101 to 125 of 140 Senior Systems Administrator Jobs

Overview BigBear.ai is seeking a Sr. Systems Administrator. The System Administrator is responsible for implementing, troubleshooting, and maintaining Information Technology (IT) systems. This role manages IT system infrastructure and related processes, ensuring smooth day-to-day operations, monitoring, and problem resolution for client/server/storage … communication of status to agency management and internal customers, and remains involved in resolving dispatch system and hardware issues. What you will do Applies systems engineering principles throughout the systems life cycle phases: Concept, Development, Production, Utilization, Support, and Retirement. Interacts with the Government regarding Systems Engineering … Bachelor's degree, 6 additional years of relevant experience) (Ex. qualified engineering fields include: Aeronautics, Biomedical, Chemical, Civil, Computer, Electrical, Environmental, Mechanical, Nuclear, Software, Systems, and Engineering Management Clearance: Must possess and maintain a TS/SCI with Poly Perform systems engineering activities and assist in the preparation More ❯

running Red Hat of SuSe with direct attached, FC SAN storage or SSDs • Distributing computing tools such as ReS, LSF, and SLURM • HPC farm systems, HPC MPP clustered systems, Front End servers of Special Purpose devices (SPDs) • IBM of HP Blade servers with FC/SAS/Network … filesystems such as XFS, GPFS and Lustre • Pre-Factory testing, Factory testing, System integration and Acceptance testing during the purchase process of the HPS systems Requirements Accepted professional certifications include: Valid RHCSA or higher red Hat certification Valid VMWare certification IAT Level II Certification Required EQUAL OPPORTUNITY EMPLOYER VETERANS More ❯

running Red Hat of SuSe with direct attached, FC SAN storage or SSDs • Distributing computing tools such as ReS, LSF, and SLURM • HPC farm systems, HPC MPP clustered systems, Front End servers of Special Purpose devices (SPDs) • IBM of HP Blade servers with FC/SAS/Network … filesystems such as XFS, GPFS and Lustre • Pre-Factory testing, Factory testing, System integration and Acceptance testing during the purchase process of the HPS systems Requirements Bachelors degree in Computer science or related field and 10 years of demonstrable experience supporting the IT community Accepted professional certifications include: Valid More ❯

do, committed to our shared values and dedicated to our customers' mission. AT&T has an opening for a Senior System Administrator for the TAC2O program. This position will be providing managed IT support of TAC2O systems for high-priority defense intelligence collection needs. … 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/… administration. Satellite server administration. Ansible playbook writing. Implementing STIGs. Experience supporting a software configuration management and development environment. Our Senior System Administrator's earn between $130,000-$196,000 . Not to mention all the other amazing rewards that working at AT&T offers. Individual More ❯

10K Sign-on bonus A Senior Linux System Administrator Maintains an organization's computer systems' workflows and is responsible for the upkeep, configuration, and reliable operation of computer systems, including fixing network issues along with updating equipment and software Classified work and must … or more Linux/UNIX and 20% or less Windows with 600+ Physical and virtual servers covering various levels of very complex classified systems and networks. Responsible for performing in-depth analysis and technical support of systems, including complex problem resolution, design, development, testing, operational integration, and user … support. Provide operating systems planning and evaluation for performance analysis, capacity planning and hardware upgrades. Provide specialized expertise within multiple IT systems such as: Windows 2016/2019 server, Red Hat Enterprise Linux, VMWare hypervisor, VMWare Horizon, as well as general knowledge of related disciplines. This would include More ❯

Defense Data Center in Huntsville, Alabama. Responsibilities: Responsible for design, installation, configuration, administration, operation, maintenance, monitoring, troubleshooting, documentation of classified and unclassified MDDC Program systems and networks and associated equipment, devices, and software IAW applicable MDA and DoD guidance, instructions, procedures, and processes. Ensures IT systems are fully … in support of the MDDC Program for classified and unclassified systems. Work with vendors in support of current Linux based software installations and keep systems in compliance. Works closely with Program Management, Information Assurance, software development, analysis groups, and end-users to understand and implement requirements necessary to MDDC … and recoveries. Maintains IT databases and performs light programming tasks in relation to system administration needs. 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 junior staff engaged in system administration functions. Assists More ❯

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 ❯

Job Title Linux Systems Admin, Senior Overview EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country's most critical missions. We are a full-service government solutions company. Harnessing the most advanced technology and solutions, we strengthen defenses and … skills with big picture thinking to make an impact in National Security? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer focused engineering … solution. As a Linux systems engineer on our team, you have the chance to shape our National Security by leading systems engineering efforts on our team. Your customer will trust you to not only design and develop these systems but also evolve them with advanced technology solutions. More ❯

Job Number: 220 Job Category: GovTech Job Title: SENIOR SYSTEM ADMINISTRATOR (220) - TEXAS - URGENT Job Type: Full-time Clearance Level: Top Secret/SCI - Full Scope Polygraph 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 periodic vulnerability scans of systems 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 Communicate and coordinate with the Information System Security Officer (ISSO) and Information System Owner (ISO) regarding system changes as part More ❯

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 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 ❯

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 ❯

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 ❯