1,832 Results for

Security Administrator Jobs in Arlington, VA

Jobs

Fort Meade, MD

$130,000–$180,000 / year

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4 days ago

Baltimore, MD

$95,000–$114,000 / year

Partner with application and analytics teams (e.g., Glue, DBT, Databricks, Power BI, Looker) to deliver secure, performant integrations and reliable data products. OneMain Financial (NYSE: OMF) is the leader in offering nonprime customers responsible access to credit and is dedicated to improving the financial well-being of hardworking Americans.

4 days ago

Washington DC, DC

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Manage iOS and Android devices using enterprise MDM tools (MaaS360, Intune).

The MDM Administrator will oversee deployment, configuration, and support of mobile devices across the enterprise.

2 days ago

Washington, DC

Contractor

p>Manage and maintain the organization’s hybrid Exchange environment, including on premises Exchange Server and Exchange Online (Microsoft 365). Ensure reliable email services, security, and compliance across the enterprise.

3 days ago

Sterling, VA

Commercial Express HVAC is seeking a highly organized and detail-oriented HR & Office Administrator to support our growing team and help deliver an exceptional employee experience. The ideal candidate enjoys building positive relationships with employees, and can effectively balance multiple priorities while maintaining confidentiality and accuracy.

4 days ago

Quantico, VA

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Support the MCSC Acquisition Program Security Lead (APSL) 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.

Develop and update Program Protection Plans (PPP) as required by DoD Instruction 5000.83 and described in PDUSD Memorandum, “Document Streamlining – Program Protection Plan (PPP),” July 16, 2011 and the MCSC Acquisition Guidebook.

5 days ago

Bethesda, MD

$131,300–$237,350

June 24, 2026

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. 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.

1 day ago

Gaithersburg, MD

$107,900–$195,050

The ISSO is responsible for meeting regulatory and non-regulatory compliance (security best practices) demands, providing leadership over security assessment activities, working across system ownership and management organizations to test security controls, policies, and procedures, providing program management support, team leadership, and participating in and coordinating the support as needed for security assessment and activities The ISSO also manages and enforces government and corporate information security policies, provides training, and educates end users and program staff about proper security practices.

The ISSO conducts security and risk assessments as required using a range of security accreditation frameworks (e.g., NIST, RMF, Common Criteria, DoD, the Intelligence Community Directives (ICDs)), and works to mitigate risks by applying security controls effectively to achieve an acceptable degree of operational risk.

8 days ago

McLean, VA

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Review user’s requests for new or modified computer programs to resolve feasibility, cost and time required, compatibility with current system, and computer capabilities, analyze and outline steps required to develop programs, using structured analysis and design, plan, develop, test, and document computer programs, applying knowledge of applicable computer system/platform application. With its strong 55-year heritage and deep industry expertise, Capgemini is trusted by its clients to address the entire breadth of their business needs, from strategy and design to operations, fueled by the fast evolving and innovative world of cloud, data, AI, connectivity, software, digital engineering and platforms.

30+ days ago

Springfield, VA

Full time

5+ years of hands-on systems administration of Microsoft SQL Server (2016 - 2022) and enterprise server applications, specializing in Windows Server Failover Clustering (WSFC), Always On Availability Groups, SQL Server Management Studio (SSMS). 3+ years of experience managing SQL Server integrated within a Microsoft AD domain and forest, including service account security (gMSAs), Kerberos constrained delegation (SPNs), and DNS/DHCP configurations for multi-subnet clusters.

30+ days ago

Fort Belvoir, VA

$85,018–$160,000
Full time

Implementing and maintaining the organization's cybersecurity toolsets, such as endpoint security solutions (ESS), malware protection, network detection & response (NDR), and endpoint detection & response (EDR) . As a Cyber Tools Administrator, you'll play a pivotal role in protecting our digital assets and strengthening our security posture through proactive monitoring, analysis, and implementation of cutting-edge security solutions.

30+ days ago

Quantico, VA

$92,175–$124,000
Full time

The Navy Integrated Training Environment (NITE) System Administrator is responsible for administration, maintenance, and cybersecurity defense of all Navy Enterprise Tactical Training Network (NETTN) client and server infrastructure used to support enterprise-wide modeling and simulation applications and services for the NITE. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class.

30+ days ago

Fort Meade, MD

$69,885–$114,800
Full time

This role requires a strong understanding of various operating systems, networking principles, virtualization technologies, and cybersecurity best practices to ensure the reliability, availability, and integrity of mission-critical systems. 3 years relevant experience with Bachelors in related field; 1 year relevant experience with Masters in related field; or High School Diploma or equivalent and 7 years relevant experience.

