• Information System Security Manager…

    Lockheed Martin (Fort Worth, TX)
    … Experience in deploying and hardening software defined infrastructure Experience as a System Administrator Experience with standard security and network ... 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… more
    Lockheed Martin (08/13/25)
    - Related Jobs

  • Senior Endpoint Security Engineer

    AIG (Dallas, TX)
    …standards of excellence. The team is responsible for shielding the company's systems from security risks, while designing technology strategies that enable ... Group, responsible for Engineering and Operational support of an Enterprise-wide Endpoint Security Management system and procedures. The Engineer will identify… more
    AIG (08/27/25)
    - Related Jobs

  • Systems Engineer Senior - Level 3

    Lockheed Martin (Fort Worth, TX)
    …Qualifications:** * Proficient with Windows and Linux /Unix operating systems configuration and troubleshooting\. * IT System /Software Troubleshooting ... MPE system anomalies and issues * Lab configuration consisting of installation of Linux and Windows operating systems in a variety of hardware to include… more
    Lockheed Martin (07/26/25)
    - Related Jobs

  • Senior Software/ System Architect

    TISTA Science and Technology (Austin, TX)
    Overview Are you a Senior Software/ System Architect who would like to have a positive impact for millions of people? If so, we may have an opportunity for you! TISTA ... VMs, VNets, Storage, Azure AD, and App Services (Azure). + Automate system deployment, configuration, patching, and monitoring using Ansible, SSM, Azure Automation,… more
    TISTA Science and Technology (09/05/25)
    - Related Jobs

  • Systems Engineer L3

    NTT America, Inc. (Austin, TX)
    …related experience. **REQUIRED EXPERIENCE** + Minimum 5-7 years of experience as a Linux or Windows Systems Administrator /Engineer in an Enterprise Data ... and optimize enterprise storage (SAN, NAS), and backup solutions. + Monitor system performance, security , and availability; proactively identify and address… more
    NTT America, Inc. (09/27/25)
    - Related Jobs

  • UNIX Systems Engineer

    GovCIO (Austin, TX)
    …waived for 30 days after project join date. + 5+ yrs experience as a Unix Systems Administrator or IT Engineer with experience in automating assigned tasks. + 3+ ... position. **Responsibilities** This position is for a Senior UNIX System Engineer for a mixed and growing environment of...yrs experience in patch management with understanding how toapply security updates to systems via YUM and… more
    GovCIO (09/24/25)
    - Related Jobs

  • Senior Lead Cloud Security Threat Modeler

    Citigroup (Irving, TX)
    …Analyst (GCIA), GIAC Open Source Intelligence (GOSI) + ISC2 Certified Information Systems Security Professional (CISSP) + CompTIA CASP+, CompTIA PenTest+ ... enable growth and progress together. **Overview of Chief Information Security Office (CISO):** The **Chief Information Security ..., and **network segmentation** . + Mastery of **Operating Systems ** (eg, **Windows** , ** Linux ** ) and… more
    Citigroup (09/18/25)
    - Related Jobs

  • Cloud Security Threat Modeler Senior…

    Citigroup (Irving, TX)
    …a **Cybersecurity** role. + Proven experience with **Jira** or other similar ticketing systems . + Strong understanding of security best practices related to ... vulnerabilities using **CWE** or **OWASP** frameworks. + Working knowledge of **Operating Systems ** (eg, **Windows** , ** Linux ** ) and their hardening best… more
    Citigroup (09/23/25)
    - Related Jobs

  • Infrastructure Cloud Engineer Lead

    NTT DATA North America (Dallas, TX)
    …Associate + Microsoft Certified: Azure Administrator Associate + Red Hat Certified System Administrator (RHCSA) + Red Hat Certified Engineer (RHCE) + ITIL ... Hyper-V, KVM. + Patch management and OS lifecycle management. + Performance tuning and system optimization for both Windows and Linux servers. + Monitoring and… more
    NTT DATA North America (09/03/25)
    - Related Jobs

  • Engineer II, Cloud

    CARMAX (Plano, TX)
    …Monitor and maintain system performance, availability, and health across Red Hat Linux environments. + Apply patches, updates, and security fixes using Red ... of our innovation is new digital products. We are seeking a motivated and detail-oriented Linux Systems Engineer to join our Enterprise Systems team. This… more
    CARMAX (08/08/25)
    - Related Jobs