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Sr Network Infrastructure Engineer Jobs in Washington

ECS

Senior Network Engineer

Washington, DC · On-site

$158K - $170K/yr

We are seeking cleared Senior Network Engineers to design, operate, secure, maintain, and ... This role supports classified and sensitive network infrastructure, including routing, switching ...

ECS

Network Engineer Senior

Washington, DC · On-site

$158K - $176K/yr

Salary Range: $158,000 - $176,000 Join Everforth ECS Federal as a Senior Network Engineer helping strengthen secure infrastructure for national security and law enforcement missions. This role offers ...

Leidos

Senior Network Engineer

Fort Belvoir, VA · On-site

$117K - $161K/yr

Leidos is seeking a Senior Network Engineer to support the design, implementation, modernization ... Design, implement, configure, and maintain enterprise LAN and WAN infrastructure. * Engineer and ...

Leidos

Senior Network Engineer

Fort Belvoir, VA · On-site

$117K - $161K/yr

Leidos is seeking a Senior Network Engineer to support the design, implementation, modernization ... Design, implement, configure, and maintain enterprise LAN and WAN infrastructure. * Engineer and ...

AAC

Network Engineer

Fairfax, VA

Senior Network Engineer (CONUS) Location: Washington, DC, San Antonio, TX, or Honolulu, HI Security ... Participate in network modernization initiatives, technology refresh projects, infrastructure ...

AAC Inc

Network Engineer

Fairfax, VA

Senior Network Engineer (CONUS) Location: Washington, DC, San Antonio, TX, or Honolulu, HI Security ... Participate in network modernization initiatives, technology refresh projects, infrastructure ...

asrcfh

Sr Network Engineer

Ashburn, VA · On-site

$106K - $145K/yr

Senior Network Engineer - Operational Technology & WAN Architecture Position Summary The Senior ... Design hybrid network solutions that integrate onpremises infrastructure with cloud environments (e ...

asrcfh

Sr Network Engineer

Ashburn, VA · On-site

$106K - $145K/yr

Senior Network Engineer - Operational Technology & WAN Architecture Position Summary The Senior ... Design hybrid network solutions that integrate onpremises infrastructure with cloud environments (e ...

American Addiction Centers

Network Engineer

Fairfax, VA · On-site

Senior Network Engineer (CONUS) Location: Washington, DC, San Antonio, TX, or Honolulu, HI Security ... Participate in network modernization initiatives, technology refresh projects, infrastructure ...

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Showing results 1-20

All JobsSr Network Infrastructure Engineer JobsSr Network Infrastructure Engineer Jobs in Washington

Sr Network Infrastructure Engineer information

What is the difference between Sr Network Infrastructure Engineer vs Network Engineer?

AspectSr Network Infrastructure EngineerNetwork Engineer
CertificationsCCNA, CCNP, Cisco certificationsCCNA, CompTIA Network+
Work EnvironmentData centers, enterprise networks, large-scale infrastructureSmall to medium business networks, office environments
ResponsibilitiesDesign, implement, and maintain complex network infrastructureConfigure and troubleshoot network devices and connections

The main difference is that Sr Network Infrastructure Engineers focus on large-scale, complex network systems and often hold advanced certifications, while Network Engineers typically handle day-to-day network setup and troubleshooting in smaller environments. Both roles require strong networking skills but differ in scope and complexity.

What does a Sr Network Infrastructure Engineer do?

A Sr Network Infrastructure Engineer is responsible for designing, implementing, and maintaining complex computer networks within an organization. This role involves ensuring network security, optimizing performance, and troubleshooting issues to support business operations. They often work with routers, switches, firewalls, and other network hardware, as well as collaborate with IT teams to support projects and upgrades. Senior engineers also play a key role in planning network growth and integrating new technologies.

What are some typical challenges a Sr Network Infrastructure Engineer faces when managing large-scale network deployments?

Sr Network Infrastructure Engineers often encounter challenges such as ensuring network scalability, minimizing downtime during upgrades, and integrating new technologies with legacy systems. They must also address security vulnerabilities and maintain high performance across complex, multi-site environments. Effective communication and collaboration with cross-functional teams, such as security and cloud operations, are essential to successfully navigate these challenges and maintain robust network infrastructure.

What are the key skills and qualifications needed to thrive as a Sr Network Infrastructure Engineer, and why are they important?

