Network Security Jobs in District of Columbia

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Cloud Security Engineer

Cornerstone Defense

Herndon, Virginia, USA

Full-time

Location: Herndon, Virginia Type: Contract Job #3713 Title: Cloud Security Engineer 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 the mission. Our Team i

Network Engineer - Expert Level - Team Lead (ON SITE, ROCKVILLE MD)

General Dynamics Information Technology

Rockville, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Network Engineering Job Qualifications: Skills: Cisco, Firewalls, Palo Alto, Palo Alto Networks Next Generation Firewalls (NGFW), Palo Alto Networks Panorama Certifications: None Experience: 15 + years of related experience ship Required: No Job Description: Transform technology into opportunity as a Network Engin

System Vulnerability Analyst 3

Realm One

Annapolis, Maryland, USA

Full-time

Are you VIGILANT about your career? RealmOne definitely is! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this jou

Senior Systems Engineer

SAIC

Washington, District of Columbia, USA

Full-time

Job ID: 2506843 Location: WASHINGTON, DC, US Date Posted: 2025-06-18 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 Senior Systems Engineer to support a critical U.S. government agency in the National Capital Region. This SME-level role is ideal for an experienced systems engi

Systems Monitoring Analyst

General Dynamics

Germantown, Maryland, 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: Database Analysis/Design Job Qualifications: Skills: Communication, Data Analysis, Design, Documentations, System Monitors Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: IT Operations Systems Monitoring Analyst Transform technology into opportunity as an IT Sy

Network Engineer

BOOZ, ALLEN & HAMILTON, INC.

McLean, Virginia, USA

Full-time

Network Engineer The Opportunity: We are seeking a dedicated mid-level Network Engineer to support the design, deployment, and maintenance of enterprise and tactical networks for the Department of Defense ( DoD ) . This role is an opportunity to apply your technical expertise in wireless, SD-WAN, and cybersecurity to build secure, resilient infrastructure that directly enhances the quality of life for military personnel and their families. You'll work on meaningful projects that support mission

Security Authority to Operate (ATO)-Tools/AZURE-IL5 /IL6- DC Metro Area

General Dynamics Information Technology

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Cybersecurity, Information Security, Information Technology Security, System Security Certifications: None Experience: 10 + years of related experience ship Required: No Job Description: Information Security Analyst Advisor (Azure Security Senior Engineer) Your Impact Own

SOAR Engineer

Booz Allen Hamilton

Arlington, Virginia, USA

Full-time

Job Number: R0220125 SOAR Engineer Key Role: Display a strong background in security operations, threat detection, and security engineering. Be responsible for key contributions in developing Threat Defense Solutions, focusing on detection, automation, and development of artifi cia l intelligence ( AI ) capabilities which enable the client to achieve measurable growth and maturity. Work with in-house teams to identify the right mix of tools, techniques, and procedures to translate your customer

Network and AV Cabling Support

SAIC

Adelphi, Maryland, USA

Full-time

Job ID: 2507149 Location: ADELPHI, MD, US Date Posted: 2025-07-01 Category: Information Technology Subcategory: Audio Visual Tech Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven Network and AV Cabling Support Specialist to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of E

Network Engineer

Leidos

Chantilly, Virginia, USA

Full-time

We are seeking a highly skilled Network Engineer to design, configure, and maintain network systems that support critical SAP landscapes. The ideal candidate will play a key role in ensuring optimal network performance and availability for SAP applications, collaborating with cross-functional IT teams to support business operations, security compliance, and disaster recovery initiatives. Primary Responsibilities: Design, configure, and maintain network infrastructure supporting SAP systems.Moni

Network Engineer - Expert Level - Team Lead (ON SITE, ROCKVILLE MD)

General Dynamics

Rockville, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Network Engineering Job Qualifications: Skills: Cisco, Firewalls, Palo Alto, Palo Alto Networks Next Generation Firewalls (NGFW), Palo Alto Networks Panorama Certifications: None Experience: 15 + years of related experience ship Required: No Job Description: Transform technology into opportunity as a Network Engine

Enterprise Systems Engineer

ManTech

McLean, Virginia, USA

Full-time

ManTech is seeking a motivated, career and customer-oriented Enterprise Systems Engineer to join our team in McLean, VA. Responsibilities include but are not limited to: Develop complex, enterprise solutions across the appropriate engineering environments to meet business and mission requirements or enhance performancePlan, conduct, and oversee the technical aspects of large, complex projects; coordinate the efforts of technical support staff in the performance of assigned projectsPerform full-

Industrial Cybersecurity Analyst - 1898 & Co. (Washington DC)

Burns & McDonnell

Washington, District of Columbia, USA

Full-time

Description The Industrial Cybersecurity Analyst will assist with projects addressing Information Technology (IT) and Industrial Control System security. The 1898 & Co. Security & Risk Consulting practice is a premier OT/ICS/SCADA cybersecurity consulting practice whose mission is to serve humanity by improving the safety, security, and reliability of the world's critical infrastructure - improving risk management through resiliency, situational awareness, and preparedness. The Industrial Cybers

Azure Senior Cloud Engineer

SAIC

Arlington, Virginia, USA

Full-time

Job ID: 2507749 Location: ARLINGTON, VA, US Date Posted: 2025-07-21 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a highly skilled and experienced Azure Senior Cloud Engineer to join our team. This role involves working hands-on with Azure cloud services to manage and build infrastructure

Digital Network Exploitation Analyst 1

Realm One

Annapolis, Maryland, USA

Full-time

We're searching fortalented individuals who provide intelligence, engineering, and mission management expertise for the Government.This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, thencome join us! Job Description: We are looking for a Digital Network Exploitation Analyst (DNEA) to evaluate target opportunities using all-source data, unde

Security Engineer

ManTech

Herndon, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Security Engineer to join our team in Herndon, VA to design, implement, and maintain secure environments that align with compliance standards in support of a high priority mission at one of our National Intelligence Customers. This role requires an individual with a strong technical foundation in cybersecurity, a deep understanding of federal security frameworks, and a proactive approach to protecting mission-critical systems. Responsibili

Systems Engineer

Leidos

Odenton, Maryland, USA

Full-time

Leidos is seeking a Systems Engineer who will support a, pilot project on a multi-year contract providing Systems Development, Integration and Deployment support to Department of Defense. The work that's being done on this Leidos-led, prime contract is extremely important and offers its team members the opportunity to work autonomously and explore new technologies. The Systems Engineer will support a high priority, high visibility development, integration and implementation project in support o

Secure Flight Lead - AJ

Maximus, Inc.

Maryland, USA

Full-time

Description & Requirements Maximus is seeking an experienced Secure Flight Lead to support a Homeland Security customer. This role requires an individual with extensive hands-on technical expertise and leadership capabilities to oversee a diverse team managing critical infrastructure and migration efforts. The Secure Flight Lead will be responsible for ensuring the security, reliability, and efficiency of systems that support national security missions. This is an on-site position that requires

AWS Full Stack Developer

Booz Allen Hamilton

Springfield, Virginia, USA

Full-time

Job Number: R0223565 AWS Full Stack Developer The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop sof tware and systems from vision to production-ready. This role is more than just coding.

Senior Network Operations Engineer

Roblox

Ashburn, Virginia, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op