IT Security Administrator Jobs in Washington

1 - 20 of 1,076 Jobs

IT Security AdministratorJob Title - IT Security Administrator

SAICCompany Name - SAIC

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Reston, Virginia, USA

Full-time

Job ID: 2501700 Location: RESTON, VA, US Date Posted: 2025-03-27 Category: Information Technology Subcategory: IT Security Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems development & deployment, targeting & intelligence analysis, systems engineering & integration, and training capabilities and solutions fo

IT Security AdministratorJob Title - IT Security Administrator

SAICCompany Name - SAIC

•

Reston, Virginia, USA

Full-time

Job ID: 2500213 Location: RESTON, VA, US Date Posted: 2025-01-07 Category: Information Technology Subcategory: IT Security Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems development & deployment, targeting & intelligence analysis, systems engineering & integration, and training capabilities and solutions fo

Systems Administrator / IT Security Support SpecialistJob Title - Systems Administrator / IT Security Support Specialist

Modern Technology SolutionsCompany Name - Modern Technology Solutions

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Chantilly, Virginia, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a Systems Administrator / IT Security Support Specialist to join our small but highly empowered team in Chantilly, VA. You will provide System Administration and Accreditation support in a classified cloud environment. This position requires a TS/SCI Clearance with a current CI Polygraph to start. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to o

Information Security Administrator - CSIRTJob Title - Information Security Administrator - CSIRT

SalesforceCompany Name - Salesforce

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McLean, Virginia, USA

Full-time

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Enterprise Technology & Infrastructure Job Details About Salesforce We're Salesforce, the Customer Company, inspiring the future of business with AI+ Data +CRM. Leading with our core values, we help companies across every industry blaze new trails and connect with customers in a whole new way. And, we empower you to be a Trailblazer,

Endpoint Security Administrator (secret clearance)Job Title - Endpoint Security Administrator (secret clearance)

Judge Group, Inc.Company Name - Judge Group, Inc.

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Chantilly, Virginia, USA

Full-time

Location: Chantilly, VA Description: The Judge Group is currently seeking an Endpoint Security Administrator with an active secret clearance and Security+ to support a classified customer. For immediate consideration email your resume to - Robbie Kissinger Seeking a proactive and skilled Endpoint Security Administrator to oversee the security of the organization's endpoint devices, including laptops, desktops, and other endpoints. The successful candidate will be responsible for with defini

Endpoint Security Administrator (Trellix)Job Title - Endpoint Security Administrator (Trellix)

Chenega MIOSCompany Name - Chenega MIOS

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Oakton, Virginia, USA

Full-time

Req ID: 35943 Summary Endpoint Security Administrator Oakton, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your care

DevOps Systems Administrator, TS/SCI with a Full Scope Polygraph Security Clearance is Required - GJob Title - DevOps Systems Administrator, TS/SCI with a Full Scope Polygraph Security Clearance is Required - G

Next Step SystemsCompany Name - Next Step Systems

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Maryland, USA

Full-time

DevOps Systems Administrator, TS/SCI with a Full Scope Polygraph Security Clearance is Required, Annapolis Junction, MD The DevOps Systems Administrator must have 10 years of experience as a Systems Administrator. The DevOps Systems Administrator must have an active TS/SCI with a Full Scope Polygraph Security Clearance. This position is 100% Onsite and not Remote. DevOps Systems Administrator Responsibilities: - Provide support for implementation, troubleshooting and maintenance of Information

ServiceNow Certified Systems Administrator (CSA), TS/SCI with a Full Scope Polygraph Security Clearance Required - GJob Title - ServiceNow Certified Systems Administrator (CSA), TS/SCI with a Full Scope Polygraph Security Clearance Required - G

Next Step SystemsCompany Name - Next Step Systems

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Maryland, USA

Full-time

ServiceNow Certified Systems Administrator (CSA), TS/SCI with a Full Scope Polygraph Security Clearance Required, Annapolis Junction, MD We are seeking an experienced ServiceNow Certified Systems Administrator to join the team in support of Federal Government clients. As the ServiceNow Certified Systems Administrator, you will be responsible for maintaining and optimizing ServiceNow instances, ensuring system performance, and implementing new features and functionalities. The qualified Service

