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Full Time Core Network Engineer Jobs (NOW HIRING)

Aspire Fiber

Senior Core Network Engineer

Lake Mary, FL · On-site

$115K - $130K/yr

Position Summary We are seeking a highly experienced Senior Core Network Engineer to lead the design, implementation, and optimization of our carrier-grade IP/MPLS and FTTH network infrastructure.

Grid Networks

Senior Core Network Engineer

Reston, VA · On-site

$200K - $231K/yr

GRID Networks is seeking a Senior Core Network Engineer to join our mobile team. This role is critical to ensure the mobile network is healthy. Through automation, not just monitoring dashboards, you ...

Grid Networks

Senior Core Network Engineer

Reston, VA · On-site

$200K - $231K/yr

GRID Networks is seeking a Senior Core Network Engineer to join our mobile team. This role is critical to ensure the mobile network is healthy. Through automation, not just monitoring dashboards, you ...

Leidos

Sr. Core Network Engineer

Chantilly, VA · On-site

$92K - $166K/yr

Leidos has an opening for Sr. CORE Network Engineer to support our government customers' global enterprise networks. Network Architecture provides solutions for modernizing the network components ...

Leidos

Sr. Core Network Engineer

Chantilly, VA

$92K - $166K/yr

Leidos has an opening for Sr. CORE Network Engineer to support our government customers' global enterprise networks. Network Architecture provides solutions for modernizing the network components ...

C3EL

Senior Network Engineer

Honolulu, HI

$102K - $140K/yr

Senior Network Engineer Security Clearance: Secret Location : Fort Shafter Flats, HI (Due to the ... This position is responsible for the design, installation, configuration, and maintenance of core ...

Wideopenwest

Principal Engineer, Core Network

Denver, CO · On-site

$160K/yr

Principal Engineer, Core Network Location Requirement: This position operates on a hybrid schedule (3 days in-office, 2 days remote). Candidates must be within 45 minutes of an office and able to ...

Wow

Principal Engineer, Core Network

Denver, CO · On-site

$160K/yr

Principal Engineer, Core Network Location Requirement: This position operates on a hybrid schedule (3 days in-office, 2 days remote). Candidates must be within 45 minutes of an office and able to ...

Wow

Principal Engineer, Core Network

Madison Heights, MI · On-site

$160K/yr

Principal Engineer, Core Network Location Requirement: This position operates on a hybrid schedule (3 days in-office, 2 days remote). Candidates must be within 45 minutes of an office and able to ...

Wow

Principal Engineer, Core Network

Charleston, SC · On-site

$160K/yr

Principal Engineer, Core Network Location Requirement: This position operates on a hybrid schedule (3 days in-office, 2 days remote). Candidates must be within 45 minutes of an office and able to ...

Wow

Principal Engineer, Core Network

Huntsville, AL · On-site

$160K/yr

Principal Engineer, Core Network Location Requirement: This position operates on a hybrid schedule (3 days in-office, 2 days remote). Candidates must be within 45 minutes of an office and able to ...

Wow

Principal Engineer, Core Network

Augusta, GA

$160K/yr

Principal Engineer, Core Network Location Requirement: This position operates on a hybrid schedule (3 days in-office, 2 days remote). Candidates must be within 45 minutes of an office and able to ...

Wow

Principal Engineer, Core Network

Pinellas Park, FL · On-site

$160K/yr

Principal Engineer, Core Network Location Requirement: This position operates on a hybrid schedule (3 days in-office, 2 days remote). Candidates must be within 45 minutes of an office and able to ...

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Full Time Core Network Engineer information

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How much do full time core network engineer jobs pay per year?

As of Aug 23, 2026, the average yearly pay for full time core network engineer in the United States is $109,040.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,000.00 and $133,500.00 per year, depending on experience, location, and employer.

What is a full time core network engineer?

Full Time Core Network Engineers are IT professionals responsible for designing, implementing, maintaining, and optimizing the core components of a telecommunications or enterprise network. Their work ensures reliable connectivity, high performance, and secure data transmission across the network infrastructure. They often manage routers, switches, firewalls, and other critical hardware, and may troubleshoot network issues, plan upgrades, and collaborate with other IT teams. Being 'full time' means they work standard or extended hours as permanent employees, rather than on a contract or part-time basis.

What are the key skills and qualifications needed to thrive as a full time core network engineer?

To thrive as a Full Time Core Network Engineer, you need a solid understanding of network protocols, routing and switching, and typically hold a degree in computer science or a related field. Familiarity with tools like Cisco IOS, Juniper Junos, network monitoring systems, and certifications such as CCNP or JNCIP are highly valued. Strong problem-solving skills, attention to detail, and the ability to communicate complex technical concepts clearly are essential soft skills. These competencies enable efficient management of complex networks, minimize downtime, and ensure reliable connectivity crucial for organizational operations.

What are some common challenges a full time core network engineer may face when working with evolving network technologies?

As a Core Network Engineer, one frequent challenge is keeping up with rapidly changing technologies, such as the transition from legacy systems to next-generation networks like 5G or SDN (Software Defined Networking). Integrating new solutions with existing infrastructure often requires deep troubleshooting skills and close collaboration with cross-functional teams, including operations and security. Additionally, maintaining network reliability while implementing upgrades can be demanding, making proactive planning and continuous learning essential for success in this role.

