Network Engineer (Senior) Jobs in Washington

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Senior Systems Engineer

Cayuse Holdings, LLC

•

Washington, District of Columbia, USA

Full-time

Overview The Work The Senior Systems Engineer is responsible for supervising, coordinating, designing, developing, and performing additions and changes to network hardware, infrastructure server environments, operating systems, and attached devices. This includes investigation, analysis, recommendation, configuration, installation, and testing of new network hardware and software. The Systems Engineer provides direct support in the day-to-day operations of network hardware and operating systems,
Posted 27 days ago | Updated 10 hours ago

Sr. Systems Engineer

Leidos

•

Fort Belvoir, Virginia, USA

Full-time

Description Leidos is seeking a Sr. 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 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 Systems Engineer will deploy new
Posted 13 days ago | Updated 1 hour ago

Network Engineer - TS/SCI Polygraph Required

Leidos

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Remote or Chantilly, Virginia, USA

Full-time

Leidos is searching for several Senior Network Engineers of varying experience levels to join our team in Chantilly, VA. The team is made-up of highly technical and motivated individuals. The engineer for this role will assist in troubleshooting complex problems and implementing cutting-edge solutions. As such, this individual must be an excellent problem solver and work well in a collaborative team environment. Candidate must have proven hands-on experience working as a network engineer. OCONU
Posted 60+ days ago | Updated 2 hours ago

Azure Senior Cloud Engineer

SAIC

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Arlington, Virginia, USA

Full-time

Job ID: 2507749 Location: ARLINGTON, VA, US Date Posted: 2025-07-21 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a highly skilled and experienced Azure Senior Cloud Engineer to join our team. This role involves working hands-on with Azure cloud services to manage and build infrastructure
Posted 14 days ago | Updated 11 hours ago

Senior Cyber Security Engineer

ManTech

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Chantilly, Virginia, USA

Full-time

MANTECH seeks a motivated and customer-focused Senior Cyber Security Engineer to join our team in Chantilly, VA. In this role, you will help design, implement, and sustain mission-driven cybersecurity solutions that enable secure enterprise operations. You will provide technical leadership and hands-on expertise in supporting Comply-to-Connect (C2C) systems across both classified and unclassified environments. Responsibilities include but are not limited to: Engineering, designing, implementing
Posted 2 days ago | Updated 9 hours ago

Senior Cyber Security Engineer

ManTech

•

Chantilly, Virginia, USA

Full-time

Mantech seeks a motivated and customer-focused Senior Cyber Security Engineer to join our team in Chantilly, VA. In this role, you will help design, implement, and sustain mission-driven cybersecurity solutions that enable secure enterprise operations. You will provide technical leadership and hands-on expertise in supporting Comply-to-Connect (C2C) systems across both classified and unclassified environments. Responsibilities include but are not limited to: Engineering, designing, implementing
Posted 2 days ago | Updated 9 hours ago

Senior Systems Engineer

SAIC

•

Washington, District of Columbia, USA

Full-time

Job ID: 2507861 Location: WASHINGTON NAVY YARD, DC, US Date Posted: 2025-07-23 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC is seeking a Senior Systems Engineer at the Navy Yard in Washington, DC. Job Duties: Provide tailored systems engineering and acquisition sup
Posted 12 days ago | Updated 11 hours ago

Sr. Azure Infrastructure Engineer

Accenture LLP

•

Washington, District of Columbia, 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
Posted 23 days ago | Updated 2 hours ago

Sr Network Engineer

TechHuman

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Remote

Full-time

Senior Data Center Network Engineer Are you a highly skilled Network Engineer with a passion for designing and deploying cutting-edge data center solutions? We're looking for a Senior Data Center Network Engineer to join our team and play a pivotal role in building and maintaining our hybrid network infrastructure. If you thrive on deep technical challenges, have a strong command of Cisco technologies, and are adept at network automation, we want to hear from you! In this role, you'll leverage y
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Posted 8 days ago

L3 Network Security Project Engineer (Senior Consultant) _Multi-protocol Network Transport Techniques, and Layer

PropelSys Technologies LLC.

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Texas, USA

Full-time, Part-time, Contract, Third Party

L3 Network Security Project Engineer (Senior Consultant) Remote Direct Client Contract role Responsibilities: Scope, define, and design end-to-end technical network solutions, addressing the business needs and ensuring seamless integration with existing infrastructure. Conduct initial site infrastructure and requirements assessments to establish a clear understanding of network conditions and facility-specific needs. Devise and recommend appropriate network device refresh plans based on busine
Easy Apply
Posted 7 hours ago | Updated 1 hour ago

Senior Infrastructure Engineer

Aditi Consulting

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Remote or Dallas, Texas, USA