30+ days ago

Fort Meade, MD

$87,990–$144,500
Full time

This role requires a strong understanding of various operating systems, networking principles, virtualization technologies, and cybersecurity best practices to ensure the reliability, availability, and integrity of mission-critical systems. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class.

30+ days ago

Arlington, VA

Full time

This role will be responsible for managing database operations across Linux servers, supporting replication through Oracle GoldenGate, and ensuring databases remain secure, available, and properly patched. The ideal candidate brings strong hands-on Oracle administration experience, can work effectively in a secure environment, and is comfortable supporting both ongoing operations and new database deployments.

22 days ago

Springfield, VA

$95,085–$130,000
Full time

Office SharePoint Server (MOSS) and Outlook Web Apps (OWA) 10 provide an enterprise platform 10 share and manage content, knowledge, and applications to empower teamworks quickly find information, and be able to collaborate across the organization. 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.

30+ days ago

Springfield, VA

$90,000–$105,000
Full time

System Administrator: 3 years relevant experience with Bachelors in related field; 1 year relevant experience with Masters in related field; or High School Diploma or equivalent and 7 years relevant experience. This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations.

30+ days ago

Springfield, VA

Full time

5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

30+ days ago

Fairfax, VA

$128,887–$184,124
Full time

HII - Mission Technologies is currently seeking a Senior Information System Security Officer (ISSO) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 10 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.

30+ days ago

Springfield, VA

$90,418–$170,000
Full time

Lead solution design and requirement decomposition, translating mission/business needs into technically sound ServiceNow designs (data model, workflows, integrations) . Experience translating business requirements into technical stories and acceptance criteria, facilitating requirements gathering sessions with stakeholders, and documenting users stories, functional requirements, process flows, and acceptance criteria.

30+ days ago

Chantilly, VA

$65,000–$75,000 / year

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. Preferred Qualifications: Prior experience supporting this customer Bachelors degree in any discipline #javelin Compensation Details: $65,000-$75,000 The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued.

30+ days ago

Chantilly, Virginia
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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.
30+ days ago

Herndon, VA
Remote
strong>Identity & Access Management (BTP IAS Security)
Hands-on experience with SAP BTP Identity Authentication Service (IAS) and Identity Provisioning Service (IPS) (required). ServiceNow Platform Administration
Perform daily administration and operational maintenance of ServiceNow instances (cloud and on-prem).
30+ days ago

Arlington, VA
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Skills: Must have proven customer service skills; strong organizational and record-keeping abilities; excellent attention to detail; computer literacy and proficiency; excellent oral and written communication skills; proficiency with Microsoft Office Suite and basic office technology; ability to prioritize and manage multiple administrative tasks; professional demeanor and customer service mindset.
Maintain Security department files and records, clearance periodic review roster, personnel security files, blank forms and supplies required by regulation and needed by the Security Department.
9 days ago

McLean, VA
li>Technical Support: Facilitate the adjudicative process by printing, scanning, and uploading documents to electronic files; respond to OGA clearance certification inquiries.
Administrative Support: Maintain and update records, conduct data entry, redact sensitive information, and protect PII using "need to know" principles.
30+ days ago

McLean, VA
p>The Senior Security Administrator serves as a high-level subject matter expert across diverse security functional areas, including polygraph, adjudication, and investigations.
Customer Liaison: Serve as a role model in anticipating customer needs; respond to inquiries regarding pending case statuses and complex clearance certifications.
30+ days ago

Washington
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HCRC is seeking an Senior SystemSecurity Administrator to join our team and contribute to the success of our mission-critical security operations. Human Capital Resources and Concepts Inc. (HCRC) is a consulting firm that specializes in resource management capabilities that are utilized in all federal organizations.
15 days ago

McLean, VA
This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal’s “50 Best Places to Work” list as well as being a “Great Place to Work” certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. About Xcelerate Solutions: Founded in 2009 and headquartered in McLean, VA, Xcelerate Solutions (www.xceleratesolutions.com) is one of America's fastest-growing companies.
8 days ago

McLean, VA
This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal’s “50 Best Places to Work” list as well as being a “Great Place to Work” certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. The Senior Security Administrator serves as a high-level subject matter expert across diverse security functional areas, including polygraph, adjudication, and investigations.
8 days ago

McLean, VA
Minimum Requirements: Education/Experience: Bachelor's Degree + 3 years of experience OR High School Diploma/GED + 5 years of relevant experience. Mentorship: Coach and mentor Developmental level personnel; assist in developing materials for informal office training sessions.
25 days ago

