Senior Systems Administrator
Jobtailor
Support the National Programs Intelligence Systems & Application Operating Unit. Ensure applications remain operational by monitoring performance and providing technical assistance. Troubleshoot and resolve system issues related to resource usage. Provide Tier 1 and Tier 2 support for troubleshooting, diagnosing, and resolving system and database issues. Oversee and manage both virtual and physical servers for enterprise, regional, and local systems. Requirements BA/BS degree with 5+ years of relevant experience; or Masters degree with 3+ years of experience. Proven experience in system administration, specifically with Linux, including RHEL and Ubuntu, and UNIX in classified environments. Some Windows server administration experience would be good to have. Hands‑on experience with Oracle Database installation, maintenance, and troubleshooting. Experience managing both virtual and physical servers. Experience performing system monitoring. Experience with backup management. Experience implementing performance optimizations. Core Competencies Demonstrates expertise in system administration, particularly with Linux and UNIX in classified environments, while providing Tier 1 and Tier 2 support for system and database issues. Proficient in managing both virtual and physical servers, ensuring optimal performance and reliability. Highest-signal resume keywords System Administration Linux Administration Oracle Database Management Server Management Performance Optimization ATS Optimization Keywords Hard Skills Linux RHEL Ubuntu UNIX Oracle Database System Monitoring Backup Management Troubleshooting Performance Optimization Industry Keywords Classified Environments Technical Assistance Tier 1 Support Tier 2 Support Tools & Technologies Virtual Servers Physical Servers Windows Server #J-18808-Ljbffr
- ...Senior Systems Administrator We are hiring a Senior Systems Administrator to support mission-critical applications in a secure environment. This is an opportunity for an experienced systems professional with strong Linux administration expertise to work across modern...SeniorFull time
- ...McLean, VA . We currently have an immediate opening for a Sr. Systems Administrator to support our contract in Lanham, MD. Our government... ...requirement to provide support in Infrastructure Management for a Senior System Administrator, with strong Microsoft Hyper‑V...SeniorContract workWork at officeImmediate startRemote workMonday to Friday
$112k - $179k
Responsibilities Peraton Labs is seeking a poly cleared Senior Infrastructure and Systems Administrator to support cleared research and development efforts for a government customer in Maryland. This role will support the implementation, maintenance, security, and operational...SeniorFull timeContract workFor subcontractorRemote workRelocation packageShift work$92.3k - $166.85k
...Community customers as they address evolving national security challenges.About the OpportunityLeidos is seeking an experienced Senior System Administrator to support the implementation, operation, troubleshooting, and maintenance of IT systems and infrastructure. You will...SeniorFull time$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We’re looking for a System...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$65k - $85k
...Overview We are seeking a skilled and self-driven Systems Administrator with strong expertise in cloud services, Microsoft enterprise technologies, virtualization, and modern security platforms The ideal candidate will have hands-on experience with AWS, Microsoft...Senior$100k
...sustaining, operating, and improving essential government systems and services, with proven operational excellence, and a commitment... ...position, and receipt of authorization to proceed. The Senior Systems Administrator supports IT operations by designing, automating, testing,...SeniorContract workRemote work- ...Senior Systems Administrator Employment Type: Full Time, Senior-level CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative...SeniorFull timeContract workFor contractorsWork at officeFlexible hours
- ...Senior Systems Administrator II Employment Type: Full Time, Senior-level CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and...SeniorFull timeContract workFor contractorsWork at officeFlexible hours
$80k - $90k
...Senior Systems Administrator The Solar Energy Industries Association (SEIA) is the national trade association for the solar and storage industry and represents more than 1,000 member companies and an industry workforce of more than 255,000 across the United States....SeniorFull timeWork at officeLocal areaRemote work3 days per week$77.6k - $176k
...System Administrator, Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We're looking for a...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- ...Relativity Senior Systems Administrator Employment Type: Full Time Department: Legal/IT We are seeking a Relativity Sr. Systems Administrator to join our team! You will handle a variety of projects to support and improve the organization's network systems....SeniorFull timeWork at officeFlexible hours
$75k - $85k
...mission-critical technology, engineering, and mission support services to federal government customers. We are seeking a Senior Systems Administrator to play a key role in a critical DOD program - powering the platform that securely collects, analyzes, reports, and...SeniorTemporary workImmediate startRemote work$121k - $143k
