OS AdministratorWindows Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US The Opportunity: CACI is looking for an Operating Systems (OS) AdministratorWindows to support the Department of the Air Force (DAF) Enterprise IT as … a Service (EITaaS) program. The ideal candidate will provide Windows OS Subject Matter Expertise and be responsible for administration, maintenance, and sustainment for the SIPR solution on capabilities associated to the Windows Operating System while conducting performance checks. Additionally, the candidate will perform troubleshooting support for application teams as required. On the EITaaS program, CACI will deliver enhanced … field support and life cycle support for end-user devices to enable the DAF to transition focus from IT operations to mission operations. Responsibilities: The candidate will be a Windows OS subject matter expert who will configure, manage, and troubleshoot OS issues ensure the proper security controls are in place. The ideal candidate will be a Windows OS More ❯
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 ❯
Linux/Windows Systems Administrator Experience: 4 Years Education Bachelors in IT. 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. … 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 ❯
Join our team as a Windows Systems Analyst, where you will play a vital role in supporting the intelligence community by managing and maintaining a diverse range of workstations and servers. We're looking for personnel with solid expertise in Windows administration, a strong dedication to supporting national security, and a team-oriented mindset ready to excel in … a dynamic, mission-critical environment. This position is fully-onsite. Responsibilities Securely deploy and manage Windows workstations and servers. Administer local and remote filesystems efficiently. Troubleshoot system issues independently and as part of a team. Automate tasks using shell scripting, PowerShell and Python. Manage security features, including firewalls and BitLocker. Work with SCCM and/or Ansible for system … years of related experience, or equivalent experience Bachelor's degree or higher in related field with 5 to 8 years of related experience, or equivalent experience Strong experience with Windows system administration. Ability to troubleshoot and resolve hardware and software issues. Knowledge of security best practices for Windows environments. Strong analytical and critical thinking skills. Ability to work 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 AdministratorWindows System Administrator Working knowledge of Hyper-V or Vmware Proficiency in working with AWS More ❯
Zachary Piper Solutions is seeking a Senior Systems Administrator (Linux/Windows) to join a Government Consulting company located in Annapolis Junction, MD; Fairfax, VA; El Segundo, CA; or Tukwila, WA through a 100% on-site work environment. The Senior Systems Administrator will support a mission-critical, multi-site IT infrastructure for a classified customer, focusing on … secure system administration, patching, virtualization, and application support across Linux and Windows environments. Responsibilities: Deploy, configure, and maintain Linux and Windows systems in secure lab environments. Perform system patching, vulnerability scanning (e.g., Tenable), and remediation. Support application integration, development, and troubleshooting across virtualized environments. Manage system transitions, including VM provisioning and application deployment. Ensure compliance with RMF/… Tier II support and escalate issues as needed. Qualifications: 9+ years of experience in IT systems administration within classified or lab/test environments. Proficiency in Linux (RHEL) and Windows Server/Desktop administration: ability to stand up servers independently. Experience with VMware, Active Directory, GPOs, and scripting (PowerShell/Bash). Familiarity with patch management, Tenable scans, and More ❯
Zachary Piper Solutions is seeking a Senior Systems Administrator (Linux/Windows) to join a Government Consulting company located in Annapolis Junction, MD; Fairfax, VA; El Segundo, CA; or Tukwila, WA through a 100% on-site work environment. The Senior Systems Administrator will support a mission-critical, multi-site IT infrastructure for a classified customer, focusing on … secure system administration, patching, virtualization, and application support across Linux and Windows environments. Responsibilities: Deploy, configure, and maintain Linux and Windows systems in secure lab environments. Perform system patching, vulnerability scanning (e.g., Tenable), and remediation. Support application integration, development, and troubleshooting across virtualized environments. Manage system transitions, including VM provisioning and application deployment. Ensure compliance with RMF/… Tier II support and escalate issues as needed. Qualifications: 9+ years of experience in IT systems administration within classified or lab/test environments. Proficiency in Linux (RHEL) and Windows Server/Desktop administration: ability to stand up servers independently. Experience with VMware, Active Directory, GPOs, and scripting (PowerShell/Bash). Familiarity with patch management, Tenable scans, and More ❯
Job Number: R Windows System Administrator The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big picture thi nk ing to make an impact in Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into … te chn ical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System Administrator to join our team. The ideal candidate will have extensive experience with Windows servers and Desktops, along with experience managing Windows and automation. This role involves managing and maintaining our IT … remote access system. Join our team and help turn requirements into accomplishments that drive change. Join us. The world can't wait. You Have: 2+ years of experience with Windows Server OS, VMware, vSphere 8, Active Directory Domain Services, and Group Policy 2+ years of experience with Server Management 2+ years of experience with managing Windows, including server More ❯
Job Number: R Windows System Administrator The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big picture thi nk ing to make an impact in Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into … te chn ical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System Administrator to join our team. The ideal candidate will have extensive experience with Windows servers and Desktops, along with experience managing Windows and automation. This role involves managing and maintaining our IT … remote access system. Join our team and help turn requirements into accomplishments that drive change. Join us. The world can't wait. You Have: 2+ years of experience with Windows Server OS 2022, VMware, vSphere 8, Active Directory Domain Services, and Group Policy 2+ years of experience with Server Management 2+ years of experience managing Windows, including server More ❯
