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

Senior Systems Administrator — TS/SCI, Poly, DoD Classified

Leidos

Leidos is seeking a Senior Systems Administrator in St. Louis, MO to manage and optimize systems supporting critical intelligence and geospatial initiatives. This role demands leadership in both Linux and Windows environments, ensuring high availability and security. The ideal candidate must possess a Bachelor's degree and significant experience in system administration, cloud platforms, and automation technologies. Candidates need to hold a Top Secret clearance and a strong compliance background. #J-18808-Ljbffr Leidos

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Senior Systems Administrator — TS/SCI, Poly, DoD Classified in Saint Louis, MO vacancy
  • $75.2k - $158.1k

    Job Title: AWS System AdministratorJob Category: Information...  ...Required to Start: TS/SCIEmployee Type:...  ...looking for an AWS System Administrator to work on Enterprise Cross...  ...Required: • Active TS/SCI security clearance (...  ...relevant experience. •DoD 8140.01 / DoD 8570.01-M... 
    Senior
    Contract work
    Work experience placement
    Local area
    Flexible hours

    CACI

    Saint Louis, MO
    3 days ago
  •  ...support for multiple Microsoft and RHEL environments, focusing on system administration, user experience enhancement, and troubleshooting. The ideal...  ...experience, a Bachelor’s degree in a related field, and a TS/SCI Security Clearance. The position offers a competitive salary... 
    Senior
    Contract work

    GRVTY

    Saint Louis, MO
    2 days ago
  • CACI International Inc. is seeking an AWS System Administrator in St. Louis, Missouri. The role involves managing AWS infrastructure and Linux...  ...include a bachelor's degree in a technical field, active TS/SCI security clearance, and strong experience with RHEL. Join CACI... 
    Suggested

    CACI International Inc.

    Saint Louis, MO
    2 days ago
  • $170k

    Vega in St. Louis is looking for Senior Software Engineers to develop mission-critical geospatial intelligence...  ...in Java and React. The role requires an active TS/SCI clearance and is primarily on-site in a classified environment with no remote options. The position offers... 
    Senior
    Remote work

    Vega

    Saint Louis, MO
    2 days ago
  • Senior DevOps Engineer Location: St. Louis, MO; Chantilly, VA; Alexandria, VA; Gaithersburg, MD Clearance: TS/SCI required Required Certifications: DoD 8570 Compliant Certification (Security+) Level: T4...  ...sustainment of mission critical systems. Responsibilities The... 
    Senior

    Bailey Information Technology Consultants, LLC

    Saint Louis, MO
    3 days ago
  • System One is looking for a Senior Business Analyst in St. Louis, Missouri. The role involves providing senior program and project management support, and mentoring team members on mission assurance. Candidates should have a Bachelor's degree and extensive experience in... 
    Senior
    Contract work

    System One

    Saint Louis, MO
    1 day ago
  • $75.2k - $158.1k

     ...network hardware. Candidates should have a minimum of 5 years of experience in large-scale enterprise networks and possess an active TS/SCI clearance. The position offers a competitive salary, with a range from $75,200 to $158,100, based on qualifications and experience.... 
    Senior
    Flexible hours

    CACI International Inc

    Saint Louis, MO
    2 days ago
  • Radiance Technologies, Inc. is seeking a Software Tester to perform system and software testing on an Agile Scrum team. This role requires...  ...or more years of experience in software testing and an active TS/SCI clearance. Key responsibilities include designing and executing... 
    Senior

    Radiance Technologies, Inc.

    Saint Louis, MO
    3 days ago
  • Assured Consulting Solutions is seeking an experienced Senior Test Systems Engineer in St. Louis, MO. The role includes leading application and system testing for critical GEOINT systems, requiring a TS/SCI clearance. The ideal candidate has significant experience with... 
    Senior
    Full time

    Assured Consulting Solutions

    Saint Louis, MO
    2 days ago
  •  ...compliance. Ideal candidates will have a Bachelor's degree or equivalent experience, at least 5 years of technical expertise in network technologies, and an active TS/SCI clearance. Competitive compensation and benefits will be offered. #J-18808-Ljbffr CACI International Inc.
    Senior

    CACI International Inc.

    Saint Louis, MO
    2 days ago
  • 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

    Quick Services LLC (QSL)

    Saint Louis, MO
    3 days ago
  •  ...firm is seeking a Program Manager Level 3 to oversee complex projects in support of national security objectives. The role requires a TS/SCI clearance and U.S. citizenship. Responsibilities include evaluating program performance, managing contract staff, and ensuring... 
    Senior
    Contract work
    Flexible hours

    TULK | Swift·Wise·Counsel

    Saint Louis, MO
    2 days ago
  •  ...involves the design, implementation, and support of complex telecommunications networks, requiring 8+ years of experience and an active TS/SCI security clearance. Candidates will troubleshoot network issues, develop performance optimization strategies, and ensure compliance... 
    Senior
    For contractors
    Flexible hours

    CACI International Inc.

    Saint Louis, MO
    3 days ago
  • $92.3k - $166.85k

     ...Program is currently seeking a Senior Systems Administrator. As a senior member of our...  ...in a fast-paced, classified environment. You will lead...  ...with the ability to obtain SCI, as well as a Polygraph....  ...patching in compliance with DoD STIGs and agency policies.... 
    Senior
    Contract work
    Local area
    Immediate start

    Leidos

    Madison, IL
    2 days ago
  •  ...technology solutions provider, based in St. Louis, MO, is seeking a System Administrator to support various intelligence analysis capabilities. This...  ...like Docker and Kubernetes, along with an active TS/SCI security clearance. The position offers competitive benefits... 
    Senior

    (EDO) Entertainment Data Oracle, Inc.

