1,518 Results for

Security Administrator Jobs in Washington, DC

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Senior Principal Digital Engineer - DE & Kubernetes Tool Administrator Rite-Solutions Inc

Washington, DC

There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Collaborate with cross-functional teams, including systems engineers, software developers, and project managers, to ensure alignment and progress in digital engineering initiatives.

30+ days ago

Enterprise Application Administrator, Costpoint Boundary Applications KBR Inc

Columbia, MD

Working closely with senior team members, developers, and infrastructure teams, the Enterprise Application Administrator provides advanced troubleshooting, system administration, upgrade support, and access management while helping ensure application stability, security, and compliance across the enterprise. Our teams support defense, intelligence, space, aviation, cyber, and critical infrastructure missions, helping customers solve complex challenges across land, sea, air, space, and cyberspace.

30+ days ago

System Administrator 2/System Engineer1-BY-TW-08 Onyx Point

Hanover, Maryland

Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required. Additional Insurance: Basic Life/AD&D, Voluntary Life/AD&D, Short and Long-Term Disability, Accident, Critical Illness, Hospitalization Indemnity, and Pet Insurance .

7 days ago

Senior Network Administrator Digital Management LLC

Baltimore, MD

Education and Years of Experience: An Associate''s degree from an accredited college or university in Computer Science, Information Systems, Engineering or a related field; or Technical ''school certificate of completion in the data communications field including cable installation; or the equivalent military training. Provides in-person help desk computer/server troubleshooting support, to include investigating software related failures in addition to faulty computer components and peripherals (disk drives, motherboards, mice, printers, keyboards, etc.).

11 days ago

Sharepoint Backend Systems Administrator Leidos Holdings Inc.

Alexandria, VA

$92,300–$166,850 / year

The SharePoint Admin shall deploy, operate, and maintain SharePoint services, including load balancing, PKI authentication, and claims-based authentication as well as support site setup, permission management, troubleshooting, and service requests for customers as well as content and knowledge managers. The SharePoint System Administrator will support infrastructure services, operations, and maintenance across multiple enclaves of different classifications with remote administration for server farms located in centralized data centers.

19 days ago

Linux Automation Administrator Applied Information Sciences

Linthicum Heights, Maryland

Core Knowledge & Skills: Aligns infrastructure strategy to business goals, leads large projects, applies compliance frameworks, designs high availability/disaster recovery and performance optimization patterns, and shapes deployment pipeline design. Work & Complexity: Directs cross-team programs, performs advanced tuning, implements high availability/failover architectures, leads audits, plans growth, and manages budgets.

3 days ago

Secret Server Administrator - Active Ts/Sci With CI Poly ENS Solutions, LLC

Washington, DC

ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. To ensure a fair and equitable candidate evaluation based on individual skills, knowledge, and experience, candidates are not permitted to use artificial intelligence or other assistive tools during interviews, whether in person or virtual, unless explicit permission has been granted in advance.

30+ days ago

System Administrator (All Levels) Adaptic

Annapolis Junction, MD

Whether you're early in your career or leading system administration efforts across complex environments, we're looking for System Administrators at all levels who thrive on solving problems, improving performance, and ensuring reliability where it matters most. Supporting the DoD and Intelligence Community, you'll work on infrastructure that directly enables real-world operations.

30+ days ago

Splunk Administrator Leidos Holdings Inc

Suitland, MD

$107,900–$195,050 / year

Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. For 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 Senior Administrator Leidos Holdings Inc

Alexandria, VA

$92,300–$166,850 / year

30+ days ago

JIRA Developer / Administrator Leidos Holdings Inc

Arlington, VA

$107,900–$195,050 / year

The ideal candidate will bring expertise configuring Jira and Confluence, optimizing workflows, implementing automation, supporting data migrations, and ensuring process governance in highly collaborative, agile‑driven environments. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

30 days ago

Deputy Administrator District Of Columbia

Washington, DC

The Deputy Administrator provides strategic leadership for PACT, integrating privacy, records management, data governance, cybersecurity oversight, and AI accountability into a unified enterprise governance structure and advises the COO and Director on all matters involving responsible data use, privacy protection, cybersecurity risk, and the deployment and governance of AI and emerging technologies. Residency Requirement: If the position you are applying for is in the Career, Management Supervisory, or Educational Service at an annual salary of one hundred fifty thousand dollars ($150,000) or more, you must establish residency in the District of Columbia within one hundred eighty (180) days of the effective date of the appointment and continue to maintain residency within the District of Columbia throughout the duration of the appointment.

