IT Security Administrator Jobs in Washington

Refine Results
61 - 80 of 1,048 Jobs

Network/System Administrator III

Modern Technology Solutions

Washington, District of Columbia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a Network/System Administrator to join our team. 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 indu

Terminal Instrument Procedure Specialist

SAIC

Fort Belvoir, Virginia, USA

Full-time

Job ID: Location: FORT BELVOIR, VA, US Date Posted: 2025-05-05 Category: Information Technology Subcategory: Bus Solutions Eng Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description SAIC has an immediate need for Terminal Instrument Procedure Specialist (TERPS) to support Army Instrument Approach Procedures Branch. NOTE: this is a 100% remote opportunity Duties: D

Network Administrator

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Network Administrator LOCATION Chantilly, VA 20151 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 enhance system

Infrastructure Engineer

CACI International, Inc.

Laurel, Maryland, USA

Full-time

Infrastructure Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: CACI is seeking an Infrastructure Engineer to join our team. Job Description: Responsible for resolving IT hardware and software infrastructure (Linux servers, network, security, etc.) issues using systems analysis techniques and procedures

SOC Manager

Eliassen Group

Washington, District of Columbia, USA

Contract

Description: We are seeking a highly skilled and experienced Tier 1 & 2 Security Operations Center (SOC) Manager to lead a 24x7x365 SOC team serving VIP customers at the US House of Representatives. This role requires a cybersecurity operations expert who can manage day-to-day operations, coordinate incident responses, and work closely with senior stakeholders to ensure the security and integrity of critical systems. Onsite | Washington, D.C. Pay Rate: ($85 - $95 / hr. W2) Responsibilities:

Network Administrator

CACI International, Inc.

Fort Washington, Maryland, USA

Full-time

Network Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: Continental US * * * CACI has an opening for a Network Administrator to join our team at Fort Washington, MD! The Opportunity Provides on-site support for implementation, troubleshooting, and maintenance of all Information Technology (IT)systems. Manages IT system infrastructu

System Administrator

Cymertek Corporation

Tysons, Virginia, USA

Full-time

System Administrator LOCATION Tysons, VA 22182 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,

Senior Network Management Systems (NMS) Administrator

Leidos

Fort Belvoir, Virginia, USA

Full-time

Description Leidos is seeking a Senior Network Management Systems (NMS) Administrator to support large-scale migration and operations on a large, high-profile DOD contract. 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. The can

Computer Security Engineer -02122

Syneren Technologies

Alexandria, Virginia, USA

Full-time

Job Description: Syneren is currently seeking a Computer Security Engineer. Job Location: Alexandria (onsite) Key Responsibilities: Manage and maintain the Cybersecurity infrastructure (ACAS, Trellix, Sentinel, Defender for Cloud, ForeScout), including policy configuration, deployment, and monitoring. Administer and configure ACAS (Nessus) to perform vulnerability scanning, compliance assessments, and reporting across the enterprise. Monitor, analyze, and respond to cybersecurity threats and inc

Computer Network Defense Analyst (CNDA), Lead Associate

Peraton

Fort Meade, Maryland, USA

Full-time

Responsibilities Peraton's Cyber Mission in Annapolis Junction, MD supplies the Intel community with mission essential Next Generation SIGINT Analysts and Cyber professionals that support and defend our nation's security. Be a part of a team of SIGINT, Intelligence and Cyber professionals that are supplying our nation with leading Next Generation cybersecurity solutions. Peraton delivers unique intelligence, analytics, and data management solutions to address the world's most difficult challeng

DevOps Systems Administrator

Cymertek Corporation

Tysons, Virginia, USA

Full-time

DevOps Systems Administrator LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dynamic and proactive DevOps Systems Administrator to join our team and play a key role in streamlining our development and operations processes. In this role, you will manage and optimize system infrastructures, automate workflows, and ensure seamless deployment pipelines. Collaborating closely with developers and IT teams, y

IT Laboratory Device Integration Analyst

Mitchell Martin, Inc.

North Potomac, Maryland, USA

Full-time, Contract

Title: IT Laboratory Device Integration Analyst Location: North Potomac, MD Employment Type: 12 months Pay rate: $45-55/hr W2 (IC or C2C ok too) Schedule: 5 days onsiteTasks: As a member of the client IT team, you will have the exciting opportunity to integrate laboratory, manufacturing and research devices on client IT infrastructure. Additionally, you will analyze and document requirements in detail and document the best fit system, User Requirement Specifications, Support Functional Specifica

Zscaler Engineer

SAIC

Washington, District of Columbia, USA

Full-time

Job ID: 2504510 Location: WASHINGTON, DC, US Date Posted: 2025-04-10 Category: Information Technology Subcategory: Database Admin 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 Zscaler Engineer (Mid-Level) to support a critical U.S. government agency in Washington, DC. This role focuses on the administration, operation, and optimization of t

ServiceNow Administrator

QinetiQ US

Arlington, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a

Senior Information Security Engineer, DHS Facility Monitoring System

Battelle Memorial Institute

Arlington, Virginia, USA

Full-time

Battelle delivers when others can't. We conduct research and development, manage national laboratories, design and manufacture products and deliver critical services for our clients-whether they are a multi-national corporation, a small start-up or a government agency. We recognize and appreciate the value and contributions of individuals with diverse backgrounds and experiences and welcome all qualified individuals to apply. Job Summary FAST FORWARD TO YOUR NEXT MISSION Integrity, confidence,

Cyber Security Project Engineer (Pen Tester)

Cornerstone Defense

Herndon, Virginia, USA

Full-time

Location: Herndon, Virginia Type: Contract Job #3482 Title: Cyber Security Project Engineer (Pen Tester) Location: Herndon, VA *Clearance: *Active TS/SCI w/ Polygraph 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 t

Senior Network Engineer

Motion Recruitment Partners, LLC

Arlington, Virginia, USA

Full-time

Senior Network Engineer This role oversees the lifecycle management of the Networking portfolio, ensuring a balanced approach that delivers high-quality solutions for the companies' lawyers, staff, practice groups, and clients. The company is located in Washington D.C. and will be a hybrid model of one day a week in the office. What You Will Be Doing: Oversees the lifecycle management of the Firm's networking portfolio, delivering a technology environment that is stable, secure, and scalable to

Enterprise Support Services Manager

SAIC

Washington, District of Columbia, USA

Full-time

Job ID: 2505250 Location: WASHINGTON, DC, US Date Posted: 2025-05-01 Category: Information Technology Subcategory: Database Engr 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 looking for an experienced Enterprise Support Services Manager to join our team supporting the US government agency in the National Capital Region. The Enterprise Support Servic

Telecommunications Engineer

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2504834 Location: CHANTILLY, VA, US Date Posted: 2025-04-18 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 25 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description JOB DESCRIPTION: SAIC is seeking a long-haul fiber Telecommunications Engineer in Chantilly, VA to support of a government customer. The successful candidate w

Computer Network Defense Analyst (CNDA), Senior Associate

Peraton

Fort Meade, Maryland, USA

Full-time

Responsibilities Peraton's Cyber Mission in Annapolis Junction, MD supplies the Intel community with mission essential Next Generation SIGINT Analysts and Cyber professionals that support and defend our nation's security. Be a part of a team of SIGINT, Intelligence and Cyber professionals that are supplying our nation with leading Next Generation cybersecurity solutions. Peraton delivers unique intelligence, analytics, and data management solutions to address the world's most difficult challeng