Network Security Jobs in Washington, DC

101 - 120 of 1,121 Jobs

Junior Network EngineerJob Title - Junior Network Engineer

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Junior Network Engineer to support a fast-paced program with the Air Force Life Cycle Management Center, managing multiple workstations and network hardware across multiple customer sites and the cloud. We are seeking a skilled Junior Network Engineer to deploy, monitor, and maintain network systems that meet Department of Defense (DoD) specifications. In this role, you will implement secure network architectures, monitor and operate

Senior AWS Cloud Network EngineerJob Title - Senior AWS Cloud Network Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Fort Belvoir, Virginia, USA

Full-time

Job Number: R0219511 AWS Cloud Network Engineer, Senior The Opportunity: A well-designed network is critical to move data and enable our military to achieve their missions, but how can an organization make sure their network will fit their current and evolving needs? Crafting the right network with the right equipment and sof tware requires a combination of technical skill and careful planning. That's why we need you, an experienced network engineer who knows how to develop the exact network fo

Network Operations Center Analyst - 1st ShiftJob Title - Network Operations Center Analyst - 1st Shift

LeidosCompany Name - Leidos

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Arlington, Virginia, USA

Full-time

The Digital Modernization sector within Leidos is seeking a Network Operations Center (NOC) Analyst to support the operational environment for the Compartmented Enterprise Services Office (CESO) NOC. With the CESO program, the Defense Information System Agency (DISA) is looking to transform the existing Secure Web Services (SWS) environment, which provides secure information sharing to the community, into a more mature service offering to meet the DoD and intelligence communities. As part of thi

Network Admin LeadJob Title - Network Admin Lead

LeidosCompany Name - Leidos

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Fort Belvoir, Virginia, USA

Full-time

Description Leidos is seeking a Network Admin Lead 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 Network Admin Lead will be responsibl

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

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 Operations Center Analyst - 1st ShiftJob Title - Network Operations Center Analyst - 1st Shift

LeidosCompany Name - Leidos

•

Arlington, Virginia, USA

Full-time

Description The Digital Modernization sector within Leidos is seeking a Network Operations Center (NOC) Analyst to support the operational environment for the Compartmented Enterprise Services Office (CESO) NOC. With the CESO program, the Defense Information System Agency (DISA) is looking to transform the existing Secure Web Services (SWS) environment, which provides secure information sharing to the community, into a more mature service offering to meet the DoD and intelligence communities.

Senior Quality Assurance Security Test EngineerJob Title - Senior Quality Assurance Security Test Engineer

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Arlington, Virginia, USA

Full-time

Senior Quality Assurance Security Test Engineer This company is looking for a Senior Quality Assurance Security Test Engineer to join their team in Herndon, VA. In this role, you will be responsible for ensuring the quality and security of software applications, primarily within a cloud-based environment. Your duties will include designing, executing, and automating security tests, identifying vulnerabilities, and working closely with development teams to verify, document, and resolve security i

System AdministratorJob Title - System Administrator

SAICCompany Name - SAIC

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Laurel, Maryland, USA

Full-time

Job ID: 2505510-LAUREL-MD Location: LAUREL, MD, US Date Posted: 2025-05-08 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC is seeking a System Administrator to support the U.S. Army Combat Capabilities Development Command (CCDEVCOM), Engineering and Systems Integration (ESI) Directorate,

Network EngineerJob Title - Network Engineer

LeidosCompany Name - Leidos

•

Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Network Engineer to support a fast-paced program with the Air Force Life Cycle Management Center, managing multiple workstations and network hardware across multiple customer sites and the cloud. We are seeking a skilled Network Engineer to deploy, monitor, and maintain network systems that meet Department of Defense (DoD) specifications. In this role, you will implement secure network architectures, monitor and operate customer netw

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

Cymertek CorporationCompany Name - Cymertek Corporation

•

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

•

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

Senior Application Security EngineerJob Title - Senior Application Security Engineer

Software Guidance & AssistanceCompany Name - Software Guidance & Assistance

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Rockville, Maryland, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Application Security Engineer for a Contract assignment with one of our premier Regulatory clients in Rockville, MD. This role is hybrid (2 days/week Oniste). The main function of senior application security engineer is to plan, coordinate and implement application security practices in each phase of software development life cycle though testing, remediation support, tool evaluation, etc. This role involves in evaluatin

Data Center Engineer (TS/SCI w/ Poly Required) - WashinJob Title - Data Center Engineer (TS/SCI w/ Poly Required) - Washin

DeloitteCompany Name - Deloitte

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Arlington, Virginia, USA

Full-time

Are you looking to make an immediate impact where you can help our clients solve their business challenges? Deloitte's Core Business Operations (CBO) portfolio operates at the center of our client's business. By joining our team, you could help C-suite and program leaders transform their organization and accelerate mission execution through emerging and disruptive technologies, innovative business models, retooled program operations and industry-driven solutions. Recruiting for this role ends o

Data Center Engineer (TS/SCI w/ Poly Required) - WashinJob Title - Data Center Engineer (TS/SCI w/ Poly Required) - Washin

DeloitteCompany Name - Deloitte

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McLean, Virginia, USA

Full-time

Splunk EngineerJob Title - Splunk Engineer

SilverEdgeCompany Name - SilverEdge

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College Park, Maryland, USA

Full-time

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking a Splunk Engineer to join our dynamic team. This individual will play a pivotal role in developing innovative and effective solutions for our DoD cu

Cyber Security Project Engineer (Pen Tester)Job Title - Cyber Security Project Engineer (Pen Tester)

Cornerstone DefenseCompany Name - 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

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

Senior Network Administrator / Engineer - TS/SCI with PolygraphJob Title - Senior Network Administrator / Engineer - TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Elkridge, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Network Administration Job Qualifications: Skills: Firewall Administration, Local Area Network (LAN), Network Administration, Network Engineering Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Position is currently located in Elkridge, MD an

Systems Engineer-Expert / Senior ISSEJob Title - Systems Engineer-Expert / Senior ISSE

SilverEdgeCompany Name - SilverEdge

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Chantilly, Virginia, USA

Full-time

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking a Systems Engineer-Expert / Senior ISSE to join our dynamic team. This individual will play a pivotal role in developing innovative and effective so