1 to 25 of 140 Senior Systems Administrator Jobs

Systems Administrator Senior (VMware) - TS/SCI required Transform technology into opportunity as a Systems Administrator Senior with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll … be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiator. As a Systems Administrator Senior you will help ensure today is safe and tomorrow is smarter. Our work depends on Systems Administrator Senior joining our team to support the US Army Intelligence and Security Command (INSCOM). HOW A SYSTEMS ADMINISTRATOR SENIOR WILL MAKE AN IMPACT Operate and sustain the on-going daily operational use of a VMware infrastructure More ❯

Senior IT Systems Administrator Apply locations: Abingdon Type: Full time Posted: Yesterday Job ID: JOB ID-12375 We have a great opportunity for an experienced Senior IT Systems Administrator to join our IT Teams based at our campus … in Abingdon, UK. Role: Senior IT Systems Administrator Job Type: Permanent Location: Dorothy Crowfoot Hodgkin Campus, Abingdon, UK Salary: Competitive salary plus excellent company benefits Hours: 40 hours per week, Monday to Friday About the Company: Aptuit is a member company of Evotec , a … on innovation and efficiency in drug discovery and development. For more information, visit . Main Scope of Role: The Senior IT Systems Administrator manages, maintains, and troubleshoots our Windows server infrastructure and application platforms, ensuring smooth deployment and operation of applications and operating systems. More ❯

Apex Systems is seeking an experienced Senior Systems Administrator to join our partner for a direct hire position in Huntsville, AL. Please see below for more details: Systems Administrator, Senior The Opportunity: Your combination of people skills … one problem after another. What if you could use those skills to improve the technology supporting law enforcement agencies? We're looking for a systems administrator who specializes in Windows to help us build solutions to help fight crime. As a systems administrator on … PowerShell, Python, SQL, or Java Experience with vulnerability, compliance, and mitigation for Linux Experience implementing, maintaining, troubleshooting, and automating large network backup processes and systems Top Secret clearance Bachelor's degree RHCSA or RHCE Certification Nice If You Have: Experience with DevOps AWS Certification More ❯

Senior Systems Administrator Business Affairs: University IT (UIT), Redwood City, California, United States New Information Technology Services 4 days ago Post Date 106372 Requisition # Employer: The Leland Stanford Jr University Position Title: Senior Systems Administrator Position Description … limited to support of the underlining VSphere infrastructure and underlining operating system language, network, storage and view administrator. Design, develop, install, and maintain operating systems, utilities, and applications software on computing systems. Architect, implement and maintain virtual infrastructure solutions based on VMware (VMVDI Technologies, VMware ESX Technology). Perform … the integrity of user data and systems. Design, configure, implement, and maintain system security strategies, policies, and procedures. Establish software/hardware standards and systems policies and procedures for business continuation and disaster recovery plan. Engage in long-term strategic planning with regard to systems development and integration. More ❯

Responsibilities & Qualifications RESPONSIBILITIES The Senior Tier 3 Systems Administrator is expected to be able to: Monitor the performance of servers, software and hardware; Configuration management which includes thorough documentation of all network/hardware changes; Receive reports of incidents via Help Desk phone system … requests; Provide technical support for both hardware and software issues our users encounter; Conduct daily project team debrief conference call; Diagnose and correct computer systems' issues; Provide purchase justifications and project benefit analysis; Perform daily and advanced management and administration of Hyper-V VMs via Microsoft System Center SCVMM … and feedback to agency management and internal customers for escalated tickets; 4+ years of hands-on experience with designing, building, and deploying complex storage systems involving SAN; Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA). Overview We are More ❯

Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local The Opportunity: CACI is seeking a Senior Linux Systems Administrator to provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems, manage IT system infrastructure and any processes related to these systems. The Senior Systems Administrator will Configure and manage primarily Windows … and some UNIX 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. Responsibilities: Provide the daily activities of configuration and operation of IT systems Provide assistance to users in More ❯

