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Senior Core Network Engineer Jobs (NOW HIRING)

ECS

Senior Network Engineer

Fairfax, VA · On-site +1

$120K - $160K/yr

ECS is seeking a Senior Network Engineer to work remot ely. ECS is seeking a highly skilled Network ... Manage core networking components, including routers, switches, firewalls, and load balancers

Edutek Ltd.

Network Engineer Level 1

White Plains, NY · On-site

$60K - $70K/yr

Network Engineer Level 1s assist more senior Network Engineers with support, maintenance and optimization of core network services, devices and communications systems. Fully On-site Certifications ...

Loop Internet

Senior Network Engineer

Baltimore, MD · On-site

$103K - $141K/yr

As a Senior Network Engineer at Greenlight Networks, you will be responsible for ensuring the ... You will lead the design, implementation, and optimization of core network systems, working closely ...

Greenlight Networks

Senior Network Engineer

Baltimore, MD · On-site

$114K - $130K/yr

As a Senior Network Engineer at Greenlight Networks, you will be responsible for ensuring the ... You will lead the design, implementation, and optimization of core network systems, working closely ...

Arraya Solutions

Senior Network Engineer

Boca Raton, FL · On-site

$98K - $134K/yr

Job Overview Our Client is seeking a Principal Network Engineer to serve as the senior-most ... Experience and fundamental knowledge in core network concepts TCP/UDP, Layer 2 protocols such as ...

Leidos

Senior Network Engineer

Wahiawa, HI · On-site

$116K - $210K/yr

Description Senior Network Engineer - Drive Innovation Across a Global Mission Network Leidos is ... What You'll Do As a senior technical leader, you'll take ownership of core network infrastructure ...

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Senior Core Network Engineer information

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$42.5K

$123.8K

$175K

How much do senior core network engineer jobs pay per year?

As of Jul 13, 2026, the average yearly pay for senior core network engineer in the United States is $123,786.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,000.00 and $142,500.00 per year, depending on experience, location, and employer.

What are Senior Core Network Engineers?

Senior Core Network Engineers are experienced professionals responsible for designing, implementing, managing, and optimizing the core components of an organization's network infrastructure. They focus on ensuring high availability, security, and performance of critical network systems such as routers, switches, and firewalls. These engineers often lead network projects, troubleshoot complex issues, and mentor junior staff. Their expertise is essential for maintaining seamless connectivity and supporting business operations.

What are some common challenges faced by Senior Core Network Engineers, and how can they be addressed?

Senior Core Network Engineers often encounter challenges such as managing complex network architectures, ensuring minimal downtime during upgrades, and addressing security vulnerabilities in real time. Staying current with rapidly evolving technologies and vendor solutions is crucial to maintaining network performance and security. To address these challenges, engineers typically collaborate closely with cross-functional teams, participate in ongoing training, and implement robust change management processes to ensure seamless network operations.

What is the difference between Senior Core Network Engineer vs Network Operations Center (NOC) Engineer?

AspectSenior Core Network EngineerNetwork Operations Center (NOC) Engineer
CertificationsCCNP, CCIE, Cisco certificationsCompTIA Network+, Cisco CCNA
Work EnvironmentDesign, implementation, and troubleshooting core network infrastructureMonitoring, incident response, and network maintenance
Employer & Industry UsageTelecom, large enterprises, ISPsService providers, enterprise networks, managed service providers

The Senior Core Network Engineer focuses on designing and maintaining core network infrastructure, requiring advanced certifications and technical expertise. In contrast, a NOC Engineer primarily monitors network performance, responds to incidents, and ensures network uptime. Both roles are vital in network operations but differ in scope and responsibilities.

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

To thrive as a Senior Core Network Engineer, you need in-depth knowledge of network architecture, routing and switching protocols, and a degree in computer science or a related field, often with several years of relevant experience. Expertise in tools and systems such as Cisco IOS, Juniper JUNOS, MPLS, BGP, OSPF, and relevant certifications like CCNP or CCIE are typically required. Strong analytical thinking, problem-solving, and effective communication skills help you excel in troubleshooting and collaborating with cross-functional teams. These skills and qualifications are crucial for ensuring reliable, high-performance network operations and supporting complex organizational needs.
What cities are hiring for Senior Core Network Engineer jobs? Cities with the most Senior Core Network Engineer job openings:
What are the most commonly searched types of Core Network Engineer jobs? The most popular types of Core Network Engineer jobs are:
What states have the most Senior Core Network Engineer jobs? States with the most job openings for Senior Core Network Engineer jobs include:
Senior Core Network Engineer jobs near you
Infographic showing various Senior Core Network Engineer job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 81% Full Time, 16% Part Time, and 2% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $123,786 per year, or $59.5 per hour.
Senior Network Engineer

Senior Network Engineer

ECS

Fairfax, VA • On-site, Remote

$120K - $160K/yr

Full-time

Re-posted 22 days ago

Job description

ECS is seeking a Senior Network Engineer to work remotely.
ECS is seeking a highly skilled Network Engineer to support and maintain enterprise network infrastructure across corporate office environments and three geographically distributed data centers. This role is responsible for designing, implementing, securing, and optimizing network systems that support mission-critical operations. The ideal candidate brings strong experience in multi-site networking, data center architecture, and enterprise-grade routing/switching, along with a proactive approach to reliability, security, and performance.
Key Responsibilities
  • Design, implement, and maintain network infrastructure across ECS corporate offices and data centers
  • Manage core networking components, including routers, switches, firewalls, and load balancers
  • Ensure high availability and performance of WAN/LAN connectivity between sites
  • Support data center networking, including spine-leaf architecture, VLANs, VXLAN, and segmentation strategies
  • Monitor network performance and troubleshoot issues across multiple environments
  • Implement and maintain network security controls (ACLs, firewalls, VPNs, IDS/IPS)
  • Collaborate with systems, cloud, and cybersecurity teams to support hybrid infrastructure
  • Perform capacity planning, upgrades, and lifecycle management of network hardware/software
  • Maintain documentation for network topology, configurations, and standard operating procedures
  • Support incident response and root cause analysis for network outages

Salary Range: $120,000 - $160,000
General Description of Benefits
  • Ability to pass background checks comparable to DoD Secret
  • 5+ years of experience in enterprise network engineering
  • Strong expertise in routing and switching (BGP, OSPF, EIGRP)
  • Experience with enterprise networking vendors (Cisco, Palo Alto, SonicWall, etc.)
  • Hands-on experience supporting multi-site WAN environments
  • Knowledge of data center networking concepts and architectures
  • Experience with network monitoring and troubleshooting tools
  • Solid understanding of network security principles

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