• Cyber Security Operations Specialist…

    William C Brown Inc (St. Louis, MO)
    …Location St. Louis Full-Time/Part-Time Full-Time Exempt/Non-Exempt Exempt Security Clearance Requirements Top Secret / SCI This position is currently ... Cyber Security Operations Specialist II EOE...authorized ticketing system to initiate the incident response. + TS / SCI Security Clearance (US Citizenship… more
    William C Brown Inc (10/06/25)
    - Save Job - Related Jobs - Block Source
  • Cyber Security Operations Specialist…

    William C Brown Inc (St. Louis, MO)
    …Location St. Louis Full-Time/Part-Time Full-Time Exempt/Non-Exempt Exempt Security Clearance Requirements Top Secret / SCI This position is currently ... Cyber Security Operations Specialist III EOE Statement...+ Must be a US Citizen with an Active TS / SCI Security Clearance + Bachelor's Degree… more
    William C Brown Inc (07/16/25)
    - Save Job - Related Jobs - Block Source
  • Cyber Security Operations Specialist…

    CACI International (St. Louis, MO)
    …propel your career?** CACI's Transport & Cybersecurity Services (TCS) program is actively hiring TS / SCI cleared Cyber Security Operations Specialists to ... Cyber Security Operations Specialist - CSOC...Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel… more
    CACI International (08/11/25)
    - Save Job - Related Jobs - Block Source
  • Cyber Security Operations Specialist…

    CACI International (St. Louis, MO)
    Cyber Security Operations Specialist III - Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / ... or related field + Minimum 5 years' experience in Cyber Security (CSOS). Additional years of experience...be used in place of Education requirement + Active TS / SCI clearance with the ability to obtain… more
    CACI International (08/23/25)
    - Save Job - Related Jobs - Block Source
  • Cyber Security Intern - Summer

    CACI International (St. Louis, MO)
    Cyber Security Intern - Summer 2026 Job Category:...or related degree is preferred + Must have an active TS / SCI security clearance - ** ** ... Intern/Co-op Time Type: Part time Minimum Clearance Required to Start: TS / SCI Employee Type: Part-Time On-Call Percentage of Travel Required: None Type of… more
    CACI International (10/11/25)
    - Save Job - Related Jobs - Block Source
  • TS / SCI Cyber

    Insight Global (Arnold, MO)
    Job Description Insight Global is looking for an Information System Security Developer in the St. Louis, MO area. This is a mid-level Information System ... who will need to design, develop, test, and evaluate information system security throughout the systems development...systems development life cycle. This person will need a TS / SCI Clearance. We are a company… more
    Insight Global (09/20/25)
    - Save Job - Related Jobs - Block Source
  • CI Cyber Threat Technical Analyst

    General Dynamics Information Technology (St. Louis, MO)
    …ID:** RQ206538 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... and tomorrow is smarter. Our work depends on a TS / SCI level cleared CI Cyber ...Events. + Conduct liaison between CI Office, Insider Threat, Cyber Security Operations Center (CSOC), and other… more
    General Dynamics Information Technology (09/09/25)
    - Save Job - Related Jobs - Block Source
  • CI Cyber Technical Analysis

    Parsons Corporation (St. Louis, MO)
    …and monitor progress toward measurable goals. ** Security Clearance Requirement:** An active Top Secret security clearance is required to apply, however, ... Events. + Conducting liaison between CI Office, Insider Threat, Cyber Security Operations Center (CSOC), and other...the selected candidate must be able to obtain a Top Secret SCI clearance prior… more
    Parsons Corporation (08/15/25)
    - Save Job - Related Jobs - Block Source
  • Cyber Systems Engineer Senior

    General Dynamics Information Technology (St. Louis, MO)
    …ID:** RQ208002 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... can't turn into opportunity. And our work depends on TS / SCI level cleared ** Cyber Systems... Assurance Technical (IAT) Level II + and network Cyber Security + Experience working with Cross… more
    General Dynamics Information Technology (09/30/25)
    - Save Job - Related Jobs - Block Source
  • Counterintelligence (CI) Cyber Threat…

    Parsons Corporation (St. Louis, MO)
    …to coach teammates to achieve objectives. ** Security Clearance Requirement:** An active Top Secret security clearance is required to apply, however, the ... threat reports, quarterly Technical CI threat reports, and annual Cyber Threat Assessments. + Writing Intelligence Information ...selected candidate must be able to obtain a Top Secret SCI clearance prior… more
    Parsons Corporation (08/15/25)
    - Save Job - Related Jobs - Block Source
  • Endpoint Security Engineer