    Saint Louis, MO
    1 day ago
  • $170k

     ...Engineer - Java & Angular/React - TS/SCI Clearance Required Openings:...  ...THE ROLE We are hiring two Senior Software Engineers to join a...  ...full‑stack applications in a classified environment in St. Louis,...  ...closely with program leads, systems engineers, and end users to deliver... 
    Senior
    Remote work
    Relocation
    Flexible hours

    Vega

    Saint Louis, MO
    2 days ago
  •  ...critical assets. The Chinook Program is currently seeking a Senior Systems Administrator. As a senior member of our IT operations team, you will...  ...work independently and collaboratively in a fast-paced, classified environment. You will lead systems op...Systems Administrator... 
    Senior

    Leidos Holdings

    Saint Louis, MO
    6 hours ago
  •  ...compliance with specifications. Candidates must have at least a high school diploma and technical training in AutoCAD or REVIT. A Top Secret/SCI government security clearance is required. The position offers various benefits including health coverage, retirement plan, and... 
    Senior

    ServiceSource

    Saint Louis, MO
    4 days ago
  •  ...Technology is looking to hire a Systems Engineer to support our...  ...candidate must have an active TS/SCI security clearance, and will...  ...candidate has strong Linux system administration experience and a proven...  ...Secret/SCI security clearance DoD 8570-compliant certification... 
    For contractors
    Flexible hours

    North Point Technology

    Saint Louis, MO
    25 days ago
  • All Jobs • Sr Software Engineer (TS/SCI) - STL The Software Engineer will support an Agile software factory focused on delivering data...  ...in Computer Science, Engineering, Mathematics, Information Systems, Cybersecurity, or a related technical discipline and eight (8)... 
    Senior
    For contractors

    Aqua IT

    Saint Louis, MO
    16 hours ago
  •  ...: Approximately 25% Clearance: Active TS/SCI with ability to obtain a Polygraph Citizenship...  .... Responsibilities: Coordinate system maintenance, monitoring, and installation...  ...required ~ Working knowledge of DoD Architecture Framework and related DoW network... 
    Senior
    Local area

    General Dynamics Information Technology

    Saint Louis, MO
    a month ago
  • Quantech Services, Inc. is seeking a Program Manager to oversee a large-scale, 40+ person task order for a Government client. The ideal candidate should have extensive experience managing complex contracts and leading diverse teams. The position requires strong leadership...
    Senior
    Contract work

    Quantech Services, Inc.

    Saint Louis, MO
    2 days ago
  • Requires an active TS/SCI Security Clearance with the ability to obtain a CI Poly What Impact You'll Have: We are seeking an...  ...with Microsoft Enterprise Systems Administrator Advisor experience to join our...  ...possess an appropriate and current DoD Information Assurance (IA)... 
    Contract work
    Temporary work
    Remote work

    GRVTY

    Saint Louis, MO
    2 days ago
  •  ...Freedom Technology Solutions Group is seeking a System Administrator to support our client's intelligence analysis products...  ..., Artifactory) Required Qualifications Active TS/SCI security clearance (eligible for CI Poly) 3-8 years software development experience. Proficiency... 
    For contractors
    Work at office
    Remote work
    Flexible hours
    Night shift

    Freedom Technology Solutions Group, LLC

    Saint Louis, MO
    4 days ago
  • A leading consulting firm in St. Louis is seeking a Cloud System Administrator to provide system administration and support for various enterprise systems with a focus on AWS and other cloud services. The ideal candidate should have a Bachelor's degree or equivalent experience... 

    Career-Mover

    Saint Louis, MO
    4 days ago
  •  ...: Onsite Security Clearance: TS/SCI with ability to obtain polygraph...  ...Responsibilities Provide senior program and project management...  ...to develop recommendations for system and process improvements, optimization...  ...the organization to IC and DoD partners. Requirements A... 
    Senior
    Contract work
    For contractors
    Local area

    System One

    Saint Louis, MO
    1 day ago
  • Bailey Information Technology Consultants, LLC is looking for a Senior DevOps Engineer with strong Continuous Integration/Continuous...  ...developing, integrating, deploying, and sustaining mission-critical systems across AWS environments. Key responsibilities include... 
    Senior

    Bailey Information Technology Consultants, LLC

    Saint Louis, MO
    3 days ago
  • $51 - $53 per hour

    System One Holdings, LLC in St. Louis, MO is seeking an experienced Office Manager to ensure smooth office operations. Responsibilities include managing administrative tasks, coordinating meetings, and supporting event planning. The ideal candidate should possess a Bachelor... 
    Senior
    Hourly pay
    Work at office

    System One Holdings, LLC

    Saint Louis, MO
    1 day ago
  • A staffing agency is looking for a System Administrator III in St. Louis, Missouri. This role offers the potential for a hybrid work schedule and requires strong IT infrastructure knowledge with at least 5 years of experience in networking. Candidates should have CCNA... 
    Senior

    Prestige Staffing

    Saint Louis, MO
    3 days ago
  • Job Description We are seeking a highly skilled Microsoft 365 Senior Systems Administrator / Engineer to work Hybrid Onsite in the Houston office 1300 W Sam Houston Pkwy S suite 300, Houston, TX 77042, USA. To support and manage a large‑scale multi‑tenant Microsoft 365... 
    Senior
    Work at office

    U.S. Physical Therapy

    Saint Louis, MO
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Systems Administrator — TS/SCI, Poly, DoD Classified. Be the first to apply!