• Raytheon Technologies (Mckinney, TX)
    …program personnel, and representing the organization in functional area matters. Provide IT systems administration in a heterogeneous Microsoft Windows and ... optimization. Supervising administrators whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning system… more
    Upward (07/14/25)
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  • Sr . Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (San Antonio, TX)
    **Overview** SR . SYSTEMS ADMINISTRATOR (BAMCIT):...staff augmentation. The Sr . Systems Administrator is tasked with improving IT practices ... Bowhead seeks a Sr . Systems Administrator to support the Geographic Service Providers (GSP) Brooke...IT experience with critical communication and military productions systems + Five (5) years of experience in a… more
    UIC Government Services and the Bowhead Family of Companies (07/10/25)
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  • Sr . Atlassian System Administrator

    BAE Systems (Fort Worth, TX)
    **Job Description** **Role Description:** The Sr . Atlassian System Administrator role is responsible for working to ensure the Lab42 iteration of Atlassian is ... incentives may be available based on position level and/or job specifics. ** Sr . Atlassian System Administrator ** **114639BR** EEO Career Site Equal Opportunity… more
    BAE Systems (07/23/25)
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  • Sr Windows Systems…

    RTX Corporation (Mckinney, TX)
    …that create a safer, more secure world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows environment. + Working as ... scope and complexity to include the integration of hardware and operating systems (OS). + Work with Cybersecurity professionals to maintain security requirements.… more
    RTX Corporation (07/03/25)
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  • Sr . Principal Backup and Storage System…

    RTX Corporation (Plano, TX)
    …complex IT infrastructure problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise ... are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret ** Sr . Principal Backup and Storage System Administrator Plano, TX, 100%… more
    RTX Corporation (07/10/25)
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  • Sr . Principal SharePoint and Exchange…

    RTX Corporation (Plano, TX)
    …complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise ... **Security Clearance:** DoD Clearance: Top Secret **SharePoint and Exchange System Administrator - P4 Plano, TX. Must have active Top-Secret clearance, 100% on… more
    RTX Corporation (07/09/25)
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  • Sr . Principal System Administrator

    RTX Corporation (Mckinney, TX)
    …personnel, and representing the organization in functional area matters. + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat ... + Supervising administrators whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance,… more
    RTX Corporation (07/10/25)
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  • Senior IT System…

    Amentum (Houston, TX)
    … Administrator /System Analyst** will: We are seeking a skilled and experienced ** Senior Systems Analyst** to join our IT team. In this role, you will be ... diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while...States. We have an exciting opportunity for aS **enior IT System Administrator /System Analyst** to join the… more
    Amentum (06/23/25)
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  • Senior Systems Administrator

    Eliassen Group (Frisco, TX)
    ** Senior Systems Administrator ** **Frisco, TX** **Type:** Contract-to-Hire **Category:** Engineer **Industry:** Other **Reference ID:** JN -072025-102776 ... Jobs **Description:** **Onsite | Frisco, TX** Our client has an amazing opportunity for a Senior Systems Administrator .The Senior Systems … more
    Eliassen Group (07/19/25)
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  • Senior Network/ Systems…

    GovCIO (Austin, TX)
    **Overview** GovCIO is currently hiring for a Senior Network/ Systems Administrator with an active Secret clearance. This position will be located in ... USD $112,500.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/4892/ senior -network- systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2024-4892_… more
    GovCIO (07/10/25)
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