    General Dynamics Information Technology (St. Louis, MO)
    …ID:** RQ208151 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Security Engineer will support our Intelligence Community customer's various endpoint security platforms. Position requires a TS / SCI clearance to be… more
    General Dynamics Information Technology (10/01/25)
    - Save Job - Related Jobs - Block Source
  • Nessus Endpoint Security Engineer

    CACI International (St. Louis, MO)
    …Community customer's various endpoint security platforms. Positions on TCS require a TS / SCI clearance to be eligible for hire; with the ability to ... Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel...field) and ten (10) years of technical experience in Cyber Security . Additional experience may be considered… more
    CACI International (07/24/25)
    - Save Job - Related Jobs - Block Source
  • Senior Counterintelligence Cyber Analyst…

    Xcellent Technology Solutions (St. Louis, MO)
    …the way NGA anticipates and mitigates threats, join XTS today! Requirements + Current active Top Secret / SCI clearance + 11+ years of threat analysis ... Geospatial-Intelligence Agency (NGA) operates at the forefront of national security , defending against adversaries who use subtle, sophisticated, and rapidly… more
    Xcellent Technology Solutions (09/27/25)
    - Save Job - Related Jobs - Block Source
  • Cyber Intelligence Analyst ( TS

    Deloitte (St. Louis, MO)
    …States without the need for employer sponsorship, now or at any time in the future. + TS SCI w/ Poly required. + Ability to work onsite five days a week in ... Louis, Missouri. + 4+ years' experience within threat intelligence platforms, SIEMs, and security tools. + Strong understanding of cyber threat landscapes, TTPs,… more
    Deloitte (08/10/25)
    - Save Job - Related Jobs - Block Source
  • Senior Information System Security

    Leidos (St. Louis, MO)
    …and activities The ISSO also manages and enforces government and corporate information security policies, provides training, and educates end users and ... St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with the ability to be...importance to the organization/project. + Apply in-depth understanding of information security technical principles, theories, concepts, and… more
    Leidos (10/08/25)
    - Save Job - Related Jobs - Block Source
  • Information Assurance/ Security

    Deloitte (St. Louis, MO)
    …without the need for employer sponsorship, now or at any time in the future. + Active TS / SCI security clearance. + Must be IAT III certified while working in ... Our Deloitte Cyber team understands the unique challenges and opportunities...secure success. Work You'll Do We are seeking an Information Assurance Analyst/ Security Controls Assessor (SCA) to… more
    Deloitte (09/24/25)
    - Save Job - Related Jobs - Block Source
  • CSOC Tier 2 Analyst (24x7x365)

    General Dynamics Information Technology (St. Louis, MO)
    …**Job Requirements:** + Bachelor's Degree and 8 years' experience in Cyber Security (CSOS) + Active TS / SCI , ability to obtain a Polygraph. ... ID:** RQ195479 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None… more
    General Dynamics Information Technology (09/01/25)
    - Save Job - Related Jobs - Block Source
  • N2w TSCM Support Specialist

    Cintel Inc (St. Louis, MO)
    …Level II (IAT2) compliance, at the sole expense of the contractor * Must have an Active Top Secret clearance with SCI Eligibility. * Must have at least 7+ ... Government clients in Software Development, Operational/Tactical and Installation/Facilities Energy, Cyber Security , Modeling and Simulation, Data Science, and… more
    Cintel Inc (07/23/25)
    - Save Job - Related Jobs - Block Source
  • High Speed Guard Engineer

    CACI International (St. Louis, MO)
    …Agency (NGA). This position is part of the Transport Cyber Security Services (TCS) team which provides the information technology infrastructure services ... Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel...Travel: Continental US * * * **The Opportunity:** **Transport Cyber Security Services (TCS)** **is a premier,… more
    CACI International (09/01/25)
    - Save Job - Related Jobs - Block Source
  • Secure Wireless Engineer

    General Dynamics Information Technology (St. Louis, MO)
    …ID:** RQ198056 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... connectivity issues related to firewall/VPN/SSL infrastructures. Responsible for evaluating current network security systems. HOW A CYBER WIRELESS SECURITY more
    General Dynamics Information Technology (07/19/25)
    - Save Job - Related Jobs - Block Source