• Senior Cybersecurity Network Defense…

    CGI Technologies and Solutions, Inc. (Radford, VA)
    ** Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer - Senior )** **Category:** Cyber Security **Main location:** ... Description:** CGI Federal is looking for a Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer - Senior ) to help… more
    CGI Technologies and Solutions, Inc. (10/29/25)
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  • Systems Administrator II Generalist Sr…

    V2X (Springfield, VA)
    … Systems Administrator II shall work closely with the activity's Senior Systems Administrator , Network Engineer as well as the IT team to ensure that ... integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI clearance… more
    V2X (11/15/25)
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  • Lead Network Engineer / Boston MA…

    Motion Recruitment Partners (Boston, MA)
    …/ 2 remote This position is perfect for a senior -level Network Administrator or Network Engineer who thrives in hands-on technical environments and ... Lead Network Engineer / Boston MA /...Lead Network Engineer / Boston MA / Onsite Boston, Massachusetts...**Onsite** Contract $70/hr - $85/hr This is a Lead Network Administrator contract role based in Boston,… more
    Motion Recruitment Partners (11/11/25)
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  • Cybersecurity Network Defense…

    GovCIO (Dover, DE)
    …VA and will be a remote position. **Responsibilities** The Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer - Senior ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6786/cybersecurity- network -defense- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6786_… more
    GovCIO (09/25/25)
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  • Senior Systems Administrator

    TekSynap (IA)
    … Associate + Oracle Cloud Infrastructure Cloud Operations + Red Hat Certified Engineer + Red Hat Certified System Administrator **Education** + Bachelor's degree ... and implement effective solutions in a timely manner. **Overview** We are seeking a Senior Systems Administrator to join our team. TekSynap is a fast growing… more
    TekSynap (11/15/25)
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  • Senior Linux/Unix Administrator

    S4 Inc. (Omaha, NE)
    …Travel: Occasional Salary: Commensurate with experience Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 ... Experience | Full Time | Comprehensive and competitive benefits Job Title: Senior Linux/Unix Administrator Work Location: USSTRATCOM Offutt AFB Clearance: TS/SCI… more
    S4 Inc. (10/08/25)
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  • Network Administrator

    RTX Corporation (Portsmouth, RI)
    …problems that create a safer, more secure world. Join this high impact team as a Senior Network Engineer (P2) to ensure the smooth operation of classified ... are eligible for a security clearance​ **Security Clearance:** Secret - Current ** Senior Analyst, Network Administrator (P2)** **Raytheon Digital… more
    RTX Corporation (10/22/25)
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  • Senior Network Administrator

    KBR (Honolulu County, HI)
    Title: Senior Network Administrator Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... Research and Engineering Network (SDREN), Defense Research and Engineering Network (DREN). As a Network Engineer , you will be a critical part of our… more
    KBR (11/27/25)
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  • Senior Systems Administrator

    Belcan (Cincinnati, OH)
    Senior Systems Administrator Job Number: 361641 Category: -Software & Systems SBU Description: A Senior Systems Administrator job in Cincinnati, OH or ... Mitigation (CDM) practices. Preferred Qualifications: * Microsoft Certified Systems Administrator / Engineer (MCSA/MCSE) or equivalent (eg, Azure Administrator more
    Belcan (12/07/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our team, ... Administrator + ITIL 4 Foundation Certification + Microsoft Certified: Azure Administrator Associate + Red Hat Certified Engineer (RHCE) + VMware Certified… more
    General Dynamics Information Technology (09/16/25)
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  • Senior Linux Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** SENIOR LINUX ADMINISTRATOR (RDTE) Bowhead seeks a Senior Linux Administrator (NetServ) to join our team in Dahlgren, VA. The Senior ... or similar Ticket Management system + Obtain the Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) certification within 60-90… more
    UIC Government Services and the Bowhead Family of Companies (11/21/25)
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  • Senior Systems Administrator

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows/Linux Dual-Stack Specialist** to join our team in **Boulder, CO** . ... Mitigation (CDM) practices. **Preferred Qualifications:** + Microsoft Certified Systems Administrator / Engineer (MCSA/MCSE) or equivalent (eg, Azure … more
    ManTech (11/05/25)
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  • Senior Database Administrator

    TekSynap (IA)
    …scripting and tools to support database administration tasks. **Overview** We are seeking a Senior Database Administrator to join our team. TekSynap is a fast ... AWS Certified Solutions Architect - Associate + Microsoft Certified: Azure Security Engineer Associate + Microsoft Certified Architect: MS SQL Server + Microsoft… more
    TekSynap (11/15/25)
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  • Senior IT / System Administrator

    R&D Industries, Inc. (Milford, IA)
    …are expected to have leading-class knowledge of hardware, software, networking, and security. A Senior Systems & Network Engineer should have years of ... Position Overview Our Senior IT / System Administrators & Network...* CompTIA Net+ * CompTIA Security+ * Microsoft 365 Administrator Expert * Windows Server Hybrid Administrator more
    R&D Industries, Inc. (09/17/25)
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  • Security Engineer (Wiz and TVM…

    Leidos (Arlington, VA)
    **Description** Leidos has an immediate need for a Security Engineer for a customer on a highly visible and strategic Cybersecurity Task Order. The Security ... Engineer will need to be a self-starter with excellent...vulnerability management workflows where possible + Work closely with senior engineers, other team members and application owners to… more
    Leidos (11/25/25)
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  • Senior Systems Administrator

    Mount Sinai Health System (New York, NY)
    …data warehouse team and a research data services team. The **_Senior Systems Administrator / Engineer ,_** as a member of the Scientific Computing and Data group, ... a computational and data science ecosystem for researchers at Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems, and… more
    Mount Sinai Health System (09/22/25)
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  • Senior System Administrator

    Insight Global (Wichita, KS)
    …Skills and Requirements * 5-7 years of experience in a system administrator or system engineer role * Background with virtualization (Vmware, ... Insight Global is looking to hire a Sr Systems Administrator to join a customer of ours in the...The role involves managing and maintaining complex system and network infrastructure to ensure optimal performance and reliability. Key… more
    Insight Global (11/07/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …Issues **Certifications:** CompTIA Security+ CE | CompTIA - CompTIA, Red Hat Certified Engineer (RHCE) | Red Hat - Red Hat **Experience:** 5 + years of ... **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for… more
    General Dynamics Information Technology (10/25/25)
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  • Senior Windows Administrator

    TekSynap (Radford, VA)
    …**REQUIRED QUALIFICATIONS** **Experience** + Five (5) years as a Windows Systems Administrator or Engineer , including 3 years of task automation using ... applications/websites (eg, IIS, Apache). + Five (5) years working in complex network environments with strong knowledge of TCP/IP, DNS, DHCP, SMTP, SNMP. +… more
    TekSynap (10/25/25)
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  • Network Administrator

    Huntington Ingalls Industries (Albuquerque, NM)
    …for a short video: https://vimeo.com/732533072 Summary HII - Mission Technologies is seeking a Network Administrator for a high priority project that is part of ... - $140,000.00 Security Clearance: Top Secret Level of Experience: Senior This opportunity resides with Global Security (GS). Mission...in a multi-domain, joint and coalition conflict. As a Network Administrator you will implement and maintain… more
    Huntington Ingalls Industries (11/15/25)
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