101 to 125 of 204 Permanent Senior Systems Administrator Jobs

Overview i3 is seeking a Senior Systems Administrator to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's mission is to protect the warfighter from emerging threats by advancing electronic warfare (EW) through RDT&E of technologies. Responsibilities Manage a VMware vSphere 7.X infrastructure in order to support maintained operation and … migrations of various hardware and software components to maintain the compliance of the system (i.e. Server 2019 to 2022, or vCenter 7.X to 8.X) Maintain both Windows and Unix systems in both virtual and physical capacities in order to maintain compliance with patching and software needs of users. Manage both virtual and physical switches for compliance and operability of … on occasion. Regular and punctual attendance is required. About i3 i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic warfare and electromagnetic effects analysis, UAS system integration and flight operations, full lifecycle C5ISR engineering services, cybersecurity and IT/IA innovative solutions and More ❯

teams rely on your collaboration and guidance to define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems. What You Will Do: Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. Working as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems … of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS). Working with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures and other tasks as assigned. Develop solutions and documentation about a variety of technical problems. Must be able to obtain Department … clearance with Counterintelligence (CI) Polygraph prior to start date. Must be a U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Must have Windows systems administration experience Experience with one of the following: VMWare vCenter, vSphere, VDI, and ESXi virtual computing methods Qualifications We Prefer: Experience with Veritas NetBackup or similar backup technologies. Experience More ❯

and errors in applications Develop recommendations for enhancing software support services Ensure adherence to IT infrastructure standards, policies, and procedures Update work instruction documentation and standard operating procedures Ensure systems and applications comply with Department of Defense (DoD) directives, including DISA STIG and IAVM bulletins What's In It For You: Competitive wages Medical and dental coverage 401(k … Infrastructure Scripting to automate tasks using PowerShell and/or AWS Console Familiarity with Virtual Desktops and virtualization (VMware ESXi preferred) Experience in large-scale deployments as an administrator Knowledge of cloud migration and AWS Cloud Platform (IaaS preferred) Load balancing/failover technologies General knowledge of antivirus, vulnerability scanning software, and Security Information and Event Management (SIEM 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 ❯

tech + data + people 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 Corporate IT compute system. The ultimate goal is to build and run a reliable, scalable … secure set of compute capabilities 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 and other technology platforms teams More ❯

an accredited college or university ; in lieu of BS four (04) years of additional applicable experience will be considered. Must have at least fifteen (15) years of experience performing systems administration and/or supporting programs, and contracts of similar scope, type, and complexity within intelligence community spaces. Experience providing training for customers, partners, and/or peers on More ❯

Digital Dynamo Linux Systems Administrator (We're always looking for great Systems Administrators of ALL LEVELS! And if all of the Systems Administrator positions are starting to look the same, and you may just want someone to review your resume. Go ahead and upload your resume. If you are a fit for a … we will reach out once that role becomes available. Feel free to check back with our Careers site too ) Join our dynamic team as a Digital Dynamo's aka Systems Administrator Extraordinaires! We're in search of a tech-savvy individual who will not only provide top-notch support for our IT systems, but also inject More ❯

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many … work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Space Systems - Launch and Missile Defense Systems has an exciting career opportunity for a Sr. Principal System Administrator - C2BMC Global Operations Lead (25-138) to join our team … commanders at strategic, regional, and operational levels to systematically plan ballistic missile defense operations, to see the battle develop collectively, and to dynamically manage designated networked sensors and weapons systems to achieve global and regional mission objectives. C2BMC supports a layered missile defense capability that enables an optimized response to threats of all ranges in all phases of flight. More ❯

and willing to take on any challenge. Enjoy working with customers of all shapes and sizes. You will have a passion for educating, training, designing, and building cloud computing systems for a diverse and challenging set of customers. Have a strong understanding of large scale cloud computing solutions. The ideal candidate will have past experience working as a security … systems engineer or security architect. You will enjoy keeping your existing technical skills and developing new ones, so that you can make strong contributions to deep architecture discussions around securing systems and applications in the cloud. You regularly take part in deep-dive education and design exercises along with technical deep dive drive technical discussions to create world … presentation skills – Presentations, white boarding, large and small group speaking. Technical – broad and deep knowledge of fundamental security principles and technologies, Security services development/deployment experience, and IT systems and network engineering experience. Operational Security – should have experience in operationalizing both infrastructure and application security controls Economic and business – RFP/Acquisition support; market analysis; cost benefit analysis More ❯

