Senior System Administrator - FS Poly
stanleyreid
Who We Are Stanley Reid is a specialized recruiting firm connecting top contractors with exciting IC/DoD opportunities. We're dedicated to a personalized, stress-free job search, matching your unique skills and goals with the perfect role. About Our Client Since 2006, our client's agile, tech-savvy teams have tackled complex missions for the IC/DoD, crafting elegant solutions that leave a lasting mark. Forget the corporate grind and embrace a collaborative, small-company culture where creativity thrives. They value your unique spark, empowering you to make a real difference alongside like-minded experts passionate about bleeding-edge technologies and safeguarding our nation. You'll receive a competitive salary, comprehensive family healthcare, generous PTO, and a rewarding 10% 401k match. The true reward, however, is the impact you'll make, wielding cutting-edge tech to solve real-world challenges. The Role Our client is seeking an experienced System Administrator to manage, troubleshoot, and maintain complex Information Technology (IT) systems across the enterprise infrastructure. You will be responsible for the day-to-day operation, monitoring, and problem resolution for client/server/storage/network devices and mobile systems. This role includes providing both Tier 1 (Help Desk) and Tier 2 (Escalation) support, configuring and managing UNIX and Windows operating systems, and supporting the installation and maintenance of Cisco routers and switches to ensure optimal system integrity and performance. Compensation for highly qualified candidates can reach 220k, with a robust benefits package. What You'll Bring Fifteen (15) years of experience as a System Administrator (SA) in programs of similar scope and complexity. A Bachelor’s degree in a technical discipline (or five [5] years of additional SA experience in lieu of a degree). Strong experience in configuring and managing UNIX and Windows operating systems. Expertise in installing and maintaining Cisco routers and switches. Experience with AWS and Linux environments (Preferred). Ability to analyze and resolve complex problems associated with server hardware, applications, and software integration. Clearance Requirements TS/SCI with FS Polygraph is required. We are not able to upgrade clearances or accept CCAs. Please note, you must have the required clearance for consideration; under-cleared applicants will not receive a response. Location Aurora, CO Please Note Due to high application volume, we are unable to confirm receipt of submissions or provide updates. We will contact you directly if there is a match. Opportunities change frequently; We cannot guarantee availability. Posted on (10/09/2025) Posted on (10/09/2025) #J-18808-Ljbffr stanleyreid
$115k - $170k
System Administrator (multiple levels) to 170k, FS Poly Aurora, CO Role Overview We are seeking System Administrators at both Level 1 and Level 2 tiers to support the implementation, troubleshooting, and maintenance of critical IT systems. The role involves managing infrastructure...Suggested- ...perfect fit. The Role Our client is seeking a proactive DevOps Systems Administrator to streamline development and operations processes. In this... ...and database management. Clearance Requirements TS/SCI with FS Polygraph is required. We are not able to upgrade clearances...SuggestedFor contractorsFlexible hours
- Sunayu, LLC is seeking a senior Systems Administrator to support, troubleshoot and maintain IT systems across enterprise environments. The role emphasizes day-to-day operations, monitoring, problem resolution, and escalation to ensure reliability and performance of client...Senior
- Legato, LLC in Aurora, Colorado seeks a System Administrator to support implementation, troubleshooting and maintenance of IT systems. You will provide Tier 1 help desk support, manage daily configuration and operation, assist users, and escalate issues to Tier 2 while...Senior
$190k - $280k
...Principal Full-Stack Architect, to 280k - FS Poly ~ Aurora, CO About Our Client Our client, established in 2012, is a leader... ...Software Engineer to develop, maintain, and enhance complex software systems, including processing-intensive analytics and real-time systems...SuggestedRemote work- Stanley Reid & Company is seeking an experienced System Administrator for a client in Aurora, CO. You will manage, troubleshoot, and maintain complex IT systems enterprise-wide, handling day-to-day operations, monitoring, and incident resolution for servers, storage, networks...Senior
$177k - $265.6k
Northrop Grumman in Aurora, Colorado is seeking a Staff Systems Administrator to work on revolutionary systems impacting lives globally. This role involves system administration across Linux and Windows platforms, managing VMware technologies, and supporting Cyber Security...Senior$68.9k - $131.1k
...Security Clearance Type: TS/SCI with CI Poly - Current Security Clearance Status: Active... ...classified, and proprietary information system capabilities and create end-to-end... ...classified environment as a Linux System Administrator in Aurora, CO or Richardson, TXResponsibilities...Temporary workWork experience placementWork at officeRemote workFlexible hours$158k - $190k
Overview We are seeking a Senior Systems Administrator to join our Task Order proposal on the Defense Intelligence Agency’s Solutions for the Information... ...staff. Required Qualifications Active TS/SCI + CI Poly clearance Active CompTIA Security+ At least one advanced...SeniorFull timeContract workTemporary workMonday to FridayWeekend workAfternoon shift$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- ...Leidos is seeking an IT Engineer with Microsoft Enterprise Systems Administrator experience to join our team in support of a Federal Intelligence Agency contract located in Alice Springs, AUS. Responsibilities Provide Tier 2 support maintaining multiple large enterprise...SeniorContract workTemporary workRemote work
