1 to 25 of 41 Windows Administrator Jobs

Linux/Windows Systems Administrator Location: Springfield, VA Clearance: Secret Position Overview: The Linux/Windows Systems Administrator is responsible for the design, implementation, maintenance, and security of the organization's Linux and Windows server infrastructure. The ideal candidate should possess strong expertise in Linux and Windows operating systems. Key Responsibilities: System Administration: Install … configure, and maintain Linux and Windows servers. Perform routine system monitoring, analysis, and troubleshooting to ensure optimal system performance. Collaborate with cross-functional teams to design and implement system upgrades, patches, and new applications. Security Management: Implement and maintain security measures to safeguard systems against unauthorized access, vulnerabilities, and data breaches. Conduct regular security audits, vulnerability assessments, and implement … automate routine tasks, streamline processes, and improve system efficiency. Create and update documentation for scripts, configurations, and procedures. User Support: Provide technical support to end-users for Linux and Windows-related issues. Collaborate with the helpdesk team to resolve escalated support tickets in a timely manner. Monitoring and Performance Tuning: Implement and maintain monitoring solutions to proactively identify and More ❯

We are seeking a skilled and experienced Windows Administrator to manage, maintain, and support our Windows-based systems and infrastructure. The ideal candidate will have hands-on experience in system administration, user support, security configuration, and performance tuning in enterprise environments. Key Responsibilities: Install, configure, and maintain Windows Servers (2012/2016/2019/… DHCP, and other core services. Administer and maintain user accounts, permissions, and access rights. Perform system monitoring, backup, and disaster recovery planning. Troubleshoot hardware, software, and networking issues on Windows platforms. Apply security patches and system updates regularly to maintain system integrity. Maintain system documentation, standard operating procedures, and configurations. Support virtualization environments (e.g., Hyper-V, VMware). Collaborate … with network, application, and security teams to ensure smooth operations. Manage and monitor Windows-based applications and services (IIS, SQL Server, etc.). Ensure compliance with organizational IT policies and security standards. Required Qualifications: Bachelors degree in Computer Science, Information Technology, or related field. 3+ years of experience in Windows System Administration. Strong knowledge of Active Directory, DNS More ❯

Position Title: Windows System Administrator I Position Summary: We are seeking a detail-oriented Windows System Administrator I to support and maintain our IT infrastructure. This role will primarily focus on managing Windows-based systems, with additional responsibilities in automation, Apple macOS administration, and VMware virtualization. The ideal candidate will have a strong technical foundation … a proactive approach to problem-solving, and a passion for optimizing system performance through automation. Essential Duties and Responsibilities : Windows Administration : Install, configure, and maintain Windows Server and client operating systems. Manage Active Directory, Group Policy, and system security updates. Automation & Scripting : Develop and implement automation scripts using PowerShell or other scripting languages to streamline system tasks and … improve efficiency. Apple macOS Support : Provide configuration, deployment, and troubleshooting support for Apple devices, including integration with enterprise systems. Application Deployment: Manage and deploy applications across Windows and macOS environments using tools like SCCM, Intune, or JAMF. VMware Management : Assist in managing VMware environments, including virtual machine deployment, resource allocation, and performance optimization. System Monitoring & Maintenance : Monitor system performance More ❯

/SCI clearance with Intel Polygraph Mandatory Requirements: • Bachelor's Degree in related technical discipline OR equivalent work experience in lieu of degree • 15 years of experience supporting Microsoft Windows enterprise environments, including administration or Active Directory and the management of group policy security configurations • Experience with trouble shooting domain connectivity and performance issues • Experience working with network monitoring … tools such as SolarWinds Orion • Significant experience with automation and scripted deployment of Windows resources, to include servers and workstation images • Window Server Update Services (WSUS) knowledge and hands on expertise across various enclave environments • Experience with VMware technologies, to include vSphere 7/8, VSAN, and specifically VMware Horizon View Virtual Desktop Infrastructure • Understanding or knowledge of cloud … non-technical customers • Analyze customer requirements and provides solutions to a variety of technical problems of varying degrees of complexity • Performs maintenance and upgrade of the following computing environments: Windows Server 2022/2019, Windows 10/11 • Must be well experienced with Active Directory, DNS, DHCP, IIS, PowerShell scripting, to include automation and configuration management such as More ❯

