76 to 100 of 140 Senior Systems Administrator Jobs

people across 32 countries, with our headquarters in Dublin, Ireland. Learn more at Job Description We are seeking a Senior Systems Administrator to support and diagnose incidents within the Colleague Technology Support group, adhering to established service levels. The role covers server, desktop, laptop More ❯

that truly sets us apart in the market, alongside our 'global approach, local touch' mentality. Job Summary The Corporate IT Matter Subject Expert for Systems forms a part of the team of engineers that are focus on Systems related technologies , within the wider Corporate Systems team. The … role involves driving the implementation, operation and improvement of the systems tech stack and practices, including compute, storage, identity and security, focusing on our corporate systems reliability, scalability, and efficiency. Collaborates closely with the rest of the Technology, Corporate and Platform teams to align on and drive the … in HBX Group while fostering a culture of collaboration, innovation, and continuous improvement within the team. Job Responsibilities Form part of the Corporate IT Systems team, providing support in day-to-day activities delivering high-quality results and meeting the service targets. Collaborate with the Corporate Systems Lead More ❯

the most daunting challenges facing our customers. Visit to learn how we're keeping people around the world safe and secure. Program Overview Applies systems engineering principles throughout the systems life cycle phases: Concept, Development, Production, Utilization, Support, and Retirement. Perform systems engineering activities and assist in … system infrastructure and any processes related to these systems. Manage the daily activities of configuration and operation of IT systems. Provide support to IT systems including day-to-day operations, monitor and problem resolution for all the client/server/storage/network devices, mobile devices, etc. Aid … 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 More ❯

Title Senior System Administrator Full-Time/Part-Time Full-Time Description RiVidium Inc. is seeking a Senior System Administrator to serve as the System Administrator for a closed restricted network and support other DoD guest systems … for the position shall include, but not limited to: performing installation, troubleshooting and other administrative tasks associated with ongoing maintenance and enhancement of information systems and services. Performs systems planning, management, analysis, integration, installation and training tasks that include all aspects of preparing and implementing a highly complex … and integrated array of hardware, software (applications and operating systems), networks and procedures. Perform updating, upgrading, security hardening and maintenance tasks on a variety of servers including physical, virtual and cloud based. Perform Security Technical Implementation Guide (STIG) configurations on Windows, Linux, and Network based technologies. Ability to use More ❯

right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Senior Linux Systems Administrator to join our team! What You'll Be Doing: Support the system administration for ARL high performance computers Support design of … Army Research Laboratory A2I2 building for systems being delivered in 2024 and future platforms Advise in architectural tradeoffs including NVidia Grace/Hopper, ARM, AMD, and new file systems Identify open-source software tools and stacks for customer-specific and production platforms Develop and implement software instrumentation to … measure and visualize the performance of various systems, sub-systems, and user jobs Serve as a subject matter expert to HPC program system administration team for research, development, and production HPC system What Required Skills You'll Bring: Extensive background in diverse Linux operating systems and high More ❯

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

Hosting Senior System Administrator About the role We are seeking a skilled Senior System Administrator to support and enhance our hosted solutions across both private and public cloud environments. This role is essential in ensuring the availability, security, performance and … meet SLAs. Implement redundancy, disaster recovery, and failover mechanisms to minimize downtime. Deploy and maintain monitoring solutions for both private and public cloud-hosted systems to identify and resolve issues proactively. Analyse performance metrics and implement optimizations to ensure alignment with SLA requirements. Presentation Tier Administration: Manage and maintain … and Azure Virtual Desktop to deliver hosted applications and ensure a seamless end-user experience. Windows Server Administration: Deploy, configure, and manage Windows Server systems in private and public cloud-hosted setups. Configure and troubleshoot Group Policy Objects (GPOs) to enforce security and operational policies. Perform advanced troubleshooting to More ❯

Hosting Senior System Administrator About the role We are seeking a skilled Senior System Administrator to support and enhance our hosted solutions across both private and public cloud environments. This role is essential in ensuring the availability, security, performance and … meet SLAs. Implement redundancy, disaster recovery, and failover mechanisms to minimize downtime. Deploy and maintain monitoring solutions for both private and public cloud-hosted systems to identify and resolve issues proactively. Analyse performance metrics and implement optimizations to ensure alignment with SLA requirements. Presentation Tier Administration: Manage and maintain … and Azure Virtual Desktop to deliver hosted applications and ensure a seamless end-user experience. Windows Server Administration: Deploy, configure, and manage Windows Server systems in private and public cloud-hosted setups. Configure and troubleshoot Group Policy Objects (GPOs) to enforce security and operational policies. Perform advanced troubleshooting to More ❯

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 … 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 … 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 More ❯

