• Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …a safer, more secure world. **What You Will Do:** + Provide IT systems administration in a heterogeneous RedHat Enterprise / Microsoft Windows and environment. + ... scope and complexity to include the integration of hardware and operating systems (OS). + Work with Cybersecurity professionals to maintain security requirements and… more
    RTX Corporation (09/24/25)
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  • Lead Software Engineer (SRE/ Devops)

    Capital One (San Jose, CA)
    …**2+ years of experience developing and using performance tools (eg, New Relic, Splunk )** **4+ years of Kubernetes Administrator experience.** **4+ years of ... with deep experience in machine learning, distributed microservices, and full stack systems to create solutions that help meet regulatory needs for the company**… more
    Capital One (09/08/25)
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  • Manager, Site Reliability Engineering (Chicago…

    Cisco (IL)
    …faster, and deliver great customer experiences. Infrastructure Software Engineers at Splunk are cloud-native systems engineers who use infrastructure-as-code, ... to deliver the best experience for our customers. At Splunk , we are committed to our work, customers, having...smart engineers who are passionate about large scale distributed systems for _Splunk Cloud Observability_ in _FedRAMP_ environments. +… more
    Cisco (08/23/25)
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  • System Engineer (TS/SCI)- Senior or Mid…

    Vexterra Group (Bethesda, MD)
    …to Microsoft Certified Solutions Expert (MCSE) Certification or MCSA (Microsoft Certified System Administrator ) + Experience with SAN or network storage setup ... Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support the… more
    Vexterra Group (10/14/25)
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  • Cyber Security Engineer

    BAE Systems (Herndon, VA)
    …eleven (11) years' experience. + Strong knowledge of Windows and Linux operating systems + Familiarity with system hardening, patch management, and configuration ... architecture and identity/access management strategiesT Toolsets & Platforms: + Security Tools: Splunk , Rapid 7 + Operating Systems : Windows Server, RHEL/CentOS,… more
    BAE Systems (09/09/25)
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  • Engineer Systems / Principal Engineer…

    Northrop Grumman (San Diego, CA)
    …+ Familiarity with additional Linux based distributions. + Red Hat Certified Systems Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) preferred. ... systems . + Install, upgrade, and maintain Windows based system hardware. + Familiarity with Multi-Domain functionality, Active Directory, Cross-Domain… more
    Northrop Grumman (08/15/25)
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  • Chief Engineer Cyber IT Program

    BAE Systems (Sterling, VA)
    …and presenting technical papers + AWS Certified Associate Architect, Developer or SysOps Administrator + Microsoft Certified System Administrator in Cloud ... architecture, development, integration, operations, and sustainment of enterprise IT systems including both on-premises infrastructure (networks, computing, storage, desktops)… more
    BAE Systems (09/09/25)
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  • Principal Cyber Systems Engineer

    Northrop Grumman (San Diego, CA)
    …working with engineering teams, management, customers, partners and government. + System Administrator Experience with Red Hat Enterprise Linux + ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (10/10/25)
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  • Senior Linux System Admin

    Citigroup (Irving, TX)
    …**:** We are seeking an accomplished and technically astute Level 3 Linux System Administrator to join our high-performance infrastructure team. This individual ... Relevant Skills** Kubernetes, Linux Programming, Linux Server Administration, Linux System Administration, Linux Systems Programming, Python (Programming… more
    Citigroup (09/23/25)
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  • Senior Information Systems Security…

    COLSA Corporation (Huntsville, AL)
    …or a related field. + 10 + years working as an ISSE and/or Linux system administrator + Ability to clearly present and communicate technical approaches and ... Responsible for the design, test, operation and implementation of secure operating systems , networks, and database products. This role is 100% on-site Principal… more
    COLSA Corporation (10/04/25)
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