ServiceNow Certified Systems Administrator (CSA), TS/SCI with a Full Scope Polygraph Security Clearance Required - GJob Title - ServiceNow Certified Systems Administrator (CSA), TS/SCI with a Full Scope Polygraph Security Clearance Required - G

Next Step SystemsCompany Name - Next Step Systems

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Maryland, USA

Full-time

Site Systems Security AdministratorJob Title - Site Systems Security Administrator

PeratonCompany Name - Peraton

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Herndon, Virginia, USA

Full-time

Responsibilities Job Description: Peraton is seeking an experienced senior Site Systems Security Administrator to join our national intelligence program that delivers engineering, application development, deployment, operations, upgrades and sustainment of products and services to achieve our client's global missions. Responsibilities: Implement and maintain security measures across IT systems, to include firewalls, intrusion detection systems, antivirus software, and other security protocols t

Network Security Administrator - Senior (Government)Job Title - Network Security Administrator - Senior (Government)

AT&T Inc.Company Name - AT&T Inc.

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McLean, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is located at customer's site. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. Our National

IT Analyst / Systems AdministratorJob Title - IT Analyst / Systems Administrator

Modern Technology SolutionsCompany Name - Modern Technology Solutions

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Fort Belvoir, Virginia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a IT Analyst/Systems Administrator in Ft. Belvoir, Va. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the

IT System AdministratorJob Title - IT System Administrator

Chenega MIOSCompany Name - Chenega MIOS

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Washington, District of Columbia, USA

Full-time

Req ID: 35906 Summary IT System Administrator Washington, DC Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career t

IT Engineer - Microsoft Enterprise Systems Administrator Advisor, TS/SCI with PolygraphJob Title - IT Engineer - Microsoft Enterprise Systems Administrator Advisor, TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: DNS, Dynamic Host Configuration Protocol (DHCP), Microsoft (MS) Active Directory (AD), Windows 10 Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: General Dynamics Information Tech

Information Technology Specialist (Information Security)Job Title - Information Technology Specialist (Information Security)

U.S. Marine CorpsCompany Name - U.S. Marine Corps

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Quantico, Virginia, USA

Full-time

Summary Marine Corps Community Services (MCCS) is looking for the best and brightest to join our Team! MCCS is a comprehensive program that supports and enhances the quality of life for Marines, their families, and others in the Marine Corps Community. We offer a team oriented environment comprised of military personnel, civilian employees, contractors and volunteers who keep the organization functioning smoothly and effectively. This job is open to The public U.S. Citizens, Nationals or thos

IT Engineer - Microsoft Enterprise Systems Administrator Advisor, TS/SCI with PolygraphJob Title - IT Engineer - Microsoft Enterprise Systems Administrator Advisor, TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Fort Belvoir, Virginia, USA

Full-time

IT Engineer - Microsoft Enterprise Systems Administrator Advisor, TS/SCI with PolygraphJob Title - IT Engineer - Microsoft Enterprise Systems Administrator Advisor, TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Fort Belvoir, Virginia, USA

Full-time

Systems Administrator (IT Program Services)Job Title - Systems Administrator (IT Program Services)

NightwingCompany Name - Nightwing

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Annapolis, Maryland, USA

Full-time

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. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Systems Administrator II, IT InfrastructureJob Title - Systems Administrator II, IT Infrastructure

tax.comCompany Name - tax.com

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Remote or Manila, Metro Manila, Philippines

Full-time

Why Ryan? Flexible Work EnvironmentAward-Winning CultureWorld-Class Benefits and CompensationAccelerated Career PathCommunity OutreachMentorship OpportunitiesWellness-Centric Benefits The Systems Administrator II maintains and manages server computing and storage platforms, including, but not limited to, installation, configuration, preventive maintenance, operation, and problem-resolution activities. Duties and Responsibilities, as they align to Ryan's Key Results People: Create a positive te

IT Security AnalystJob Title - IT Security Analyst

Synapse Business SystemsCompany Name - Synapse Business Systems

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Washington, District of Columbia, USA

Full-time

IT Security Analyst Washington DC Hybrid Responsibilities: Lead a team of security tool administrators responsible for the management and operation of key security technologies, including but not limited to AV / EDR, DLP, Web Proxy, Email Security, IDPS, and SIEM Technologies. Oversee deployment, update, and upgrade plans for security tools and execute tasks accordingly. Evaluate routine health checks reports, maintenance activities, updates, upgrades, and implementation of new capabilities. Tr