Windows Systems AdministratorWindows Server, VMware, Active Directory, AWS EC2 £50,000 - £60,000 2 Days per week in the Southampton office 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 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, racking and other tasks in More ❯
Windows Systems AdministratorWindows Server, VMware, Active Directory, AWS EC2 £50,000 - £60,000 2 Days per week in the Southampton office 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 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, racking and other tasks in More ❯
Windows Systems AdministratorWindows Server, VMware, Active Directory, AWS EC2 £50,000 - £60,000 2 Days per week in the Southampton office 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 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, racking and other tasks in More ❯
Windows Systems AdministratorWindows Server, Active Directory, AWS EC2, VMware £45,000 - £60,000 Night Shift (10pm - 6am) + On Call Rota (Fully remote) 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/… production environment with 85% of your time being Windows Server and 15% VMware. As a 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, racking and other tasks More ❯
Northampton, Northamptonshire, United Kingdom Hybrid / WFH Options
Spectrum IT Recruitment
Mid-Level Windows Systems AdministratorWindows 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 ❯
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 ❯
Position Title: Microsoft Windows System Administrator Location: Schriever Space Force Base, Colorado Springs, CO Relocation Assistance: None available at this time Remote/Telework: No - Not available for this position Clearance Required: Active DoD Secret Security Clearance Work Schedule: Day shift - May require on-call support and occasional off-hours work for maintenance or incident response Travel: Up … to 10% of the time Position Summary: Aegis Aerospace is currently seeking a Microsoft Windows System Administrator to join our team supporting the Missile Defense Agency (MDA) at Schriever Space Force Base in Colorado Springs, Colorado. Key Responsibilities: The candidate will: Perform daily and weekly system health checks on the FILAN (Facilities Infrastructure Local Area Network) Windows … Security Clearance Must have 2 or more years of experience 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, including knowledge of Active Directory, Windows Server 2012R2/2016, and WSUS/SCCM Patch Management Must have general 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 ❯
Microsoft Windows System Administrator Schriever Space Force Base Colorado Springs, CO HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide. HX5 is currently seeking a qualified Microsoft … Windows System Administrator to support the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract at Schriever Space Force Base in Colorado Springs, CO. Essential Duties and Responsibilities: Perform daily/weekly system health (battle-rhythm) checks on the FILAN (Facilities Infrastructure Local Area Network) Windows and network infrastructure to ensure … Experience: Must have 2, or more, 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 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 ❯
Annapolis Junction, Maryland, United States Hybrid / WFH Options
Northrop Grumman
leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career. Northrop Grumman Mission Systems is seeking a Windows Systems Administrator to join its Classified Solutions team in Annapolis Junction, MD. Please note that the selected candidate will be required to work on-site, full-time, at … support to users experiencing technical issues with hardware, software, and network systems. Create, modify, and delete user accounts to include password resets and RSA token pin recovery. Manage systems administrator credential services such as TPAM. Diagnose and resolve technical problems, guiding users through step-by-step solutions. Log and track all support requests in the helpdesk system, ensuring timely … of continued employment. Current Security+ CE or equivalent certification; the certification must be maintained as a condition of continued employment. Experience supporting large user populations in a secure environment. Windows Operating Systems support experience. Windows Workstation and Server management experience. Experience with the following: WSUS, Group Policy, and Symantec. The ability to lift 40 pounds. Preferred Qualifications: Current 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 ❯
DCS Corp is seeking an experienced Microsoft Windows Server Administrator to support one of our Prime contracts with the US Air Force. Essential Job Functions: In this role, you will be the lead administrator for the enterprise's Windows Server and Windows desktop client environments. Required Skills: Due to the sensitivity of customer related requirements … associated with this opportunity category. Candidates with advanced degrees or varied levels of experience may be considered for alternative classification.) Current Security+, or CISM/CISSP certification; with additional Windows certifications. Experience building, securing, and maintaining the security posture of current Windows-based desktops and servers to DOD requirements (including implementing and maintaining DISA STIG compliance), administrating/… managing Windows Server services such as Active Directory, DNS, and DHCP. Experience using Nessus (ACAS) vulnerability scanner to assess and then remediate the IA posture of the computing environment. Experience with enterprise virtualization using VMWare for deployment and administration. Experience diagnosing and remediating Windows desktop/server and end user issues. Experience with general Windows backup and More ❯
Overview Abacus Technology is seeking a Systems Administrator to provide Windows server support for the Air Force Intranet Control (AFINC) III Support program at Lackland AFB. This is a full-time position. Responsibilities Create and manage capacity and trending reports of system operations. Analyze system requirements and performance of hardware/software systems, and develops/recommends specific … measures to increase the overall efficiency of these systems. Perform day to day troubleshooting and maintenance of Microsoft Windows Server and related servers. Perform annual DISA STIGs compliance checks on all servers and installed software. Qualifications 5+ years experience in systems administration. HS diploma or GED. Must be Security+ certified. Must hold one of the following certifications: Microsoft Certified … Azure Security Engineer Associate, Microsoft Certified: Identity and Access Administrator Associate, or Microsoft Certified: Windows Server Hybrid Administrator Associate (Server Admin). Experience installing, testing, tuning, maintaining, hardening, upgrading, patching, designing and documenting supporting systems, utility programs, and monitoring tools for physical and virtual Microsoft Windows Servers on both classified and unclassified networks. Experience with system More ❯