- Black Bear Technology Solutions, LLC (Adelphi, MD)
- Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior ... activities within the environment. This role covers the management of enterprise systems , storage, patching, and endpoint solutions across Windows platforms. The… more
- Link Solutions Inc (Adelphi, MD)
- …and appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator ( Senior -Level) to join our team at Adelphi, ... Citizen + DoD Secret Clearance required + Non-remote (relocation incentive available) The Windows System Administrator ( Senior -Level) will be responsible for… more
- Northrop Grumman (Linthicum Heights, MD)
- …Chief Information & Digital Office (CIDO) organization is seeking a well-qualified Windows /Linux Systems Administrator to join its dynamic Classified ... 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
- RBR-Technologies (Fort Meade, MD)
- …(DoD), and Defense Information Systems Agency (DISA). We are currently seeking a Windows Enterprise Domain Administrator for a remote role in the MD/DC Metro ... area. The administrator must live locally in order to attend meetings...the design, implementation, management, and security of complex multi-domain Windows environments, with a focus on Active Directory (AD)… more
- M. C. Dean (Washington, DC)
- …changing the world for the better. We are seeking a ** Windows System Administrator ** to join our **Security and Electronic Systems (SES)** business Unit. As ... markets. Responsibilities + Assessing the stability, security, and scalability of installed Windows systems . + System and server upgrades. + Installing or… more
- Leidos (Annapolis Junction, MD)
- …*You must have an active TS/SCI Polygraph up front. No exceptions.* We are hiring a ** Senior Windows Administrator / Test Lab Manager** to join a high ... + Must have experience in or familiarity with the following systems : Windows /Linux operating systems , VMware, VSphere and Vsphere architecture, VCenter.… more
- General Dynamics Information Technology (Fort Meade, MD)
- …+ years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator Senior - TS/SCI required** Transform technology ... into opportunity as a ** Systems Administrator Senior ** with GDIT....the resolution process + Configure and manage UNIX and Windows operating systems + Install/load operating system… more
- Leidos (Columbia, MD)
- **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... mission-critical program with lasting impactful results. Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the… more
- General Dynamics Information Technology (Washington, DC)
- …effort to modernize 12 US Government spectrum and frequency management systems . **HOW A SYSTEMS ADMINISTRATOR SENIOR WILL MAKE AN IMPACT:** + You will be ... Systems Administration **Skills:** Active Directory (AD),Cloud Computing,Computer Servers,Kubernetes,Microsoft Windows Server **Certifications:** Microsoft Azure Administrator -… more
- CACI International (Annapolis Junction, MD)
- Senior Systems Administrator Job Category:...systems . The Senior Systems Administrator will Configure and manage primarily Windows and ... Travel: Local * * * **The Opportunity:** CACI is seeking a Senior Linux Systems Administrator to provide support for implementation, troubleshooting and… more
- CACI International (Fort Meade, MD)
- …of Travel: Local * * * **The Opportunity:** We are seeking a highly motivated Senior Microsoft Exchange Systems Administrator with an active TS/SCI clearance ... in support of the Defense Information Systems Agency (DISA). As the Senior Exchange Administrator , you will support the daily operations and maintenance of… more
- Integration Innovation, Inc. (i3) (Washington, DC)
- Overview i3 is seeking a Senior Systems Administrator to...machines that are a mix of Unix based and Windows based systems . + Plan and document ... Server 2019 to 2022, or vCenter 7.X to 8.X) + Maintain both Windows and Unix systems in both virtual and physical capacities in order to maintain compliance with… more
- SAIC (Annapolis Junction, MD)
- …be substituted for the degree + Minimum of 14 years of experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is ... in the resolution process + Configure and manage UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains… more
- CACI International (Annapolis Junction, MD)
- …operational oversight across a range of IT platforms including UNIX, Linux, and Windows systems . The ideal candidate brings extensive hands-on experience, deep ... Senior System Administrator Job Category: Information...performance optimization + Configure and manage UNIX, Linux, and Windows operating systems ; apply enhancements to improve… more
- Dentons US LLP (Washington, DC)
- Senior Enterprise Messaging Administrator Chicago, IL, USKansas City, MO, USDallas, TX, USWashington DC, DC, USSt. Louis, MO, USAtlanta, GA, USPhoenix, AZ, US ... May 6, 2025 Dentons US LLP is currently recruiting for a Senior Enterprise Messaging Administrator . This position will ensure seamless operation, security, and… more
- Leidos (Columbia, MD)
- **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux** ** Systems Administrator ** in our **National Security Sector's (NSS) ... us and make a difference in National Security!** The Senior Linux Systems Administrator will...expertise in managing the full lifecycle of Linux and Windows platforms. The candidate will develop automations for building… more
- Black Bear Technology Solutions, LLC (Adelphi, MD)
- Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... oversees the installation, configuration, maintenance, and integrity of computing systems and software. The role involves planning, ensuring long-term system… more
- Lockheed Martin (Annapolis Junction, MD)
- …a referral\. If your referral is hired, you'll receive a payment\! code\-extrefer Senior Systems Network Administrator \- Clearance Required WHAT WE'RE ... where we foster innovation and integrity\. * As a Senior Systems Network Administrator , you'll...intelligence\. * You have extensive experience with Linux and Windows , are AWS System Administrator Certified, and… more
- GovCIO (Annapolis, MD)
- **Overview** GovCIO is hiring a Windows and Linux System Administrator ( Senior ) to support Veterans Affairs operational needs. The role requires AWS, ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6046/linux-system- administrator %2c- senior -%28remote%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6046_… more
- Parsons Corporation (Linthicum, MD)
- …, OR High school diploma and 20 years' experience as a System Administrator + Experience with Windows Sever Administration, Active Directory, and Group ... securing the platform and operational technology of National Security Systems - a mission at the heart of our...Our **National Security Solutions** team needs a **Sr. System Administrator ** to support our expanding portfolio of work in… more