This job offer is presented to you through one of our partners. Click on "Show interest" to be redirected. Job Title: Senior Linux Systems Administrator Location: Ipswich – 2 days a week in the office Employment Type: Full-Time | Permanent Salary: 50-60K + Benefits We’re hiring on behalf of a cutting-edge … tech-driven client in the connectivity sector who is seeking a seasoned Linux expert. If you're passionate about open-source systems, thrive in high-performance environments, and want to work with a company that truly values technical excellence — this is the opportunity for you. About the Role: As a Linux Systems Administrator, you will be … ll be responsible for ensuring system reliability, performance, and security across a wide array of critical services. What You’ll Be Doing: Administering, upgrading, and maintaining enterprise-level Linux systems: Ubuntu, Debian Automating routine tasks using Bash, Python, or similar scripting languages Developing & deploying solutions – Building and maintaining Linux & network infrastructure Managing configuration with tools like Ansible, Puppet, or 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 at various classification levels: Tasks 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 … M (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP Degree in (Preferred): BA/BS from an accredited college or university in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science Minimum Years of Experience: Over six years' experience with systems administration and desktop support About the Organization Established in 2008, RiVidium, Inc. (dba TripleCyber) is More ❯

Top Secret/SCI w. Full Scope Polygraph to be considered for this position. Apply in 60 seconds at Summary: SYSTOLIC is seeking an Senior System Administrator with experience managing Linux systems. Qualifications & Compensation: Candidates with 15+ years of experience and a technical degree from an accredited university will receive approximately $263,000/year. … Job Description: Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides 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. Provides Tier 1 (Help Desk … to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Desired Skills: Installing More ❯

culture in the workplace which 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 experience in system administration, and support of a large client-server based IT enterprise. Or (5) years of full time computer science work More ❯

Senior Network and Computer Systems Administrator-Alternate-Site Support On-site: Arlington, VA IPTA is passionate about providing our customers with technical solutions that satisfy their business needs. Through collaborative interactions with customers, team members, subject matter experts (SMEs), technical leaders, and partners we design practical solutions that solve real problems for major government … parameters. Troubleshoots and resolves software, operating system, and networking problems. Schedules, performs, and monitors system backups and, when necessary, performs data recoveries. Responsibilities differ from those of an Operating Systems Programmer in that the Systems Administrator is not responsible for altering operating system's software codes. Recommends hardware and software upgrades according to growth statistics and More ❯

and technologies. The Senior 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 INCLUDE: • Setting up administrator … Developing and monitoring policies and 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 techniques. REQUIREMENTS: • Bachelors and five … years 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 to create and maintain Information Assurance (IA) compliance documentation More ❯

Overview The Senior ERP & CRM Systems Administrator will play a critical role within the IT team, responsible for the ongoing administration, maintenance, support, and enhancement of the company's core business applications - including Oracle E-Business Suite, Salesforce, and collaboration platforms such as Atlassian JIRA and Confluence. This position requires a hands-on, proactive … complex technical issues and will be expected to perform system setup, configuration, performance tuning, and operational optimization. In addition to core r esponsibilities, the Senior Administrator will contribute to broader IT operations and demonstrate flexibility in taking on evolving roles within a small, agile team. This position is based in Herndon, VA with the opportunity … company goals. Knowledge or Proficiency Areas preferred. Strong computer and technical skills, especially with Linux, scripting. Any Oracle Application DBA Relevant Experience supporting Oracle E-Business applications and Database systems in fast paced environment is huge plus. Ability to administer, troubleshoot, backup, restore, move, upgrade, patch and tune JIRA, Confluence and Oracle Application databases is highly desirable. Salesforce administration. More ❯

Columbus, OH; Dayton, OH; and/or Richmond, VA Telework/Work-from-Home Authorized: No About the Role: We are seeking a highly skilled Senior Systems Administrator to ensure the stable operation of computer software systems and network connections across multiple locations. This role involves planning, developing, installing, configuring, maintaining, supporting, and … optimizing network software and communication links. The ideal candidate will be responsible for overseeing the configuration and operation of information management systems, resolving end-user software and connectivity issues, and providing recommendations for system upgrades and performance enhancements. Additional Responsibilities Include, but are not Limited To: Ensure the stable operation of network software, communication links, and associated systems. Plan … and performance. Deliver end-user training and support. Offer strategic recommendations on technology direction to align IT infrastructure with business objectives. Provide local and remote maintenance support for operational systems, including server and application upgrades and new installations. Lead and direct a team of system administrators in managing day-to-day system operations, ensuring system optimization and user assistance. More ❯