NewGen is seeking a Senior Systems Administrator with an active Top Secret to provide O&M support - installation, configuration, securing and hardening, testing, sustainment, upgrading, remediation, and decommissioning- to the activity's IT cross domain solution (CDS) which allows access to Multiple Independent Levels … of Security (MILS) and Operational Domains from a single workstation. This complex client-server solution requires the Senior Systems Administrator II to be knowledgeable and capable of administering a combination of Microsoft Windows and Linux based platforms. Additional duties and responsibilities include working alongside … a variety of major technology vendors including, but not limited to, Citrix, Esri, McAfee, Microsoft, Red Hat, and SolarWinds. The Senior Systems Administrator II shall support the mid-level internal escalation tier(s) for the Server O&M team providing troubleshooting support and guidance More ❯

Senior Systems Administrator MacDill AFB - Tampa, FL Ready to take your skills to the next level? Join RedSky, a technical consulting firm specializing in systems administration, IT governance and policy, program and project management, and cybersecurity operations. Best-in-Class Benefits and Perks … provide a collaborative, creative environment where everyone feels encouraged to contribute to our processes, decisions, planning, and culture. As a Senior Systems Administrator at RedSky, you will maintain and optimize the command server infrastructure to support our Department of Defense (DOD) customer. You will … manage hardware and software systems, ensuring they operate efficiently and securely. You will perform regular patching, troubleshoot complex technical issues, and collaborate with other IT teams to implement infrastructure solutions that meet command requirements. You will also provide technical leadership and mentorship to junior IT staff, helping to guide More ❯

Job Title: Senior Sysadmin/Ops Location: Oxford Road, Manchester Salary: £46,735 - £57,422 per annum depending on experience Job type: Full Time (1 FTE), Permanent. Closing date: 06/05/2025. The University of Manchester: The University is a global institution known for innovation … Systems engineering, Senior Network administrator, Senior Systems analyst, Senior System Ops, Senior IT Support Specialist, Senior IT Support, Senior IT Support Technician, Senior Systems Administrator, DevOps Engineer, Senior DevOps Engineer may also be considered. More ❯

Apex Systems is looking for a Senior Systems Administrator to support one of our government clients in Herndon, VA. Please note, this is a Permanent, Direct-Hire opportunity. Candidates must be US Citizens and able to obtain/maintain at minimum, a DoD … Clearance, per a condition of employment. If interested in this, please send resume to Tessa Moulds, Professional Recruiter, via Position: Senior Systems Administrator Location: Herndon, VA Terms: Permanent, Direct-Hire Pay Rate: $140,000 - $150,000 Job Description: • The Senior Software More ❯

Overview i3 is seeking a Senior Linux Systems Administrator to support an Army Contract. The Senior Linux Systems Administrator will provide technical expertise supporting information system components, infrastructure integration and maintenance to satisfy architectural and business requirements in … support of customer labs. The Senior Linux Systems Administrator must have a customer centric approach and provide all levels of support for the user base community. Candidates for this position must possess, at a minimum, a United States SECRET level security clearance. Responsibilities Provide … direct customer service and technical support to local and remote users as required via phone, e-mail, on-line systems, and in person. Work with teammates on an Agile project with a focus on providing a secure, versatile, efficient, reproduceable, and highly scalable computing environment. Maintain system configurations with More ❯

We have a great opportunity for an experienced Senior IT Systems Administrator to join our IT Teams based at our campus in Abingdon, UK. Role: Senior IT Systems Administrator Job Type: Permanent Location: Dorothy Crowfoot Hodgkin Campus, Abingdon … diseases, respiratory diseases, and fibrosis. For additional information, please visit and follow us on Main Scope of Role: The Senior IT Systems Administrator is responsible for managing, maintaining, and troubleshooting our expanding Windows server infrastructure and application platforms. They ensure the smooth deployment and … and troubleshooting of these environments and application platforms. Principal Responsibilities: Maintain and implement Microsoft Windows Server Environment components to ensure optimal performance. Provide IT systems support and operational services, ensuring the company's systems are performing correctly. Participate in project teams and drive core components to implement new 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 … 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 … initiatives, including planning, execution, inventory management, procurement, and developing Bills of Materials for budgetary quotes. Security & Compliance: - Identify, test, and resolve security vulnerabilities across systems, ensuring robust security protocols and compliance with NIST standards, emphasizing DoD STIGs - Collaborate with teams to design, develop, and recommend integrated system solutions that More ❯

