Network Engineer (Senior) Jobs in Washington

21 - 40 of 505 Jobs

Senior Network Systems EngineerJob Title - Senior Network Systems Engineer

LeidosCompany Name - Leidos

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Fort Meade, Maryland, USA

Full-time

Description Leidos is seeking an experienced Senior Network Engineer to provide network operations and engineering sustainment support to a mission critical IP messaging and communications transport network. A successful candidate will develop an understanding of the services offered to external organizations, provide lifecycle systems engineering support to development and operations on the program, and use a combination of technical and functional expertise to recommend solutions to satisfy cu

Senior Network EngineerJob Title - Senior Network Engineer

LeidosCompany Name - Leidos

•

Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Senior Network Engineer to support a fast-paced program with the Air Force Life Cycle Management Center, deploying and managing a complex network spanning multiple customer sites and the cloud. We are seeking a skilled Senior Network Engineer to design, procure, and install network systems that meet Department of Defense (DoD) specifications. In this role, you will develop network architectures, collaborate with procurement teams to

Senior Network Systems EngineerJob Title - Senior Network Systems Engineer

LeidosCompany Name - Leidos

•

Fort Meade, Maryland, USA

Full-time

Senior Network EngineerJob Title - Senior Network Engineer

Synapse Business SystemsCompany Name - Synapse Business Systems

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Washington, District of Columbia, USA

Full-time

Senior Network Engineer Location: WASHINGTON, DC, United States 3 Days in office from day 1 Job Description: Install, configure, and maintain scalable network devices such as Cisco routers, switches, and firewalls.Design and implement secure network access solutions and managing security policy using Cisco ISE to meet organizational requirements.Monitor network performance and troubleshoot complex issues to ensure system availability and reliability.Collaborate and partner with other IT platfo

Sr. Network EngineerJob Title - Sr. Network Engineer

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

The Digital Modernization Sector at Leidos is seeking aNetwork Engineer (Campus Area Network/Local Area Network (CAN/LAN) to support global enterprise networks. The CAN/LAN service network architecture provides solutions for modernizing network components while supporting service delivery for customer requirements in a mission-focused operational enterprise. Our team is completely replacing a global enterprise network while providing design, engineering, and transition for a wide range of custom

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

Senior Cybersecurity Engineer - Network Security (US Federal)Job Title - Senior Cybersecurity Engineer - Network Security (US Federal)

Workday, Inc.Company Name - Workday, Inc.

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McLean, Virginia, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h

Senior Network EngineerJob Title - Senior Network Engineer

Accenture LLPCompany Name - Accenture LLP

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Arlington, Virginia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Senior Network EngineerJob Title - Senior Network Engineer

LeidosCompany Name - Leidos

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Camp Springs, Maryland, USA

Full-time

Description Leidos has a unique and exciting opportunity to offer a Network Engineer, who would like to expand their knowledge and grow with the Leidos team on the (AFNCR ITS) Air Force National Capital Region IT Services Program. The Network Engineer is responsible for assessing systems, determining problems, providing solutions to issues that arise, designing systems, upgrading systems, maintaining systems and brainstorming possible improvements that can be made to a system in the future. Thi

Sr. Network EngineerJob Title - Sr. Network Engineer

LeidosCompany Name - Leidos

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Fort Belvoir, Virginia, USA

Full-time

Leidos is seeking a Sr. Network Engineer to support large-scale 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 Sr. Network Engineer/Architect will support the current infras

Sr. Network EngineerJob Title - Sr. Network Engineer

Accenture LLPCompany Name - Accenture LLP

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Maryland, USA

Full-time

Sr. Network EngineerJob Title - Sr. Network Engineer

LeidosCompany Name - Leidos

•

Fort Belvoir, Virginia, USA

Full-time

Description Leidos is seeking a Sr. Network Engineer to support large-scale 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 Sr. Network Engineer/Architect will support the cu

Senior Network EngineerJob Title - Senior Network Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Maryland, USA

Full-time

Job Number: R0221897 Network Engineer, Senior Key Role: Support tasks that involve engineering development, integration, and interface design analysis, installation, fielding and field analysis, operation, maintenance, and testing of hardware and sof tware. Perform system-level design and configuration of network systems, including determination of hardware, operating system, and other platform specifications, to meet project requirements while maintaining interoperability with existing sponsor

Senior Network Operations EngineerJob Title - Senior Network Operations Engineer

RobloxCompany Name - Roblox

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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

Senior Network Engineer - TS/SCI w/PolyJob Title - Senior Network Engineer - TS/SCI w/Poly

JacobsCompany Name - Jacobs

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Annapolis, Maryland, USA

Full-time

Your Impact: Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Senior Network Engineer to join our team of passionate individuals in Annapolis Junction, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. As the lead of technical efforts across organizations, you will manage the overall operational health of a cus

Senior Network EngineerJob Title - Senior Network Engineer

LeidosCompany Name - Leidos

•

Fort Meade, Maryland, USA

Full-time

Leidos is seeking a Senior Network Engineer to join our Defense Enclave Services (DES) team at Ft. Meade, MD. POSITION SUMMARY: This is an exciting opportunity to use your technical experience, and leadership to successfully execute Defense Information Systems Agency (DISA) migration to the Department of Defense's Fourth Estate (DoD 4th Estate) agencies into a Common Use information technology (IT) infrastructure. The Leidos team will deliver Network Infrastructure services that will support th

Senior Cloud Network EngineerJob Title - Senior Cloud Network Engineer

Credence Management SolutionsCompany Name - Credence Management Solutions

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McLean, Virginia, USA

Full-time

Overview At Credence, we support our clients' mission-critical needs, powered by technology. We provide cutting-edge solutions, including AI/ML, enterprise modernization, and advanced intelligence capabilities, to the largest defense and health federal organizations. Through partnership and trust, we increase mission success for war-fighters and secure our nation for a better future. We are privately held, are repeatedly recognized as a top place to work, and have been on the Inc. 5000 Fastest G

Senior Network EngineerJob Title - Senior Network Engineer

LeidosCompany Name - Leidos

•

Fort Meade, Maryland, USA

Full-time

Description Leidos is seeking a Senior Network Engineer to join our Defense Enclave Services (DES) team at Ft. Meade, MD. POSITION SUMMARY: This is an exciting opportunity to use your technical experience, and leadership to successfully execute Defense Information Systems Agency (DISA) migration to the Department of Defense's Fourth Estate (DoD 4th Estate) agencies into a Common Use information technology (IT) infrastructure. The Leidos team will deliver Network Infrastructure services that wi

Senior Network EngineerJob Title - Senior Network Engineer

LeidosCompany Name - Leidos

•

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

Network EngineerJob Title - Network Engineer

SAICCompany Name - SAIC

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Beltsville, Maryland, USA

Full-time

Job ID: 2508155 Location: BELTSVILLE, MD, US Date Posted: 2025-08-01 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: No Description This is a senior position working for the Relay Encryption Operations team within Communication Security, providing network engineering expertise in support of the Vanguard 2.2.1 prog