2,908 Results for

Systems Administrator Jobs in Dulles, VA

Jobs

Senior Cloud Systems Administrator Credence

McLean, VA

$145,000–$160,000 / year
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This role requires a professional who is equally comfortable managing Windows-based infrastructure, supporting Linux systems, and implementing modern DevOps practices to improve system reliability, scalability, and operational efficiency. Credence has an immediate openiing for a highly skilled Senior Cloud Systems Administrator to support the Enterprise Sourcing, Medical and Contingency (ESMC) Portfolio Hosting Support Contract.

14 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
Quick Apply

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

Unix/Linux Administrator System One

Washington, DC

$150,000 / hour
Quick Apply

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

Lead Systems Engineer Leidos

Burke, VA

$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

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

HR Administrator YRCI

Reston, VA

Temporary
Quick Apply

Handle all onboarding processes, including entry of offer letters, drafting contingent job offers, new hire initiation in HR Information Systems (HRIS) system, preparing orientation materials, facilitate a smooth employee integration, and conducting new hire orientation. Handle all out-processing tasks, including drafting separation letters and ensuring state-compliant documentation is accurately administered, and data entry action items.

7 days ago

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

Senior Cloud Administrator (onsite) System One

Washington, DC

Quick Apply

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

Sr. System and Network Engineer (on-site) CFS

Chantilly, VA

$120,000–$130,000 / year

This individual will serve as a key technical resource supporting Microsoft 365, Azure, networking, and security initiatives in a modern SaaS-focused environment. This is an excellent opportunity for a hands-on cloud infrastructure professional seeking autonomy, visibility, and the opportunity to help drive technology initiatives in a collaborative environment.

11 days ago

Contracts Administrator CFS

Reston, VA

$70,000–$75,000 / year

Partner with procurement, vendor management, and operations teams to ensure data accuracy. You'll help ensure critical vendor and contract information is accurate, organized, and ready for use in new business applications.

11 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

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

Program Administrator Cherokee Federal

Fort Belvoir, VA

Cherokee Strategic Edge, LLC, a leading provider of intelligence solutions, is seeking a highly experienced Program Administrator to support a global training effort supporting the U.S. Army Intelligence and Security Command (INSCOM). Performs ad hoc and recurring business analytic support that includes, but is not limited to, business process mapping of intelligence-related activities, performance measures of intelligence–related activities, surveying stakeholders, statistical analysis of intelligence-related activities, and process improvement analysis.

2 days ago

ServiceNow Developer Credence

McLean, VA

$141,000–$185,000 / year
Quick Apply

This role partners with stakeholders, system administrators, and cross-functional teams to deliver scalable applications, workflows, and integrations while supporting platform modernization and process automation. Design, develop, customize, and deploy ServiceNow applications, modules, workflows, forms, and user interfaces to support business and operational requirements.

13 days ago

Proposal Specialist DCS Corporation

Alexandria, VA

The ideal candidate will be skilled across all phases of proposal development and demonstrate the ability to work effectively within cross‑organizational teams to produce high‑quality solutions and highly rated proposals. DCS Corporation is seeking an experienced Proposal Specialist to support the development of complex proposals in response to U.S. Government Department of War (DoW) and other government agency solicitations.

4 days ago

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Systems Administrator Jobs in Dulles, VA

Senior Cloud Systems Administrator Credence

SharePoint Farm Administrator Leidos

Database Administrator (DBA) NuAxis Innovations

Sales Administrator Jobot

ServiceNow Administrator MANTECH

Systems Engineer Leidos

Unix/Linux Administrator System One

Subcontracts Administrator Calibre Systems

Lead Systems Engineer Leidos

Sr. SQL Database Administrator Leidos

HR Administrator YRCI

Business Applications System Admin System One

Senior Cloud Administrator (onsite) System One

Sr. System and Network Engineer (on-site) CFS

Contracts Administrator CFS

SharePoint Administrator Leidos

Google Workspace Administrator System One

Program Administrator Cherokee Federal

ServiceNow Developer Credence

Proposal Specialist DCS Corporation

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