Senior Systems Administrator - Linux/AWS - Hertford Joining this fast-paced infrastructure team the Senior Systems Administrator will oversee and maintain internal payments, local infrastructure, data centre and cloud deployments, day-today operations and networks and ensure optimal … ensure the seamless operation and availability of new and existing infrastructure Diagnose, troubleshoot and resolve software, hardware and networking issues across internal and client systems Maintain accurate and comprehensive documentation for system administration and procedural workflows Work collaboratively with the support, DevOps and Project teams to align with and … utilising change control and where required, version control best practices Key skills:- Previous experience supporting PCI/DSS environments or ISO27001 is ESSENTIAL Strong Systems Administration experience Strong Linux and Windows administration AWS LDAP & AD management Scripting (Bash, Python and PowerShell) Strong security experience in Firewall hardware and software More ❯

We are seeking an experienced Senior Systems Administrator - Server Operations Lead to support a mission-critical IT security program within a Federal Government environment. This role is responsible for leading server operations, system administration, and infrastructure management, ensuring the security, availability, and performance of … compliance with Federal IT policies. Responsibilities Server Operations & System Administration Oversee server infrastructure, ensuring optimal performance, reliability, and security. Plan, test, and implement information systems to support mission-critical operations. Manage hardware configuration and software application integration to meet system requirements. Maintain and administer Active Directory, Group Policy Objects … measures, encryption policies, and system hardening techniques. Maintain documentation of security configurations, system changes, and incident responses. Team Leadership & Training Lead and mentor system administrator team, fostering a culture of technical excellence and collaboration. Provide training on server administration, security best practices, and IT operational procedures. Assign and More ❯

The Boeing Company's Information Technology and Data Analytics (IT&DA) organization Specialized Infrastructure Operations group is currently seeking a Senior Systems Administrator to join the team in Herndon, VA. At Boeing, we deliver complex solutions in challenging environments, supporting our Mission Operations Portfolio … equity, and inclusion. Our welcoming environment fosters professional growth and meaningful contributions, from the seabed to outer space. The Senior System Administrator will handle system administration tasks, including infrastructure management, information security, software installation, and configuration control. This role involves creating innovative solutions to technical … challenges, providing system support with modern tools, and overseeing the design and performance of computing systems for effective capacity planning and disaster recovery. Position Responsibilities: Oversees system integration, hardware and software installation, configuration and disposition of servers and workstations to support the architecture Provides complex problem resolution, root cause More ❯

Job#: Job Description: Apex Systems is seeking a TS/SCI cleared Senior Systems Administrator to join our client for a full-time, direct-hire position at Ft. Belvoir, VA. Please see below for more details! Overview: Job Title: Sr Systems Administrator … an enterprise network that consists of VMWare vSphere, Microsoft Windows Servers, Microsoft SQL Databases, network infrastructure (switches and firewalls), and Lenel OnGuard Enterprise. The Systems Administrator 4 will be responsible for maintaining the environment to ensure that the infrastructure meets Service Level Agreement (SLA's) for Recovery … RPO) and Recovery Time Objective (RTO) as well as ensuring a positive customer experience with the infrastructure. In order to ensure success as a Systems Administrator 4, candidates should posses strong foundational skills in VMWare, Microsoft Windows, SQL Databases, and network infrastructure, as well as be able More ❯

by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data. Description The Senior Systems Administrator will provide critical support for the NITES Next ISEA at NIWC Pacific in San Diego, CA by maintaining and managing multiple … access controls across multiple security domains Monitoring system performance and troubleshoot issues to ensure high availability Ensuring compliance with ATCs and ATOs for all systems and networks Implementing and maintaining cybersecurity best practices and compliance requirements Performing regular system updates, patches, and backups Assisting with disaster recovery planning and … users and collaborate with other team members Documenting system configurations, procedures, and troubleshooting steps Staying updated on new technologies, tools, and best practices in systems administration Environment: The Systems Administrator will work on a military base supporting a military team. The role requires adherence to military More ❯

Senior Systems Administrator - Apexlogic Location: On-site requirements within Northern Virginia. Security Clearance: Active CI Poly required Employment Type: Full-time About Us: Apexlogic is a fast-growing Managed Services company dedicated to building cutting-edge, secure, and scalable IT infrastructure for the Intelligence … a problem-solving mindset-this is not a "butts in seats" work environment or role. We are looking for a Senior Systems Administrator who thrives in a startup-like environment, takes ownership of challenges, and proactively finds solutions. The ideal candidate is not just … technically proficient but highly motivated, intellectually curious, and invested in the success of our mission. Key Responsibilities: Systems Administration & Virtualization Maintain and optimize Windows Server environments, Active Directory, and Group Policy Objects (GPOs). Manage VMware infrastructure (vSphere, Horizon, VDI). Implement Multi-Factor Authentication (MFA) solutions. Network Administration More ❯

