Senior Systems Administrator - TS/SCI Poly, Onsite 8x5
SwiftCruit
SwiftCruit is seeking a Senior Systems Administrator to support a Raytheon program at Buckley Space Force Base in Colorado. The candidate will monitor critical systems, maintain security posture, and collaborate with diverse teams in a classified environment. Applicants must have relevant experience, an active TS/SCI with Poly clearance, and a DoD 8570 IAT Level 2 certification. The position offers a competitive salary and comprehensive benefits. #J-18808-Ljbffr SwiftCruit
- Position Systems Administrator, Senior Analyst - Raytheon Digital Technology - ASDS Programs Location... ...18500 E 6th Ave) Employment Type: Onsite (8x5 with after‑hours call‑in... ...transferable U.S. government‑issued TS/SCI with Poly security clearance and U.S. citizenship...SeniorTemporary workCasual workRelocationFlexible hours
$90k - $110k
...contractor in Aurora, CO is seeking a Systems Administrator to monitor and maintain computer... ...field. Candidates must have a Current TS/SCI CI Poly security clearance and experience with... ...Linux. This position is full-time and onsite, offering a compensation range of $90...SuggestedFull timeFor contractors- Cornerstone Defense, located in Aurora, CO, is seeking a Senior Linux Systems Administrator. This role involves supporting a classified program, maintaining... .... Candidates must have a Bachelor's degree and active TS/SCI clearance. Benefits include a comprehensive health...Senior
$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...Senior- ...Company in Aurora, CO is seeking a Senior RF Hardware Engineer to tackle... ...supporting advanced test systems for hardware validation throughout... ...have a STEM degree, active TS/SCI clearance, and experience with... ...systems. The position is onsite and requires U.S. Citizenship,...Senior
$68.9k - $131.1k
...8 Position Role Type Onsite Security Clearance Active... ....S. government issued TS/SCI with CI Poly - Current. U.S.... ...Raytheon Air & Space Defense Systems (ASDS) is looking for an experienced Senior IT Systems Technician... ..., cabling, and administration Install, upgrade, repair...SeniorFull timeTemporary workRelocationFlexible hours$177k - $265.6k
Northrop Grumman in Aurora, Colorado is seeking a Staff Systems Administrator to work on revolutionary systems impacting lives globally. This role... ...alongside extensive IT experience and active Top Secret/SCI clearance. Compensation includes a salary range of $177,000.0...Senior$158k - $190k
A high-tech solutions company is seeking a Senior Systems Administrator to ensure the smooth operation of multi-user computer systems. Candidates must have an active TS/SCI + CI Poly clearance, along with a CompTIA Security+ certification and experience in systems administration...Senior- Riverstone Enterprise Solutions is looking for a motivated Systems Administrator Level 2 in Aurora, CO, for a hybrid position. Responsibilities... ...discipline or equivalent experience is needed. An active TS/SCI with Full Scope Polygraph clearance is required. #J-18808-Ljbffr...Senior
- ...enterprise environments and requires an active TS/SCI clearance with Polygraph. Ideal... ...possess expertise in Windows and Linux administration, along with strong troubleshooting skills. The successful candidate will manage systems, assist with user issues, and ensure optimal...Senior
- Envision Innovative Solutions is seeking a motivated Systems Administrator Level 3 for their Aurora, Colorado location. The role includes supporting... ...'s degree in a technical field, and must hold an active TS/SCI clearance with Full Scope Polygraph. Join a collaborative...Senior
- A leading recruiting firm is seeking an experienced System Administrator in Aurora, CO. The ideal candidate will manage complex IT systems, providing... ...and familiarity with UNIX and Windows operating systems. A TS/SCI clearance is required. This position offers an excellent...Senior
$69.72 - $79.33 per hour
EverWatch, located in Aurora, Colorado, is seeking an experienced System Administrator to support mission-critical enterprise IT systems. The ideal... ...of federal clients. Successful applicants will require TS/SCI clearance with a polygraph. Compensation ranges from $69.72...SeniorHourly pay- ManTech is seeking a motivated System Administrator to join our team in Denver, Colorado. This role involves managing IT system infrastructure... ...strong knowledge of RedHat Linux and Windows. An active TS/SCI clearance is a requirement for this position. #J-18808-Ljbffr...Senior
- Infozone Inc in Littleton, Colorado is seeking an experienced System Administrator to join their team. The successful candidate will provide... ...of relevant experience, a Bachelor's Degree, and hold a TS/SCI w/Poly security clearance. Proficiency in AIX and RHEL is...Senior