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

McLean, VA
Minimum Requirements: Education/Experience: Bachelor’s Degree + 3 years of experience OR High School Diploma/GED + 5 years of relevant experience. Mentorship: Coach and mentor Developmental level personnel; assist in developing materials for informal office training sessions.
28 days ago

Annapolis Junction, Maryland
$122,000–$253,000 / year
This position is designed for an experienced security professional who thrives in high-visibility environments, operates with minimal oversight, and brings deep technical expertise to enterprise security challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization.
30+ days ago

Baltimore, MD
$101,034–$166,502 / year
The successful candidate will collaborate with the Information Security (InfoSec) team to ensure the confidentiality, integrity, and availability of all Workday-related data, protecting sensitive financial, HR, and operational information from internal and external threats, and ensuring compliance with all relevant City, State, and Federal regulations. Security Architecture: Design and manage Workday landscape security, including client/instance hardening, transport security, interface security, and secure configuration of gateway and message server services.
30+ days ago

Washington, DC
$146,000–$194,000 / year
To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. Anduril's Factory Systems team is looking for a Operational Technology (OT) Cybersecurity Specialist to focus on building world class defensive controls to protect the infrastructure around our advanced defense technology products.
30+ days ago

Alexandria, VA
p>The position requires expertise in both platform engineering and operational configuration, including backend system administration, data ingestion pipelines, and front-end configuration such as dashboards, alerts, visualizations, and reporting used by cybersecurity analysts and Security Operations Centers (SOC).
Design, deploy, and administer enterprise SIEM platforms (e.g., Elastic Stack, Splunk), including scalable architecture, clustering, high availability, secure configuration (RBAC, authentication), and full lifecycle management in both connected and air-gapped environments.
30+ days ago

Fort Belvoir, VA
$77,600–$176,000 / year
p>As a system administrator and cyber analyst on our project, you'll install, configure and manage RHEL and Windows operating systems to ensure that they meet operator needs while also being compliant with Risk Management Framework (RMF) and NETCOM requirements.
Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
15 days ago

Reston, VA
Request and Reporting System requests; verify accesses; obtain approvals, and serve as a liaison between users and other support offices to resolve/fulfill IT and access administration problems/requirements). Coordinate projects with appropriate service proviclers and customers, identify/resolve project issues, and keep customers/project team members informed of projects' statuses.
30+ days ago

Ft. Meade, Maryland
$150,000–$215,000 / year
Overview:
System Administrator Level 2 (Infrastructure Security).
Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
30+ days ago

Ft. Meade, Maryland
$150,000–$215,000 / year
Overview:
System Administrator Level 3 (Infrastructure Security).
Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
30+ days ago

Vienna, VA
The administrator will own the CI/CD pipeline for Salesforce deployments using Salesforce DX and GitHub Actions, manage sandbox and environment strategy, enforce security configurations aligned with FedRAMP and NTIA/DOC ATO requirements, and serve as the primary administrator for OwnBackup data protection. Security Configuration & Compliance: Implement and maintain Salesforce security configurations including profiles, permission sets, permission set groups, sharing rules, field-level security, session settings, MFA enforcement, and enhanced domain configurations.
30+ days ago

Baltimore, MD
$75,520–$113,280 / year
As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises.
30+ days ago

Tysons, VA
As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises.
30+ days ago

Chantilly, VA
Assist with development and implementation of a Security Education and Training Awareness program and develop security education bulletins, directives, security plans, procedures and controls as required to ensure Government-wise awareness of SAP and SCI protection requirements. If you have the courage to take on a wide variety of complex challenges, then you will experience a unique working environment where innovative teams blend different perspectives, disciplines, and technologies to discover new ways of solving complex problems.
30+ days ago

Washington, DC
$95,000–$104,000 / year
For over 25 years, CS has been a trusted partner for the Federal Aviation Administration (FAA), Department of Homeland Security (DHS), Department of Justice (DOJ), Department of Defense (DoD) and other federal agencies delivering vital IT, security, and project management services. This role is responsible for administering and securing enterprise email gateway systems, with a focus on Cisco Email Security Appliance (ESA) and Microsoft 365 in a hybrid messaging environment.
21 days ago

DC
li>Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems, and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups. We secure the facilities and networks of the world's leading brands and critical infrastructure and are recognized leaders in the physical and IT security, cyber, and managed services industries.
21 days ago

Vienna, VA
Security Expertise: Deep knowledge of Salesforce security model including profiles, permission sets, sharing rules, field-level security, session settings, MFA, and IP restrictions. Tools: Proficiency with Git/GitHub, VS Code with Salesforce Extensions, Salesforce Data Loader, JIRA, and OwnBackup or equivalent backup solutions.
30+ days ago

Rockville, MD
$89,261–$151,744 / year
Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. Administer and maintain AWS cloud infrastructure including ALB, EC2, S3, CloudFront, ECS, IAM, VPC, Route 53, Lambda, Systems Manager, CloudWatch, Config, Security Hub, GuardDuty, and AWS Backup.
22 days ago

Washington, DC
li class="x_MsoNormal">Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems, and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
Proven experience with Windows Administration, to include but not limited working knowledge of:
Windows Server Operating Systems.