Directory creation and maintenance of user accounts, computer OU objects, groups, security, group policies (GPOs) including limitations of capability, permissions and access • Responsible for shared 24x7 coverage of the Windows physical and/or virtual support • Experience within DoD environment or enterprise data center desired • Support day-to-day technical communication systems, alerts and incident tickets queue in support … of operations; Open/track change requests and interact with external customers or vendors • Experience with supporting Windows desktops and/or servers - Must have a minimum of 2+ years of experience with WinOS technologies - Prefer a minimum of 1-3 years of experience with Windows server environment • Knowledge of network protocols and technologies: 802.1x, AAA, DHCP, DNS … Ability to utilize Office products (Word Excel, OneNote, Teams, OneDrive, PowerPoint, etc), server operating systems, virtualization, managing data, applications, websites, APIs, or database supporting a multi-site, multi-domain Windows forest • Capability to work both independently and as an effective team member, planning and organizing work, and have the flexibility to cope with a changing environment and short deadlines More ❯

SYSTEM ADMINISTRATOR LINUX-WINDOWS SAIC has an immediate need for a BMC3 Systems Administrator Analyst with Linux full stack development experience. We are looking for an innovative and motivated individual at an SAIC facility in Huntsville, AL to help plan and execute testing, training, maintenance, and operate the BMC3 ground simulation test lab hardware. Candidates must have … Servers in a VMWare Virtualized Environment. Apply DISA STIG compliance controls to secure systems. Responsible for daily system monitoring, security, server health, resources and log management of Linux and Windows Server systems. Troubleshooting and performing root cause analysis. This includes troubleshooting all issues with system configurations, backups, files systems, and user access. Support Linux platforms hosting applications, operations and … Support docker desktop containers and services such as Kubernetes. Qualifications Required Qualifications: Bachelor's and five (5) years or more experience; Must have CompTIA Certs Security+ certification Experience with Windows 10 and Windows Server 2019 or higher Linux System Administrator Windows System Administrator Working knowledge of Hyper-V or Vmware Proficiency in working with AWS More ❯

I'm working with a leading University in the South of England who are looking for a Senior IT Systems Administrator (Windows). The role is focused on managing and developing core IT services, with a strong emphasis on Windows Server Environments, Active Directory, Office 365, and backup/disaster recovery solutions. The position also plays a … infrastructure team. MUST HAVE EXPERIENCE: Microsoft 365 (Office 365) – admin, support, and development Exchange/Exchange Online –must have proven experience of migrating Exchange on–premise to Exchange online Windows Server – strong hands–on experience Active Directory/Azure AD – configuration, support Backup systems and disaster recovery processes Experience working in or with the higher education sector ESSENTIALS: Strong 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 collaborative IT infrastructure team. Key Essentials – Must-Haves Deep, hands-on experience … administration, backup and disaster recovery 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 from on-premise systems. Contributing … line with ITIL practices. Collaborating 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 and systems Familiarity with the More ❯

Windows Systems Administrator (Mid-Level) Windows Server, VMware, Active Directory, AWS EC2 £40,000 - £45,000 2 Days per week in the Southampton office Mid-Level Windows Systems Administrator required to join a leading international Software Business committed to delivering high-performance IT solutions. This is a large operation and will be working within a …/7 production environment with 85% of your time being Windows Server and 15% VMware. As a Mid-Level Windows Systems Administrator you will maintain and contribute to the ongoing reliability, performance and support of the infrastructure. This includes monitoring the operating environments, responding to incidents, problems and helping other teams as necessary. These roles have been … created by team expansion and new client wins. Key Responsibilities: Manage and maintain Windows Server environments Be part of a 24/7 production environment of around 30 engineers in this team Support multiple systems or applications of medium to high complexity Manage Mail, DNS, FTP, IIS and Application environments Participate in the On-Call rotation Work with cabling More ❯

Mid-Level Windows Systems Administrator Windows Server, Active Directory, AWS EC2, VMware £40,000 - £45,000 Night Shift (10pm - 6am) + On Call Rota (Fully remote) Mid-Level Windows Systems Administrator required to join a leading international Software Business committed to delivering high-performance IT solutions. This is a large operation and will be working … within a 24/7 production environment with 85% of your time being Windows Server and 15% VMware. As a Mid-Level Windows Systems Administrator you will maintain and contribute to the ongoing reliability, performance and support of the infrastructure. This includes monitoring the operating environments, responding to incidents, problems and helping other teams as necessary. These … roles have been created by team expansion and new client wins. Key Responsibilities: Manage and maintain Windows Server environments Be part of a 24/7 production environment of around 30 engineers in this team Support multiple systems or applications of medium to high complexity Manage Mail, DNS, FTP, IIS and Application environments Participate in the On-Call rotation More ❯