To thrive as a Sr Network Infrastructure Engineer, you need deep expertise in network architecture, routing and switching, and a strong understanding of security protocols, typically supported by a bachelor's degree in a related field and relevant certifications like CCNP or CCIE. Proficiency in configuring and maintaining network hardware (e.g., Cisco, Juniper), network monitoring tools, and automation platforms is essential. Exceptional problem-solving, communication, and project management skills help you lead initiatives and collaborate across departments. These skills and qualities are vital for ensuring reliable, secure, and scalable network operations in complex enterprise environments.
What are popular job titles related to Sr Network Infrastructure Engineer jobs in Washington? For Sr Network Infrastructure Engineer jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Sr Network Infrastructure Engineer jobs in Washington look for? The top searched job categories for Sr Network Infrastructure Engineer jobs in Washington are:
Sr Network Infrastructure Engineer jobs near you
Infographic showing various Sr Network Infrastructure Engineer job openings in Washington as of July 2026, with employment types broken down into 88% Full Time, 10% Part Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution.

Senior Network Infrastructure Engineer

Connect Centric

Washington, DC • On-site

$140K - $160K/yr

Full-time

Re-posted 19 days ago

Job description

At Connect Centric, we are more than just consultants-we are partners committed to our clients' success. We take a hands-on approach, working closely with our clients to transform strategies into measurable, real-world outcomes. As a strategy execution team, we take full ownership of every initiative from start to finish, ensuring that our clients see tangible results, not just ideas. Our work is grounded in IQ, EQ, and TQ-combining intelligence, empathy, and technology acumen to turn strategy into real-world outcomes.
Applicants who match the qualifications for this role will be invited to a conversational interview with Mira, our AI interview assistant powered by RightMatch, completed on your own schedule. Our team personally reviews every Mira interview and selects which candidates move forward to meet with Connect Centric and our client team directly.
Position Description: In this role, you will manage and optimize on-premises and cloud network environments, working closely with the Network Team to maintain and enhance the network infrastructure across physical data centers and cloud platforms. Reporting to the Manager of Networking, you will implement network solutions and support network-related technology, including routers, switches, firewalls, NAC, VPN, load balancers, monitoring tools, and core services like DNS and DHCP. Your work will ensure reliable, secure, and high-performing connectivity that supports business applications and end users across the organization.
Key Responsibilities:
Network Operations & Maintenance:
  • Perform ongoing network maintenance, diagnostics, and design for 500+ nodes across multiple locations.
  • Administer switches, routers, firewalls, wireless access controllers, load balancers, and DNS/DHCP.
  • Monitor network performance and troubleshoot network-related issues.
  • Work with ISPs to ensure reliable Internet connectivity and performance.

Cloud Network Engineering:
  • Manage and optimize cloud network architectures (e.g., AWS, Google Cloud) to support business applications and services.
  • Configure and maintain Virtual Private Clouds (VPCs), VPNs, Direct Connect, Transit Gateways, and hybrid cloud connectivity.
  • Leverage cloud-native monitoring solutions to ensure visibility and performance across cloud environments.
Security & Access Control:
  • Implement network security best practices, including firewalls, NAC (Network Access Controls), and segmentation strategies across on-premises and cloud environments.
  • Support secure remote access and VPN tunnel management for staff and partners.
Collaboration & Support:
  • Work with support staff to provide prompt resolution of staff network problems and requests.
  • Collaborate with Windows, Linux, Storage, Database, and Cloud teams to deliver integrated solutions.
  • Provide services outside of core working hours as required.
Continuous Improvement:
  • Stay current on networking trends, emerging cloud technologies, and security best practices.
  • Pursue professional development through certifications, training, and hands-on learning.

Qualifications:
  • Minimum of 5 years of hands-on experience in enterprise network engineering.
  • Strong experience with Cisco switching, routing (OSPF, BGP), firewalls (access-lists, VPN tunnels, remote access), and wireless access.
  • Hands-on AWS Cloud experience, including VPC, EC2, ALB/NLB, Transit Gateway, Routing, Security Groups/NACLs, Network Firewall, VPN, Direct Connect, CloudFormation, and IAM roles.
  • F5 Load Balancing, Cisco ISE, WAF, and DNS/DHCP experience are highly desirable.
  • Proficiency in network monitoring and management tools (e.g., Site24x7, SevOne, or equivalent) and cloud-native monitoring solutions.
  • Ability to deploy, configure, and troubleshoot Cisco access-layer switches.
  • Ability to troubleshoot wired, wireless, VPN, cloud (AWS/GCP), and Internet connectivity.
  • Solid understanding of L1-L4 network layers and logical troubleshooting techniques.
  • Excellent troubleshooting, research, and interpersonal skills.

Position Type: Full-time W2 (1099 arrangements are not available for this role)
US Citizenship Required for this Position: Yes
Performance Location: Washington, D.C.
Relocation Assistance: No
Travel Required: Minimal. On-site presence required several days per week in Washington, D.C.
Salary: Dependent on Experience $140K - $160K

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