Senior UNIX/Linux Sysadmin, TS/SCI Clearance
Infozone Inc
Infozone Inc is seeking a Systems Administrator to join their team in Littleton, Colorado. This role involves installing, configuring, and maintaining Linux workstations and servers while ensuring data integrity and efficient operations. The ideal candidate will have 10+ years of experience, must hold a current TS/SCI clearance, and possess a Bachelor's Degree in a relevant field. Responsibilities include scripting for system metrics and managing upgrades in a secure governmental environment. #J-18808-Ljbffr Infozone Inc
- Cornerstone Defense, located in Aurora, CO, is seeking a Senior Linux Systems Administrator. This role involves supporting a classified... ...issues. Candidates must have a Bachelor's degree and active TS/SCI clearance. Benefits include a comprehensive health insurance suite, 40...Senior
$69.72 - $79.33 per hour
...years of experience in IT system support and expertise in both UNIX and Windows environments. The position involves... ...objectives of federal clients. Successful applicants will require TS/SCI clearance with a polygraph. Compensation ranges from $69.72 to $79.33 per...SeniorHourly pay- ...at least 15 years of experience in Systems Administration, a bachelor's degree in a technical field, and must hold an active TS/SCI clearance with Full Scope Polygraph. Join a collaborative environment focused on mission success. #J-18808-Ljbffr Envision Innovative SolutionsSenior
- ...Support Programs team. The position requires expertise in managing Linux and IBM AIX based servers, along with experience in Amazon... ...experience (15+ years) in the field, as well as a current TS/SCI Clearance. Strong communication skills and attention to detail are essential...Senior
- ...performance of critical systems. This role requires strong expertise in Perl, Amazon Web Services, 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 optimization. #J-18808-Ljbffr Infozone...SeniorFull time
$68.9k - $131.1k
...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... ...Defense Systems (ASDS) is looking for an experienced Senior IT Systems Technician candidate to support our...SeniorFull timeTemporary workRelocationFlexible hours- ...Key responsibilities include installing and maintaining Linux workstations and servers, monitoring system backups, and... ...of relevant experience, a Bachelor's Degree, and hold a TS/SCI w/Poly security clearance. Proficiency in AIX and RHEL is essential. #J-18808-Ljbffr...Senior
$114k - $213.4k
...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 salary range of $114,000 to $213,400, depending on experience and...Senior- ...2 support. Candidates must have 15 years of relevant experience, a technical degree, and familiarity with UNIX and Windows operating systems. A TS/SCI clearance is required. This position offers an excellent compensation package including a competitive salary and comprehensive...Senior
$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$190k - $280k
...Science and possess over 20 years of experience with specific skills in Elasticsearch, React, JavaScript, Go, and Kubernetes. A TS/SCI clearance is mandatory. Competitive compensation ranges from $190k to $280k, along with a comprehensive benefits package. #J-18808-...SeniorRemote job- ...involves providing Tier 2 support for large enterprise environments and requires an active TS/SCI clearance with Polygraph. Ideal candidates should possess expertise in Windows and Linux administration, along with strong troubleshooting skills. The successful candidate will...Senior
- ...infrastructure, providing Tier I and Tier II support, and configuring LINUX and Windows operating systems for optimal performance. The... ...with strong knowledge of RedHat Linux and Windows. An active TS/SCI clearance is a requirement for this position. #J-18808-Ljbffr ManTechSenior
- Geologic is searching for a Senior Principal Systems Engineer to work on-site in Aurora, CO. In this role, you will oversee the technical... ...10 years of experience in systems engineering and an Active TS/SCI clearance. The compensation is based on experience, education, and...Senior
- ...strong scripting skills, expertise in cloud administration, and a Bachelor's degree in Computer Science or a related field. A TS/SCI clearance with FS Polygraph is required. Competitive benefits and a supportive work environment await you. #J-18808-Ljbffr Stanley Reid...
- ...monitoring system performance, security administration, and providing backup recovery. Applicants must possess an Active TS/SCI + CI Poly clearance, and 8-10 years of relevant experience or a comparable educational background. The company offers competitive benefits including...
$96k - $128k
...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 support. We offer a...- ...Candidates must have ten years of relevant Systems Administration experience, and a Bachelor's degree in a technical discipline or equivalent experience is needed. An active TS/SCI with Full Scope Polygraph clearance is required. #J-18808-Ljbffr Envision Innovative SolutionsSenior
$155k - $175k
...candidates will have at least 10 years of experience in a similar role and a Bachelor's degree. The position requires a current Active TS/SCI clearance. The projected salary range is $155,000.00-$175,000.00, reflecting experience and qualifications. #J-18808-Ljbffr Envision...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- ...technology. Candidates must have a bachelor's degree in engineering, prior test experience, and proficiency in scripting languages. A TS/SCI clearance is required for consideration. Join us in pushing the boundaries of space technology! #J-18808-Ljbffr Lockheed MartinSenior
$110k - $120k
A leading defense contractor is seeking a Senior Test Engineer at Buckley Space Force Base to support advanced system verification and... ...opportunities. Candidates must possess the ability to operate in a TS/SCI classified environment and provide technical briefings. #J-18808...SeniorFor contractors- ...conversion of requirements into solutions. Candidates must have a Bachelor's degree and extensive experience in systems engineering, along with an active Top Secret/SCI clearance. This role offers competitive salary and relocation assistance. #J-18808-Ljbffr JSfirm.comSeniorRelocation package
- Lockheed Martin is seeking a Senior Financial Analyst to join their finance team in Littleton, Colorado. This role involves performing... ...’s degree with 5+ years of experience is required along with the ability to obtain a TS/SCI w/Poly clearance. #J-18808-Ljbffr Lockheed MartinSeniorWork at office
$125k - $145k
Senior Linux Systems Administrator Aurora, CO Active TS/SCI with Poly Compensation Range: $125,000 - $145,000 Company Overview Cornerstone Defense is the Employer... ...U.S. government issued TS/SCI with poly security clearance is required prior to start date. U.S. citizenship...Senior$200k - $225k
...means to serve with MKS2. Sr. Principal Pipeline Engineer - TS/SCI Clearance REQUIRED Location: Aurora, CO Rate: $200,000 - $225,000... ...Git and modern branching strategies. -Experience with RHEL Linux systems. -Experience implementing Scaled Agile Frameworks....SeniorContract workWork experience placement$177k - $265.6k
...lives globally. This role involves system administration across Linux and Windows platforms, managing VMware technologies, and... ...degree alongside extensive IT experience and active Top Secret/SCI clearance. Compensation includes a salary range of $177,000.00 to $265,6...Senior- ...technical resources company in Aurora, CO is seeking a skilled Linux Engineer to design, implement, and maintain Linux systems.... ...understanding of virtualization technologies. An active TS/SCI with CI Poly clearance is required. This role offers opportunities to collaborate...
$115k - $170k
.... Ideal candidates will have significant experience with UNIX and Windows operating systems, troubleshooting expertise,... ...ranging from $115k to $170k, along with comprehensive benefits. TS/SCI with FS Polygraph clearance is mandatory for applicants. #J-18808-Ljbffr stanleyreid$120k - $165k
...Systems Administrator in Denver, CO. This role requires a TS/SCI security clearance and involves managing and maintaining critical IT infrastructure... ...365 and Azure environments, optimizing Windows and Linux servers, and ensuring network infrastructure stability. The...
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