (TS/SCI)Location: Aberdeen Proving Ground, MD Work Arrangement: 100% Onsite Salary Range: $150,000–$210,000, depending on experience Clearance: Active/Current Top Secret/SCIAbout the RolePGTEK is seeking an experienced Senior High-Performance...SeniorPGTEK
Aberdeen Proving Ground, MD5 days ago- ...Knonix seeks a Sr. System Administrator for High Performance Computing in Utah. You will deliver HPC capabilities across multi-vendor clusters, with TS/SCI clearance. Onsite/hybrid work includes SCIF requirements, and you will configure Linux/UCS, manage HPC networks...Senior
Knonix
Eastern, KY3 days ago - ...Northrop Grumman Space Systems in Aurora, Colorado, seeks a Systems Administrator - Level 5 to oversee Linux and Windows environments on major government contracts... ...On-site role with travel as needed. Required are a TS/SCI clearance with Full Scope Poly, and a DoD 8570 IAT...Senior
Northrop Grumman
Aurora, CO10 hours ago - ...A&M Technologies, Inc. in Herndon, VA seeks an experienced Cloud System Administrator to manage cloud-based applications across Windows and Linux, leveraging AWS services. The role requires TS/SCI with CI Poly clearance and an AWS Practitioner certification. You will...Senior
Amtechies
Herndon, VA8 hours ago - ...Lentech, Inc in Bethesda, MD seeks a senior SA to support DoD IT systems in a highly secure environment. You will lead implementation, troubleshooting... ...operations and automation. Required are active TS.SCI with FSP, 10 years SA experience, DoD 8570 IAT Level I+,...Senior
Lentech
Bethesda, MD3 days ago $25k
...SYSTEM ADMINISTRATOR - Linux/RedHat/Splunk - 15+ yrs of Experience - TS/SCI w/Poly clearance is required - ID - 525 Posted On 09/29/2026 Job Information Technology... ...Travel Required: No Shift: Day Remote Type: Onsite Call in Support: Yes...Remote workContract workTemporary workWork experience placementShift workHalogen Engineering Group, Inc
Maryland3 days ago- ...Systems AdministratorNorthHill Technology Resources has an immediate need for a Systems Administrator to support a Federal Program in St Louis, MO. This... ...Federal Integrator. An active TS/SCI Clearance is required.As... ...with both on-site and remote users to resolve issues,...Remote workWork experience placementImmediate startFlexible hoursWeekend work
NorthHill Technology
Saint Louis, MO4 days ago $175k - $215k
...Amentum is seeking a System Administrator 3 to provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution... ...and Linux as an end user Clearance Required: TS/SCI Poly Minimum Education: Bachelor’s degree in a technical...SeniorHourly payContract workLocal areaAmentum
Maryland2 days ago- Northrop Grumman Space Systems in Aurora, Colorado is seeking a Systems Administrator - Level 5 to support large government contracts with a TS/SCI clearance and a polygraph. The role focuses on Linux/Windows system administration, VMware and NetApp ONTAP storage, security...SeniorRelocation package
- ...interest of national security. Job Title: Sr. Associate Systems Administrator Job Code: 44349 Job Location: Palm Bay, FL Job Schedule... ...PowerShell, and security best practices. Current active TS/SCI clearance with a full-scope polygraph. Preferred...SeniorWork at officeLocal area
$176k - $282k
ResponsibilitiesThe Systems Engineer -Splunk Administrator will support a critical mission of consequence within our Cyber Mission Business Unit in Annapolis... ...with Splunk and in planning and leading SystemsActive TS/SCI security clearance with current polygraph requiredHighly...SeniorContract workFor contractorsShift workPeraton Corporation
Annapolis Junction, MD4 days ago$150k - $210k
...Job Description Job Description Senior HPC Systems Administrator (TS/SCI) Location: Aberdeen Proving Ground, MD Work Arrangement: 100% Onsite Salary Range: $150,000–$210,000, depending on experience Clearance: Active/Current Top Secret/SCI About...SeniorFull timeTemporary workImmediate startRelocation packagePGTEK
Aberdeen Proving Ground, MD3 days ago- ...RESPONSIBILITIES: This position is for System Administrator support for development and production... ...as they arise. Requirements: · TS/SCI Clearance with polygraph · Experience... ...schedule to include onsite, hybrid or remote, as dictated by position 4. 401(k) and...Remote workFor contractorsFlexible hours
Solerity
Maryland, MD3 days ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior System Administrator - TS/SCI (Remote). Be the first to apply!
Related searches
- entry-level systems administrator United States
- office 365 and sharepoint system administrator United States
- system admin United States
- microsoft systems administrator United States
- systems administrator internship United States
- financial systems administrator United States
- application system administrator United States
- computer systems administrator United States
- associate system administrator United States
- hpc system administrator United States