• Linux Systems Administrator

    L3Harris (Greenville, TX)
    …of the Operating Systems and Mission software, Infrastructure services, and Cyber Security hardening. A solid understanding of Linux administration and ... technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security...Active Directory, GPO, DHCP, DNS, NTP + Familiarity with Security Information and Event Management (SIEM) techniques… more
    L3Harris (10/17/25)
    - Related Jobs
  • Security Engineer II

    Trustmark (Austin, TX)
    …and monitoring security measures for the protection of Trustmark's computer systems , networks and information . The role helps identify and define system ... clients and communities. We are seeking a highly skilled Cyber Security Engineer to join our team... security policies, standards, and procedures. + Monitor security systems and respond to incidents promptly… more
    Trustmark (09/20/25)
    - Related Jobs
  • Senior Application Security Analyst

    Citigroup (Irving, TX)
    …+ Act as a subject matter expert in offensive information security , application pentesting, networking, operating systems , and databases. + Research and ... take safeguarding our customer data very seriously. The Chief Information Security Office (CISO) is made up...Analyst** Are you interested in growing your career in Cyber Security ? Whether you're an application developer… more
    Citigroup (11/18/25)
    - Related Jobs
  • Security Operations Center Incident…

    Citigroup (Irving, TX)
    …at Citi. As such, we take safeguarding our customer data very seriously. The Chief Information Security Office (CISO) is made up of deeply dedicated and talented ... the safety of Citi's and our clients' assets and information . We manage information security ...demonstrated equivalent capability. + 2+ years hands-on working in cyber incident response and investigations in medium to large… more
    Citigroup (10/03/25)
    - Related Jobs
  • Principal Architect, IT Security Strategy

    American Airlines (Dallas, TX)
    …course, any legal obligations including any collective bargaining obligations._ The CIR ( Cyber Security Incident Response) Principal Architect is responsible for ... Education & Prior Job Experience** + Bachelor's Degree in Computer Science, Information Systems , Engineering, Technology, or related field or equivalent… more
    American Airlines (11/18/25)
    - Related Jobs
  • Part Time Technical Security Instructor

    Cengage Group (Houston, TX)
    …to achieve current certifications from the additional list below): + CISSP (Certified Information Systems Security Professional) + CCSP (Certified Cloud ... include Computer Security Concepts & Best Practices; Information & Cyber Security Operation,...Information Security Manager) + CISA (Certified Information Systems Auditor), + CSSLP (Certified Secure… more
    Cengage Group (11/14/25)
    - Related Jobs
  • Product Security Product Owner

    Humana (Austin, TX)
    …action. We are looking for someone with at least 2 years of application security , devops/devsecops or cyber security practitioner. Strong background in ... driving security outcomes and building our internal cyber security products. * Maintain and prioritize...of project leadership experience **Bonus:** * Knowledge of common information security management frameworks, including but not… more
    Humana (11/19/25)
    - Related Jobs
  • Security Intelligence Engineer, Incident…

    Amazon (Austin, TX)
    …Intelligence for Global Enterprise Response (TIGER) team, part of Amazon Cyber Threat Intelligence (ACTI), is responsible for developing actionable intelligence on ... advanced cyber threats to Amazon employees and company assets. Our...variety of internal and external sources and use that information to develop an understanding of sophisticated actors and… more
    Amazon (11/05/25)
    - Related Jobs
  • Principal Engineer - Application Security

    Toyota (Plano, TX)
    …of this role will be responsible for testing the design and effectiveness of security controls of information systems , networks and applications within the ... to identify vulnerabilities, control gaps, and potential attack vectors in Toyota's information systems . + Collaborate with application teams and other… more
    Toyota (11/21/25)
    - Related Jobs
  • Scientist, RF Systems Advanced Concept…

    L3Harris (Plano, TX)
    …space, air, land, sea and cyber domains in the interest of national security . Job Title: Scientist, RF Systems Advanced Concept Engineer - Plano TX/ Clifton ... the customer during program reviews. This role requires experience in systems engineering, system architecture development, strong technical skills over multiple… more
    L3Harris (10/26/25)
    - Related Jobs