11 of 11 Senior Windows Administrator Jobs

Description & Requirements Maximus is seeking a Senior Windows Administrator to join our team. As a Senior Windows Administrator, you will be responsible for overseeing the design, implementation, and maintenance of windows-based servers and systems. Your role will involve managing server infrastructure, troubleshooting … issues, and ensuring the reliability and security of the Windows environment. This position is an onsite role, 5 days a week and requires a secret clearance. Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS220, T4, Band 7 Job-Specific Essential Duties and Responsibilities: - Administer and maintain … Windows-based server infrastructure, including installation, configuration, and patch management - Monitor system performance, identify bottlenecks, and implement optimization strategies to ensure performance and reliability - Experience in Windows-based systems, such as Windows 2008/2012R2/2016R2 - Create and maintain documentation related to system configurations, procedures, and More ❯

TMC Technologies is in search of a highly skilled Senior Systems Administrator to join our team, focusing on the operation, maintenance, and engineering of complex infrastructure systems. This role requires a proactive, hands-on professional with expertise in Windows systems administration, security, and cross-functional collaboration. As … The candidate must be a US citizen and possess a minimum of an active Secret clearance to start due to federal contract requirements. The Senior Systems Administrator - Windows will have the following responsibilities: Systems Engineering & Administration: - Provide hands-on engineering and administration support for: - Hardware (Dell laptops … servers) - Virtualization (vSphere ESXi, vCenter, vRealize Operations Manager) - Windows Administration (Windows Server, Windows 10, Active Directory, MECM, SQL Servers) - Act as a Subject Matter Expert (SME), offering actionable guidance to resolve technical challenges, execute vulnerability resolutions, and ensure continuous system improvements. - Support the full project lifecycle for More ❯

NEW FTC ROLE - SENIOR IT SYSTEMS ADMINISTRATOR (WINDOWS) Southeast England Hybrid (40% on-site) 6 month FTC Salary TBC Full-Time Interviews via Teams/On-site A leading institution in the Southeast is seeking a Senior IT Systems Administrator to join its dynamic and … solutions, and broader support across the technology estate. What You'll Be Doing Administering and developing the Microsoft 365 and Exchange Online environment. Managing Windows Server infrastructure and Active Directory/Azure AD . Implementing and maintaining patch management and backup/DR solutions . Supporting ongoing cloud migration … with internal teams and stakeholders to ensure operational excellence. What We're Looking For: Strong experience administering Microsoft 365 , Exchange/Exchange Online , and Windows Server Solid understanding of Active Directory and Azure AD Proven ability to manage backup and disaster recovery systems Hands-on knowledge of patching processes More ❯

Senior Windows Systems Administrator Redstone Arsenal/Huntsville, AL IPT Associates (IPTA) is passionate about providing our customers with technical solutions that satisfy their business needs. Through collaborative interactions with customers, team members, subject matter experts (SMEs), technical leaders, and partners we design practical solutions that solve … for the hardware/software support for application servers, network infrastructure, web servers, print servers, virtual file servers, virtual machines, and reporting tools Perform Windows Server OS upgrades while minimizing service downtime Maintain a centralized and secure print solution in an enterprise environment; manage STIG compliance for enterprise printers … users Responsible for Hardware/Software maintenance including patch management, vulnerability remediation/mitigation, configuration management, firmware obsolescence adjudication, capability enhancements, and updates Develop Windows domain PowerShell scripts to aid and enhance the administration of the AvMC unclassified network. Perform system scans and analyses using Government provided tools and More ❯

our exciting and fast-growing National Security Group! $15k SIGN ON BONUS! Must have an active TS/SCI Polygraph. We are hiring a Senior Windows Administrator/Test Lab Manager to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support … experience with network switches, routers, and firewalls from Cisco, Juniper, or similar enterprise vendors. Must have experience in or familiarity with the following systems: Windows/Linux operating systems, VMware, VSphere and Vsphere architecture, VCenter. Must have experience deploying VCenter instances/virtual machines. Must have experience with VDI … of working proficiently independently as well as within a team. Must be committed to adopting and adhering to best practices including compliance with maintenance windows and change control procedures. Must be able to respond to system administration and maintenance problems while off duty, on an on-call basis. Must More ❯