Senior System Administrator Full Time Professional Today Requisition ID: 1119 Apply WaveLink Overview: WaveLink, Inc. (WLI) is an expanding, woman-owned small business based in Huntsville, Alabama, providing systems integration, aviation engineering, systems/software engineering, acquisition management, and cybersecurity expertise to the … U.S. Army, Air Force, and Navy. WLI currently has a position available for: Job Description: WLI is seeking a Senior System Administrator, responsible for installation, configuration, maintenance and the cybersecurity of various systems and storage technologies deployed in a U.S. government classified environment. The … Directory/MFA, Virtualization (ESXi/Vsphere/Citrix), and network storage technologies. Required Education and Experience: Bachelor's degree in computer science, information systems, or a related field preferred. Minimum 8 years performing as a system administrator. DoD/DoJ environment preferred. IAT Level 2 Required Skills: Provide More ❯

Title: Sr. Systems Administrator (TS/SCI Clearance) Location: Springfield, VA (on-site) PTFS is a leader in digital content management solutions, content digitization, and library services/solutions, serving more than 500 organizations around the world. Position Summary: Develops technical solution for the management for software … hardware, configurations, and architecture. Provides interpretation to Systems matters that are moderately complex in nature. Provide troubleshooting support for systems hardware and software issues that are highly complex. Train end users on the proper use of hardware and software. May training large groups of end users. Performs advance … software installations and upgrades to operating systems and layered software packages. Applies advanced knowledge in monitoring and tuning the system to achieve optimum performance levels. Provides guidance to less experienced personnel on workstation/server data integrity matters and the implantation of standard software and hardware solutions. Leads complex More ❯

Description Task Description The System Administrator shall be responsible for providing network management and systems administration to maintain the customer 's High Performance Computing (HPC) infrastructure and HPC development environment Task Required Skills Experience using the Linix CLI Experience developing scripts using Bash/Python Experience performing More ❯

Description ICF is looking for a System Administrator to work with an Agile team to deliver value quicky, confidently, inexpensively, and securely. This position requires an active Department of Defense Top Secret (or higher) security clearance. Working at ICF means applying a passion for meaningful work with intellectual … o Operating in CI/CD environments o Working on Agile teams o Git-based version control Desired Qualifications AWS certificates (preferably System Administrator and DevOps Professional) Experience with security compliance frameworks such as FISMA and DISA STIGs Expertise in Linux and Windows server administration, including Red Hat More ❯

Senior Windows Systems Administrator ACTIVE TS/SCI CLEARANCE with FS poly REQUIRED TO BE CONSIDERED FOR THIS POSITION Attend TEMs to discuss and agree upon MOAs -ensure MOA is within scope of server team's work. Assess server loads and work with tech More ❯

Job#: Job Description: Apex Systems is seeking a Top Secret w/CI Poly cleared System Administrator to join our partner for a long-term contract located in Reston, VA. Please see below for more details: Apex Systems is a world-class IT services company that … Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Overview: Job Position: Senior System Administrator Job Type: Full-Time, W2, Long Term Contract Job Location: Reston, VA Shift/Schedule: M-F, Core Hours: 9-3 Targeted Start … and deploys software packages using software deployment products such as SCCM, PDQ, etc. Provides expert level support and mentoring for Mid and Junior System Administrator personnel. Develops and maintains installation and configuration procedures for system and software changes. Utilizes scripting to automate common tasks. Performs hardware maintenance/ More ❯

Job Description Job Title: Senior AWS Cloud Systems Operations Administrator Location: San Antonio, TX Status: Onsite/Hybrid Employment Type: Full-Time Clearance Level: TS/SCI Education: Bachelors or higher Salary: 150,000-170,000 Benefits: Competitive salary and bonus structure, Comprehensive health … friend Minimum Certification: AWS SysOps Administrator Associate & IAT Level II Certification Minimum Skills and Responsibilities: The Senior AWS Cloud Systems Operations Administrator provides subject matter expertise for cloud systems administration, security, and process improvement. The role includes: Analyzing, planning, and developing … security services. Managing AWS tools such as Kubernetes, EKS, Diode, Lambda, etc. within a cloud environment. Qualifications: Experience: At least 10 years in IT systems administration, with expertise in Microsoft and Linux platforms. Education: Bachelor's degree in a related field is required; a master's degree may substitute More ❯

Responsibilities & Qualifications RESPONSIBILITIES Installation, configuration, maintenance, and administration of Active Directory. Be comfortable updating and troubleshooting a range of enterprise situations that involve things like Group Policy Object management, authentication, and VDI. Familiar with VDI platforms, preferably Horizon View. VMWare More ❯

