1 to 25 of 44 Senior Systems Administrator Jobs

Senior Systems Administrator (AWS Azure) London/WFH to £130k Are you a technologist with a wide range of skills and experience? You could be progressing your career on the Asset Management side of a global Japanese bank as they expand this product offering within the UK. As a Senior Systems … of tools and technologies. Location/WFH: You'll be based in impressive London based offices, onsite Monday to Friday 0800-1700. About you: You are an experience Systems Administrator/DevOps You have a strong knowledge of AWS and/or Azure cloud platforms You have Windows (or Linux) Operating System experience You have experience … have Python, PowerShell or bash scripting skills and automation experience You're collaborative with great communication skills What's in it for you: As a Senior Systems Administrator you will earn a competitive package including: Salary to £130k + bonus Pension Career advancement Apply now to find out more about this Senior More ❯

Job Title: Senior System Administrator II Generalist - TOP SECRET WITH SCI CLEARANCE REQUIRED Location: Springfield, VA - On-site Requirement Pay: $125,000 - 150,000 W2 negotiable based on experience - NO C2C/Visa Clearance: Active TS/SCI We are hiring a Senior Systems Administrator II Generalist - active TS … to be onsite. The position requires an active Top Secret/SCI clearance and the ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports the information technology (IT) Operations and Maintenance (O&M) server team by managing enterprise-level, high performance, highly available server technology solutions (systems … -level executives. The position shall meet the minimum credential requirements for a Cyber IT/Cybersecurity Workforce (CSWF) position as defined in Section 6, Table 3. System Administrator (451); Intermediate Level for SECNAV M-5239.2 compliance. (See Navy Cool WebSite). Education: Bachelor's degree from an accredited University; or one of the following Certifications: CompTIA More ❯

Riptide Technology has a great opportunity for a Senior Systems Administrator II - Generalist to support our government customer based in Springfield, VA. This position is required to be onsite. This position will require U.S. citizenship and an active DoD TS/SCI clearance, with a CI Poly preferred. The ability to obtain a CI … poly is required. This position is required to be onsite. The Senior Systems Administrator II supports the information technology (IT) Operations and Maintenance (O&M) server team by managing enterprise-level, high performance, highly available server technology solutions (systems, applications, and services). Responsibilities: The Senior Systems Administrator … -level executives. The position shall meet the minimum credential requirements for a Cyber IT/Cybersecurity Workforce (CSWF) position as defined in Section 6, Table 3. System Administrator (451); Intermediate Level for SECNAV M-5239.2 compliance. (See Navy Cool WebSite). Required Education OR Certifications: Education: Bachelor's degree from an accredited University; or Certifications: CompTIA 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 IT O&M Server team members to provide O&M support to existing server-based solutions which across 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 to assess and remediate challenges primarily in the CDS domain. Experience Required More ❯

Senior Systems Administrator II Generalist - Must Have Active TS/SCI Clearance Springfield, Virginia Full-Time On-site J oi n Synerte x to support critical IT operations with your expertis e in enterprise server technologies. We'r e seeking a Senior Systems Administrator II Generalist to maintai … n secure, high-performance, and highly availabl e IT systems for our government custome r . If you excel in a mission-driven, fast-paced environment, this role is for you. RESPONSIBILITIES Configure, troubleshoot, and maintain Windows, Linux, and Citrix server environments Administer and monitor cross-domain solutions (CDS) for secure data access and transfer Develop automated scripts and … with eligibility for a p olygraph Certification: CompTIA Security+ ce , GIAC Security Essentials (GSEC), or Systems Security Certified Practitioner (SSCP) Meets Cyber IT/Cybersecurity Workforce (CSWF) System Administrator (451) Intermediate Level requirements PREFERRED QUALIFICATIONS Experience with IT technologies such as Cisco, Nutanix, VMware, Splunk, Trellix , Ivanti, ACAS, or Rapid7 Knowledge of ServiceNow functionality and integration Understanding More ❯

As a Senior Systems Administrator, the individual will be responsible for configuring, maintaining, and operating computer systems and servers. In this role, the Systems Administrator will install hardware and software and participate in research and development.? In addition, the individual must work proactively to perform the duties necessary to mitigate … by responding to outages and promptly resolving problems. (This role requires on-site 5 days a week in Quantico, VA) Responsibilities: Engaged in the operation and support of computer systems and peripherals for a large-scale government operation providing information technology common services to multiple agency tenant organizations 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 Writes, edits, and prepares graphical presentations of technical information Performs other tasks as required by OSC, and the Government contacting office Required Qualifications/ More ❯

