101 to 125 of 129 Permanent Senior Systems Administrator Jobs

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 ❯

Administrator with experience in installation and configuration of Virtual Desktop Infrastructure (e.g. Citrix) to support United States Space Command (USSPACECOM) systems. These systems will consist of an on-premises Nutanix Hyper-Converged Private Cloud utilizing VMware ESXi Hypervisor and associated products, with future migration to Nutanix's … native Hypervisor. The Private Cloud hosts classified USSPACECOM Mission Systems and Web Services including several Program of Record (PoR) Systems and Information Technology (IT) infrastructure including Windows and Red Hat Enterprise Linux (RHEL) servers. Work will be conducted at the government's facilities in Colorado Springs, CO. Duties … reviews as necessary Performing actions as a Windows System Administrator on Servers and Client images Maintaining smooth operation of multi-user computer systems, including coordination withnetwork, software, and system engineers, PC desktop technicians, project managers, endusers, and customer and IT management Working across disciplines to isolate issues More ❯

DCCA is proud to offer career growth opportunities and a competitive compensation and benefits package. Visit our website at: Senior System Administrator Candidate must have an active TS/SCI w/Poly For over 40 years, DCCA has provided a broad range of IT … us and be part of a team that has a people first mentality and a dedication to excellence. The Senior System Administrator will main tain data files and control procedures for a complex system of networked computers or for a single group of microcomputers linked … passwords and monitors use of resources, backs up files as required and responds to management requests for information. Provides technical guidance to lesser-experienced systems administrators. An equivalent of a bachelors degree in computer science, or related field, or equivalent experience, and five to seven years of related experience. More ❯

Position Description: CGI Federal is seeking a Mac System Administrator responsible for guiding and overseeing maintenance of mobile delivery applications for a Federal Customer. This candidate will support mobile applications on platforms, including Apple iPads and Microsoft Surface tablets. In this role, it is critical to collaborate with … Mobile Apps Tech Lead to ensure secure applications, ensuring exceptional performance and user experience. Your future duties and responsibilities: Serve as a Macintosh (Mac) systems administrator and maintain responsibility for planning and implementing software, hardware, network, and Web technologies associated with project operations. Accomplish troubleshooting, revisions, and … Accomplish queries, extractions, and report programming to meet new functional requirements. Review and prioritize network needs and analyze project costs and feasibility. Develop network systems analysis standards and methodologies consistent with technical requirements. Required qualifications to be successful in this role: Active TS/SCI clearance with Polygraph 4+ More ❯

Amyx is seeking to hire Sr. Systems Admin for a remote position supporting a DLA Operational Technology (OT) contract. The Sr. Systems Admin ensures the stable operation of all in-house and cloud-based computer software systems and network connections. This includes planning, developing, installing, configuring, maintaining … supporting, and optimizing all software, operating systems, and communication links. Analyzes and resolves end user software program and connectivity issues. Provides end user training. Ability to analyze, research, and provide recommendations on technology direction to align with business vision. Will be required to provide both local and remote maintenance … support to various operational systems deployed at more than one location. Support includes general maintenance, upgrades, and new installs of servers and applications. Applies advanced technical knowledge of application networking, including load balancing applications, and ensuring fault tolerance. Performs vulnerability management and analytics required to meet DLA, DoD, and More ❯

Design and maintain scalable Salesforce solutions, ensure data integrity through governance practices, support integrations with key tools, and mentor junior team members to enhance the go-to-market organization's efficiency and agility. More ❯

Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are known for continuous innovation for our government customers, in both the US and abroad. Our exceptionally talented team is highly … offer opportunity, unique challenges, and clear-sighted commitment to the mission. SPA: Objective. Responsive. Trusted. We seek an experienced Senior System Administrator with deep expertise in private cloud infrastructure, VMware, and Azure Cloud services. This role will focus on designing, deploying, and managing hybrid cloud … frameworks such as NIST SP 800-53, CMMC, and FedRAMP. Familiarity with multi-cloud environments, including AWS or Google Cloud. Microsoft Certified: Azure Administrator Associate Security Clearance Requirement Ability to obtain and maintain a Secret or higher security clearance (if required by the project). More ❯

