Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior IT Systems Technician- Must have a TS/SCI Poly clearance

$68.9k - $131.1k

Raytheon

Location US-CO-BUCKLEY-SFB-CUST ~ 18500 E 6th Ave ~ BUCKLEY SFB (External Site) Date Posted 2026-06-18 Position Role Type Onsite Security Clearance Active and transferable U.S. government issued TS/SCI with CI Poly - Current. U.S. citizenship required. At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. Raytheon Air & Space Defense Systems (ASDS) is looking for an experienced Senior IT Systems Technician candidate to support our team based out of Aurora, CO . The selected candidate will provide Tier 2 Operations & Maintenance (O&M) for Program supported real‑time IT Systems. Responsible for the support, management, and successful completion of all tasks in assigned projects. The primary responsibilities of our IT Systems Technicians are to maintain computers, voice, video, network, and server hardware equipment used to support IT services. They also provide installation, maintenance, and troubleshooting support for information systems applications and related peripheral hardware. What You Will Do Perform Service Operations and support Service Transition activities for IT infrastructure to include desktop computers, thin clients, servers, telephones, cabling, and administration Install, upgrade, repair, support customer baseline equipment and related devices Perform anomaly/incident resolution, request fulfillment, Install Move Add Change Disposal (IMACD) support, Trusted Agent support, asset & configuration management of the operational baseline, and support overall incident and change management actions Troubleshoot, diagnose, isolate, and resolve system service failures to meet program resolution timelines (Critical, Essential and Support) Reseat cards, reboot hardware, replace hardware components, and replace cabling Re‑image or reload software to approved baseline standard and run diagnostics to repair storage discs or corrupted files Support non‑standard surge services for special projects and high visibility activities as directed 100% onsite full time based in Aurora, CO Qualifications You Must Have Typically requires bachelor’s and minimum of 2+ years of relevant prior experience. Must have an active and transferable U.S. government issued TS/SCI with polygraph security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Experience with desktop computers, thin clients, and servers’ installation and administration. Must have an active DoD 8570 IAT Level 2 certification (or higher). IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND. CompTIA Security+ CE is the minimum certification. Qualifications We Prefer Experience with VoIP phones, video conferencing, cabling standards, installation, systems administration, testing equipment, and ITIL. Current in IT technical knowledge to resolve complex issues requiring detailed systems and applications understanding. Team player that is willing to provide support to a variety of tasks and to support high priority customer activities. Excellent communication and customer interaction skills. What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration and Innovation. Relocation: Eligible. Salary range for this role is 68,900 USD - 131,100 USD. The salary range provided is a good faith estimate representative of all experience levels. Hired applicants may be eligible for benefits, including but not limited to medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective‑bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. #J-18808-Ljbffr Raytheon

Vacancy posted 8 hours ago
Similar jobs that could be interesting for youBased on the Senior IT Systems Technician- Must have a TS/SCI Poly clearance in Aurora, CO vacancy
  •  ...Solutions is seeking a motivated Systems Administrator Level 3 for...  ...and maintenance of IT systems, managing configurations...  .... Ideal candidates will have at least 15 years of experience...  ...in a technical field, and must hold an active TS/SCI clearance with Full Scope Polygraph.... 
    Senior

    Envision Innovative Solutions

    Aurora, CO
    4 days ago
  • $90k - $110k

     ...leading defense contractor in Aurora, CO is seeking a Systems Administrator to monitor and maintain computer...  ...minimum of 2 years in a relevant field. Candidates must have a Current TS/SCI CI Poly security clearance and experience with Linux. This position is full-time... 
    Suggested
    Full time
    For contractors

    Cornerstone Defense LLC

    Aurora, CO
    3 days ago
  • $69.72 - $79.33 per hour

     ...Colorado, is seeking an experienced System Administrator to support mission-critical enterprise IT systems. The ideal candidate will have over 10 years of experience in IT system...  .... Successful applicants will require TS/SCI clearance with a polygraph. Compensation ranges... 
    Senior
    Hourly pay

    EverWatch

    Aurora, CO
    1 day ago
  • $177k - $265.6k

     ...in Aurora, Colorado is seeking a Staff Systems Administrator to work on revolutionary systems...  ...Cyber Security efforts. Candidates must have a Bachelor's degree alongside extensive IT experience and active Top Secret/SCI clearance. Compensation includes a salary range of... 
    Senior

    Northrop Grumman

    Aurora, CO
    1 day ago
  • $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

    TekSynap

    Aurora, CO
    2 days ago
  • A technology solutions firm is seeking a Systems Administrator to ensure smooth operation of multi-user computer systems...  ..., and providing backup recovery. Applicants must possess an Active TS/SCI + CI Poly clearance, and 8-10 years of relevant experience or a comparable... 

