IT Security Administrator Jobs in Washington

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Database Administrator

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Database Administrator LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY Are you passionate about managing and optimizing data systems to ensure seamless performance and reliability? We are seeking a dedicated Database Administrator to join our team and play a key role in maintaining and enhancing our database environments. In this position, you'll oversee critical data operations, implement security measures, and suppor

IT Operations Manager

General Dynamics Information Technology

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Information Systems Management Job Qualifications: Skills: Change Management, Information Systems, Information Technology Operations, People Management, Project ManagementCertifications: NoneExperience: 15 + years of related experienceship Required: Yes Job Description: Transform technology into opportunity as an IT

Operations Manager

United States Geospatial Intelligence Foundation

Herndon, Virginia, USA

Full-time

The Operations Manager is responsible for overseeing the comprehensive management of office operations, maintenance, and facilities. This position also serves as the primary point of contact for all aspects of the Trajectory Event Center (TEC), including event rentals, revenue generation, operational efficiency, and facility improvements to enhance the venue's functionality and client experience. Additionally, the Operations Manager supports the Chief of Staff and external consultants, providing

Desktop Support Engineer

Robert Half

Rockville, Maryland, USA

Contract

Description We are looking for a dedicated Desktop Support Technician to join our team in Rockville, MD 20852. In this long-term contract position, you will play a key role in designing, developing, and enhancing hardware products and systems. You will work on projects that involve creating new solutions, improving existing products, and contributing to organizational goals. Key Responsibilities: Systems Maintenance & Operations: Maintain and ensure High Availability (HA) through virtualizatio

Network Administrator

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Network Administrator LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Network Administrator to join our team and ensure the reliability, security, and efficiency of our organization's network infrastructure. In this role, you will be responsible for maintaining and optimizing network performance, troubleshooting connectivity issues, and implementing solutions to enhanc

Sr. Helpdesk Specialist

Leidos

Fort Belvoir, Virginia, USA

Full-time

Leidos is seeking an Tier 2 Helpdesk Specialist to support large-scale migration and operations on a large, high-profile DOD contract in Fort Belvoir, VA. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. In this role, a successf

Information Technology Analyst (Sr) (Cleared)

Kentro

Springfield, Virginia, USA

Full-time

Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. Our transition to Kentro in 2025 reflects a rich legacy built upon the foundation of IT Concepts. Rather than leaving ITC behind, we confidently embrace a future centered around the Core of More

Systems Administrator II

Robert Half

Washington, District of Columbia, USA

Contract

Description OS System Administrator Location: Washington DC (onsite) Duration: 6-months (potential extension) Security Clearance Requirement: Public Trust Position Overview: A leading government contractor is seeking a System Administrator to support a prominent program within the U.S. Department of Justice (DOJ). This role is focused on providing system administration expertise for both Windows and Linux operating systems, as well as enterprise-level storage environments in support of the DO

System Administrator

Cymertek Corporation

Reston, Virginia, USA

Full-time

System Administrator LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and detail-oriented System Administrator to join our team and help maintain the stability, security, and performance of our IT infrastructure. In this role, you will be responsible for managing servers, networks, and other critical systems, ensuring that they run efficiently and securely. You will also handle system updates,

Identity and Access Management Engineer

SAIC

Washington, District of Columbia, USA

Full-time

Job ID: 2505290 Location: WASHINGTON, DC, US Date Posted: 2025-05-02 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is seeking a skilled Identity and Access Management Engineer to join our team at the PBGC. This role requires deep technical expertise in Windows Server administration, Activ

Information Assurance System Security Engineer (ISSE) III

General Dynamics

Manassas, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Information Assurance, Information Security, Information Systems Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as an Information Assurance System Securi

Systems Engineer

Booz Allen Hamilton

Fort Meade, Maryland, USA

Full-time

Job Number: R0218841 Systems Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in government communications? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. As a Systems Engineer on our team, you have the

Senior Security Engineer - Threat Detection

Marriott International

Bethesda, Maryland, USA

Full-time

Job Description JOB SUMMARY This is a Senior Detection Engineering role that leverages knowledge of monitoring, analyzing, detecting, and responding to cyber events and incidents to develop and implement effective monitoring and alerting for information systems and networks. This role is responsible for developing and tuning Security Information and Event Management (SIEM) and User Entity and Behavior Analytics (UEBA) content to monitor critical IT infrastructure and application logged events

Linux System Administrator

Cornerstone Defense

Springfield, Virginia, USA

Full-time

Location: Springfield, Virginia Type: Contract Job #3506 Title: Linux System Administrator Location: Springfield, VA *Clearance: *Active TS/SCI needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is

Transformative IT Program Manager

Amentum

Washington, District of Columbia, USA

Full-time

Job Description Transformative IT Program Manager Amentum is a leading provider of enduring support for the essential missions of the U.S. government, its allied partners and international organizations. With over 60 years of experience, Amentum supports the execution of complex and critical missions by providing global logistics and stability operations, technical services and national security solutions to customers around the world. Amentum has a workforce of approximately 50,000 people in

Infrastructure Help Desk Coordinator

DMI

Washington, District of Columbia, USA

Full-time

About DMI DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, ef?cient, and cost-effective solutions that drive measurable results. Learn more at

System Administrator Level 3

General Dynamics Information Technology

Maryland, 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: Linux, ServiceNow Platform, Unix Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Provides support for implementation, troubleshooting and maintenance of information Technology (

System Administrator Level 3

General Dynamics Information Technology

Maryland, 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: Linux, ServiceNow Platform, Unix Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Provides support for implementation, troubleshooting and maintenance of information Technology (I

Intermediate Systems Engineer

SYSTEMS PLANNING AND ANALYSIS, INC.

Chantilly, Virginia, USA

Full-time

Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are known for continuous innovation for our government customers, in both the US and abroad. Our exceptionally talented team is highly collaborative in spirit and practice, producing Results that Matter. Come work with the best! We offer opportunity, unique challenges, and clear-sighted commitment to

Senior Systems Engineer

SYSTEMS PLANNING AND ANALYSIS, INC.

Chantilly, Virginia, USA

Full-time

Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are known for continuous innovation for our government customers, in both the US and abroad. Our exceptionally talented team is highly collaborative in spirit and practice, producing Results that Matter. Come work with the best! We offer opportunity, unique challenges, and clear-sighted commitment to