• Senior Lead Cloud Security Threat Modeler

    Citigroup (Irving, TX)
    …security** , and **network segmentation** . + Mastery of **Operating Systems** (eg, ** Windows ** , ** Linux ** ) and their hardening best practices. + Strong ... CompTIA CASP+, CompTIA PenTest+ Microsoft Certified: Identity and Access Administrator Associate **Education:** Bachelor's degree/University degree or equivalent experience… more
    Citigroup (09/18/25)
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  • PKI Admin

    Insight Global (Dallas, TX)
    …masking, tokenization or other data protection tech *Experience with distributed platforms such as Linux . Windows server is a plus. * Experience in an Agile ... We're seeking a skilled Public Key Infrastructure (PKI) Engineer / Administrator to oversee certificate authority operations using Venafi Certificate Lifecycle… more
    Insight Global (09/09/25)
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  • SOC Analyst

    CGI Technologies and Solutions, Inc. (San Antonio, TX)
    …TCP/IP, computer networking, routing and switching * Experience in Linux /UNIX and Windows based devices at the System Administrator level * System log ... forensics (Syslog, Event Viewer) * Strong troubleshooting, reasoning and problem-solving skills * Team player, excellent communication skills, good time management * Organizational skills and the ability to work autonomously with attention to processes *… more
    CGI Technologies and Solutions, Inc. (08/20/25)
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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 ... Kubernetes deployments (eg, on-premises, AWS, Azure, GCP) + Certified Kubernetes Administrator (CKA) + Strong scripting and automation skills using PowerShell, Bash,… more
    Nutanix (08/19/25)
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  • Information System Security Manager (ISSM Level 5)

    Lockheed Martin (Fort Worth, TX)
    …no less than 8 years of hands\-on experience executing Security Hardening on diverse LINUX and Windows Operating Systems based on approved DISA STIGs and SRGs ... deploying and hardening software defined infrastructure Experience as a System Administrator Experience with standard security and network environment tools and… more
    Lockheed Martin (08/13/25)
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  • Transmission Operations Engineer

    Pedernales Electric Cooperative (Leander, TX)
    …programming languages such as VB, FORTRAN, C, C++, Java & Perl + Experience with Linux and windows servers and its basic support. + Knowledge of using computer ... to help view data for Operators and support groups. . + Perform Administrator tasks for ITOA (Outage Tool) and other internally developed supporting tools for… more
    Pedernales Electric Cooperative (07/08/25)
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