Systems Administrator/Mission Support Operator - $10K Sign-on bonus Classified work and therefore must be on-site Mission Support Operator (MSO) provides 24/7, 365, 12hrs shift, Tier 1/2 operational support to end customers and users in the field/worldwide. Monitor the performance and capacity of end-to-end IT computer systems … situational awareness and resolution to the user community. Serve as first responder and 'one-stop shop' for all site issues, requiring a broad level of knowledge of high priority systems across a multi-location enterprise. This is similar to a civilian Emergency Operations Center for Police/Sheriff Department but it is not the same; however, we action … next 2-3 months. The rotation helps ensure equity regards to work life balance for all members of team. Other duties include: Monitoring, recognition, evaluation, and correction of IT systems, network and satellite ground stations. Interfacing with the user community, Mission Directors, System Administrators, Network Engineers, external sites and other system operators as required for real-time detection, isolation More ❯

Experience with Agency security requirements and implementation of STE mechanisms Requirements TS/SCI clearance with a polygraph Bachelor's degree in Technology and 15+ years of experience with systems administration, or 20+ years of experience with systems administration in lieu of a degree More ❯

systems. Demonstrated experience setting up and managing servers in Commercial Cloud Enterprise (C2E). Demonstrated experience setting up and managing servers in the Cloud. Demonstrated experience with basic Linux systems administration, including installing packages, and configuring user accounts.Desired Experience, Skills, and Education: Familiarization with client's latest guidance on cyber security policy and procedures Demonstrated experience troubleshooting system hardware … and software issues. Demonstrated experience with general network systems and protocols Additional Information All your information will be kept confidential according to EEO guidelines. We are an Equal Opportunity Employer that considers all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status, or any other protected More ❯

Senior Application Systems Administrator Join to apply for the Senior Application Systems Administrator role at Gallagher UK Overview At Pen Underwriting, we are looking for an experienced Senior Application Support Administrator to join our Technology Team. This role involves managing environments that support … deployments. Maintain security compliance and interface regularly with various stakeholders. Support audit processes and ensure timely delivery of audit evidence. Qualifications Experience as a Senior Applications Systems Administrator working with multi-tier applications. Strong knowledge of Linux OS, MySQL, and IT security. Excellent communication and problem-solving skills. Familiarity with ITIL, incident/change More ❯

Praescient Analytics is seeking a Linux Systems Administratort o join our diverse team at our Herndon, VA, office to support one of our Intelligence contracts. The candidate will work within a cross-functional Agile Scrum team as a jack-of-all-trades, maintaining applications running in Kubernetes, working as a Linux systems administrator, and working with … the Information Assurance team to maintain systems documentation. This position is 100% on-site. Required Qualifications: • 5 years deploying and maintaining systems running on Linux or other UNIX-like systems - including at least 2 years of Linux • 5 years of software/system design and architecture • 5 years maintaining systems documentation • 3+ years of enterprise-level … software development • TS/SCI clearance with CI Poly required (No Exceptions) Preferred Qualifications: • Security+ or equivalent certification and willingness to serve as a privileged user supporting deployed systems testing • 2 years working with DevOps or DevSecOps teams in deploying and troubleshooting container-based systems • 2 years' experience with Kubernetes (Red Hat OpenShift or another variant) • Experience with More ❯

We understand that the world we want tomorrow starts with how we do business today, and that's why we're inspired to make A Better World for Pets. Antech is comprised of a diverse team of individuals who are More ❯

Impact Team Location: Sheffield, South Yorkshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 25.05.2025 Expiry Date: 09.07.2025 Job Description: Linux Divestment Senior Technical Engineer PAYE Agency worker contract role Hybrid – Sheffield (Up to 3 days per week in Sheffield) We are seeking a Linux divestment engineer to engineer a standardized More ❯

The Managing/Senior Principal Consultant will design and implement individual components of the Oracle products based on area of expertise. Analyze detailed requirements and develop detailed design for a specific Oracle product or technology. Provide implementation services for a specific product to include extensions and additional configurations necessary to implement customer unique business processes and workflows. … operations. Requirements TS/SCI FSP Clearance 10 years overall IT experience, with at least 8 years' experience in a production System Administration role Linux - (CentOS/RHEL) administrator concepts and principles VMWare VM creation, configuration, and operation experience Enterprise Automation using Ansiple Scripting: Shell, Python preferred Physical Server Administration Storage Management (ex LG, PV, LVM) Protocols (ex More ❯