- 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 ... Citizen + DoD Secret Clearance required + Non-remote (relocation incentive available) The Windows System Administrator ( Senior -Level) will be responsible… more
- Black Bear Technology Solutions, LLC (Adelphi, MD)
- …Locations: Adelphi, MD Position Overview: The Senior Windows Systems Administrator leads complex system administration and endpoint configuration ... Senior Windows Systems Administrator Clearance...aligning technology with organizational goals. Key Responsibilities: + Lead system administration activities across ARLEN and CARLEN networks. +… 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 ... activities in support of a complex network environment with geographically distributed systems . The position entails supporting system engineering requests to… more
- HarmonyTech (Washington, DC)
- …. Requirements: + Minimum 5 years of experience as a Windows System Administrator , with mid-level and senior -level experience. + Experience with ... HarmonyTech Inc. is seeking a highly skilled and experienced System Administrator to join our team. As...Online, and Teams. + Administer and support cloud infrastructure systems and cloud servers. + Maintain Windows … 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
- CACI International (Fort Meade, MD)
- Senior Microsoft Exchange System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee ... * **The Opportunity:** We are seeking a highly motivated Senior Microsoft Exchange Systems Administrator ... Exchange Administrator will be responsible for system administration of Windows 2022 Active Directory-integrated… 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....Configure and manage UNIX and Windows operating systems + Install/load operating system and application… more
- CACI International (Annapolis Junction, MD)
- Senior System Administrator Job...a range of IT platforms including UNIX, Linux, and Windows systems . The ideal candidate brings extensive ... IT systems . We are seeking an accomplished System Administrator - Level 4 to lead...complex enterprise IT environments, with a focus on high-assurance systems . This senior -level position involves architecture support,… more
- Leidos (Annapolis Junction, MD)
- **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... will involve configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity, and enhancing system performance.… 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)
- …processes related to these systems . The Senior Systems Administrator will Configure and manage primarily Windows and some UNIX operating systems ... Senior Systems Administrator Job...for implementation, troubleshooting and maintenance of Information Technology (IT) systems , manage IT system infrastructure and any… 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 ... System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration, maintenance, and… more
- Parsons Corporation (Linthicum, MD)
- … Administrator , OR High school diploma and 20 years' experience as a System Administrator + Experience with Windows Sever Administration, Active ... to provide unmatched innovation. Our **National Security Solutions** team needs a **Sr. System Administrator ** to support our expanding portfolio of work in the… 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 ... and software components to maintain the compliance of the system (ie Server 2019 to 2022, or vCenter 7.X...2022, or vCenter 7.X to 8.X) + Maintain both Windows and Unix systems in both virtual… more
- SAIC (Annapolis Junction, MD)
- …process + Configure and manage UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and ... + Minimum of 14 years of experience as a Systems Administrator in programs and contracts of...ServiceNow with other applications is required Desired: + ServiceNow System Administrator certification + DoD 8570 compliance… more
- Synergy ECP (Columbia, MD)
- Senior System Administrator Columbia,...Maintenance of Virtual Machines ? VCenter/VMWare o Linux and Windows operating systems ? CentOS, RedHat, ... or any other protected class. Job Description: This position is for System Administration support for development and production environments for a mission critical… more
- TekSynap (Columbia, MD)
- …securityvulnerabilities **REQUIRED QUALIFICATIONS** + Minimumeight(8) years of experience as a System Integrator, Administrator , or Cybersecurity Roll + Minimum ... is willing to gain, more diverse IT skills, including Windows /Linux, networking, andmore + Able to build systems... Windows /Linux, networking, andmore + Able to build systems from the ground up - network architecture/systemsengineering +… more
- Dentons US LLP (Washington, DC)
- Senior Enterprise Messaging Administrator Chicago, IL, USKansas City, MO, USPhoenix, AZ, USSt. Louis, MO, USWashington DC, DC, USDallas, TX, USAtlanta, GA, 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
- General Dynamics Information Technology (Annapolis Junction, MD)
- …** System Administrator Level IV** Transform technology into opportunity as a Systems Administrator Senior with GDIT. A career in enterprise IT means ... operate. At GDIT, people are our differentiator. As a Systems Administrator Senior you will...Linux and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot,… 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 … more