Network security Jobs in District of Columbia

121 - 140 of 1,023 Jobs

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

RMF AnalystJob Title - RMF Analyst

Apex SystemsCompany Name - Apex Systems

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Alexandria, Virginia, USA

Full-time

Job#: 2077182 Job Description: Title: RMF Analyst Location: Mark Center Drive Alexandria VA Type: Long-term Contract Schedule: Hybrid, 2 days on-site & 3 days remote Pay: $45-55/hr) experince level dependent) Apply Here: Please send your updated resume, CompTIA Sec+ certification, and availibility for a phone call to Emma at The RMF Support Analyst is responsible for developing processes and procedures to communicate, report, and distribute cyber directives to Program level System Owners, I

Enterprise Architect - CloudJob Title - Enterprise Architect - Cloud

Robert HalfCompany Name - Robert Half

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Washington, District of Columbia, USA

Contract

Description We are seeking an experienced Enterprise Architect to lead the design and implementation of cloud architecture for a large-scale program in Washington, District of Columbia. This role is critical in aligning cloud strategies with business objectives and IT best practices. The ideal candidate will drive cloud migration efforts, optimize infrastructure, and guide teams in adopting and managing cloud technologies. This position requires a strong understanding of enterprise systems, clou

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

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

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

Principal/Architect Security EngineerJob Title - Principal/Architect Security Engineer

HAYSCompany Name - HAYS

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Washington, District of Columbia, USA

Full-time

Principal/Architect Security Engineer - Permanent - Remote - $150000.00 - $160000.00/hr. The final salary or hourly wage, as applicable, paid to each candidate/applicant for this position is ultimately dependent on a variety of factors, including, but not limited to, the candidate's/applicant's qualifications, skills, and level of experience as well as the geographical location of the position. Applicants must be legally authorized to work in the United States. Visa sponsorship is not availabl

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

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

Computer Network Defense Analyst (CNDA)Job Title - Computer Network Defense Analyst (CNDA)

BlueHaloCompany Name - BlueHalo

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Annapolis, Maryland, USA

Full-time

At BlueHalo, an AV Company, our Cyber experts operate at the mission's edge. Using advanced cyber techniques, our team of technologists and analysts employ capabilities spanning traditional computing environments to Internet of Things (IoT), including offensive and defensive cyber operations and analysis, signals intelligence (SIGINT) discovery, and data science. Our team is expanding to do the big things that have never been done before - the things the nation and the world are counting on us t

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 est

Network EngineerJob Title - Network Engineer

Base One TechnologiesCompany Name - Base One Technologies

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Ashburn, Virginia, USA

Contract

Primary Responsibilities: We are seeking a skilled and motivated Network Engineer with a strong background in both traditional and cloud-based networking environments. The ideal candidate will bring deep technical expertise in AWS cloud, network firewalls, and endpoint security tools, along with experience working in Linux and Windows environments. This role will be instrumental in ensuring the resilience, security, and performance of our global network infrastructure. Below are some tools/skill

Secure Wireless EngineerJob Title - Secure Wireless Engineer

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Springfield, Virginia, USA

Full-time

Type of Requisition: Pipeline 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: Network Engineering Job Qualifications: Skills: Network Connectivity, SSL VPN, Virtual Private Networks (VPNs), Wireless Networks Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Own your opportunity to serve as a critical compon

Network EngineerJob Title - Network Engineer

LeidosCompany Name - Leidos

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Springfield, Virginia, USA

Full-time

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 troubleshoot

AWS Full Stack DeveloperJob Title - AWS Full Stack Developer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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McLean, Virginia, USA

Full-time

Job Number: R0221793 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 software, 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 software and systems from vision to production-ready. This role is more than just coding. As

Secure Wireless EngineerJob Title - Secure Wireless Engineer

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Springfield, Virginia, USA

Full-time

Secure Wireless EngineerJob Title - Secure Wireless Engineer

General DynamicsCompany Name - General Dynamics

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Springfield, Virginia, USA

Full-time

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

FLEX Senior Network EngineerJob Title - FLEX Senior Network Engineer

Marriott InternationalCompany Name - Marriott International

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Bethesda, Maryland, USA

Full-time

Job Description Marriott's Cloud Network Services team is a fast-paced and innovative group that builds network infrastructure to connect hotel guests, properties, and partners. Our cloud solutions such as the Marriott Bonvoy reservations and rewards programs. We are a rapidly growing team that provides the opportunity for autonomy and growth! Reporting into the Senior Director, Cloud Network Services, the Senior Network Engineer develops and maintains technical solutions that adhere to enginee