Senior IT Engineer (TS/SCI) - Windows & Linux Admin
GRVTY
GRVTY is seeking an IT Engineer in St. Louis, Missouri, to support a Federal Intelligence Agency contract. You will provide Tier II support for multiple Microsoft and RHEL environments, focusing on system administration, user experience enhancement, and troubleshooting. The ideal candidate must have 8+ years of systems administration experience, a Bachelor’s degree in a related field, and a TS/SCI Security Clearance. The position offers a competitive salary, health benefits, and a strong emphasis on work-life balance. #J-18808-Ljbffr GRVTY
- ...Technology is looking to hire a Systems Engineer to support our mission operations team. The... ...qualified candidate must have an active TS/SCI security clearance, and will support the... ...end users. The ideal candidate has strong Linux system administration experience and a proven...SuggestedFor contractorsFlexible hours
- ...Specialist II to support DoD SAP programs, including collateral, SCI, and SAP activities. The role involves day‑to‑day system support,... ...DoD 8570.01‑M IAT Level 2 certification within six months, with TS clearance/SCI eligibility and occasional #J-18808-Ljbffr GRS, Inc...Suggested
- ...management on risks and security, and ensuring the implementation of security protocols. Candidates must have an Associate’s degree and TS/SCI Clearance. Key qualifications include experience with intrusion detection, compliance with cybersecurity standards, and knowledge...Senior
$75.2k - $158.1k
CACI International Inc is seeking a Network Engineer III in St. Louis, Missouri. This role involves performing research, requirements analysis... ...in large-scale enterprise networks and possess an active TS/SCI clearance. The position offers a competitive salary, with a...SeniorFlexible hours- Cherokee Preting, part of Cherokee Federal, seeks a Software Engineer Senior Staff to support the Erebus Program in St. Louis, MO. The role requires an active TS/SCI clearance with the ability to obtain a Counterintelligence polygraph and U.S. citizenship or permanent...SeniorPermanent employment
- CACI International Inc. is seeking a Network Engineer III in St. Louis, MO, to lead network research, design, and implementation. The role... ...of technical expertise in network technologies, and an active TS/SCI clearance. Competitive compensation and benefits will be...Senior
- A leading geospatial services provider is seeking a Senior Toponymist in St. Louis, MO. The candidate should possess expertise in GIS software... ...must have a BA degree with relevant experience, and active TS/SCI clearance is required. Enjoy a competitive compensation and...Senior
- Software Engineer Senior Staff (TS/SCI Required) St. Louis, MO, United States (On-site) Job Description Software Engineer This position requires an active TS/Sensitive Compartmental Information (SCI) clearance with the ability to obtain a Counterintelligence polygraph...SeniorPermanent employmentFull timeContract workLocal area
- CACI International Inc is seeking a Database Administrator for an on-site role in support of Corporate Business Information Systems. You will manage Oracle, MSSQL, PostgreSQL, MySQL, and NoSQL platforms while ensuring data integrity and system reliability. Expect collaboration...Senior
- Leidos in St. Louis, MO is seeking a Senior Systems Administrator to join the Chinook Program... .... You will maintain and enhance Windows and Linux server environments, ensuring reliability... ...requires US citizenship, active Top Secret/SCI with poly, and hands-on experience with...
$75.2k - $158.1k
...resources, administering RHEL systems, monitoring performance, and automating tasks with scripting. Candidates must hold an active TS/SCI security clearance and have a Bachelor's Degree in a Technical field. The position offers a salary range of $75,200-$158,100, emphasizing...- A leading engineering firm in St. Louis, Missouri is seeking a Senior Software Engineer for a full-time position requiring an active Top Secret/SCI clearance. This role focuses on full-stack Python development, API development, Kubernetes deployment, and modern DevOps practices...SeniorFull time
- ...Customer Site) Travel: Approximately 25% Clearance: Active TS/SCI with ability to obtain a Polygraph Citizenship: US... ...GDIT has an exciting and challenging opportunity for a Network Engineer supporting an Intelligence Community customer’s wide-area (WAN...SeniorLocal area
- ...and other cloud services. The ideal candidate should have a Bachelor's degree or equivalent experience and strong knowledge of Windows and Linux systems. Required skills also include after-hours support capabilities and AWS certifications, complemented by a commitment to...
