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Senior Ip Core Network Engineer Jobs (NOW HIRING)

AIG

Senior Core Network Engineer

Houston, TX · Hybrid

$99K - $136K/yr

Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ... Serve as the senior technical lead for core network, cloud connectivity, and application delivery ...

AIG

Senior Core Network Engineer

Jersey City, NJ · Hybrid

$108K - $148K/yr

Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ... Serve as the senior technical lead for core network, cloud connectivity, and application delivery ...

AIG

Senior Core Network Engineer

Atlanta, GA · Hybrid

$100K - $137K/yr

Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ... Serve as the senior technical lead for core network, cloud connectivity, and application delivery ...

AIG

Senior Core Network Engineer

Philadelphia, PA · Hybrid

$104K - $143K/yr

Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ... Serve as the senior technical lead for core network, cloud connectivity, and application delivery ...

AIG

Senior Core Network Engineer

Charlotte, NC · Hybrid

$101K - $139K/yr

Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ... Serve as the senior technical lead for core network, cloud connectivity, and application delivery ...

Eclaro

Core Network Engineer (IMS)

Richardson, TX

Core Network Engineer (IMS) Job Number: 26-00673 Use your skills where innovative technology ... IP networking, including IPv4 and IPv6, VPN IPSec and Point-to-Point, transport layer protocols ...

Eclaro

Core Network Engineer (IMS)

Richardson, TX

Core Network Engineer (IMS) Job Number: 26-00673 Use your skills where innovative technology ... IP networking, including IPv4 and IPv6, VPN IPSec and Point-to-Point, transport layer protocols ...

C3EL

Senior Network Engineer

Honolulu, HI · On-site

$102K - $140K/yr

Senior Network Engineer Fort Shafter Flats, HI **CONTINGENT UPON CONTRACT AWARD** Overview: Job ... This position is responsible for the design, installation, configuration, and maintenance of core ...

Peregrine

Senior Network Engineer

San Francisco, CA · On-site

$122K - $167K/yr

They are seeking a Senior Network Engineer to join their Infrastructure team, responsible for ... core network protocols such as: LACP, Ethernet, VLANs, ARP, TCP/IP, Routing Protocols, DHCP, DNS ...

Eclaro

Core Network Engineer 5G

Richardson, TX

Core Network Engineer 5G Job Number: 26-00605 Use your skills where innovative technology solutions begin. ECLARO is looking for a Core Network Engineer 5G for our client in Richardson, TX. ECLARO ...

Eclaro

Core Network Engineer 5G

Richardson, TX

Core Network Engineer 5G Job Number: 26-00605 Use your skills where innovative technology solutions begin. ECLARO is looking for a Core Network Engineer 5G for our client in Richardson, TX. ECLARO ...

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Senior Ip Core Network Engineer information

See salary details

$42.5K

$123.8K

$175K

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

As of Jun 9, 2026, the average yearly pay for senior ip 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 does a Senior IP Core Network Engineer do?

A Senior IP Core Network Engineer is responsible for designing, implementing, and maintaining the core IP network infrastructure for an organization, typically within telecommunications or large enterprise environments. They ensure reliable, high-performance connectivity by configuring routers, switches, and other network devices, as well as troubleshooting complex network issues. In addition, they often lead projects, mentor junior engineers, and stay updated with the latest networking technologies and standards. Their work is crucial for supporting large-scale data, voice, and video communication services.

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

Senior IP Core Network Engineers often encounter challenges such as ensuring high network availability, managing complex migrations, and integrating new technologies into existing infrastructure. These professionals routinely address these issues by conducting thorough planning, leveraging automation tools, and collaborating closely with cross-functional teams such as security and operations. Staying updated on industry best practices and proactively monitoring network performance also play a crucial role in overcoming these challenges and maintaining seamless network operations.

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

AspectSenior Ip Core Network EngineerNetwork Operations Center (NOC) Engineer
CertificationsCCNP, CCIE, Cisco certificationsNetwork+ or CCNA, vendor-specific certifications
Work EnvironmentDesign, optimize, and troubleshoot IP core networksMonitor, maintain, and support network infrastructure
Industry UsageTelecommunications, ISPs, large enterprise networksService providers, enterprise network support centers

The Senior Ip Core Network Engineer focuses on designing and optimizing core network infrastructure, requiring advanced certifications and technical expertise. In contrast, a NOC Engineer primarily monitors and maintains existing networks, often working in a support or troubleshooting role. 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 IP Core Network Engineer, and why are they important?

To thrive as a Senior IP Core Network Engineer, you need in-depth knowledge of IP networking, routing protocols (such as BGP, OSPF, and MPLS), and a degree in computer science, information technology, or a related field. Expertise in configuring and troubleshooting major network equipment (like Cisco, Juniper), experience with network monitoring tools, and certifications such as CCNP or CCIE are highly valued. Strong analytical thinking, effective communication, and the ability to manage complex projects are crucial soft skills in this role. These skills and qualifications are vital to ensure reliable, secure, and high-performance core network infrastructure for large organizations.
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Senior Ip Core Network Engineer jobs near you
Infographic showing various Senior Ip Core Network Engineer job openings in the United States as of June 2026, with employment types broken down into 69% Full Time, 28% Part Time, 1% Temporary, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $123,786 per year, or $59.5 per hour.

Senior Core Network Engineer

Aspire Broadband Holding Inc

Lake Mary, FL • On-site

$115K - $130K/yr

Full-time

Medical, Dental, Vision, Life, PTO

Posted 6 days ago

Job description

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.
Requirements: