4,011 Results for

Systems Administrator Jobs in Oxon Hill, MD

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Linux Systems Administrator - TS/SCI-FSP clearance Jobot

Fort Meade, MD

$130,000–$180,000 / year
Quick Apply

With a global customer base including all sectors, from Fortune 500 to up-and-coming startups, we over diverse product lines including, but not limited to, Cloud Services, Artificial Intelligence, Storage, Networking, Supercomputing, and Digital Transformation offerings. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

4 days ago

SharePoint Farm Administrator Leidos

Suitland, MD

$107,900–$195,050 / year

Proficient at IIS Management, Server Administration, Active Directory Operation (including LDAP queries), DNS Operations, SMTP, Network Load Balancing (NLB), Event Viewer and Performance Monitor, Powershell scripting and providing SharePoint support and developer training. In this role you will provide SharePoint Operations and Maintenance for Collaborative Services, Automated Business Processes, and related applications (currently SharePoint based) to fulfill the Hopper Information Services Center (ISC), Operations Department (ISC-N3), and Services Division (ISC-N33) SharePoint mission requirements.

30+ days ago

Database Administrator (DBA) NuAxis Innovations

Washington DC, DC

Support DB2-to-cloud/MySQL migration planning for Drupal/PACE modernization, including schema conversion, reconciliation, performance baselines, cutover, rollback, and post-migration validation. • Support database migration from legacy on-premises platforms to cloud-managed services, including schema conversion, data movement, and cutover planning.

30+ days ago

Sales Administrator Jobot

Fairfax, VA

$60,000–$80,000 / year
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Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This is an exciting opportunity for a professional to contribute to a growing company, by leveraging their expertise in lead generation, office space planning, workplace solutions, interior solutions, furniture, fixtures & equipment, and office systems.

6 days ago

ServiceNow Administrator MANTECH

Quantico, VA

Administer an on-premises version of ServiceNow, including activities such as (but not limited to) installation, configuration, maintenance, updates, harden (STIG), administer, train, and document ServiceNow branding, customization, and translating user requirements into functionality. MANTECH seeks a motivated, career and customer-oriented ServiceNow Administrator / Developer to join our team USMC Team in Quantico, VA.

4 days ago

Systems Engineer Leidos

Temple Hills, MD

$107,900–$195,050

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. • The candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology.

30+ days ago

LNG Plant Control Systems Technician/Sr LNG Plant Control Systems Technician BHE GT&S

Lusby, MD

$41.88–$72.31 / hour

The LNG Plant Control Systems Technician/Senior LNG Plant Control System Technician Distributed Control System (DCS) reports directly to the Supervisor-LNG Operations (Plant Controls System) and is a member of multi-disciplined team responsible for the safe, compliant and reliable operation and maintenance of a liquefied natural gas (LNG) import/export and re-gasification terminal Distributed Control System (DCS) including LNG process systems infrastructure, emergency response systems, power/steam generation rotating machinery and auxiliary control support systems. The LNG Plant Control Systems Technician/Senior LNG Plant Control System Technician (DCS) is responsible for maintaining, troubleshooting, repairing, and upgrading complex distributed control systems, associated process control/automation platforms and related control components that are typically found in large-scale industrial environments such as LNG terminals, power generation facilities, chemical and petrochemical plants, manufacturing operations, NGL processing facilities, cryogenic natural gas processing plants, and other hydrocarbon facilities.

6 days ago

Unix/Linux Administrator System One

Washington, DC

$150,000 / hour
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Design and maintain the enterprise patch and configuration management architecture (Red Hat Satellite, Ansible or Ansible Automation Platform), converting manual administrative work into automated, repeatable, version-controlled workflows. Author and maintain security hardening baselines aligned to CIS Benchmarks and applicable DISA STIGs; own vulnerability scan remediation and support FISMA and NIST SP 800-53 control implementation, POA&M closure, and audit evidence.

12 days ago

Subcontracts Administrator Calibre Systems

Alexandria, VA

$85,000–$95,000 / year

CALIBRE is an employee-owned mission focused solutions and digital transformation company, is seeking a detail-oriented Subcontracts Administrator to perform a full range of subcontract and purchasing functions. The Subcontracts Administrator will be responsible for owning the full lifecycle of subcontract administration including, subcontract agreements, task orders, consulting agreements and purchase orders.

12 days ago

Sr. SQL Database Administrator Leidos

Alexandria, VA

$107,900–$195,050 / year

This includes database design, database structure identification, database schema definition, database access privilege management, database query optimization, documentation, database instance upgrades, long-range requirements, operational guidelines, and database protection. Conducts database design, database structure identification, database schema definition, database access privilege management, database query optimization, documentation, database instance upgrades, long-range requirements, operational guidelines, and database protection.