Mid-Level Windows Systems Administrator Windows Server, Active Directory, AWS EC2, VMware £40,000 - £45,000 Night Shift (10pm - 6am) + On Call Rota (Fully remote) Mid-Level Windows Systems Administrator required to join a leading international Software Business committed to delivering high-performance IT solutions. This is a large operation and will be working … within a 24/7 production environment with 85% of your time being Windows Server and 15% VMware. As a Mid-Level Windows Systems Administrator you will maintain and contribute to the ongoing reliability, performance and support of the infrastructure. This includes monitoring the operating environments, responding to incidents, problems and helping other teams as necessary. These … roles have been created by team expansion and new client wins. Key Responsibilities: Manage and maintain Windows Server environments Be part of a 24/7 production environment of around 30 engineers in this team Support multiple systems or applications of medium to high complexity Manage Mail, DNS, FTP, IIS and Application environments Participate in the On-Call rotation More ❯

Windows Systems Administrator, Hampshire Client: Spectrum IT Recruitment Location: Hampshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 Job Description: Windows Systems Administrator 2 Days per week in the Southampton office We are seeking a Windows Systems Administrator to join a leading international software … business committed to delivering high-performance IT solutions. The role involves working within a large, 24/7 production environment, focusing 85% on Windows Server and 15% on VMware. The successful candidate will maintain and enhance the reliability, performance, and support of the infrastructure. Responsibilities include monitoring operating environments, responding to incidents and problems, and assisting other teams as … needed. These roles have been created due to team expansion and new client acquisitions. Key Responsibilities: Manage and maintain Windows Server environments Support a 24/7 production environment with around 30 engineers Support multiple systems or applications of medium to high complexity Manage Mail, DNS, FTP, IIS, and Application environments Participate in on-call rotation Perform cabling, racking More ❯

Job Title: Windows/Linux System Administrator Location: Dallas, TX 75201 (Remote) Duration: 12+ Months Rate: $50/Hour W2 and Visa Independent Candidates only - No Corp-to-Corp (C2C) Description: Seeking an experienced Windows/Linux System Administrator that will be working in a highly collaborative, multi-platform and multi disciplined environment. The System Administrator … administering systems in Azure and AWS Cloud Environments. The candidate will be responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Windows/Linux infrastructure in the cloud (Azure & AWS) environments. Duties include, but are not limited to, server management; storage management (logical and physical); cross platform authentication and access management … the cloud Overseeing cloud operations and designing infrastructure for new workloads Continuously improving and maturing cloud services Provide IT systems administration in a heterogeneous RedHat Enterprise Linux and Microsoft Windows environment. Working in both cloud (Azure & AWS) and on prem environments. Working as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems More ❯

The Classified Systems Administrator will demonstrate expert level hands-on knowledge of Windows Server, Active Directory and VMware vSphere while supporting the Laboratory's enterprise classified computing infrastructure. This position will be part of a team that is responsible for maintaining the team's Windows imaging platform as well as its Windows software deployment infrastructure. This … vSAN, NetApp, Cohesity Backup and/or RHEL will be given preference. Must Have: STIG Compliance Active Directory Administration and GPOs Virtualization Technologies (VMware, including ESXi and VCenter configuration) Windows 10 Windows 11 Windows Patch Management Windows server/workstation administration Windows Server Platform Security+ Certification (or ability to obtain within 6 months of hire More ❯

Job Title: Microsoft Windows System Administrator (Mid-Level) Work Location(s): COS Salary Range: $104,000 - $115,000 Shift/Work Hours: Daytime, M-F (after-hours work required for approved Maintenance Activities and event support) Minimum Basic Requirements: • Clearance: Secret • Must have one of the following combinations of education and experience: HS Diploma (or GED) and … of general experience. • Must have 2.5 years of experience in designing, integrating, or managing complex infrastructure solutions (e.g. VMware, Citrix, LAN/WAN design) • Must have experience as a Windows systems engineer/administrator supporting a large enterprise with knowledge of Active Directory, Window Server 2012R2/2016 and WSUS/SCCM Patch Management • Must have general networking … a current DoD 8570.01 IAT Level II Certification or higher Job Description: • Perform daily/weekly system health (battle-rhythm) checks on the FILAN (Facilities Infrastructure Local Area Network) • Windows and network infrastructure to ensure normal maintenance functions are performing properly. • View and respond (as appropriate) to events reflected in the various management and server patch management tools. • Attend More ❯