Job Title: Senior Systems Administrator Location: Quantico, VA Pay: $110-130k Company Summary: Our client is a proven leader in information technology, innovative strategic technical planning, and program management offering a professional level of expertise to their partners. Having been around for over … industry. Position Summary: This Position requires the following specific technical and professional background: The ideal candidate will have a 5 years' experience working within Systems Administration or Helpdesk. An active DoD clearance is also required. Job Responsibilities: Works on virtualized environments, managing SANs/NAS devices, desktop services, and … a variety of technologies supporting computing capabilities Participates in complex operating systems, systems software planning and implementation, and production support activities Interfaces with Contractor and Government personnel, confers with equipment and software vendors The ideal candidate will possess the following: Active DoD Secret clearance 5 years of experience More ❯

builds morale conducive to inspiring growth on our team, while balancing lifestyle by supporting personal and family goals with flexibility. We offer secure network systems and software engineering solutions in both the public and private sectors. With certified experts consulting the team, we are able to address the customer … s mission and follow-through in the systems development life cycle. Clearance Required: TS/SCI with poly Title: Senior HPC Systems Administrator IV Location: Annapolis Junction, MD Salary Range: $180-210K Description: The Senior HPC Systems Administrator … with Tulzi Technologies, LLC will play a critical role in the health and status of the entire IT infrastructure utilizing UNIX and NT based systems, Installing and configuring hardware, OSes and commercial software packages. Requirements Bachelor's Degree in Computer Science, or related field and (10) years of demonstrable 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 … 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 ITIL framework and service desk environments Experience in the public sector or higher More ❯

Join our team and discover why we are a top veteran employer and Certified Great Place to Work Position: Senior System Administrator, Tier-3 Level Support Services. Location: San Antonio, TX (On-Site.) Clearance: U.S. Citizen with ability to obtain a Public Trust. Summary: This … Telework may be considered on a position-by-position bases with approval by the customer. We are currently seeking a Senior Systems Administrator - Tier-3 Level to support upcoming work located in San Antonio, TX. Responsibilities: Expert-level knowledge or significant hands-on experience … with Government Customer and DoD regulations and policies; support deployment and maintenance approved data encryption solutions. Manage and monitor Data Encryption services to ensure systems and all supported devices are updated; create, deploy, upgrade, and install data encryption client packages, files, and policies in accordance to maintenance window policies. More ❯

The Senior System Administrator will support the software engineering environment (SE2) in a position that encompasses a blend of traditional system administration responsibilities along with a strong emphasis on DevSecOps practices and Agile methodologies. This is a pivotal role in ensuring the stability, security, and … efficiency of our systems while actively contributing to the development and deployment of our software products. There is an expectation not just to have impeccable communication skills, but to readily collaborate with technical colleagues on the same team and on cross-team interactions. There is also a requirement to … be able to breakdown verbally communicated needs into actionable and documented technical requirements. It can be expected that the Senior Systems Administrator will be asked to analyze current technologies and recommend cutting edge solutions to fulfill current and future requirements. In this position the More ❯

Overview SR. SYSTEMS ADMINISTRATOR (BAMCIT): Bowhead seeks a Sr. Systems Administrator to support the Geographic Service Providers (GSP) Brooke Army Medical Center (BAMC) IT Support Services directorate located in San Antonio, TX. The Military Medical Treatment Facilities (MTFs) IT (Information Technology) division supports the … continued management and administration of DHA systems, applications, networks, cybersecurity, and telecommunications services for the PEO MS/J-6 through contractor staff augmentation. The Sr. Systems Administrator is tasked with improving IT practices and mechanisms with consistent support to end users without degradation to local … available, and reliable IT services. Demonstrate advanced knowledge and experience in the enterprise level design and deployment of technologies such as Windows Server Operating Systems (2016,2019, 2022), Storage Area Networks (SAN), VMware vSphere, Citrix Virtual Apps and Desktops, Citrix XenServer, Internet Information Services (IIS), Microsoft SQL Server, Microsoft More ❯