1,663 Results for

Security Administrator Jobs in Chantilly, VA

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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

Oracle Database Administrator (DBA) NuAxis Innovations

Washington DC, DC

We are seeking an experienced Oracle Database Administrator / Developer to own the reliability, security, performance, schema governance, and database-development responsibilities of the Oracle tier supporting the modernized application. The role works closely with the Technical Lead and Middleware Engineer to ensure efficient data access without concentrating unnecessary business logic in the database.

30+ days ago

Senior Cloud Systems Administrator Credence

McLean, VA

$145,000–$160,000 / year
Quick Apply

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.

9 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.

3 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

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 .

22 days ago

IT Security Specialist PlanIT Group

Reston, VA

Quick Apply

Manages and administers a wide range of security systems and tools: o Administers cloud-based security tools such as, Azure Security Center (Sentinel, Log Analytics, Azure WAF, Defender for Identity, Privileged Identity Manager); Microsoft 365 Security Suite (Defender, Advanced Threat Protection, Cloud Application Security, Protection Portal); Microsoft Security and Compliance Center; Microsoft Endpoint Manager (Intune); multi-factor authentication (MFA); web content filtering; and secure document sharing and collaboration solutions. o Operates cloud-based security tools such as, Azure Security Center (Sentinel, Log Analytics, Azure WAF, Defender for Identity, Privileged Identity Manager); Microsoft 365 Security Suite (Defender, Advanced Threat Protection, Cloud Application Security, Protection Portal); Microsoft Security and Compliance Center; Microsoft Endpoint Manager (Intune); multi-factor authentication (MFA); web content filtering; and secure document sharing and collaboration solutions.

7 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.

10 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.

1 day 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.

7 days ago

Information Security Analyst Calibre Systems

Washington, DC

$89,000–$110,000 / year

The analyst will help maintain compliance with DoD, DISA, U.S. Cyber Command, MC&FP, NIST RMF, Zero Trust, STIG/SRG, ACAS, and eMASS requirements while supporting the attainment and sustainment of Government-issued Authorizations to Operate (ATOs). CALIBRE is an employee-owned mission focused solutions and digital transformation company, is looking for a highly qualified Journeyman Information Security Analyst to support a DoD client with enterprise cybersecurity for a large program serving military families.

7 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

Cyber Security Analyst - Sr. Consultant level Visa

Ashburn, VA

$152,200–$243,700 / year

Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. If you would like to join a company where security is truly valued, where you can work with like-minded peers who are passionate about the art & science of cyber defense, and where you can use state of the art tools for maximum impact, then we have a home for you.

8 days ago

Acquisition Program Security Analyst MANTECH

Quantico, VA

Support the PAE-MC Acquisition Program Security Officer Lead (APSOL) to ensure that all technology protection document development, updating, and staffing are accomplished as depicted in the Program’s Integrated Master Schedule (IMS) and as described in the Department of Defense Technology and Program Protection Guidebook and the MCSC Acquisition Security Guidebook. Strong ability to coordinate with the APSL for all outside agency (e.g., Marine Corps Intelligence Activity (MCIA), Naval Criminal Investigate Service (NCIS), Defense Counterintelligence and Security Agency (DCSA), etc.) support to the programs.

3 days ago

Security Administrator Amentum

Chantilly, Virginia

$31.25–$40.86 / hour

Our security administrators will provide a wide range of support functions that may include the following, depending on office assignment: customer service support, data entry, review of security clearance paperwork and relevant reports, redaction, file maintenance, filing, records management. Amentum is seeking security-minded individuals with attention to detail, strong communication and excellent customer service skills to join our team of security administrators providing support to personnel security vetting in a dynamic and challenging environment.

3 days ago

Security/Systems Administrator Nightwing Intelligence Solutions

Sterling, Virginia

$122,000–$253,000 / year

Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges.

30+ days ago

Splunk Enterprise and Enterprise Security Administrator Leidos Holdings Inc

Suitland, MD

$107,900–$195,050 / year

Leidos is seeking a Splunk Enterprise and Enterprise Security Administrator to maintain the NAVINTEL SIEM environment, engineer detection logic, develop dashboards, and support SOC operations to support our customer in Suitland, MD. 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.

29 days ago

Cyber Security Administrator Beyond SOF

District of Columbia

Stay updated on the latest cybersecurity threats and. Monitor network traffic for suspicious activity and respond.

30+ days ago

Senior PKI Security Administrator ECS Federal LLC

Washington, DC

$130,000–$160,000 / year

Supervise the PKI team, develop project requirements for complex and critical applications, provides sound strategic advice, technical expertise, and guidance to program and project staff. Review complex PKI and certificate-related issues, determine effective solutions, and recommend improvements to ensure efficient, reliable, and sustainable operations.

15 days ago

Security Administrator Chenega Naswik International, LLC

Washington, Washington, DC

Full time

The Security Administrator will work closely with government personnel, military members, and contractor staff to support personnel security processes, maintain security records, coordinate security training and briefings, and assist with day-to-day security program administration. Excellent verbal, written, and interpersonal communication skills, with the ability to communicate effectively with government personnel, military members, contractors, and senior leadership.

13 days ago

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Security Administrator Jobs in Chantilly, VA

Database Administrator (DBA) NuAxis Innovations

Oracle Database Administrator (DBA) NuAxis Innovations

Senior Cloud Systems Administrator Credence

Sr. SQL Database Administrator Leidos

SharePoint Farm Administrator Leidos

SharePoint Administrator Leidos

IT Security Specialist PlanIT Group

Senior Cloud Administrator (onsite) System One

Google Workspace Administrator System One

Unix/Linux Administrator System One

Information Security Analyst Calibre Systems

ServiceNow Administrator MANTECH

Cyber Security Analyst - Sr. Consultant level Visa

Acquisition Program Security Analyst MANTECH

Security Administrator Amentum

Security/Systems Administrator Nightwing Intelligence Solutions

Splunk Enterprise and Enterprise Security Administrator Leidos Holdings Inc

Cyber Security Administrator Beyond SOF

Senior PKI Security Administrator ECS Federal LLC

Security Administrator Chenega Naswik International, LLC

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