Job Number: 220 Job Category: GovTech Job Title: SENIOR SYSTEM ADMINISTRATOR - TEXAS -URGENT Job Type: Full-time Clearance Level: TS/SCI with POLY Work Arrangement: On-site Job Location: San Antonio TX Salary: 160K Background Provide support for implementation, troubleshooting and maintenance of IT … systems Manage the daily activities of configuration and operation of IT systems Perform account management, e.g. establishing, activating, modifying, disabling, and removing accounts Implement IAVA security patches and insure patch status is recorded in appropriate systems of record Optimize system operations and resource utilization, and perform system … capacity analysis and planning Configure and manage UNIX, Linux 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 Communicate and coordinate with the ISSO More ❯

Position Description: Red Arch Solutions is 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 … status updates to agency management, and ensuring timely communication with internal customers. Additionally, the position includes configuring and maintaining UNIX, Linux, and Windows operating systems, improving system performance, and ensuring overall network integrity. Responsibilities: Provide support for implementation, troubleshooting and maintenance of IT systems. Manage the daily activities of … accounts. Provide configuration management, implementation, and sustainment of compliance with applicable system security controls. Perform periodic vulnerability scans of systems. 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. More ❯

team member brings to his/her job, team, and community. We are currently seeking a talented and motivated Senior System Administrator for a Full-Time position. Job Description You will lead system administration efforts while managing mobile devices across enterprise environments. The role blends … and virtualization platforms (VMware/Hyper-V) Maintain security compliance through regular audits and policy enforcement Troubleshoot escalated technical issues across infrastructure and endpoint systems Create and maintain system documentation, SOPs, and configuration guides Collaborate with teams to integrate mobile and desktop management Serve as the escalation point for More ❯

assistance available CLEARANCE TYPE: 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 … 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 Systems Administrator - DOORS Admin … 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 More ❯

assistance available CLEARANCE TYPE: 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 … 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 Systems Administrator - DOORS Admin … 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 More ❯

This Enterprise Operations (EO) position supports the Lockheed Martin Space division located at the Huntsville, AL facility. The primary responsibility of the Engineering Tools Systems Administrator is to deploy and maintain Model Based Enterprise Applications in a classified environment. This includes working closely with larger enterprise team … to ensure applications stay current with deployments on unclassified environment. This IT professional will ensure that the Lockheed Martin IT systems/applications are managed, controlled, and compliant with the Security Technical Implementation Guide (STIG) and Risk Management Framework (RMF). This role will be responsible for Engineering Tools … related to application design, development, operations & Maintenance. • Demonstrated experience with business process improvement in area of engineering. • Knowledge of Windows Server and Desktop Operating Systems administration (Windows, 7, 10, 2008, 2012 and 2016) • Knowledge of Virtualization (VMware, Horizon, vSphere, vCenter, vCloud, vRealize, NSX, vSAN or VXRail) • Knowledge of implementing More ❯

management solutions to help federal agencies in the defense and aerospace markets meet complex operational challenges. Currently seeking a Senior System Administrator to join our team in support of the Missile Defense Agency (MDA) Missile Defense Data Center (MDDC) in Huntsville, AL. Responsibilities: Responsible for … administration of classified and unclassified systems and networks IAW applicable MDA and DoD guidance. Ensures IT systems and networks are fully functional for all operational and support activities. Provides technical expertise in relation to IT processes and operations based on applicable MDA and DoD security provisions, technical guidance … system backups and recoveries. Maintains IT databases and performs programming tasks in relation to system administration. Researches, evaluates, and recommends new and emerging IT systems technologies to advance and support MDDC Program requirements. Leads, trains, and supports the work of other staff engaged in system and network administration functions. More ❯

Would you like to perform rewarding work while contributing to the success of an established, growing company? Navstar is an award-winning organization that has a proven track record of successfully providing IT services and solutions both as a prime 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 ❯

Responsibilities & Qualifications RESPONSIBILITIES Configure and support cloud and virtual environments including AWS and VMware Maintain various operating systems in a variety of users and activities Apply cybersecurity knowledge to configure IT equipment to proper security standards Install, troubleshoot, and manage applications, systems, and networks Test systems and … resolve security vulnerabilities REQUIRED QUALIFICATIONS Minimum eight ( 8 ) years of experience as a System Integrator, Administrator, or Cybersecurity Roll Minimum of Bachelor's Degree from an accredited college or university in IT, Cybersecurity, or related discipline Active Certified Cloud Security Professional ( CCSP ) Certification Active TS/SCI + … to determine a solution Has, or is willing to gain, more diverse IT skills, including Windows/Linux, networking, and more Able to build systems from the ground up - network architecture/systems engineering Any applicable certifications like AWS Cloud Practitioner, and/or Microsoft Certified Solutions Associate More ❯