27 days ago

Linux Systems Administrators - All Levels Leidos Holdings Inc

Annapolis Junction, MD

$116,350–$210,325 / year

For 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. Our talented team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

30+ days ago

SharePoint Administrator Leidos Holdings Inc

Suitland, MD

$107,900–$195,050 / year

Basic Qualifications: 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. In this role, you will administer and support SharePoint environments across multiple classified networks, helping ensure systems remain secure, available, and optimized for the teams that rely on them.

22 days ago

Senior System Administrator Team Lead Leidos Holdings Inc

Alexandria, VA

$131,300–$237,350 / year

The Senior System Administrator Team Lead will work within a team engineers, developers and system administrators adding new capabilities to our enclaves, as well as ensuring the existing systems are secure and performing as intended. Manage configuration and maintenance of core enclave infrastructure services including DCHP, DNS, e-mail, Apache Web Servers, Tomcat application servers, Atlassian applications, MariaDB database servers.

20 days ago

Systems Administrator AlhurraTV

Arlington, VA

The Systems Administrator is responsible for providing IT support and systems administration for MBN's technology environment, including user support, desktops, laptops, servers, cloud services, applications, security tools, and related systems. Knowledge of cloud services, virtualization, backup systems, cybersecurity tools, and endpoint management.

14 days ago

ServiceNow Administrator Mid Level ELEVI Associates

Annapolis Junction, MD

Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Bachelor's degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required.

30+ days ago

Systems Administrator - OMS Science Applications International Corp

Arlington, VA

$80,001–$120,000 / year

The successful candidate will blend specialized messaging gateway expertise with core Windows systems administration, virtualization management, enterprise monitoring, and IT Service Management (ITSM) workflows within a high-tempo Network Operations Center (NOC) or Gateway Operations environment. Responsibilities: Administer, configure, and maintain enterprise organizational messaging platforms, such as Automated Message Handling System (AMHS), Enhanced Communications Gateway System (ECGS), SYNDEO Intelligent Gateway (SIG), Information Transport Systems (ITS), and Cross Domain Solutions (CDS).

9 days ago

Database Administrator - mid/senior level Mori Associates Inc

Washington, DC

As a trusted partner supporting the National Aeronautics and Space Administration (NASA), we are seeking talented Database Administrators (Levels I-III) to help modernize and transform a diverse portfolio of enterprise business applications that support NASAs mission. Youll engage with cutting-edge database technologies, collaborate with talented professionals, and play a key role in ensuring the reliability, security, and performance of enterprise database platforms.

9 days ago

System Administrator (SF) The Kenjya-Trusant Group , LLC

Annapolis Junction, MD

$130,000–$180,000 / year

Working with the Department of Defense, Department of Homeland Security, the Intelligence Community, state and local governments, and commercial clients, Kenjya-Trusant provides cyber protection, information technology, engineering, construction management and acquisition support services. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.

30+ days ago

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Security Administrator Jobs in Washington, DC

Senior Principal Digital Engineer - DE & Kubernetes Tool Administrator Rite-Solutions Inc

Enterprise Application Administrator, Costpoint Boundary Applications KBR Inc

System Administrator 2/System Engineer1-BY-TW-08 Onyx Point

Senior Network Administrator Digital Management LLC

Sharepoint Backend Systems Administrator Leidos Holdings Inc.

Linux Automation Administrator Applied Information Sciences

Secret Server Administrator - Active Ts/Sci With CI Poly ENS Solutions, LLC

System Administrator (All Levels) Adaptic

Splunk Administrator Leidos Holdings Inc

SharePoint Senior Administrator Leidos Holdings Inc

JIRA Developer / Administrator Leidos Holdings Inc

Deputy Administrator District Of Columbia

Linux Systems Administrators - All Levels Leidos Holdings Inc

SharePoint Administrator Leidos Holdings Inc

Senior System Administrator Team Lead Leidos Holdings Inc

Systems Administrator AlhurraTV

ServiceNow Administrator Mid Level ELEVI Associates

Systems Administrator - OMS Science Applications International Corp

Database Administrator - mid/senior level Mori Associates Inc

System Administrator (SF) The Kenjya-Trusant Group , LLC

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