    TekSynap

    Aurora, CO
    2 days ago
  •  ...looking for a motivated Systems Administrator Level 2 in...  ...include troubleshooting IT systems and providing Tier...  ...Tier 2 support. Candidates must have ten years of relevant Systems...  ...is needed. An active TS/SCI with Full Scope Polygraph clearance is required. #J-18808-Ljbffr... 
    Senior

    Envision Innovative Solutions

    Aurora, CO
    4 days ago
  •  ...firm is seeking an experienced System Administrator in Aurora, CO....  ...will manage complex IT systems, providing both Tier...  ...and Tier 2 support. Candidates must have 15 years of relevant experience...  ...Windows operating systems. A TS/SCI clearance is required. This position offers... 
    Senior

    Stanley Reid & Company

    Aurora, CO
    4 days ago
  •  ...located in Aurora, CO, is seeking a Senior Linux Systems Administrator. This role involves...  ...program, maintaining secure IT systems, and resolving technical issues. Candidates must have a Bachelor's degree and active TS/SCI clearance. Benefits include a comprehensive... 
    Senior

    Cornerstone Defense

    Aurora, CO
    8 hours ago
  •  ...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, stakeholder... 
    Senior
    Flexible hours

    Legion Technical Solutions LLC

    Aurora, CO
    18 hours ago
  • Raytheon is seeking a Senior IT Systems Technician to support our team in Aurora, CO. Candidates should provide Tier 2...  ...support for installations and troubleshooting. Eligible candidates must also possess a valid U.S. government security clearance. #J-18808-Ljbffr Raytheon
    Senior

    Raytheon

    Aurora, CO
    8 hours ago
  • $96k - $128k

    TekSynap is looking for a VDI/Images Systems Administrator in Denver, CO. Candidates should have a strong background in managing Citrix environments and a TS/SCI + CI Poly clearance. Responsibilities include administering Virtual Desktop technologies and providing technical... 

    TekSynap

    Denver, CO
    18 hours ago
  • ManTech is seeking a motivated System Administrator to join our...  ...This role involves managing IT system infrastructure, providing...  .... The ideal candidate should have over 10 years of experience as...  ...Linux and Windows. An active TS/SCI clearance is a requirement for this... 
    Senior

    ManTech

    Aurora, CO
    18 hours ago
  • $155k - $175k

     ...Innovative Solutions is hiring a Systems Administrator Level 2 in...  ...troubleshooting, and maintenance of IT systems, ensuring optimal...  .... Qualified candidates will have at least 10 years of...  ...position requires a current Active TS/SCI clearance. The projected salary range is... 
    Senior

    Envision Innovative Solutions

    Aurora, CO
    3 days ago
  •  ...Metasystems Incorporated is searching for a Systems Administrator to oversee IT infrastructure and provide critical support. Applicants must possess a bachelor's degree in IT or...  ...with security standards. An active TS/SCI clearance and technical expertise in Red Hat Enterprise... 
    Senior
    Flexible hours

    Radix Metasystems Incorporated

    Englewood, CO
    3 days ago
  •  ...Technology Group is seeking a Senior RF Hardware Engineer-P3 to...  ...operational communications systems through engineering analysis...  ...and maintenance. Candidates must have a STEM degree and at least 4...  ...relevant experience, with active TS/SCI clearance required. This is an... 
    Senior
    Contract work

    Blackstone Technology Group

    Aurora, CO
    2 days ago
  •  ...technology company in Colorado is seeking a Systems Integration and Test Engineer to join...  ...into solutions. Candidates must have a Bachelor's degree and extensive experience...  ...engineering, along with an active Top Secret/SCI clearance. This role offers competitive salary... 
    Senior
    Relocation package

    JSfirm.com

    Denver, CO
    18 hours ago
  • $140k - $169k

     ...woman-owned recruiting firm is hiring Senior and Principal Systems Engineers to support complex...  ...and integration efforts. Candidates must have real-world experience with Model-Based...  ...teams. This role requires an active TS/SCI clearance and offers a competitive salary in... 
    Senior
    Relocation
    Relocation package

