• Systems Administrator ( Linux

    RTX Corporation (Mckinney, TX)
    …intelligent solutions for the global aerospace and defense industry. We are currently seeking a Linux Systems Administrator that will be working onsite in a ... highly collaborative, multi-platform and multi-disciplined environment. The Systems Administrator is required to have an...Administration in a heterogeneous Redhat 7 & 8 Enterprise Linux environment. + Understanding and knowledge of Linux more
    RTX Corporation (10/21/25)
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  • Linux Administrator

    Eliassen Group (Westlake, TX)
    ** Linux Administrator ** **Westlake, TX** **Type:** Contract **Category:** IT Admin **Industry:** Financial Services **Reference ID:** JN -082025-103234 **Date ... EST Our client has an exciting opportunity for a Linux Administrator . The role involves working within...DevOps and EngOps work. You will be leading managing Linux , Unix, Windows operating systems , Hypervisors, Hardware,… more
    Eliassen Group (10/14/25)
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  • Public Cloud Linux Engineer

    NTT America, Inc. (Plano, TX)
    …Responsibilities** **Cloud Linux Operations & Support** Provide support for Linux -based systems across on-premises and cloud environments (AWS, Azure, GCP, ... Skills** In-depth expertise in provisioning, configuring, securing, supporting, and optimizing Linux -based systems (RHEL, CentOS, Ubuntu, etc.) in enterprise… more
    NTT America, Inc. (10/02/25)
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  • Lead Public Cloud Linux Engineer

    NTT DATA North America (Plano, TX)
    …+ Cloud Linux Operations & Support + Provide support for Linux -based systems across on-premises and cloud environments (AWS, Azure, GCP, OCI). ... + In-depth expertise in provisioning, configuring, securing, supporting, and optimizing Linux -based systems (RHEL, CentOS, Ubuntu, etc.) in enterprise… more
    NTT DATA North America (09/03/25)
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  • Senior Linux System Admin

    Citigroup (Irving, TX)
    …This individual will serve as a subject matter expert (SME) on Linux systems , providing deep operational insight, advanced troubleshooting, performance tuning ... are seeking an accomplished and technically astute Level 3 Linux System Administrator to join our high-performance... Linux Programming, Linux Server Administration, Linux System Administration, Linux Systems more
    Citigroup (09/23/25)
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  • Windchill Application Administrator

    RTX Corporation (Plano, TX)
    …technologies, tools, or methodologies: PTC Windchill, Oracle database, Apache web server, Linux & Windows server operating systems , Shell scripting, CAD tools ... clearance **Security Clearance:** DoD Clearance: Top Secret **Windchill Application Administrator (PDM/PLM)** **Business and Transformation Technologist, Principal Specialist** **Raytheon… more
    RTX Corporation (09/19/25)
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  • PWE Systems Administrator (ISSA)…

    RTX Corporation (Richardson, TX)
    …Clearance:** DoD Clearance: Secret Collins Aerospace, Digital Technology, is hiring a Systems Administrator for our Secure Labs support team. A minimum ... Virtualization Technologies (VM Ware, etc.) + Experience as a Linux Systems Administration + Experience with Compliance frameworks (RMF, DFARS). **Qualifications… more
    RTX Corporation (08/13/25)
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  • Principal Storage Administrator

    RTX Corporation (Mckinney, TX)
    systems administration and networking administration experience, Windows or Linux administration, backup, and recovery enterprise suites. + Experience with ... world. **What You Will Do:** + Administer, configure, and maintain storage systems (ie NetApp AFF/FAS and/or hybrid environments running ONTAP. + Manage storage… more
    RTX Corporation (10/15/25)
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  • Principal System Administrator

    RTX Corporation (Mckinney, TX)
    …(OS). + Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux /Windows ... Enterprise Linux , Active Directory, WSUS, VMware, BackupExec, NetBackup, prior systems administration experience, Windows or Linux administration, Backup and… more
    RTX Corporation (10/24/25)
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  • Multi Function Info Systems - Level 3 Mpse…

    Lockheed Martin (Fort Worth, TX)
    …updates, anti\-virus/anti\-spyware updates, and patch updates \* Red Hat Enterprise Linux System Administrator \* Importing/Exporting large data volumes \* ... endless amount of opportunities for up\-and\-coming Autonomic Logistics Information Systems \(ALIS\) or Mission Planning Environment \(MPE\) professionals seeking a… more
    Lockheed Martin (10/08/25)
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  • Cyber Systems Security Engineer - Level 2

    Lockheed Martin (Fort Worth, TX)
    …rack components Applying updates, anti\-virus/anti\-spyware updates, and patch updates Linux System Administrator Importing/Exporting large data volumes ... and monitoring \* Maintaining smooth, secure operation of multi\-user computer systems through coordination with peers, Tier2 and engineers \* Desktop and… more
    Lockheed Martin (10/10/25)
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  • Lead Application Reliability Engineer

    Citigroup (Irving, TX)
    …or a large, complex, and/or global environment. + Experience managing and troubleshooting ** Linux Operating Systems ** **_(eg, Red Hat Enterprise Linux ... support and maintenance of a robust technology stack including middleware, databases, Linux , and AWS EKS, all within a strictly regulated and change-controlled… more
    Citigroup (10/18/25)
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  • Lead Cloud Oracle Database (DBA) Engineer

    NTT America, Inc. (Plano, TX)
    …with database performance tuning, query optimization, and troubleshooting. Expertise in Unix/ Linux operating systems (Oracle Linux preferred), shell ... (US). Job Summary We are seeking a highly skilled Lead Oracle Database Administrator (DBA) with strong expertise in Oracle Exadata and Oracle Cloud infrastructure… more
    NTT America, Inc. (10/02/25)
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  • Site Reliability Engineer III

    JPMorgan Chase (Plano, TX)
    …skillsets to drive innovation and modernize the world's most complex and mission-critical systems . As a Site Reliability Engineer III at JPMorgan Chase within the ... business problems **Preferred qualifications, capabilities, and skills** + Networking and systems + Deep understanding of TCP/IP, DNS, load balancing, firewalls, and… more
    JPMorgan Chase (10/19/25)
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  • ServiceNow Platform Operations Specialist

    Bank of America (Plano, TX)
    …aged revocation monitoring to identify and fix defects in applications and systems of record + Prepares technical documentation and develops procedures for trouble ... opportunities requiring escalations **Required Qualifications:** + ServiceNow Certified System Administrator (CSA) certification, product micro certifications + Proven experience… more
    Bank of America (09/24/25)
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  • Master Data Hub Operations Specialist

    Bank of America (Plano, TX)
    …obtain results, and establishing input/output processes and working parameters for systems . **Responsibilities:** + Maintain and support the MDH platform while ... and oversees stability, resiliency, reliability, and the performance of multiple supported systems + Mentors other team members and provides technical leadership +… more
    Bank of America (08/27/25)
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  • Senior Database Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …5 years of Database Engineering experience. + Experience as a Database Administrator (DBA) and Database Engineer (DBE) + Experience with Relational Database ... Management Systems (RDBMS)...+ Experience virtualizing or containerizing databases. + Experience using Linux command line to perform database administration activities. +… more
    RTX Corporation (10/15/25)
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  • Cloud Security Threat Modeler Senior Analyst

    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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