18 days ago

Washington, DC
$153,700–$216,400 / year
Represents the organization and the FAA, as delegated before Congress, interagency working groups, executive-level forums, and federal, state, local, tribal, and territorial partners to provide testimony, strategic briefings, issue papers, and program updates on matters related to aviation security, emergency response, investigations, intelligence operations, law enforcement coordination, and security policy. Note: Applicants who are current members of the FAA Executive System (FAAES), Career Senior Executive Service (SES), individuals certified through successful completion of an OPM-approved SES Candidate Development Program (SESCDP), or those with Career SES reinstatement eligibility are not required to address the Executive Leadership Dimensions (ELDs).
30+ days ago

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Security Administrator Jobs in Arlington, VA

Linux Systems Administrator - TS/SCI-FSP clearance Jobot

Staff (Snowflake DBA) OneMain Financial

Mobile Device Management Administrator NuAxis Innovations

Exchange Online (EXO) Administrator Federal Reserve Board (SONA Networks, LLC)

HR & Office Administrator Commercial Express HVAC LLC

Program Security Analyst MANTECH

Senior Cloud Cyber Security Engineer Leidos

Information System Security Officer Leidos

Sr. ServiceNow Business Analyst Capgemini Government Solutions LLC

SQL Database Administrator - Majestic Company Confidential

Cyber Tools Administrator - Majestic Company Confidential

Systems Administrator 3 Company Confidential

Systems Administrator 2 - 23828 (FS Poly Required) Company Confidential

Systems Administrator 3 - 23829 (FS Poly Required) Company Confidential

Database Administrator - Secret Cleared Global TechPro, LLC

SharePoint Content Administrator Company Confidential

Systems Administrator Company Confidential

Hyperconverged Infrastructure (HCI) Systems Administrator Company Confidential

Information System Security Officer (Engineer Info Assurance 4) Company Confidential

ServiceNow Technical Business Analyst Company Confidential

Security Administrator Amentum Services Inc

Security Administrator Amentum

Senior ServiceNow Security Administrator with BTP IAS-Remote The Dignify Solutions, LLC

Chief Information Security Office - Security Administrator I Cna Corporation

Personnel Security Administrator - Junior w/ TS/SCI with FSP Xcelerate Solutions LLC

Personnel Security Administrator - Senior w/ TS/SCI with FSP Xcelerate Solutions LLC

Senior System Security Administrator Human Capital Resources and Concepts

Personnel Security Administrator – Junior w/ TS/SCI with FSP VMD Corp

Personnel Security Administrator – Senior w/ TS/SCI with FSP VMD Corp

Personnel Security Administrator - Mid w/ TS/SCI with FSP Xcelerate Solutions LLC

Security/Systems Administrator Nightwing Intelligence Solutions

Personnel Security Administrator – Mid w/ TS/SCI with FSP VMD Corp

Senior Security Administrator Nightwing Intelligence Solutions

Workday Security Administrator (NCS) - BCIT City of Baltimore

Operational Technology OT Security Administrator - Factory Systems Anduril Industries Inc

SIEM Administrator / Security Monitoring Engineer NANA Regional Corporation Inc

Systems Administrator and Security Analyst Booz Allen Hamilton Inc

Systems Administrator - Active Security Clearance Cadre

System Administrator Level 2 (Infrastructure Security) WOOD Consulting Services

System Administrator Level 3 (Infrastructure Security) WOOD Consulting Services

Salesforce Administrator (Security & DevOps) Halvik

PCD/TOC Security Systems Application Specialist (System Administrator 1)- Baltimore, MD M.C. Dean Inc

PCD/TOC Security Systems Application Specialist (System Administrator 1)- Tysons, VA M.C. Dean Inc

Senior Security Administrator Avantus Federal

Cisco IronPort Email Security Administrator Concept Solutions LLC

Physical Security System Administrator UNLIMITED TECHNOLOGY, INC.

Salesforce Administrator (Security & DevOps) H R PUNDITS INC

Systems Administrator - AWS Cloud Operations & Security (On-call) ICF International Inc

Physical Security System Administrator Unlimited Technology

Deputy Associate Administrator for Security & Intelligence U.S. Department of Transportation

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