Mostly remote with occasional travel to London expected Job Type: Permanent About the Role & Client: My client, a leading UK based IT Services & Consulting organisation, are seeking an experienced Windows System to join their team on a permanent basis. Previous experience supporting automation within Windows Server & OS is essential. The successful candidate will initially be placed onto a … will apply hands-on skills in design and implementation of Automation and CI/CD based technologies. Key Responsibilities: Act as a Technical Automation Specialist within a globally operating Windows environment Administration of Windows Server & Operating Systems using YAML, Git, Ansible Tower, CI/CD Pipelines Deployment, implement, and maintain CI/CD pipelines (automation) Supporting automation within … Windows Server & Operating Systems using YAML, Git, Ansible Tower, CI/CD Pipelines Candidate Experience: In-depth knowledge of Windows Environments (Servers and OS) (Essential) Experience Administering: Windows Server & Operating Systems using YAML, Git, Ansible Tower, CI/CD Pipelines Hands-on experience with Automation and CI/CD technology, tools & products: e.g.Ansible/Ansible tower, Chef More ❯

SCADA Windows System Administrator II Who is Epsilon: Epsilon is an IT Services company that was founded in 2009 and has become an established leader in providing Information Technology services to both Federal Government and Commercial businesses across the United States. Epsilon is known for its solution-focused and innovative approach, aligning technology systems, tools, and processes with … Software maintenance and development, Network, Database, and Operations Support/Management, Supervisory Control and Data Acquisition (SCADA), Cyber-Security, Solution Architecture, and Project Management. An average day: As SCADA Windows System Administrator II , you will focus on the administration, maintenance, and support of Windows 10 & 11, and Windows Server 2016/2019 environments within a SCADA …/EMS real-time power operations system. This position will use their expertise in managing Windows-based infrastructure to ensure system reliability, security, and performance. In this position you will: Plan, coordinate, and execute the installation, testing, operation, and maintenance of Windows-based hardware and software systems within a SCADA/EMS environment. Plan and schedule the installation More ❯

customers. Our corporate values are transparent; being open and honest with each other. Come and join our dynamic team! JOB DESCRIPTION Seeking a highly motivated, talented and driven Systems Administrator (Windows/Linux) to work Onsite supporting enterprise IT for our War-fighter customer who upholds America's status as the "Land of the Free" every day, at … to include virtual machines and containers Perform routine maintenance and configuration changes to various physical and virtual hosts REQUIREMENTS 8+ years of experience Linux systems administration experience working with Windows Server 2016/2019, Active Directory, DNS, Hyper-V, Group Policy Objects (GPOs), VMware/vSphere, DISA STIGs, ACAS, SAN, Networking Install, configure and troubleshoot hardware and software issues … Provide networking support to on-premises infrastructure Understanding and familiarity of Linux OS and virtual networking Participate in project planning using Agile methodology REQUIRED CERTIFICATION(s) CompTIA Security+ CE Windows or Linux OS certification SECURITY CLEARANCE Active Secret Security Clearance with ability to obtain Top Secret EDUCATION Bachelor's Degree in Computer Science or related discipline; advanced degree preferred. More ❯

Windows Systems Administrator (IIS) Godalming/WFH to £50k Do you have a strong knowledge of Windows Server? You could be progressing your career in a hands-on role at a successful software house.As a Windows Systems Administrator you'll be an integral part of a small team responsible for the company's technical infrastructure. … You'll have a broad range of responsibilities focusing on configuration and management of Windows Server 2019 - 2022, Windows Server IIS, Active Directory and Hyper-V. You will collaborate with the Head of Technical Operations and software engineering teams to implement code, monitor performance, assist with security maintenance for ISO27001, develop the existing disaster recovery procedures, write environment … one week in four, providing 24/7 cover (you'll get an additional 7% of your base salary pro-rata). About you: You have experience as a Windows Systems Administrator, with a strong knowledge of Windows Server 2019-22 and Windows IIS You have a strong knowledge of backup, recovery and security You have More ❯

Systems Administrator (Windows PowerShell) Godalming/WFH to £50k Do you have a strong knowledge of Windows Server? You could be progressing your career in a hands-on role at a successful software house. As a Systems Administrator you'll be an integral part of a small team responsible for the company's technical infrastructure. You … ll have a broad range of responsibilities focusing on configuration and management of Windows Server 2019 - 2022, Windows Server IIS, Active Directory and Hyper-V. You will collaborate with the Head of Technical Operations and software engineering teams to implement code, monitor performance, assist with security maintenance for ISO27001, develop the existing disaster recovery procedures, write environment documentation … one week in four, providing 24/7 cover (you'll get an additional 7% of your base salary pro-rata). About you: You have experience as a Windows Systems Administrator, with a strong knowledge of Windows Server 2019-22 and ideally also Windows IIS You have a strong knowledge of backup, recovery and security More ❯