- Riverstone Enterprise Solutions is looking for a motivated Systems Administrator Level 2 in Aurora, CO, for a hybrid position. Responsibilities include troubleshooting IT systems and providing Tier 1 and Tier 2 support. Candidates must have ten years of relevant Systems...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 implementation, troubleshooting, and maintenance of IT systems, ensuring optimal operations. Qualified candidates will have at...Senior$60k - $90k
Position Summary The Senior Systems Administrator acts as the second tier of support for Meriplex’s Technical Assistance Center (TAC) and reports to a TAC Manager. In addition to working within the TAC’s ticketing system to resolve Level 2 end user issues, this role acts...Senior- Riverstone Enterprise Solutions is seeking a motivated, customer-oriented Systems Administrator Level 2 to join our team in Aurora, CO . This is a Hybrid position. Primary Responsibilities Provide support for implementation, troubleshooting, and maintenance of IT systems...Senior
$155k - $175k
...agility of a small company with the impact of a big mission. Riverstone is seeking a motivated, career, and customer‑oriented Systems Administrator Level 2 to join our team in Aurora, CO. This position is onsite. Primary Responsibilities: Provide support for...SeniorHourly payContract workWork experience placement$60k - $90k
Meriplex Communications, Ltd. is seeking a Senior Systems Administrator to act as the second tier of support for its Technical Assistance Center. This role involves resolving Level 2 end user issues, providing excellent customer service, and contributing to a collaborative...Senior- Innovative Signal Analysis, Inc. seeks skilled engineering professionals for Junior to Senior System Administrator roles. You will administer Windows and Linux servers, manage AD, PKI, and certificate services, and contribute automation and infrastructure improvements across...Senior
- RealmOne is seeking a Level 2 System Administrator to join our team in Aurora, Colorado. This role involves providing Tier 1 and Tier 2 support, troubleshooting issues, and managing UNIX and Windows operating systems. Candidates must have ten years of experience as a System...SeniorFlexible hours
$60k - $90k
Meriplex, located in Aurora, Colorado, is hiring a Senior Systems Administrator to provide support for their Technical Assistance Center. This role involves resolving technical issues, managing server maintenance, and delivering exemplary customer service. Candidates should...Senior- RTX is seeking a Principal Systems Administrator in Aurora, CO to support Windows and Linux environments in a classified DoD program. You will implement, maintain, patch, and troubleshoot core infrastructure and virtualized platforms in a secure, on-site setting. The role...Senior
$125k - $145k
...Senior Linux Systems AdministratorSenior Linux Systems Administrator Aurora, CO Active TS/SCI with Poly Compensation Range: $125,000 – $145,000Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the...Senior- ...country from threats. Job Description VIRTUALIZATION SYSTEMS ADMINISTRATOR YOUR IMPACT Own your opportunity to support national... ...REQUIREMENTS: Virtualization Systems Administrator Senior - Requires a Bachelor’s degree in an IT‑related field or 8+...
$115k - $170k
Stanley Reid & Company in Aurora, CO is seeking System Administrators at Level 1 and Level 2 to support implementation, troubleshooting, and maintenance... ...for Level 2, a technical bachelor’s degree, and TS/SCI with FS Poly clearance. Applicants must be eligible for the required...$71.83 - $102.62 per hour
...opportunity with SOC's client in Aurora, CO. *Must Have Active TS/SCI CI Poly Job Description:Our Client is seeking a talented Principal... ...develops enhancements and modifications to existing software systems. The successful candidate will have experience and knowledge with...Contract work- Legion Technical Solutions LLC in Aurora, Colorado, is seeking a Senior Systems Engineer to provide systems engineering and integration... ...years of engineering experience and requires an active TS/SCI CI Poly security clearance. The position includes project management,...SeniorFlexible hours
- General Dynamics Information Technology is seeking a Systems Administrator Technician in Colorado Aurora. The role involves maintaining hardware, voice, video, network, and server equipment to support IT services. The technician will handle installation, maintenance, and...
$90k - $110k
...Job TitleSystems Administrator Aurora, CO Active TS/SCI w/ PolyCompensation Range: $90,000 -... ...VMware virtual environmentPerform Operating System, and hardware troubleshooting in bare-... ...experience.Must have a Current TS/SCI CI Poly transferable U.S. government issued...Full time- Leidos in Englewood, CO, seeks a Senior Systems Administrator/Help Desk Engineer to support the Chinook Agile software program for an IC customer. You will lead Linux/Windows system operations, ensure security and reliability, and collaborate with DevSecOps, cybersecurity...SeniorDay shiftAfternoon shift
- ...Job Description Job Description North Point Technology is looking to hire a Systems Administrator / Help Desk Engineer to support a cutting-edge Agile software development program for an Intelligence Community customer. The qualified candidate must have an active TS...Flexible hoursDay shiftAfternoon shift
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