Senior Systems Administrator | VMware Expert 📍 UK | 💻 Remote | 🕒 Full-Time We’re looking for a highly experienced Senior Systems Administrator to take the lead on managing and optimising our IT infrastructure — with a strong focus on VMware , automation, and enterprise-grade system performance. What You’ll Be Doing Administer … and monitor enterprise systems, ensuring high availability Lead and manage a VMware virtualised environment : upgrades, provisioning, and performance tuning Automate infrastructure using tools like Ansible , PowerShell, or Bash Implement robust backup and disaster recovery strategies Enforce security measures, conduct audits, and ensure compliance Troubleshoot complex system issues and support continuous improvement Document system configurations and generate performance reports What … You’ll Bring 6+ years in systems administration or infrastructure engineering Expert-level VMware experience (upgrade, provisioning, tuning) Strong skills in Ansible and other automation/scripting tools Solid Linux/Windows OS knowledge Experience with Red Hat Satellite and patching infrastructure Excellent problem-solving and communication skills Relevant certifications (VCP, MCSA, RHCE, etc.) are a plus What We More ❯

Senior Systems Administrator | VMware Expert 📍 UK | 💻 Remote | 🕒 Full-Time We’re looking for a highly experienced Senior Systems Administrator to take the lead on managing and optimising our IT infrastructure — with a strong focus on VMware , automation, and enterprise-grade system performance. What You’ll Be Doing Administer … and monitor enterprise systems, ensuring high availability Lead and manage a VMware virtualised environment : upgrades, provisioning, and performance tuning Automate infrastructure using tools like Ansible , PowerShell, or Bash Implement robust backup and disaster recovery strategies Enforce security measures, conduct audits, and ensure compliance Troubleshoot complex system issues and support continuous improvement Document system configurations and generate performance reports What … You’ll Bring 6+ years in systems administration or infrastructure engineering Expert-level VMware experience (upgrade, provisioning, tuning) Strong skills in Ansible and other automation/scripting tools Solid Linux/Windows OS knowledge Experience with Red Hat Satellite and patching infrastructure Excellent problem-solving and communication skills Relevant certifications (VCP, MCSA, RHCE, etc.) are a plus What We 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 twenty years our client provides the resources necessary for their … career goals in the IT 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 within Systems Adminisration Anistar PAYS YOU for referrals If you know any qualified job More ❯

positive rates, and lowest customer intervention in the industry. We stop fraud, not customers. See what others can't at What you'll achieve: The Senior Systems Administrator will be responsible for overseeing the functionality of our computer systems, ensuring that all software and hardware components work properly to accomplish system objectives. This … system performance to ensure optimal operation and address any issues proactively. Ensure the reliability, availability, and performance of IT infrastructure. Software and Hardware Management Install, configure, and maintain operating systems, software applications, and hardware components. Ensure all software and hardware components are updated and functioning properly. Manage software licenses and hardware inventory. Security and Compliance Implement and manage security … Requirements Bachelor's degree in Computer Science, Information Technology, or a related field. 6+ years of experience in system administration or a related role. In-depth knowledge of operating systems (Windows, Linux) and network administration. VMware Expert: VMware Upgrades: In-depth knowledge of VMware platform upgrades and ensuring compatibility across the environment. VMware Provisioning: Skilled in provisioning new virtual More ❯

a brand new commodities trading business backed by a global investment enterprise and are looking to grow their existing IT function by bringing in a Senior Systems Administrator to support the organisation. In this role you will be expected to contribute to the building and continued maintenance of the organisations IT Infrastructure. Possessing a … you will be an expert in AWS and contribute to shaping the technology landscape of the business. In order to succeed in this role, you will be a skilled Systems Administrator with experience of working in a Trading or comparable Financial Services environment. You will have excellent knowledge of AWS, working with open source systems and 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 … 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 candidate will also participate … networks, and storage systems. • Understanding of Microsoft server infrastructure, virtualization, and networking principles. • Proficient in GitLab runners, including expertise in runner installation, registration, and configuring executors on various operating systems (Windows and Linux), as well as pipeline configuration. • Proven experience with Git, including using commands, branching, and merging, working with local and remote repositories, and effectively collaborating on version More ❯

that is united by a set of core values: commitment, integrity, and perseverance. Join our team and help us confront today's most threatening and complex obstacles! Cambridge International Systems, Inc. has a full-time Senior Systems Administrator opportunity available based in McLean, VA. Qualified candidates for this job must possess a current … DoD TS/SCI full scope w/poly security clearance. ROLE RESPONSIBILTIES • Maintains smooth operation of multi-user computer systems, including coordination with network engineers. • Monitors and manages system resources, including CPU usage, disk usage, and response times to maintain operating efficiency. • Performs systems security administration functions, including creating user profiles and accounts. • Other duties may include … Contact for the site • Maintain special programs equipment to provide near real time support to specialized customer • Develop and build highly redundant and available REFS storage on JBOD storage systems exceeding 7 PetaBytes • Manage large private library of controlled and classified data to be supplied in proper fashion to customers ensuring data is securely transferred via Tableau write-blocking More ❯

