Senior Systems Administrator
Jobtailor
Responsibilities Support the National Programs Intelligence Systems & Application Operating Unit. Oversee and manage both virtual and physical servers for enterprise, regional, and local systems. Install, configure, document, maintain, and support server environments hosting mission‑critical applications and infrastructure services. Perform Operations and Maintenance tasks. Monitor and optimize system performance. Ensure systems and databases meet security standards and comply with relevant regulations. Provide Tier 1 and Tier 2 support for troubleshooting, diagnosing, and resolving system and database issues. 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 ensuring compliance with security standards. Proficient in managing server environments and providing support for mission‑critical applications and infrastructure services. #J-18808-Ljbffr Jobtailor
$105k - $155k
...Mid This opportunity resides with Warfare Systems (WS), a business group within HII’s... ...contacted about an opportunity. Systems Administrator 3: $105,000 - $145,000Systems Administrator... ...,000What you will doYou will serve as a senior technical resource responsible for administering...SeniorFull timeWork experience placementLocal areaWorldwide- ...Qualifications Installation, configuration, maintenance, and administration of Active Directory. Be comfortable updating and... ...scanning, Tanium, and local security policies, while maintaining system efficiency, maintainability, and supportability. Install and configure...SeniorWork experience placementLocal area
- ...Senior Systems Administrator The company is looking for an amazingly talented Senior Systems Administrator to join our team! In this role you will get to manage Windows Active Directory environments, hypervisors, Linux and Windows virtual machines. What You'll Be...SeniorFlexible hours
$85k - $130k
...we've described you and your dream workplace, please apply and share in the many benefits and opportunities we offer. Senior Systems Administrator Ensures the stable operation of DLA's computer software systems and network connections. This includes planning,...SeniorFor contractorsLocal areaRemote work- ...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
- ...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
- ...Specific Essential Duties and Responsibilities: - Provide senior-level administration and operational support for ServiceNow ITSM and ITOM... ...workflows, integrations, user roles, access controls, and system enhancements within the ServiceNow platform to improve automation...SeniorMinimum wageContract workTemporary workWork experience placementRemote work
- ...technical planning, testing, and execution of complex system upgrades, including operating systems,... ...advisories) and ensure timely remediation. - Provide senior-level technical support and guidance to system administrators, serving as an escalation point for complex...SeniorMinimum wageContract workTemporary workWork experience placementRemote work
- ...Senior Systems Administrator Securiport LLC is a U.S. company based in Reston, VA, specializing in the design and implementation of passenger biometric recognition, immigration processing, and intelligent information reporting and management systems based on advanced...SeniorContract workLocal areaMonday to Friday
$135k - $216k
ResponsibilitiesWe are seeking a Senior Cloud Systems Administrator in Herndon, VA to support the SITE III DO contract within our National Programs Business Intelligence Systems & Applications Operating Unit. This role supports mission-critical applications and services...SeniorFull timeContract workFlexible hoursShift work$96.12k - $182.4k
...State Applicants. POSITION SPECIFICSWe are searching for a Systems Administrator to join the Reston, VA location of the Digital Engineering... ...CERTIFICATIONSIf filled as IT Platform Administrator (ARL) - Senior Professional, this position requires: Bachelor's Degree 6+ years...SeniorFull timeFor contractorsWork experience placementWork at officeImmediate startRemote work- ...safety and security. Make an impact by using your expertise to protect our country from threats. Job Description Senior Systems Administrator Transform technology into opportunity as a Senior Systems Administrator with GDIT. A career in enterprise IT means...Senior
- Responsibilities Support the National Programs Intelligence Systems & Application Operating Unit. Install, configure, and maintain... ...with 3+ years of experience. Proven experience in system administration, specifically with Linux, including RHEL and Ubuntu, and UNIX...Senior
- The Senior Systems Administrator (Okta) is responsible for the stable operation, administration, and maintenance of the DLA Okta environments, including user management, configuration, integration, and Tier III technical support. This role ensures secure access and optimal...SeniorLocal area
