• Senior Technical Support Engineer, US…

    Palo Alto Networks (Plano, TX)
    …with Security Protocols (IPSEC / SSL-VPN / NAT) + Good understanding of Unix/ Linux and Windows operating systems + Experience with Cisco, Checkpoint, ... steps, timely updates, and comprehensive closure summaries in the ticketing system + Conduct multi-vendor troubleshooting on complex customer engagements, ensuring a… more
    Palo Alto Networks (11/05/25)
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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 (11/16/25)
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  • Senior Database Engineer (on-prem & cloud)

    US Bank (Irving, TX)
    …management using automation tool like Ansible.** + Experience in Linux based system . + Strong knowledge of **Cloud infrastructure ( Network , IAM, IaaS, PaaS ... territories. The E-Verify program is an Internet-based employment eligibility verification system operated by the US Citizenship and Immigration Services. Learn more… more
    US Bank (11/18/25)
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  • Principal Systems Engineer - Cybersecurity

    Sierra Nevada Company, LLC (Plano, TX)
    …technologies, including firewalls, IDS/IPS, encryption, and IAM. + Strong understanding of operating systems (Windows, Linux , Unix) and network protocols. + ... We need you! We are seeking a highly skilled Senior Systems Cybersecurity Engineer with a strong...Employee Must Have** + Bachelor's of Science degree in System Engineering or related discipline and typically 10 or… more
    Sierra Nevada Company, LLC (11/15/25)
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  • 2026 Information Technology - Infrastructure Full…

    Chevron Corporation (Houston, TX)
    … configuration using terminal console and program interfaces. * Experience with Windows and Linux operating systems * Secure network design knowledge for ... logical system design, cloud architecture analysis and design, and systems engineering. * Implement and automate Azure services through DevOps Infrastructure as… more
    Chevron Corporation (11/06/25)
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  • Systems Administrator

    ManTech (San Antonio, TX)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** System Administrator** to join our team located in the **San Antonio, TX** area. ... environments (VMWare ESX, VCenter Administration) + Experience in administration of Linux + Experience configuring and maintaining storage and file systems more
    ManTech (09/11/25)
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  • Information Systems Security Manager…

    RTX Corporation (Richardson, TX)
    …STIG/SRG hardening across Linux and Windows. + Background in network / systems security (architecture, topology, protocols, components, principles). + Hands-on ... **Security Clearance:** DoD Clearance: Secret Collins Aerospace is seeking an Information Systems Security Manager (ISSM) who strives for excellence and has a… more
    RTX Corporation (11/12/25)
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  • 2026 Information Technology - Infrastructure…

    Chevron Corporation (Houston, TX)
    …console and program interfaces. * Experience with Windows and Linux operating systems * Exposure to using network operations and security packet analysis ... system design, cloud architecture analysis and design, and systems engineering. * Implement and automate Azure services through...* Knowledge or experience in Microsoft Windows Server and Linux Operating Systems (Red Hat Enterprise … more
    Chevron Corporation (11/06/25)
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  • Engineer, Data Center (Richardson, TX)

    LinkedIn (Richardson, TX)
    …& Installation + Project Management + Ticketing Systems (Jira, ServiceNow) + Linux /Unix + Server and Network Troubleshooting You will Benefit from our ... LinkedIn is the worlds largest professional network , built to create economic opportunity for every...and contracted technicians, taking ownership of complex hardware and Linux issues, coordinate with OEM vendors for resolution, and… more
    LinkedIn (09/22/25)
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  • Technical Account Manager

    Proofpoint (Austin, TX)
    …knowledge of Proofpoint's integration within the customer's environment, including network , security, systems administration, and messaging management. + ... for protecting users, the data they create, and the systems they rely on from a uniquely people-centric perspective....a fast-paced environment that demands interaction with enterprises at senior levels, as well as with technical staff within… more
    Proofpoint (10/22/25)
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