Contract

Salary: $120k - $130k/yr. Summary: Senior IT/OT Infrastructure Engineer for a contract engagement. This role requires a subject matter expert to support the convergence of our Information Technology (IT) and Operational Technology (OT) infrastructure. Food and Beverage is looking for an outstanding Infrastructure Engineer with a strong focus on IT and OT infrastructure, network security, and cloud experience to work with the Global Networks team. This role requires a subject matter expert to sup
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Posted 8 days ago | Updated moments ago

Senior Infrastructure Engineer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

Senior Infrastructure Engineer In this role, you will be responsible for designing, supporting, and maintaining secure network architectures, devices, and communications systems for Industrial Control System (ICS) environments in non-nuclear power plants. Your efforts will support both edge computing and cloud-based infrastructures, contributing to the broader mission of expanding access to reliable renewable energy. The company is located in Herndon, VA and will be a hybrid model. What You Will
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Posted 56 days ago | Updated 10 hours ago

Senior Specialist, Systems Engineer - Cyber Planner

Harris Corporation

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Springfield, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie
Posted 32 days ago | Updated 2 hours ago

Senior Security Engineer - Cyber Threat Mitigation Lead

Electronic Consulting Services, Inc (ECS Federal)

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Washington, District of Columbia, USA

Full-time

Job Description ECS is seeking a Senior Security Engineer - Cyber Threat Mitigation Lead to work in our Washington, DC office. Please Note: This position is contingent upon additional funding. ECS Federal is a leading information security and information technology company in Washington, DC. We are looking to hire a Senior Security Engineer - Cyber Threat Mitigation Lead to lead a cross functional team (Cyber Threat Intelligence, Hunt, and Analytics) on a long-term contract in Washington DC.
Posted 14 days ago | Updated 10 hours ago

Sr. Network Engineer - Palo Alto - REMOTE

Medix IT Staffing Solutions

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Remote

Contract

Job Title: Sr. Network Engineer - Palo Alto - REMOTE - 24419 Work Location: 100% Remote in the US Travel: 15-20% of the time around Position Type: Contract to Hire (4-6 months) Hourly Rate: $60 / hour Full Time Conversion Salary: $125,000 - $130,000 / year ABOUT OUR CLIENT / ABOUT THIS ROLE Medix is currently seeking a Network Engineer for a permanent opportunity with one of our national Healthcare Services clients. This individual will be joining a team focused on enterprise Network Migrat
Easy Apply
Posted 5 days ago | Updated 2 hours ago

Senior Network Engineer

Kforce Technology Staffing

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Remote or Doral, Florida, USA

Contract

RESPONSIBILITIES: Kforce has a client that is looking for a Senior Network Engineer in Doral, FL. Responsibilities: * The Senior Network Engineer is responsible for contributing to the design and implementation of enterprise security strategies, architectures, and solutions to protect the company's network and meet security and compliance requirements * Supports the production environment and ensures appropriate security policies and practices are implemented and enforced. It also conducts pene
Posted 6 days ago | Updated moments ago

Sr. OT Systems Engineer

Calance

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Springfield, Virginia, USA

Contract

Position Summary Acts as a technical expert for the Operations Technology (OT) engineering team who performs the engineering, configuration and deployment of the network and virtual server infrastructure that supports the organization's OT environment. Responsible for the security, reliability, and performance of the OT environment to ensure the safe and reliable delivery of natural gas. This position will utilize multidiscipline knowledge of and experience in network infrastructure (enterprise
Posted 14 days ago | Updated 10 hours ago

Senior Network Transport Engineer

Verism Systems

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Remote or Fairfield, California, USA

Contract, Third Party

Were looking for a hands-on Alarm Integration Technician with a basic understanding of IP networking and telecom equipment. Youll help ensure SNMP traps and alarms are properly configured and reporting into Spectrum, working closely with both the Transport and Spectrum teams MUST HAVE SKILLS: - SNMP, Network / Telecom monitoring experience, hands on admin of network devices - Hands on experience doing admin related work with these TRANSPORT TECHNOLOGIES: Channel BankMultiplexerMicrowave RadioFi
Easy Apply
Posted 6 days ago | Updated 3 hours ago

Senior Network Security Engineer - DGX Cloud

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA is looking for a Sr Network Security Engineer who will design and implement security best practices for on-premise and cloud access, keeping in mind boundaries that securely enable NVIDIA business verticals such as Graphics Drivers to Autonomous Vehicles and Artificial Intelligence to Deep Learning frameworks for internal and external consumption. This includes the use of deploying and maintaining various aspects of infrastructure security including, but not limited to, stateful firewalls
Posted 4 days ago | Updated 2 hours ago

Senior Network Security Engineer

GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Senior Network Security Engineer with an active Secret clearance to plan and coordinate IT security programs and policies. This position will be located in Arlington, VA, and will be a fully remote position within the United States. Responsibilities Plan and coordinate IT security programs and policies. Manage and control changes to systems, assessing the security impact of related changes. Provide security testing for code changes/development and pr
Posted 3 days ago | Updated 10 hours ago