What is the difference between Full Time Core Network Engineer vs Network Operations Center (NOC) Technician?

AspectFull Time Core Network EngineerNetwork Operations Center (NOC) Technician
CredentialsNetworking certifications (e.g., CCNA, CCNP)Networking certifications (e.g., CompTIA Network+)
Work EnvironmentDesign, implement, and maintain core network infrastructureMonitor and troubleshoot network issues in real-time
Employer & Industry UsageTelecom, ISPs, large enterprisesTelecom, ISPs, managed service providers

Full Time Core Network Engineers focus on designing and maintaining the core network infrastructure, requiring advanced certifications and technical expertise. NOC Technicians primarily monitor and troubleshoot network issues in real-time, often working in a 24/7 environment. Both roles are essential in network operations but differ in scope and responsibilities.

What cities are hiring for Full Time Core Network Engineer jobs?

Cities with the most Full Time 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 Full Time Core Network Engineer jobs?

States with the most job openings for Full Time Core Network Engineer jobs include:

Full Time Core Network Engineer jobs near you

Senior Core Network Engineer

Aspire Fiber

Lake Mary, FL • On-site

$115K - $130K/yr

Full-time

Medical, Dental, Vision, Life, PTO

Re-posted 23 days ago

Job description

Position Summary
We are seeking a highly experienced Senior Core Network Engineer to lead the design, implementation, and optimization of our carrier-grade IP/MPLS and FTTH network infrastructure. This role is critical to ensuring scalability, resiliency, and performance across our core, aggregation, and access networks.
The ideal candidate has deep experience operating within an Internet Service Provider (ISP) or telecommunications environment, with hands-on expertise in Adtran access platforms, Arista routing/switching, and large-scale FTTH deployments.
This is a senior-level technical role requiring both architectural leadership and advanced operational troubleshooting capability.
Key Responsibilities
Core Network Architecture & Engineering
  • Design, implement, and maintain high-availability IP/MPLS core networks.
  • Engineer scalable BGP-based edge and peering infrastructure.
  • Architect resilient L2/L3 topologies for aggregation and backbone layers.
  • Lead IPv4/IPv6 dual-stack strategy and deployment.

FTTH & Access Network Engineering
  • Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON environments.
  • Configure and manage Adtran OLTs, aggregation platforms, and access systems.
  • Support subscriber provisioning models and service delivery frameworks.
  • Collaborate with outside plant (OSP) and field engineering teams.

Routing & Switching (Arista Focus)
  • Deploy and support Arista switching and routing platforms in core and aggregation roles.
  • Implement EVPN/VxLAN where applicable.
  • Optimize traffic engineering, QoS, and multicast routing.

ISP Operations & Optimization
  • Support upstream providers, IX peering, and transit relationships.
  • Perform traffic capacity planning and bandwidth forecasting.
  • Lead root cause analysis of network outages and performance incidents.
  • Develop monitoring, alerting, and performance visibility standards.
  • Participate in Tier 3 escalation and on-call rotation.

Automation & Documentation
  • Drive automation initiatives (Python, Ansible, etc.).
  • Maintain accurate network diagrams, IP schema, and routing policies.
  • Develop operational runbooks and engineering standards.

  • Required Qualifications
    • 7-10+ years of experience in a carrier, ISP, or telecommunications environment.
    • Extensive experience with:
    - Adtran platforms (OLT, aggregation, access equipment)
    - Arista switches and routers
    - FTTH architecture and subscriber networks
    • Deep expertise in:
    - BGP (iBGP, eBGP, route reflectors)
    - OSPF and/or IS-IS
    - MPLS (L2VPN/L3VPN preferred)
    - VLAN, QinQ, QoS
    - Multicast (PIM)
    • Experience with ISP edge routing and peering design.
    • Strong troubleshooting skills in production networks serving large subscriber bases.
    • Experience designing high-availability and redundant architectures.

Preferred Qualifications
• Experience with GPON and XGS-PON design.
• Familiarity with BRAS/BNG architectures.
• Experience with subscriber management and AAA (RADIUS).
• Knowledge of DDoS mitigation and ISP security best practices.
• Experience with DWDM or transport integration.
• Industry certifications:
- CCNP/CCIE (Service Provider preferred)
- Arista ACE
- MEF or equivalent carrier certifications
Key Competencies
  • Carrier-grade design mindset
  • Strong understanding of ISP traffic patterns and subscriber behavior
  • Ability to operate in fast-growing network environments
  • Excellent documentation and cross-team communication skills
  • Leadership capability for mentoring junior engineers

Why Join Us?
  • Build and scale next-generation fiber infrastructure.
  • Work in a high-growth ISP environment.
  • Influence core network strategy.
  • Competitive compensation and benefits.
  • Medical, Dental, Vision, Long Term Disability, Short Term Disability and Voluntary Buy Up of Life Insurance
  • Paid time off
  • Parental Leave
  • Team Building events
  • Opportunity for technical leadership and career growth.

Salary Description
$115,000-$130,000 / year

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