8 days ago

Compensation Administrator Sparks Group

New Carrolton, MD

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Key Responsibilities Strategic Business Partnership: Build collaborative relationships with assigned business units to consult on salary benchmarking, pay equity, compression, job restructuring, career pathing, new hire salary offers, and variable pay design. Job Summary/Company : Sparks Group has partnered with a tri-jurisdictional organization seeking a Compensation Administrator partnering directly with business units, coaching leadership on pay practices, and managing the high volume of position reclassifications.

4 days ago

Receptionist/Office Administrator Sparks Group

Chantilly, VA

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Download the Sparks Group mobile app from Apple App Store or Google Play . Job Summary/Company : Are you looking for a professional Receptionist/Office Administrator role and work/life balance?

12 days ago

Lead Systems Engineer Leidos

Washington, DC

$107,900–$195,050

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 22, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

30+ days ago

SharePoint Administrator Leidos

Suitland, MD

$107,900–$195,050 / year

Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field with 8+ years of relevant experience, or a master’s degree with 6+ years of relevant experience. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .

27 days ago

Senior Cloud Administrator (onsite) System One

Washington, DC

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We're seeking a talented Senior Cloud Administrator to help architect, deploy, and manage our AWS platforms while supporting emerging AI capabilities and modern containerized workloads. Join our Cloud Architecture and Administration team at the forefront of secure, innovative cloud infrastructure for one of the nation's most critical institutions.

Today

Business Applications System Admin System One

Washington, DC

$58.25–$68 / hour
Quick Apply

Participate in change management processes, ensuring smooth transitions when new versions or configurations are implemented. • 3-5 years of experience in administering business applications, specifically iManage, eRooms, Confluence, and Jira, or similar systems in an enterprise environment.

5 days ago

Google Workspace Administrator System One

Washington, DC

$35–$40 / hour
Quick Apply

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Security Clearance: Public Trust suitability + OPM FBI fingerprint criminal background check with financial/credit review.

6 days ago

Dialysis Facility Administrator U.S. Renal Care

Brandywine, MD

Continuously monitor to ensure that a safe and sanitary physical environment is maintained throughout the facility; that all equipment is maintained and functions properly; and that adequate and appropriate inventory levels of all supplies are available and used correctly. STAFF DEVELOPMENT/ RETENTION Ensure all staff meet required qualifications for position held and perform duties within limitations established by and in accordance with company policy/procedures, health care professionals practice acts, applicable state and federal laws and regulations.

30+ days ago

Cyber Systems Administrator / Principal Cyber Systems Administrator (TS/SCI) Northrop Grumman Corp

Elkridge, MD

$79,600–$119,400 / year

Basic Qualifications Cyber Systems Administrator: Bachelor's degree plus 2 years of relevant experience; Master''s degree plus 0 years of relevant experience NOTE: Four (4) years of additional relevant experience can be substituted in place of a degree. Experience troubleshooting and configuring Windows operating systems and Windows Server environments, including Active Directory, DHCP, GPOs, DNS, LDAP, MS Exchange, MECM (Microsoft Endpoint Configuration Manager), MSSQL, and/or WSUS.

27 days ago

Windows Systems Administrator Johns Hopkins University Applied Physics Laboratory LLC

Laurel, MD

As a Windows Systems Administrator you will: Design, implement, configure, and optimize complex computing environments and infrastructure services, including multiple DCSA-accredited classified information systems, Windows Active Directory, virtualization, system security applications, and integrated Linux and Windows operating systems. Serve as a technical resource and advisor to project teams, engineers, cybersecurity personnel, and leadership, working directly with program and project managers and internal technical resources to define requirements, procure materials, and establish goals and milestones for new and existing information systems.

6 days ago

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Systems Administrator Jobs in Oxon Hill, MD

Linux Systems Administrator - TS/SCI-FSP clearance Jobot

SharePoint Farm Administrator Leidos

Database Administrator (DBA) NuAxis Innovations

Sales Administrator Jobot

ServiceNow Administrator MANTECH

Systems Engineer Leidos

LNG Plant Control Systems Technician/Sr LNG Plant Control Systems Technician BHE GT&S

Unix/Linux Administrator System One

Subcontracts Administrator Calibre Systems

Sr. SQL Database Administrator Leidos

Compensation Administrator Sparks Group

Receptionist/Office Administrator Sparks Group

Lead Systems Engineer Leidos

SharePoint Administrator Leidos

Senior Cloud Administrator (onsite) System One

Business Applications System Admin System One

Google Workspace Administrator System One

Dialysis Facility Administrator U.S. Renal Care

Cyber Systems Administrator / Principal Cyber Systems Administrator (TS/SCI) Northrop Grumman Corp

Windows Systems Administrator Johns Hopkins University Applied Physics Laboratory LLC

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