our exciting and fast-growing National Security Group! $15k SIGN ON BONUS! Must have an active TS/SCI Polygraph. We are hiring a Senior Windows Administrator/Test Lab Manager to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support … experience with network switches, routers, and firewalls from Cisco, Juniper, or similar enterprise vendors. Must have experience in or familiarity with the following systems: Windows/Linux operating systems, VMware, VSphere and Vsphere architecture, VCenter. Must have experience deploying VCenter instances/virtual machines. Must have experience with VDI … of working proficiently independently as well as within a team. Must be committed to adopting and adhering to best practices including compliance with maintenance windows and change control procedures. Must be able to respond to system administration and maintenance problems while off duty, on an on-call basis. Must More ❯

our exciting and fast-growing National Security Group! $15k SIGN ON BONUS! Must have an active TS/SCI Polygraph. We are hiring a Senior Windows Administrator/Test Lab Manager to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support … experience with network switches, routers, and firewalls from Cisco, Juniper, or similar enterprise vendors. Must have experience in or familiarity with the following systems: Windows/Linux operating systems, VMware, VSphere and Vsphere architecture, VCenter. Must have experience deploying VCenter instances/virtual machines. Must have experience with VDI … of working proficiently independently as well as within a team. Must be committed to adopting and adhering to best practices including compliance with maintenance windows and change control procedures. Must be able to respond to system administration and maintenance problems while off duty, on an on-call basis. Must More ❯

for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. Description Markon is seeking a Senior-level Windows Systems Administrator to support our Intelligence Customer. Responsibilities Sustainment of an Oracle Primavera Commercial Off-The-Shelf (COTS) application. Maintaining … the operational integrity of the Oracle Primavera application. Maintaining the Windows and Database environments in AWS which host the COTS Primavera Project and Portfolio Management software suite. Manage and configure cloud resources effectively (AWS). Monitoring the WebLogic and Tomcat servers, deploying applications, patching systems as well as configuring More ❯

protecting our mission partners and ensuring program success. Our Mission. Your Success. To learn more, visit Bryn Neil is looking for a Sr. Systems Administrator to join our world-class engineering team. In this role, you'll be responsible for maintaining both Windows and Linux systems in a … secure cloud environment. Required Skills: TS/SCI with CI Poly 10+ years of experience CompTia Sec+ certification Unix/Linux Administrator Active Directory and Windows Administrator Jenkins AWS Preferred Qualifications Scripting & Automation: Strong skills in Bash, shell scripting, Ansible (YAML), Chef (cookbooks/recipes), or similar More ❯

Description Experienced Windows Admin with exposure to VMware ESXi Experience with NAS setups Exposure to Linux Exposure to Cisco switches Experience with Agency security requirements and implementation of STE mechanisms Requirements TS/SCI clearance with a polygraph Bachelor's degree in Technology and 15+ years of experience with More ❯

The System Administrator is responsible for support, configuration, maintenance, and operations of the Windows server and Active Directory environment. Emphasis on building automation processes, scripting, and PowerShell experience. Primary Functions/Job Description Work with System Administrator team to learn server environment Maintain/upgrade/build …/implement Windows Systems Manage/maintain/troubleshoot Active Directory Build and implement Group Policies Maintain, configure, monitor, tune, and troubleshoot server software Manage user accounts and access to systems Daily resolution of ticket/issues sent to System Administrator queue Perform daily monitoring of environment including … objects and layout Knowledge of Group Policy - deployment and development Expert knowledge with DNS, TCP/IP, DHCP, HTTP, and TLS Expert knowledge of Windows Server systems (Win 2016, 2019, 2022, 2025) Expert scripting in PowerShell Knowledge of CA/PKI environments Knowledge of Windows Clustering Understanding of More ❯