network security Jobs in washington, dc

161 - 180 of 1,066 Jobs

Senior Cybersecurity EngineerJob Title - Senior Cybersecurity Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Chantilly, Virginia, USA

Full-time

Job Number: R0219698 Cybersecurity Engineer, Senior The Opportunity: Are you looking for an opportunity to share your experience in network and system security to safeguard our nation? As a cybersecurity engineer, you can identify, implement, and operate the systems, tools, and approaches needed to assess vulnerabilities, repel threats, and improve enterprise security. We need your experience to lead the development and implementation of security solutions that protect critical national securit

Cyber Analyst, Mid-LevelJob Title - Cyber Analyst, Mid-Level

QinetiQ USCompany Name - QinetiQ US

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Elkridge, Maryland, 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

Network EngineerJob Title - Network Engineer

LeidosCompany Name - Leidos

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Odenton, Maryland, USA

Full-time

The Digital Modernization Sector at Leidos has an opening for a senior Network Engineer on the DISA Defense Red Switch Network team in support of an enterprise VoIP management system - GSM-O II contract at Fort Meade, MD. The successful candidate will have a Network Engineering background responsible for the design, document, test, deployment and maintenance of the IP network solutions within an enterprise environment on a high-paced, fast-moving program. As a Network Engineer, the successful c

System Vulnerability Analyst 2Job Title - System Vulnerability Analyst 2

Realm OneCompany Name - Realm One

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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

Cybersecurity EngineerJob Title - Cybersecurity Engineer

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2505484 Location: WASHINGTON, DC, US Date Posted: 2025-05-08 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 Cybersecurity Engineer to support a mission-critical U.S. government agency in the National Capital Region. This hybrid position involves managing and modernizing ent

Network EngineerJob Title - Network Engineer

LeidosCompany Name - Leidos

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Fort Meade, Maryland, USA

Full-time

Description Are you ready to make an impact and join a creative, forward-thinking team? We're looking for innovators and forward-thinkers to help us do great things. Leidos is seeking a Network Engineer to join our Defense Enclave Services (DES) team, who will support an extensive digital modernization program critical to DISA and Fourth Estate Agencies. **This is a Monday-Friday day shift; however, must be flexible to shift changes depending on mission requirements. Need to be open to Mids or

Systems EngineerJob Title - Systems Engineer

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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Fort Belvoir, Virginia, USA

Full-time

This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret) Because an active or interim DoD clearance is required, U.S. Citizenship is required Description TEKsystems' Customer is seeking a SME Systems Engineer 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 Di

Senior Network EngineerJob Title - Senior Network Engineer

LeidosCompany Name - Leidos

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Odenton, Maryland, USA

Full-time

Description The Digital Modernization Sector at Leidos has an opening for a senior Network Engineer on the DISA Defense Red Switch Network team in support of an enterprise VoIP management system - GSM-O II contract at Fort Meade, MD. The successful candidate will have a Network Engineering background responsible for the design, document, test, deployment and maintenance of the IP network solutions within an enterprise environment on a high-paced, fast-moving program. As a Network Engineer, the

Network EngineerJob Title - Network Engineer

LeidosCompany Name - Leidos

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Springfield, Virginia, USA

Full-time

Description We are seeking a Network Engineer who is responsible for the design, configuration, maintenance, and optimization of enterprise network environments. This role supports multiple network domains and plays a key part in ensuring secure, reliable, and high-performance connectivity across the organization. The engineer collaborates closely with cybersecurity, systems, and application teams to ensure seamless infrastructure integration and compliance with federal and DoD standards. Leads

Network EngineerJob Title - Network Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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McLean, Virginia, USA

Full-time

Job Number: R0221772 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

Principal Azure Cloud EngineerJob Title - Principal Azure Cloud Engineer

ManTechCompany Name - ManTech

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Chantilly, Virginia, USA

Full-time

MANTECH seeks a motivated and experienced Principal Azure Cloud Engineer to join our team in Chantilly, VA. In this role, you will support mission-critical operations by designing, implementing, and managing Azure cloud infrastructure. You will collaborate with cross-functional teams to enhance cloud environments using modern tools and best practices. Responsibilities include but are not limited to: Supporting Azure cloud services and infrastructure using Infrastructure as Code (IaC) tools suc

Enterprise Systems EngineerJob Title - Enterprise Systems Engineer

ManTechCompany Name - ManTech

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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-s

Integration Full Stack EngineerJob Title - Integration Full Stack Engineer

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Bethesda, Maryland, USA

Full-time

Job Description Seeking highly motivated, and creative Software Developers/ Systems Integrators / Software Engineers /Full Stack Engineers. Apply your skills to advance manufacturing technology at Lockheed Martin by helping us build Industrial Internet of Things (IIoT) gateway solutions for all Lockheed Martin factories. Our team of Full Stack Engineers get exposure to edge compute, infrastructure, network, security, application automation, data and analytics. Be part of an amazing high perform

Network EngineerJob Title - Network Engineer

LeidosCompany Name - Leidos

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Fort Meade, Maryland, USA

Full-time

Are you ready to make an impact and join a creative, forward-thinking team? We're looking for innovators and forward-thinkers to help us do great things. Leidos is seeking a Network Engineer to join our Defense Enclave Services (DES) team, who will support an extensive digital modernization program critical to DISA and Fourth Estate Agencies. **This is a Monday-Friday day shift; however, must be flexible to shift changes depending on mission requirements. Need to be open to Mids or swing shift

Network Firewall Engineer (NE II) (Government)Job Title - Network Firewall Engineer (NE II) (Government)

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

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Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Department of Defense. 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. RIS I is the delivery of regional IT services to the end user. We offer support of end user devices including deskt

Principal Azure Cloud EngineerJob Title - Principal Azure Cloud Engineer

ManTechCompany Name - ManTech

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Chantilly, Virginia, USA

Full-time

Network EngineerJob Title - Network Engineer

SAICCompany Name - SAIC

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Fort Meade, Maryland, USA

Full-time

Job ID: 2506164 Location: FORT MEADE, MD, US Date Posted: 2025-06-24 Category: Information Technology Subcategory: Network Engineer 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 engineering & integration, systems development & deployment, intelligence analysis and targeting, and training solutions for the Intelligence C

Lead Network Engineer- Palo Alto FirewallsJob Title - Lead Network Engineer- Palo Alto Firewalls

Costar GroupCompany Name - Costar Group

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Arlington, Virginia, USA

Full-time

Lead Network Engineer- Palo Alto Firewalls Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real es

Security EngineerJob Title - Security Engineer

ManTechCompany Name - ManTech

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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

Cloud Data ArchitectJob Title - Cloud Data Architect

Navigant ConsultingCompany Name - Navigant Consulting

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McLean, Virginia, USA

Full-time

Job Family: IT Architecture/Cloud Travel Required: Up to 25% Clearance Required: Ability to Obtain Public Trust What You Will Do: The Cloud Data Architect designs and implements an organization's cloud data strategy, ensuring data accuracy, accessibility, and security to support strategic decision-making. They translate business needs into technical solutions, often collaborating with various stakeholders to optimize data utilization and ensure compliance with industry regulations and securi