$130k - $170k
...Aurora, Colorado, is seeking a Sr Staff/Senior Software Engineer to support Missile... ...programs. The role involves customer-facing onsite support, system optimization, and troubleshooting for... ...engineering, along with an active TS/SCI security clearance. Competitive salary...Senior- Legion Technical Solutions LLC in Aurora, Colorado, is seeking a Senior Systems Engineer to provide systems engineering and integration... ...of 5 years of engineering experience and requires an active TS/SCI CI Poly security clearance. The position includes project management...SeniorFlexible hours
- Infozone Inc in Littleton, Colorado is looking for a skilled Systems Administrator to join their Military Support Programs team. The position... ...significant experience (15+ years) in the field, as well as a current TS/SCI Clearance. Strong communication skills and attention to...Senior
- ...scenarios, ensuring high availability and performance of critical systems. This role requires strong expertise in Perl, Amazon Web... ...and RedHat Linux, along with a Bachelor's Degree and a current TS/SCI Clearance. Join a dynamic team focused on cloud computing and server...SeniorFull time
- A technology solutions firm is seeking a Systems Administrator to ensure smooth operation of multi-user computer systems. The role involves... ...backup recovery. Applicants must possess an Active TS/SCI + CI Poly clearance, and 8-10 years of relevant experience or a comparable...
$89.3k - $157.55k
...Engineer to develop and review test artifacts and oversee system-level tests. Candidates must have a Bachelor's... ...proficiency in a high-level scripting language, and TS/SCI clearance. This full-time role requires onsite work, offering a competitive salary range of $89,300...SeniorFull time$90.3k - $189.6k
...International Inc. is looking for a Contractor Program Security Administrator in Aurora, Colorado. This role requires an individual with... ...candidates should have at least 8 years of related experience, a TS/SCI security clearance, and a high school diploma. Competitive...SeniorFor contractors$115k - $175k
Senior Infrastructure/DevSecOps Engineer (TS/SCI with CI Poly) {S} Job Category : ENG Requisition Number : SENIO003006 Posted : August 8, 2025 Full-Time On-site Locations Showing 1 location Aurora, CO 80011, USA Description ARKA Group L.P. (“ARKA”) is an advanced...SeniorFull timeTemporary workWork experience placementWork at officeRemote workVisa sponsorshipRelocation packageFlexible hours$90 - $110 per hour
..., along with expertise in Java or C++, cloud environments, and an active TS/SCI clearance. This position offers a full-time employment type along with competitive compensation between $90 to $110 per hour, depending on experience. #J-18808-Ljbffr Associates Systems LLCSeniorHourly payFull timeFor contractors- ...challenges. The Role Our client is seeking an experienced System Administrator to manage, troubleshoot, and maintain complex Information Technology... ..., and software integration. Clearance Requirements TS / SCI with FS Polygraph is required. We are not able to upgrade clearances...SeniorFor contractors
$190k - $280k
...support U.S. Government customers. You will develop and enhance complex software systems while ensuring adherence to design requirements. Eligible candidates must possess an active TS/SCI with Polygraph clearance and have over 20 years of experience in software engineering...Remote job- Raytheon is seeking a Senior IT Systems Technician to support our team in Aurora, CO. Candidates should provide Tier 2 Operations & Maintenance for real-time IT Systems, ensuring the successful completion of assigned tasks and projects. The role requires experience in maintaining...Senior
- Geologic is searching for a Senior Principal Systems Engineer to work on-site in Aurora, CO. In this role, you will oversee the technical aspects... ...0 years of experience in systems engineering and an Active TS/SCI clearance. The compensation is based on experience,...Senior
$110.5k - $149.5k
...Information Technology (GDIT) is seeking a Linux/Microsoft Systems Administrator to join our team in support of a Federal Intelligence Agency... ...experience. 5+ years of related systems administration experience TS/SCI with Polygraph is required. Candidate must possess an...Contract workTemporary workImmediate startRemote workWorldwide- System Administrator Location: Aurora, CO Category: Systems Administrator Travel Required: No Remote Type: No Clearance: TS/SCI w/ Polygraph Responsibilities Provide support for implementation, troubleshooting and maintenance of IT systems Provide Tier 1 (Help Desk...Temporary workImmediate startRemote work
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