    Talent Stack

    Aurora, CO
    18 hours ago
  • $125k - $145k

    Senior Linux Systems Administrator Aurora, CO Active TS/SCI with Poly Compensation Range: $125,000 - $145,000 Company...  .../life experience they have supporting the mission...  ...with poly security clearance is required prior to...  ...citizenship is required. Must have an active DoD 857... 
    Senior

    Cornerstone Defense

    Aurora, CO
    8 hours ago
  • $160k - $200k

    Carlsbad Tech in Aurora, CO is seeking a Network Engineer/Systems Administrator with at least 5 years of experience. Candidates must have a Bachelor's degree in a related field and an active TS/SCI security clearance. The role involves maintaining and troubleshooting... 

    Carlsbad Tech

    Aurora, CO
    2 days ago
  • A specialized recruiting firm is seeking a proactive DevOps Systems Administrator for a client in Aurora, CO. In this role, you will...  ...Bachelor's degree in Computer Science or a related field. A TS/SCI clearance with FS Polygraph is required. Competitive benefits and a... 

    Stanley Reid & Company

    Aurora, CO
    2 days ago
  •  ...or less. Active TS/SCI is a must; this effort is...  ...to obtain a CI Poly after start....  ...Collaborate with senior leadership, government...  ...to support system development and...  ...You Must Have Typically requires...  ...Management as it pertains to Ground...  ...security clearance is required prior... 
    Senior
    Full time
    Contract work
    For subcontractor

    Associates Systems LLC

    Aurora, CO
    18 hours ago
  • $190k - $280k

     ...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. The... 
    Remote job

    GliaCell Technologies

    Aurora, CO
    3 days ago
  • Leidos LLC is searching for an experienced IT Engineer located in Colorado. This role...  ...environments and requires an active TS/SCI clearance with Polygraph. Ideal candidates should...  ...skills. The successful candidate will manage systems, assist with user issues, and ensure... 
    Senior

    Leidos LLC

    Aurora, CO
    18 hours ago
  •  ...Company in Aurora, CO is seeking a Senior RF Hardware Engineer to tackle complex...  ...involves supporting advanced test systems for hardware validation throughout...  ...lifecycle. Ideal candidates will have a STEM degree, active TS/SCI clearance, and experience with satellite communications... 
    Senior

    Avenue Technologies Company

    Aurora, CO
    2 days ago
  •  ...agile, tech‑savvy teams have tackled complex...  ...seeking an experienced System Administrator to manage...  ...Technology (IT) systems across the enterprise...  ...integration. Clearance Requirements TS / SCI with FS Polygraph is...  ...CCAs. Please note, you must have the required clearance... 
    Senior
    For contractors

    stanleyreid

    Aurora, CO
    3 days ago
  • $114k - $213.4k

     ...design, integration, and verification, focusing on systems using diverse electrical signals. Candidates should have a bachelor's or master's degree in a STEM field with relevant experience, and an active TS/SCI clearance is required. This position offers a competitive... 
    Senior

    Northrop Grumman Corp. (JP)

    Aurora, CO
    2 days ago
  • $170k - $260k

     ...technology firm is seeking a Senior Software Engineer to support...  ...Colorado. The ideal candidate will have over 14 years of experience...  ...engineering and possess a TS/SCI clearance. Responsibilities include developing complex software systems, resolving issues, and providing... 
    Senior

    GliaCell Technologies

    Aurora, CO
    3 days ago
  • $48k - $83k

     ...operations, including material management and customer service within a secure government facility. Candidates must have a TS/SCI with CI Polygraph clearance and a proven background in logistics or warehouse operations. The position emphasizes leadership skills, effective... 
    Senior

    Flr Federal Solutions,LLC

    Aurora, CO
    1 day ago
  • $64.04 - $120.27 per hour

     ...Software Engineer to develop and enhance complex software systems for government clients. Candidates must possess a Bachelor’s degree in Computer Science with 14 years of experience and an active TS/SCI clearance. Key responsibilities include analyzing user requirements... 
    Senior
    Hourly pay
    For contractors

    Wyetech, LLC

    Aurora, CO
    18 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior IT Systems Technician- Must have a TS/SCI Poly clearance. Be the first to apply!