Army Network Enterprise Technology Command (NETCOM) and the Regional Network Enterprise Center for the National Capital Region (RNEC-NCR), we are currently seeking a Systems Administrator. Duties and Responsibilities: Maintains and supports the integrity of the operating system environment and various computer systems. Administers, installs and troubleshoots a variety … of operating systems. Performs systems maintenance tasks, such as system back-up, recovery and file maintenance. Schedules, installs, and tests system software upgrades. Configures software and resolves technical problems. Monitors and maintains software licensing and maintenance agreements. Typically requires a bachelor's degree or its equivalent. Typically reports to More ❯

Job#: Job Description: Apex Systems is looking for MULTIPLE TS/SCI Senior AWS Cloud Systems Operations Administrators to support one our clients defense programs in San Antonio, TX! Minimum Requirements Must have at least a Top Secret clearance and able/willing to be … Cloud Native Associate (KCNA) Certified Kubernetes Administrator (CKA) Red Hat Certified Engineer (RHCE) RH294: RHEL Linux Automation with Ansible 10 years IT systems administrative experience with both Microsoft and Linux platforms 2 years applied experience on containerized platforms Proficient understanding of maintenance (patching, STIG, and upgrade processes … on AWS cloud infrastructure Demonstrated experience and/or training in system administration related to ability to manage and operate workloads on AWS systems Demonstrated experience in system administration support and management related to Amazon EKS Demonstrated experience in system administration and supporting development and test teams in AWS More ❯

Piper Companies is looking for a Senior Linux System Administrator to join DoD consulting company. This position is onsite in San Diego, CA. Essential Duties of … the Sr Linux System Administrator: Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system. Monitor network to ensure network availability to all system users and may perform necessary maintenance to support … analysis, planning, and coordination between network and data communications hardware and software. May administer network security measures. Qualifications of the Sr Linux System Administrator: Bachelors degree and 4 years of experience, Associates degree and 6 years of experience, or 8 years of experience without a degree Must be More ❯

Defense (DoD) in managing AWS cloud operations to ensure efficient cloud-based system administration and security. The objective is to provide high-level AWS systems operations support while deploying, managing, and securing AWS workloads. Personnel will be responsible for managing cloud infrastructures, implementing best practices in security, and supporting … requirements using AWS security features and frameworks, adhering to industry best practices. Utilize AWS Management Console and AWS Command Line Interface (CLI) to manage systems and workloads effectively. Collaborate with development and testing teams to support the design, development, and deployment of containerized applications and cloud-based systems … Evaluate and recommend cloud migration best practices to support system transitions, including legacy system integration with modernized AWS environments. Lead discussions with decision-makers, systems owners, and end-users to define operational requirements and objectives related to AWS cloud deployments. Assist in the planning, design, development, and deployment of More ❯

Primary Functions/Job Description Work with System Administrator team to learn server environment Maintain/upgrade/build/implement Windows Systems Manage/maintain/troubleshoot Active Directory Build and implement Group Policies Maintain, configure, monitor, tune, and troubleshoot server software Manage user accounts and … access to systems Daily resolution of ticket/issues sent to System Administrator queue Perform daily monitoring of environment including hardware, applications, key processes, and scheduled jobs Develop, maintain, and contribute to installation and configuration procedures documentation Work with Security team to review audits, policies, and procedures … layout Knowledge of Group Policy - deployment and development Expert knowledge with DNS, TCP/IP, DHCP, HTTP, and TLS Expert knowledge of Windows Server systems (Win 2016, 2019, 2022, 2025) Expert scripting in PowerShell Knowledge of CA/PKI environments Knowledge of Windows Clustering Understanding of SQL Database and More ❯

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 More ❯

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 … 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 More ❯

to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Linux System Administrator (Active Secret) Job Code: 21212 Job Location: Colorado Springs, CO (Onsite) Job Description: L3Harris is currently searching for a Linux System Administrator … a passion for mission success, good communication skills, and strong willingness to learn. In addition, experience supporting help desks for Linux and UNIX based systems is required. Essential Functions: Monitor, operate, and maintain Linux based applications. Monitor Kubernetes nodes and pods. Monitor data flow within mission systems. Perform mission More ❯