Senior System Administrator - FS Poly Jobs
ClearanceJobs
Job TitleSystem AdministratorJob DescriptionStanley 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
$115k - $170k
...System Administrator OpportunitiesStanley Reid is a specialized recruiting firm connecting top contractors... ...to a personalized, stress-free job search, matching your unique skills and... ...problems.Clearance RequirementsTS/SCI with FS Polygraph is required. We are not able to...SuggestedFor contractors- ...Senior Software Engineer (Team Lead) - FS Poly Aurora, CO Who We Are Stanley Reid is a specialized recruiting... ...to a personalized, stress‑free job search, matching your unique skills... ...enhance complex and diverse software systems. This includes creating processing‑...SeniorFor contractors
- ...Northrop Grumman Space Systems in Aurora, Colorado, seeks a Systems Administrator - Level 5 to oversee Linux and Windows environments on major government contracts... .... Required are a TS/SCI clearance with Full Scope Poly, and a DoD 8570 IAT Level 2 cert or ability to...Senior
$92.5k - $171.5k
Job Title: Senior Specialist, Cyber Infrastructure Systems Engineer (Systems Administrator)Job Code: 47239Job Location: Schriever Space Force Base, COJob Schedule: 5/8 - Employees... ...experience.Clearance: Top Secret SCI. CI Poly preferred.DoD 8570.01-M IAT Level 2 Required...SeniorFlexible hours$68.9k - $131.1k
...Raytheon Linux System AdministratorYou will be supporting a Raytheon program in a classified environment as a Linux System Administrator in Aurora, CO or Richardson, TX.Responsibilities include... ...U.S. government issued TS/SCI with poly security clearance is required...SuggestedTemporary workWork experience placementRelocationFlexible hours$68.9k - $131.1k
...Raytheon Linux System AdministratorAurora, CO Top Secret/SCI Polygraph Career Level not... ...classified environment as a Linux System Administrator in Aurora, CO or Richardson,... ...transferable U.S. government issued TS/SCI with poly security clearance is required prior to...Temporary workWork experience placementWork at officeRemote workFlexible hours$115k - $190k
...Sr. Data Scientist, to 190k - FS PolyStanley Reid is a specialized... ...to a personalized, stress-free job search, matching your unique... ...The Role Our client is seeking a Senior Data Scientist to provide technical... ...mission-critical software and systems. You will develop custom data...SeniorFor contractorsRemote work$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$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...Senior- ...Terumo Blood and Cell Technologies in Colorado seeks a Systems Administrator to join the ITS Systems Operations team. The role provides expertise in server-based systems, VMware, Azure, Office 365, SQL, Active Directory, and IT data center hardware, supporting operations...SeniorWork at office
$90k - $110k
...Job PostingAurora, CO Top Secret/SCI Polygraph Career Level not specified... ...0 - $110,000Job DescriptionSystems Administrator Aurora, CO Active TS/SCI w/ Poly Compensation Range: $90,000 - $110,... ...virtual environment Perform Operating System, and hardware troubleshooting in...Full time$114k - $171k
...Principal Or Sr Principal Systems Administrator - Workflow EngineerAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive...SeniorShift work$170k - $210k
...Solutions is seeking a highly experienced Senior Linux Infrastructure Engineer to support the day-to-day operation, administration, security, and continued evolution of DeNOVO... ...overseeing windows‑based infrastructure, securing systems and networks, and troubleshooting across...Full time- System Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive... ...have you on board! *** Please note that our job openings are dynamic and can open or close...Temporary workFor contractorsImmediate startFlexible hours
- ...We have an exciting opportunity for a Senior. Platform DevOps Engineer supporting one... ...team of Platform engineers and Systems Administrators leading the industry in ground systems... ...certification Active and Current TS/SCI with CI Poly security clearance is required on day 1...Full timeWork experience placement
- ...Windows, UNIX, and embedded platforms. The role requires a strong foundation in Python/C/C++ and experience with debugging complex systems. On-site opportunities exist across multiple locations, including Aurora, CO, with a polygraph-required clearance. The position...Senior
- ...Crusoe is seeking a Staff Enterprise Technology Administrator to own financial platforms and automation across Procure-to-Pay and Order-to... ...improvement. You will partner with Procurement, Finance, and Accounting leadership to ensure reliable systems and proactive #J-18808-LjbffrSenior
- ...Principal Systems AdministratorAt Envision Innovative Solutions, we're more than a technology company—we're a team of innovators, problem... ..., career-oriented, and customer-focused Principal Systems Administrator to join our team in Aurora, Colorado. Primary Responsibilities...