reflection of our dedication to harnessing the power of diversity, knowledge, innovation, and commitment. What we are looking for A strong Windows and Linux Systems Administrator who is comfortable working in a fast-paced complex IT environment and simultaneously providing excellent troubleshooting and user technical support. In … Polygraph clearance. - 8570 IAT II minimum (Sec+ or equivalent). - Minimum 8-10 years of experience providing support for users and monitoring/optimizing systems in infosec environments. - At least 5 years of experience in Linux or Unix server administration using RHEL and/or CentOS within an enterprise … Hands-on experience managing YUM repository. - Advanced PowerShell or Bash scripting. - Practiced understanding of software and security architectures such as Windows/Linux operating systems, VMware architecture (vSphere/vCenter), HP OpenView, and/or Windows Server upgrades. - Thorough understanding of advanced security protocols and standards, and information security More ❯

virtual and physical servers. Services include building, documenting, operating, maintaining, and sustaining enterprise, regional, and local physical and virtual servers supporting mission applications and systems as well as the underlying shared application and infrastructure services. Work with Sponsor's partners for installing, configuring, and maintaining servers or other computer … the knowledge of the customer and technical support staff. Provide support for Microsoft (MS), LINUX, and Unix-based COTS server environments, and other operating systems on a case-by-case basis. Qualifications Requirements TS/SCI with Polygraph level clearance is required. BA/BS and 8+ years of … experience; Masters and 6+ years of experience; an additional four years of experience may be considered in lieu of degree. Proven experience as a Systems Administrator. Demonstrated experience supporting MS, LINUX, and UNIX based servers. Experience working with both virtual and physical servers.Desired: CompTIA Server+ Certification SCA/Union More ❯

a team supporting internal customers, designing, implementing and managing lab infrastructure to meet the customer requirements. This position will have an emphasis on Linux Systems OS along with a mix of Windows OS. This is a customer service-oriented role requiring attention to detail, self-motivation and working well … share, and other collaboration servers to support groups of heterogeneous client systems. Partner with facilities security staff to develop and apply hardening steps for systems for classified use to NISPOM Chapter 8, JAFAN, and other customer standards. Document system configuration for new and existing systems. This role will require … VCenter, VSphere) PXE and WDS automated system installation technologies Configuration management tools (Subversion, ClearCase Red Hat Enterprise Linux and CentOS NetApp Management Automated backup systems Preferred Education, Experience, & Skills Bachelor's Degree CompTIA Security+ certification Ability to work both Server Admin and Field service ( PC ) Pay Information Full-Time More ❯

System Administrator We have an immediate need for a System Administrator to maintain critical IT systems and orchestrating novel and efficient baseline configuration management. Typical duties will include health and status monitoring of hardware and software components, automated deployments of baselines, patches, services, and configuration. … of client/server/storage/network/mobile/support devices. What you will be doing: The Senior System Administrator is responsible for all operational aspects of the development & test environment(s) associated with an exciting and important capability contributing to our national More ❯

an active DoD Clearance (Top Secret/SCI) Because an active DoD clearance is required, U.S. Citizenship is required Job Description: As an Expert Systems Administrator (App Dev), you will join our team to support the US Army Intelligence and Security Command (INSCOM). This specific program … principles, methods, and techniques used in network administration and support - Knowledge of related hardware and software - Plan, design, and build system images with operating systems and key mission applications to support training and operations. - Updating and patching Windows Gold/Master/SHB image - Test and provision systems … of networks, software, hardware, configurations, and architectures. - Develops training materials for end users on the proper use of hardware and software. - Monitors and tunes systems to achieve optimum performance levels. - Leads efforts to ensure data/media recoverability by following a schedule of system backups and database archive operations. More ❯

Linux System Administrator will perform standard Linux System Administration duties as required to maintain smooth operation of multi-user computer systems consisting of Linux based application and license servers, virtual machines, and GP/GPU cluster based systems. Coordination with network administrators required. RESPONSIBILITIES WILL … standards for allocation related to the use of computing resources. • Participating in the installation, integration, acceptance testing, and on-going maintenance of our HPC systems and software environment. • Assisting with forecast resource limitations and provide recommendations for increasing the efficiency of our resources through proper scheduling and load balancing … or more experience; Masters and three (3) years or more experience; PhD and 0 years related experience • Extensive knowledge of Linux and Unix operating systems concepts as well as systems administration experience • Ability to develop and maintain documentation on system administration procedures for routine and complex tasks • Ability More ❯

Position Description: We are seeking a Senior System Administrator to join our PRIME contract in San Antonio, Texas. This position supports the implementation, troubleshooting, and maintenance of IT systems, managing infrastructure and related processes. Responsibilities include: Monitoring and resolving issues across client/server … resolution Managing system escalations Providing status updates to agency management Ensuring timely communication with internal customers Configuring and maintaining UNIX, Linux, and Windows operating systems Improving system performance and ensuring overall network integrity Responsibilities: Support implementation, troubleshooting, and maintenance of IT systems Manage the daily activities of configuration … university Four (4) years of additional SA experience may be substituted for a Bachelor's degree Fifteen (15) years of experience as a System Administrator (SA) in programs and contracts of similar scope, type, and complexity DoD 8570 compliance with Information Assurance Technical (IAT) Level II certification and More ❯