Job Type Full-time Description SSI is seeking a Windows System Administrator to support a team of administrators with standard Windows system administration duties at ERDC in Vicksburg, MS. Must work onsite each day. DUTIES AND RESPONSIBILITIES: Responsible for the configuration, maintenance, and installation of the supporting Windows infrastructure. Be part of a team that manages … maintains, and administers Windows desktops, Windows servers, as well as workgroup and desktop printers. Direct user support and interaction is required, daily Must be able to communicate and work well with users, other function support teams, management, and vendors. Work Data Assessment and Analysis Center (DAAC) clusters and workstations Requirements REQUIRED QUALIFICATIONS : Active Secret Clearance with ability to … Top Secret Clearance Must meet DoD 8570 requirements (Security+ certification) Bachelor's degree and/or 5+ years of System Administration experience. An understanding of managing, maintaining, and troubleshooting Windows Active Directory and networking technologies such as DNS, TCP/IP, IPv4, IPv6, DHCP, etc. Working knowledge of how to implement and troubleshoot in a LAN/WAN environment More ❯

of status to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Requirements Windows 10 Support (patching and troubleshooting) Active Directory and Group Policy (understanding of OU structures and creating policies) Windows Server Administration - knowledge of Windows Server Architecture, Installation, Services settings and configuration, and patching (looking for both Windows/Linux but can be stronger in one than the other). Experience on Information Assurance Vulnerability Alert (IAVA) Patching More ❯

Systems Administrator Location: Herndon, VA or Washington DC or Riverdale, MD Clearance Requirement: Top Secret/SCI with ability to pass a CI poly Certification: CompTIA Security+ ce Salary: 140k-160k w/excellent benefits Position Description: Operate and maintain a virtual system environment. Interact with developers and infrastructure support team to provide vendor application support. Support and develop … SOPs that provide policies and standards for sustainment of customer systems and resources. Experience with maintaining applications built on a SQL Server database in a Windows environment and to provide database administration. Operate and maintain all Production, Pre-Production, and Development systems in a Windows environment. Configure and install software on virtual systems in AWS and/or … VMware. Implement and monitor the Enterprise Windows Servers testing and installation of patches, updates, additional tools and future versions of all software on a regular basis. Meet compliance for Information Security Vulnerability Management (ISVMs) and Intelligence Community Vulnerability Alert (ICVAs) and provide support for DoD STIGS. Perform Systems Lifecycle management including planning, implementation, maintenance, upgrades, consolidation, and decommissioning of More ❯

in classified and unclassified areas as well as supporting the Little Mountain Test Facility. The selected candidate will be required to support installation, set-up and operational support with Windows systems and hardware interfaces. To be successful, the selected candidate must have an advanced understanding of Information Technology (IT) concepts and the ability to think independently and create solutions … computing service operations • Integrates security solutions into information systems Required Skills: • Active CompTIA Security+ certified (or similar certification meeting DoD Directive 8570.01 Certification Requirements) • 5+ years of experience with Windows Server and Desktop Operating Systems (Server , Windows 10-11) • 5+ years of experience designing & implementing Windows Systems • Experience troubleshooting operating system and installation problems Preferred Skills: • Bachelor More ❯

Job Purpose The Trusted Research Environment (TRE) Systems Administrator is a key member of the College of Medical, Veterinary & Life Sciences (MVLS) Service team responsible for providing and supporting the Unit's IT Infrastructure. The postholder will be primarily responsible for managing and maintaining the physical and virtual Linux and Windows Server core infrastructure and responsible for systems … administration, user support, and development. Main Duties and responsibilities 1. Perform daily operations and maintenance tasks for Windows and Linux systems supporting TRE in a secure enterprise environment, ensuring high availability and performance of research services and infrastructure. 2. Manage TRE server infrastructure including liaising with Vendor Support (e.g., Dell, Broadcom, DataVita, Vyatta), Network Connectivity (University Information Services/… 4. Contribute to the creation, maintenance, and refinement of procedural documentation for key operational tasks 5. Interpret and adhere to procedural documentation for executing operational tasks related to both Windows and Linux operating systems, ensuring consistency, compliance, and system reliability. 6. Install, test and verify operating system patches, ensuring systems remain compliant and up to date with security and More ❯