defense industry and pioneer new technological advancements to safeguard our country. Are you ready to Innovate, Explore, and Protect? Our team is looking for a Senior Systems Administrator to join our team in Albuquerque, NM working with Space Systems Command with a background in configuring, maintaining, and troubleshooting cross-domain systems. The successful … locations and various end users. The position requires participation in an on-call rotation. Responsibilities: Perform high-level, day-to-day operational maintenance, support, and upgrades for complex operating systems, workstations and servers. Oversee the execution of security measures called out in the security plan to include timely scans of network resources and software patches. Provide effective provisioning, installation … server health, resources and log management of Linux and Windows systems. Troubleshoot and perform root cause analysis. This includes troubleshooting any and all issues with system configurations, backups, files systems, and user access. Support RHEL platforms hosting applications, operations and sustainment systems, and ACAS and other security tools. Interface with network engineers, systems engineers, and subject matter More ❯

About This Job GoldenTech, a leader in Air and Space Force Solutions, has an opening at Hill Air Force Base, Utah, for a Senior Systems Administrator with emphasis on Primavera Experience. This role is part of our Information Services team, contributing to our mission of Strategic Deterrence by driving continual improvement and innovation. Key … functionality, ensuring security configurations, and removing software from networks as needed Training team members in business practices and documenting Standard Operating Procedures (SOPs) Performing software version upgrades and providing systems administration for Windows servers (2016 and 2019) and workstations Designing, installing, configuring, and troubleshooting Microsoft Active Directory Implementing and testing software patches and security fixes; configuring and hardening new More ❯

We are seeking a highly skilled and experienced Senior Systems Administrator to join our IT team. The ideal candidate will be responsible for managing, maintaining, and improving the organization's IT infrastructure, ensuring optimal performance, security, and reliability. This role involves collaborating with cross-functional teams, troubleshooting complex system issues, and implementing best practices … guidance and mentorship to junior IT staff. Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems Manage the daily activities of configuration and operation of IT systems Provide assistance to users in accessing and using IT systems Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems (U) Provide … support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provide support for the escalation and communication of status to agency management and internal customers Optimize system operations and resource utilization, and perform system capacity analysis and planning Provide in-depth More ❯

an organisation with a long-established reputation for providing the highest standards of products and service provision to a worldwide client base. The role - Senior IT Systems Administrator You will have a varied and challenging role supporting all stakeholder groups within a busy manufacturing environment and will be responsible for ensuring robust, secure, and … efficient IT systems are effectively maintained across manufacturing, warehousing and office functions. Your broad range of duties and responsibilities will include; Ensuring all IT systems and infrastructure are effectively developed and maintained to meet all organisational and operational requirements Manage and maintain all IT infrastructure across companywide manufacturing sites, including servers, industrial PCs and networked production equipment Support … ERP integrations Ensure high availability of systems supporting production lines, including real-time monitoring and rapid incident response Implement and manage highly effective cybersecurity measures across all IT and associated equipment infrastructure Lead system upgrades and patching with minimal disruption to production schedules Collaborate with engineering and operations teams to align IT systems with lean manufacturing goals Maintain More ❯

Golden Tech Systems inc SR SYSTEMS ADMINISTRATOR Position Description: Certified Microsoft systems administrator with strong experience managing distributed infrastructures and data center operations composed of Windows platforms. Ability to plan, configure, install, and optimize information technology (IT) infrastructures to optimize performance and maintain high service availability. The successful candidate will be responsible for … Clearance based upon a SSBI • IAT Level II certification in accordance with DoDD 8140.01 "Cyberspace Workforce Management" (or achieve within six months of TOA) prefer CompTIA Security+ • Microsoft Certified Systems Engineer (MCSE), or Azure, or Office 365 Administration related certification Minimum Education Required: Bachelor's degree in computer science, computer programing, computer engineering, or a related discipline is required … Position Requirements: • Ten (10) years cross-platform experience in systems administration including analyzing, installing and maintaining hardware, software, peripherals and networks • Seven (7) years of hands-on end point (i.e., client and mobile) troubleshooting and problem solving • Five (5) years of Microsoft Server (i.e., Active Directory, DNS, Exchange, SharePoint, Teams) troubleshooting and problem solving experience • Three (3) years of More ❯