...expected to leverage AI, technology, and the Nuclear Operating System (NOS) as integral components of their role to improve the... .... About the role The Nuclear Company is seeking a Senior Systems Administrator to securely administer and scale Microsoft 365, Microsoft...SeniorBi-weekly pay- ...package. Qualifications Minimum of seven (7) years of experience in installing, configuring and maintaining UNIX/LINUX/MS operating systems and Cloud Environment. Analyzes and resolves problems associated with the operating system's servers, hardware, applications, and...Senior
- ...experience utilizing Figma and Angular to build and design UI/UX.Responsible for installing, configuring, and maintaining operating system workstations and servers, including web servers, in support of business processing requirements.Performs software installations...Senior
$107.12k - $140.25k
...computers, the IonQ Tempo, is the latest in a line of cutting-edge systems that have been helping customers and partners including... ...before. We are seeking a highly motivated and versatile Senior IT Administrator to be the dedicated on-site IT presence for our College...SeniorPermanent employmentFull timeContract workWork at officeLocal areaRemote work- We’re looking for a Senior Systems Administrator to support mission-critical applications and infrastructure for the DIA. This is a hands‑on Linux administration role where deep experience supporting enterprise systems will be especially valuable. Oracle experience is...SeniorFull time
- Senior Systems Administrator - Security Clearance Duration: Full time, salaried opportunity Government Security Clearance Requirements: Government security clearance required. TS/SCI. Must possess active clearance. Security+ certification required. Description : The...SeniorFull time
- We are seeking an experienced Senior Systems Administrator to support the lifecycle sustainment and modernization of mission-critical education, learning, and training applications supporting a Government enterprise. This role is ideal for an experienced systems administrator...SeniorFull time
$130k - $140k
...we’ve described you and your dream workplace, please apply and share in the many benefits and opportunities we offer. Senior Systems Administrator Seven (7) years of progressive experience in the field of Information Processing, six of which are specialized in numerous...SeniorFor contractors- ...Job Description Job Description Description: The role of the System Administrator includes supporting the implementation, troubleshooting, and upkeep of Information Technology (IT) systems. This involves overseeing the IT system infrastructure and associated processes...Senior
$150k - $200k
MTSI is seeking a Senior Systems Administrator - COMSEC Specialist whose primary function will be to lead/support development, testing and integration of advanced communication systems. This position will be located in the Washington DC area.Your essential job functions...SeniorContract work$110k - $115k
...digital age. TDI is seeking a Virtual Desktop Infrastructure Systems Administrator to support a DISA contract. The administrator will provide... ...active TS/SCI clearance. RESPONSIBILITIES: Provide Senior level expertise for Virtual Desktop Infrastructure (VDI)...SeniorPermanent employmentContract workWorldwide- ...enterprise hosting services Perform other duties as assigned Requirements Bachelor's degree in Computer Science, Information Technology, Systems Engineering, Engineering, or a related technical discipline Minimum of five (5) years of progressively responsible experience in...SeniorLocal areaRelocationVisa sponsorshipWork visa
- Position Overview JDEIS databases and systems must stay current, backed up, and available to support doctrine and education work. The Senior Systems Administrator provides database and systems administration across JDEIS applications, including backups after major updates...SeniorTemporary workFlexible hours
$164k - $200k
Belay Technologies is seeking a Senior System Administrator to join our intel team. Join a team providing Life Cycle Sustainment (LCS) and modernization activities for commercial and custom-developed education, learning, and training applications supporting the Government...Senior- ...paid holidays a year, including 2 personal holidays ~ Reimbursement for professional licensure Job Summary The Senior Systems Administrator ensures the reliability, performance, and security of our Windows infrastructure—both on-premises and in Azure. This...Senior
$164k - $200k
Belay Technologies is seeking a Senior System Administrator to join our intel team. You will support CNO Capabilities as a senior System Administrator and technical contributor responsible for sustaining and evolving a high-performance operational IT environment. This is...SeniorContract workWork at officeRelocation$78.6k - $160.2k
...training and more. Join us to drive positive, lasting change that moves missions and the government forward! You Are: The Senior Systems Administrator, oversees the management, security, and optimization of a mixed Windows and RedHat Linux environment hosted in AWS. This...SeniorLive inWork at officeLocal area
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