• Senior Information System Security…

    General Dynamics Information Technology (Reston, VA)
    …position + Required Experience: 8+ years of related experience + Advanced Windows administration capabilities and Linux proficiency + Practical experience ... of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior ** **Information System Security** **Engineer** Deliver security related… more
    General Dynamics Information Technology (11/21/25)
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  • Senior DevSecOps Engineer

    BAE Systems (Sterling, VA)
    **Job Description** We are looking for a Senior DevSecOps Engineer to join our visible technical program driving the Model Based Systems Engineering (MBSE) cloud ... applications. This program delivers engineering services for Linux and Windows cloud-based infrastructure as well as sophisticated enterprise computing… more
    BAE Systems (10/31/25)
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  • Senior Information Systems Security…

    Amentum (Warrenton, VA)
    …for transformative change. **Responsibilities:** The duties and responsibilities of the ** Senior Information System Security Engineer (ISSE)** include, but are ... requirements using intimate knowledge of security design best practices for information systems . throughout the system development life cycle to support the… more
    Amentum (01/09/26)
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  • Senior Linux Systems Administrator

    Leidos (Arlington, VA)
    …+ Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator). + 3+ years deploying Unix in secured environments, ... take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator, you'll be instrumental in designing, implementing, and… more
    Leidos (12/20/25)
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  • Senior Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract in the ... + Minimum of 10 years of progressive experience in systems administration + Minimum of 5 years...and compliance Technical Skills: + Proficiency in Linux/Unix and Windows server administration in cloud environments +… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
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  • Senior Systems Engineer

    Syms Strategic Group, LLC (SSG) (Arlington, VA)
    … systems + Strong proficiency in Linux/Unix and Windows operating systems + Experience with system administration tasks including user management, ... Syms Strategic Group (SSG) is seeking a talented Systems Engineer ( Senior ) Location: Remote Department:...improvement methodology through the use of Information Technology (IT) systems or procedures + Maintain inventory of system… more
    Syms Strategic Group, LLC (SSG) (01/07/26)
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  • Mid- Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …Juniper switch configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active CompTIA Security+ CE or equivalent ... + Configure, manage, secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security,… more
    Infinity Systems Engineering (01/03/26)
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  • Senior Maintenance Manager

    Sunrise Senior Living (Mclean, VA)
    …**COMMUNITY NAME** Philadelphia Metro Area **Job ID** 2025-235476 **JOB OVERVIEW** The Senior Maintenance Coordinator ( Sr . MC) supports communities in the ... **When you join Sunrise Senior Living, you will be able to use...and policies + Responds to all building emergencies **Mechanical Systems ** + Maintains the HVAC system to… more
    Sunrise Senior Living (11/17/25)
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  • Senior Systems Engineer…

    M. C. Dean (Vienna, VA)
    …and other components of our cybersecurity infrastructure. As part of the team, the ** Senior Systems Engineer** 's responsibilities will include (but will not be ... characteristics; testing and evaluation of technology components; + **Producing detailed system design** , including network and systems infrastructure,… more
    M. C. Dean (11/26/25)
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  • Senior Network Engineer

    BAE Systems (Sterling, VA)
    …and application performance optimization functions across internal and customer systems . Additional responsibilities include: + Provide network administration ... **Job Description** BAE Systems , a top ten prime contractor to the...and Firepower Threat Defense (FTD), as well as managing Windows /Linux servers, LiveAction, VMware, and security hardware and software.… more
    BAE Systems (12/12/25)
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