Move Forward with Volt Volt is immediately hiring for a Senior Linux Systems Administrator in Aurora, CO. You will be supporting a client's program in a classified environment as a Linux System Administrator. Responsibilities include building, maintaining, and securing Information Technology systems and directly supporting customer mission-critical capabilities. You will work … higher). IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND. Experience administering Red Hat Linux based systems with minimal support, to include patching, creating/maintaining RPM packages, performance tuning, networking, user management (LDAP), and security hardening Qualifications We Prefer Using and developing with automation tools …/frameworks such as Terraform, Ansible, and Chef as well as scripting - particularly in Bash and Python Experience administering Windows based systems Experience with pipeline tools such as Jenkins and Artifactory Demonstrated ability to work independently and troubleshoot problems with efficiency Deployment and administration of systems in Amazon Webservices (AWS) Pay Rate: Pay range offered to a successful More ❯

you the team hero, solving 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 our project, you'll ensure More ❯

least fifteen (15) years of direct/relevant experience. Bachelor's degree in a technical discipline from an accredited college or university is required. Five (05) years of additional Systems Administration experience on projects with similar processes may be substituted for a bachelor's degree. Security+ Certification. Provide support for implementation, troubleshooting and maintenance of IT systems. Provide Tier … assistance to users in accessing and using IT systems. Provide Tier I (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provide support for the escalation … for escalated tickets. Provide support for the dispatch system and hardware problems and remains involved in the resolution process. Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance. In addition More ❯

Your Mission: As a Linux Information Systems Administrator, your responsibilities will include: • Technical Support: Provide expert assistance to users in resolving technical issues with applications, connectivity, and other IT-related concerns. • Cybersecurity Expertise: Conduct environmental vulnerability scans, remediate vulnerabilities, and perform system hardening to ensure the security of our systems. • Root Cause Analysis: Perform in-depth analysis More ❯

Sr. Microsoft Systems Administrator (Sys Admin) Must be able to obtain a Public Trust Location: Washington, DC/Hybrid Shift: • Two days per week onsite requirement at DOT HQ, Washington DC. • Once every 23 months support existing server infrastructure in a 24x7 on call escalation capacity as part of a team rotation. Experience: Must have a minimum … of 10 years of experience administrating and managing servers and systems, cloud infrastructure, file and print environments, specializing in Windows operating systems. Must have advanced knowledge of Microsoft Active Directory and SQL Server. Must possess a Microsoft Certified Solutions Expert (MCSE) - Server Infrastructure or equivalent. Duties: Responsible for the day-to-day management of the Windows Server infrastructure, to … design, implementation, and integration with Windows Active Directory, MS ADFS, and Domain Controllers. The candidate will be working with a team of server engineers to troubleshoot issues for multiple systems in multiple datacenter locations. The candidate will provide support, implementation, and design services for Windows-based systems across the enterprise. The candidate will be responsible for resolving and More ❯

Zachary Piper Solutions is seeking a Systems Administrator to support a complex, multi-site IT infrastructure based in El Segundo, CA. This role is centered around Red Hat Linux-based High-Performance Computing (HPC) clusters and includes support for secure lab environments, classified networks, and future integration of embedded Linux systems like VxWorks. Key Responsibilities: - Design … and implement secure system architectures using best practices in software and systems engineering - Provide end-to-end IT support across desktops, servers, and virtualized environments - Manage system access, patching, and hardware/software release planning - Administer and maintain Linux (RHEL) and Windows systems - Troubleshoot complex system issues and automate tasks using scripting (e.g., PowerShell) - Support classified networks and … supporting lab/test environments and classified networks - Strong background in Linux and Windows OS installation, configuration, and troubleshooting - Hands-on experience with IT hardware, networking equipment, and HPC systems - The ability to stand up virtual Linux environments - Security+ certification (or ability to obtain within 6 months) Preferred Qualifications: - Deep experience with RHEL, Windows Server/Desktop, VMware, and More ❯

Essential Duties and Responsibilities may include the following. Other duties may be assigned. Applicant must have experience with the application of DISA Security Technical Implementation Guides (STIGs) on operating systems Windows and Linux operating systems. System Admin experience with Red Hat Enterprise Linux (RHEL) Understanding of network administration tools, techniques, and methods. Fundamental knowledge in networking principles (TCP/… and teamwork skills, analytical and problem-solving skills, written and verbal communication abilities. Supervisory Responsibilities This job has no supervisory responsibilities but provides technical leadership and guidance to other Systems Administrators. This includes, but is not limited to training employees, planning, assigning, directing work and resolving technically related work problems. It also includes interaction with other technical teams and … AntiVirus software and strategies Server troubleshooting and repair Storage concepts and technologies Server backup strategies, methodologies, and solutions Network Thorough understanding of Local and Wide Area Networking Network Management Systems Routing Protocols Switching Technologies TCP/IP protocol suite Application protocols Network Security Client Microsoft Active Directory Network Operating System Supporting Technologies Desktop Operating Systems Familiarity with desktop More ❯