• Senior Information Security System Engineer…

    Citigroup (Irving, TX)
    …growth and progress together. The Info Sec Tech Lead Analyst is a senior level professional position responsible for driving efforts to prevent, monitor and respond ... data security policy. **Responsibilities:** + Integrate new, complex security systems into the existing infrastructure. + Ensure the confidentiality, integrity,… more
    Citigroup (08/23/25)
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  • Cloud Security Threat Modeler Senior…

    Citigroup (Irving, TX)
    …vulnerabilities using **CWE** or **OWASP** frameworks. + Working knowledge of **Operating Systems ** (eg, ** Windows ** , **Linux** ) and their hardening best ... role. + Proven experience with **Jira** or other similar ticketing systems . + Strong understanding of security best practices related to **Authentication**… more
    Citigroup (09/23/25)
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  • Senior Lead Cloud Security Threat Modeler

    Citigroup (Irving, TX)
    …, **infrastructure security** , and **network segmentation** . + Mastery of **Operating Systems ** (eg, ** Windows ** , **Linux** ) and their hardening best ... (GCIA), GIAC Open Source Intelligence (GOSI) + ISC2 Certified Information Systems Security Professional (CISSP) + CompTIA CASP+, CompTIA PenTest+ Microsoft… more
    Citigroup (09/18/25)
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  • Senior /Staff Consultant - Cloud Native

    Nutanix (Austin, TX)
    …best practices, incl. DNS, idP (LDAP, OIDC, SAML, etc). + Proficiency in both Windows and Linux operating systems + Experience with Nutanix Kubernetes Platform ... You Will Bring** + 10+ years of experience in Consulting, DevOps, systems administration, or infrastructure engineering roles + Proven ability to translate business… more
    Nutanix (08/19/25)
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  • Lead Public Cloud Linux Engineer

    NTT DATA North America (Austin, TX)
    …**Cloud Windows Operations & Support** + Provide support for Windows -based systems across on-premises and cloud environments (AWS, Azure, GCP, ... of managed services operations, and a proactive, problem-solving outlook. The Senior Linux Cloud Engineer will also participate in automation initiatives, incident… more
    NTT DATA North America (09/03/25)
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  • Information System Security Manager (ISSM Level 5)

    Lockheed Martin (Fort Worth, TX)
    …than 8 years of hands\-on experience executing Security Hardening on diverse LINUX and Windows Operating Systems based on approved DISA STIGs and SRGs Experience ... Lockheed Martin Aeronautics is searching for an experienced Enterprise Information Systems Security Manager \(ISSM\) to join an exciting opportunity within the… more
    Lockheed Martin (08/13/25)
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