- CACI International Inc. is seeking an Advanced Cybersecurity Analytics Engineer III in St. Louis, MO. This role involves developing defensive countermeasures and collaborating with teams to prevent cybersecurity incidents. The ideal candidate will have over 8 years of...Senior
- CACI is seeking a Network Engineer III to perform research, requirements analysis, design, installation, documentation, troubleshooting, and sustainment of local and wide-area networks. The role emphasizes system specifications, risk mitigation, QA compliance, and performance...SeniorLocal area
$125k - $150k
...Required Clearance: Active TS/SCI with Polygraph Eligibility... ...Ennoble First is seeking a Senior Systems Administrator to support... ...operations. Working alongside engineers, cybersecurity professionals... ...and lifecycle management of Windows and Linux servers. Monitor system...SeniorFull timeRelocation packageShift work- ...Hi, Greetings for the day!!! This is Kevin Smith from Navtech Inc. I have an opportunity for "Linux Admin" _ in St Louis, MO (Remote till COVID)" and I am looking for a candidate who can join Immediately if you are interested, reply to me with your updated...SeniorPermanent employmentContract workImmediate startRemote work
- ...Technology Solutions Groups is seeking a Cross Domain Engineer to support a fast-paced team provisioning... ...ensuring security compliance. This role requires Active TS/SCI clearance, DoD IAT II, and solid experience with Linux and CDS systems. #J-18808-Ljbffr (EDO)...Senior
- ...Senior Linux Systems AdministratorAre you ready to support one of the Department of War's (DoW) most critical high-performance computing environments? Leidos is seeking an experienced Senior Linux Systems Administrator to support our customer at Stennis Space Center,...SeniorInterim role3 days per week
- Ennoble First is seeking a Senior Systems Administrator to support the NGA in St. Louis, MO. You will maintain and enhance enterprise applications... ...used in intelligence operations. On-site role requiring Active TS/SCI with Poly, 8+ years of experience in enterprise systems...Senior
- ...dispersed teams to ensure delivery excellence. The role requires 7+ years in DoD/IC program management, a relevant degree, and an active Top Secret clearance with SCI eligibility. Expect challenging projects and opportunities for leadership growth. #J-18808-Ljbffr TRIAEM LLCSeniorFor contractors
- ...Resource Solutions, Inc. is seeking a Program Security Representative III to provide multi-discipline security support for SAPs and SCI activities in East St. Louis, IL. You will advise on safeguarding collateral data and implement security policies in line with DoD directives...Senior
- ...Overview We are seeking a Senior AWS Cloud Infrastructure Engineer to design, implement, and manage secure,... ...is comfortable working across both Windows and Linux environments. This individual will... ...~ Active Top Secret clearance (TS/SCI, CI Poly desired but not required)...SeniorFull time
$98.5k - $206.8k
...Senior Platform Engineer Join a fast-paced Agile team delivering mission-critical geospatial intelligence... ...Qualifications: Required: ~ TS/SCI Security Clearance with ability to... ...configuration management tools. ~ Strong Linux administration and scripting skills (...SeniorContract workWork experience placementFlexible hours$82.1k - $172.4k
...Senior Systems Integrator The Opportunity: Lead systems integration... ...operations teams, and program engineers. Responsibilities:... .... ~ Experience with Linux environments, scripting, and deployment... .... ~ Security Clearance (TS/SCI) with willingness to undergo polygraph...SeniorContract workWork experience placementFlexible hours- OverviewGeospatial Engineer - Multiple... ...Positions at Junior/Mid/Senior LevelsNV5... ...Secret Clearance with SCI eligibility or an active TS/SCI are required... ...Software Developers, IT, Project... ...technologiesKnowledge of Windows... ...migrationKnowledge of Linux and UNIX environmentsFamiliarity...SeniorFull timeLocal areaRemote workWorldwide
$130k - $160k
...Senior Backend Software EngineerLocation: Gaithersburg... ...AZ Clearance: Top Secret/SCI with the ability to successfully... ...mission operations. Engineers on this effort will work... ...reliability within a Linux-based environment. The... ...of experience • Active TS/SCI clearance with the ability...SeniorFull timeRemote work- ...MANTECH seeks a motivated, career and customer-oriented Senior GEOINT Analyst to join our team in St. Louis, MO! Job duties... ...principles skills. Security Clearance Requirements: ~ Active TS/SCI with the ability to obtain & maintain a Poly Physical...SeniorWork at officeRemote work
- ...integrated enterprise IT support to Federal... ...an experienced Senior Systems... ...optimization of our Windows-based systems and... ...management of Windows and Linux servers. Monitor... ...Computer Science, Engineering, OR related field,... ...Active TS/SCI clearance required...SeniorWork at officeWork from homeHome officeShift workNight shiftWeekend work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior IT Engineer (TS/SCI) - Windows & Linux Admin. Be the first to apply!
- IT developer Saint Louis, MO
- technical support engineer Saint Louis, MO
- remote support engineer Saint Louis, MO
- software technical support engineer Saint Louis, MO
- support engineer Saint Louis, MO
- IT engineer Saint Louis, MO
- remote network administrator / IT support engineer Saint Louis, MO
- operations support system engineer Saint Louis, MO
- lab support engineer Saint Louis, MO
- customer support engineer Saint Louis, MO