- Support the National Programs Intelligence Systems & Application Operating Unit. Orchestration, sustainment, and evolution of a portfolio... ...with 3+ years of experience. Proven experience in system administration, specifically with Linux, including RHEL and Ubuntu, and UNIX...Senior
- We are searching for a Systems Administrator to join the Reston, VA location of the Digital Engineering Department in the Cyber, Modeling, and Simulation Division of the Information Advantage Office at the Applied Research Laboratory (ARL) at Penn State. You will maintain...SeniorWork at officeImmediate start
- ...Level: Not SpecifiedTravel Percentage: Occasionally Job Shift: DayJob Category: Professional Services BMA is seeking a Systems Administrator- Senior (Okta) to join our team. This is a fully remote role. Job Summary Ensures the stable operation, maintenance, and optimization...SeniorTemporary workLocal areaRemote workShift work
- Employment Type Full Time, Senior-level Department Legal/IT Overview 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 people...SeniorFull timeContract workFor contractorsWork at office
- Position Name : Senior System Administrator Location : Springfield, VA Clearance Required : TS/SCI with CI Scope Poly Work Schedule : Monday-Friday, within 5:00 AM - 9:00 PM EST window Employment Type : Full-Time Position Overview The GEODS program is seeking a highly skilled...SeniorFull timeContract workMonday to Friday
$150k - $180k
...addition to other position specific requirements which may impact salary Position Overview Amatriot is seeking an experienced Senior Systems Administrator to support the National Programs Intelligence Systems & Application Operating Unit. The SITE III ITS Task Order effort...SeniorFull timeLocal areaWeekend work- 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. CGS brings motivated, highly skilled, and creative...SeniorFull timeWork at officeFlexible hours
$120k - $200k
...organization, are curious and eager to learn, and want to help drive our programs forward. Scout is seeking a skilled Senior IT Systems Administrator to lead the design, implementation, and management of our internal IT systems as we transition from third-party managed...SeniorPermanent employmentRemote workWork from homeRelocationFlexible hours$120k - $175k
...Responsibilities & Qualifications We are seeking a Senior Systems Administrator REQUIRED QUALIFICATIONS Experience Seven (7) years of progressive experience in the field of Information Processing, six of which are specialized in numerous specialized Information...SeniorFull timeContract workTemporary workLocal areaRemote workMonday to FridayWeekend workDay shiftAfternoon shift- ...August 2025 Application Deadline: 29 August 2025 Department: Systems Engineering Location: Headquarters Description Aireon... ...Operating within the Aireon Network Engineering Group, the Senior Systems Administrator is responsible for helping to set up, maintain and manage...SeniorPermanent employmentFull timeTemporary workFor subcontractorWork at officeRemote workFlexible hours
- ...Job Description Job Description Microsoft System Administrator - Senior - #881 Location: Fort Belvoir, VA TS/SCI w/CI Poly REQUIRED Experience: Eight years of progressively responsible experience in server administration, including supporting and managing...SeniorImmediate start
- Revolutional is seeking an experienced SME Systems Administrator to support the Department of Homeland Security (DHS). This role provides advanced technical leadership and mission-critical support for secure, 24/7 systems across multiple locations, including COOP readiness...Senior
- Ariel Partners in Fairfax, Virginia is seeking a Senior Systems Administrator specialized in Okta to ensure stable operation and technical support of the DLA Okta environments. The role involves user management, configuration, maintenance, and providing Tier III support...Senior
- Kaimetrix is seeking a System Administrator - Level III to support enterprise IT systems in a secure, mission-critical environment at Fort Belvoir, Virginia. The ideal candidate will have at least 6 years of progressive experience and relevant certifications, ensuring...Senior
- Kaimetrix is seeking a System Administrator - Level IV to lead IT infrastructure management in secure environments. This role requires at least 10 years of system administration experience and a bachelor's degree in IT or related fields. Candidates should have advanced...Senior
- ...Job Description Job Description Senior Microsoft System AdministratorFt. Belvoir, VA At IPT Associates (IPTA), we enjoy solving real-... ...requirements and organizational needs.* Responsibilities:Perform administration and maintenance of Windows-based servers, including daily...SeniorContract work
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