Network security Jobs in District of Columbia

141 - 160 of 1,031 Jobs

Secure Wireless EngineerJob Title - Secure Wireless Engineer

General DynamicsCompany Name - General Dynamics

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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 compone

Cloud Security Assessor - ExpertJob Title - Cloud Security Assessor - Expert

GuidehouseCompany Name - Guidehouse

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Reston, Virginia, USA

Full-time

Job Family: Technology Consulting Travel Required: Up to 25% Clearance Required: Active Top Secret SCI with Polygraph What You Will Do: The SCA advises key stakeholders, such as the Program Office, Data Owner, and Authorizing Official/Delegated Authorizing Official, concerning the security categorization and impact levels for confidentiality, integrity, and availability of the information on a system. The SCA conducts a comprehensive assessment of the security controls employed within or inh

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 EngineerJob Title - Network Engineer

NightwingCompany Name - Nightwing

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Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Network Systems EngineerJob Title - Network Systems Engineer

QinetiQ USCompany Name - QinetiQ US

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McLean, 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

IT Strategy ConsultantJob Title - IT Strategy Consultant

Navigant ConsultingCompany Name - Navigant Consulting

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Reston, Virginia, USA

Full-time

Job Family: Technology Consulting Travel Required: Up to 25% Clearance Required: Active Top Secret SCI with Polygraph What You Will Do: The Cyber Strategy role is responsible for conducting a review of an organization's cybersecurity services and completing checklists to ensure an organization is meeting IC policy requirements. These cybersecurity services include the Cybersecurity Framework Functions of Identify, Protect, Detect, Respond, and Recover. The IC policy checklists are for ICS 502

Senior Network AdministratorJob Title - Senior Network Administrator

General DynamicsCompany Name - General Dynamics

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Falls Church, Virginia, 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: Network Administration Job Qualifications: Skills: Border Gateway Protocol (BGP), Cisco Routers and Switches, MPLS Networking, Network Security, Network Services Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Network Administrator position supporting the Army National

Network AdministratorJob Title - Network Administrator

SAICCompany Name - SAIC

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Adelphi, Maryland, USA

Full-time

Job ID: 2507144 Location: ADELPHI, MD, US Date Posted: 2025-06-30 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven Network Administrator to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of

Senior Network AdministratorJob Title - Senior Network Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Falls Church, Virginia, USA

Full-time

Senior Network EngineerJob Title - Senior Network Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Reston, Virginia, USA

Full-time

Job Number: R0218929 Network Engineer, Senior The Opportunity: Are you looking for an opportunity to share your experience in designing, developing, and implementing innovative network security solutions to support our country and protect our nation? As a systems security and network security engineer, you will be responsible for the enterprise deployment of the Gigamon Deep Observability Pipeline and GigaVUE Fabric Manager. We need your experience to oversee the development and implementation o

SD-WAN Network EngineerJob Title - SD-WAN Network Engineer

SAICCompany Name - SAIC

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Beltsville, Maryland, USA

Full-time

Job ID: Location: BELTSVILLE, MD, US Date Posted: 2025-07-07 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: Yes Description This is an opening for an SD-WAN Senior Network Engineer to support the Department of State's (DoS) Diplomatic Technology Operations Division. This program provides transparent, interconnected

Network EngineerJob Title - Network Engineer

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2506827 Location: CHANTILLY, VA, US Date Posted: 2025-06-18 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 is seeking an experienced Network Engineer to plan, design, implement, operate, and troubleshoot a high-reliability enterprise network infrastructure. The candidate will suppo

SD-WAN Network EngineerJob Title - SD-WAN Network Engineer

SAICCompany Name - SAIC

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Springfield, Virginia, USA

Full-time

Job ID: 2507077 Location: SPRINGFIELD, VA, US Date Posted: 2025-07-07 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: Yes Description This is an opening for an SD-WAN Senior Network Engineer to support the Department of State's (DoS) Diplomatic Technology Operations Division. This program provides transparent, inter

IT Security SpecialistJob Title - IT Security Specialist

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

IT Security Specialist LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and dedicated IT Security Specialist to join our team and safeguard our organization's digital assets. In this role, you will be responsible for identifying and mitigating security risks, implementing best practices, and ensuring the integrity and confidentiality of sensitive information. The ideal candidate will

Network Engineer/AnalystJob Title - Network Engineer/Analyst

Cornerstone DefenseCompany Name - Cornerstone Defense

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Herndon, Virginia, USA

Full-time

Location: Herndon, Virginia Type: Contract Job #3656 Title: Network Engineer/Analyst 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

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

Information Systems Security Officer (ISSO)Job Title - Information Systems Security Officer (ISSO)

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Information Systems Security Officer (ISSO) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a detail-oriented and proactive Information Systems Security Officer (ISSO) to support and maintain the security of our information systems. In this role, you will be responsible for ensuring systems operate in compliance with established security policies, procedures, and regulations. You will work closely with t

iOS Vulnerability Engineer (Software)Job Title - iOS Vulnerability Engineer (Software)

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

iOS Vulnerability Engineer (Software) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a highly skilled and innovative iOS Vulnerability Engineer (Software) to join our team and help identify, analyze, and mitigate security vulnerabilities in iOS systems and applications. In this role, you will focus on uncovering potential threats, developing secure solutions, and ensuring the integrity of iOS platfo

Mid-Level Azure DeveloperJob Title - Mid-Level Azure Developer

General DynamicsCompany Name - General Dynamics

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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: MBI (T2) Job Family: Cloud Job Qualifications: Skills: CI/CD, Cloud Computing, Microsoft Azure, Microsoft Azure Load Balancer, Terraform on Microsoft Azure Certifications: None Experience: 5 + years of related experience ship Required: No Job Description: Seize your opportunity to make a personal impact as a Mid-Level Azure Developer supporti

Network AdministratorJob Title - Network Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Network 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 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 ope