• Senior System Engineer (Linux, Cloud)

    TISTA Science and Technology (Austin, TX)
    …optimize cost and efficiency. + Configure and maintain firewalls, VPNs, routing, and network security groups. + Implement identity and access management (IAM) ... permissions, and system policies. + Apply system updates, patches, and security configurations regularly. + Deploy, configure, and manage cloud resources (VMs,… more
    TISTA Science and Technology (10/24/25)
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  • Networking Administrator (Associate-Level)

    Link Solutions Inc (White Sands Missile Range, NM)
    …available) The Networking Administrator (Associate-Level) will be responsible for daily network operations, maintenance, and security at the Army Research ... + Help ensure the enforcement of cybersecurity policies in accordance with DoD security protocols. + Install and support network operating systems and… more
    Link Solutions Inc (10/08/25)
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  • Zero Trust Security Solutions SME

    General Dynamics Information Technology (Macdill AFB, FL)
    …Fortinet, Forescout). + Maintain system documentation and prepare process guides for security administration tasks. + Support projects to enhance operational ... Security ,Monitoring Tools,Splunk Enterprise Security **Certifications:** Splunk Enterprise Security Certified Admin | Splunk - Splunk, CompTIA … more
    General Dynamics Information Technology (09/13/25)
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  • Information Lead Security Analyst

    EchoStar (Englewood, CO)
    …and ensuring the resilience of our 5G network fabric. The Lead Analyst for Security Strategy and Administration is a pivotal role that serves as a force ... 5 years of progressive experience in leadership, strategic planning, technology, or security administration roles in a large enterprise environment + Experience… more
    EchoStar (10/05/25)
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  • Section Chief - Impact Unit 6 Admin (South…

    Veterans Affairs, Veterans Health Administration (San Diego, CA)
    …about the Act and the complaint process, visit Human Resources and Administration /Operations, Security , and Preparedness (HRA/OSP) at The Fair Chance Act. ... interprets, analyzes and applies MHCL, VASDHS, VA Desert Pacific Healthcare Network , JCAHO, CARF and related professional, Federal and VHA policies, procedures,… more
    Veterans Affairs, Veterans Health Administration (10/10/25)
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  • Nurse Practitioner (Section Chief - Impact Unit 6…

    Veterans Affairs, Veterans Health Administration (San Diego, CA)
    …about the Act and the complaint process, visit Human Resources and Administration /Operations, Security , and Preparedness (HRA/OSP) at The Fair Chance Act. ... interprets, analyzes and applies MHCL, VASDHS, VA Desert Pacific Healthcare Network , JCAHO, GARF and related professional, Federal & VHA policies, procedures,… more
    Veterans Affairs, Veterans Health Administration (10/10/25)
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  • Field Services Technician

    CACI International (Chesapeake, VA)
    …, CCNP- Security or SCYBER. + CompTIA: A+ CE, CASP CE, Cloud+ CE, CySA+, Network + CE, PenTest+ or Security + CE. + EC-Council: CEH, CCISO, CHFI or CND. + ... Serves as the company liaison with the customer on administrative and technical matters for assigned projects. Interprets customers'...or HCISPP. * (ISACA): CISM or CISA. _Desired:_ + Security +, Network +, experience with virtual servers -… more
    CACI International (10/09/25)
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  • Senior Principal Systems Engineer Cyber Engineer…

    RTX Corporation (Marlborough, MA)
    …and Security Content Automation Protocol (SCAP) + Experience with IT and/or network and system security administration , including operating system ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (09/17/25)
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  • Senior Linux System Admin

    Citigroup (Irving, TX)
    …automation mindset, and a strategic approach to system scalability, security , and lifecycle management. **Responsibilities:** + Deliver expert-level support and ... organization standards. + Design and enforce system hardening, access control, and security baselines aligned with the compliance framework. + Server as escalation… more
    Citigroup (09/23/25)
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  • System Admin - Advanced Electronic Systems…

    Lockheed Martin (Virginia Beach, VA)
    …Processing Group and Mission Subsystem, managing communications equipment, network administration , information assurance, data recording/data management\. ... utilizing Linux, Microsoft, and/or other operating systems\. Comp TIA Security \+ certification and demonstrated networking experience such as configuring routers,… more
    Lockheed Martin (09/20/25)
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