$75.8k - $144.2k
Job ID: 01885693Posted: Posted TodayStart Date: 2026-10-28Location: US-CO-AURORA-S75 ~ 1... ...Security Clearance Type: TS/SCI with CI Poly - Current Security Clearance Status: Active... ...focused, team player·Familiarity in technical systems engineering and integration or IT support/...SeniorTemporary workWork experience placementSecond jobWork at officeRemote workMonday to FridayFlexible hours- ...Raytheon is seeking a Senior Systems Engineer-Shift Lead to provide technical leadership, daily operational coordination, and mission execution... ...and engineering expertise. The position requires active TS/SCI CI Poly clearance and U.S. citizenship. #J-18808-Ljbffr...SeniorShift work
- ...RTX is seeking a Senior Systems RF/Hardware Engineer in Aurora, CO to contribute to RF ground system development, maintenance, and modernization... .... This senior O&M role requires a transferable TS/SCI with CI Poly clearance and U.S. citizenship. The position focuses on...Senior
- ...VTG seeks a Senior Enterprise Systems Integrator to provide enterprise‑level integration leadership across mission‑critical environments. Based... ...Release Trains and partners. The role requires TS/SCI with Poly, a Bachelor’s degree (Master’s preferred), and 10+ years in...Senior
$131k - $198k
Position Summary Salesforce Life Sciences Cloud, Senior ConsultantOur Deloitte Customer team empowers organizations to build deeper... ...and connect and grow through mentorship. From on-the-job learning experiences to formal development programs, our professionals...SeniorLocal areaVisa sponsorship- ...General Dynamics Information Technology is seeking a Systems Administrator Technician to support Tier 2 O&M hardware for critical IT environments on a customer site. You will maintain desktops, servers, VoIP, video conferencing, and related hardware, perform troubleshooting...
$104k - $135k
...Systems AdministratorAurora, CO Top Secret/SCI Polygraph not specified Mid Level Career (5+ yrs experience... ...is required TEKsystems is looking for a Systems Administrator for a large government integrator in Aurora, CO. Job responsibilities will include, but not be...Temporary workWeekend work- ...Unpaid Fellowship Through The Department Of War (DoW) SkillBridge ProgramTransform technology into opportunity as a Systems Administrator Fellow with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront...Immediate startWorldwide
$100k - $200k
...Job PostingAurora, CO Intel Agency (NSA, CIA, FBI, etc) CI Polygraph Career Level not... ...our team provides expertise in network, system engineering and both offensive and... ...seeking a Linux / UNIX / Windows System Administrator that will provide Tier 2 technical support...Temporary workWork experience placementLocal areaFlexible hours$55.2k - $126k
...Systems Administrator, MidThe Opportunity:What if you could use your hardware and software skills to improve the technology supporting the intelligence community (IC)? With so much relying on complex systems, a skilled systems administrator can be the difference that makes...Full timeContract workPart timeLocal areaRemote workWeekend work$7.5k
...RealmOne Job OpportunityRealmOne was built on the principle that people matter first and foremost. We believe in providing a strong... ...troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these...Work experience placementImmediate startFlexible hours- ...Overview VTG is looking for an Agile System Engineer III to provide technical leadership for systems engineering activities across... ...long range planning Do you have what it takes? ~ TS/SCI with Poly Required ~ Bachelor’s Degree in Systems Engineering, Engineering...SeniorContract work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior System Administrator - FS Poly Jobs. Be the first to apply!
- computer systems administrator Aurora, CO
- systems administrator Aurora, CO
- IT administrator Aurora, CO
- enterprise administrator Aurora, CO
- system admin Aurora, CO
- server administrator Aurora, CO
- IT infrastructure administrator Aurora, CO
- application system administrator Aurora, CO
- senior cloud service delivery manager Aurora, CO
- senior software design engineer Aurora, CO



