Senior Core Network Engineer
$130K - $150K/yr
Design, implement, and maintain high-availability IP/MPLS core networks . * Engineer scalable BGP ... FTTH & Access Network Engineering * Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON ...
$130K - $150K/yr
Design, implement, and maintain high-availability IP/MPLS core networks . * Engineer scalable BGP ... FTTH & Access Network Engineering * Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON ...
$130K - $150K/yr
Design, implement, and maintain high-availability IP/MPLS core networks . * Engineer scalable BGP ... FTTH & Access Network Engineering * Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON ...
$115K - $130K/yr
Design, implement, and maintain high-availability IP/MPLS core networks . * Engineer scalable BGP ... FTTH & Access Network Engineering * Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON ...
$115K - $130K/yr
Design, implement, and maintain high-availability IP/MPLS core networks . * Engineer scalable BGP ... FTTH & Access Network Engineering * Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON ...
Lake Mary, FL · On-site
$115K - $130K/yr
Design, implement, and maintain high-availability IP/MPLS core networks . * Engineer scalable BGP ... FTTH & Access Network Engineering * Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON ...
Quick apply
Lake Mary, FL · On-site
$115K - $130K/yr
Design, implement, and maintain high-availability IP/MPLS core networks . * Engineer scalable BGP ... FTTH & Access Network Engineering * Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON ...
Moorpark, CA · On-site
$130K - $150K/yr
Design, implement, and maintain high-availability IP/MPLS core networks . * Engineer scalable BGP ... FTTH & Access Network Engineering * Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON ...
Moorpark, CA · On-site
$130K - $150K/yr
Design, implement, and maintain high-availability IP/MPLS core networks . * Engineer scalable BGP ... FTTH & Access Network Engineering * Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON ...
Lake Mary, FL · On-site
$115K - $130K/yr
Design, implement, and maintain high-availability IP/MPLS core networks . * Engineer scalable BGP ... FTTH & Access Network Engineering * Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON ...
Lake Mary, FL · On-site
$115K - $130K/yr
Design, implement, and maintain high-availability IP/MPLS core networks . * Engineer scalable BGP ... FTTH & Access Network Engineering * Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON ...
Moorpark, CA · On-site
$130K - $150K/yr
Design, implement, and maintain high-availability IP/MPLS core networks . * Engineer scalable BGP ... FTTH & Access Network Engineering * Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON ...
Quick apply
Moorpark, CA · On-site
$130K - $150K/yr
Design, implement, and maintain high-availability IP/MPLS core networks . * Engineer scalable BGP ... FTTH & Access Network Engineering * Design and support FTTH (Fiber-to-the-Home) GPON/XGS-PON ...
Jersey City, NJ · Hybrid
$108K - $148K/yr
Lead engineering in enterprise core network and cloud networking environments across on-premises ... Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ...
Jersey City, NJ · Hybrid
$108K - $148K/yr
Lead engineering in enterprise core network and cloud networking environments across on-premises ... Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ...
Philadelphia, PA · Hybrid
$104K - $143K/yr
Lead engineering in enterprise core network and cloud networking environments across on-premises ... Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ...
Philadelphia, PA · Hybrid
$104K - $143K/yr
Lead engineering in enterprise core network and cloud networking environments across on-premises ... Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ...
Houston, TX · Hybrid
$99K - $136K/yr
Lead engineering in enterprise core network and cloud networking environments across on-premises ... Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ...
Houston, TX · Hybrid
$99K - $136K/yr
Lead engineering in enterprise core network and cloud networking environments across on-premises ... Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ...
Atlanta, GA · Hybrid
$100K - $137K/yr
Lead engineering in enterprise core network and cloud networking environments across on-premises ... Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ...
Atlanta, GA · Hybrid
$100K - $137K/yr
Lead engineering in enterprise core network and cloud networking environments across on-premises ... Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ...
Charlotte, NC · On-site
$101K - $139K/yr
Lead engineering in enterprise core network and cloud networking environments across on-premises ... Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ...
Charlotte, NC · On-site
$101K - $139K/yr
Lead engineering in enterprise core network and cloud networking environments across on-premises ... Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ...
Charlotte, NC · Hybrid
$101K - $139K/yr
Lead engineering in enterprise core network and cloud networking environments across on-premises ... Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ...
Charlotte, NC · Hybrid
$101K - $139K/yr
Lead engineering in enterprise core network and cloud networking environments across on-premises ... Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred). * Engineer and ...
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 ...
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 ...
Richardson, TX · On-site
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 ...
Richardson, TX · On-site
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 ...
$106K - $145K/yr
Lumos Fiber is seeking a Sr. Engineer, Core Network to help design, build, and optimize the core ... The ideal candidate brings deep expertise in IP networking, a passion for continuous improvement ...
$106K - $145K/yr
Lumos Fiber is seeking a Sr. Engineer, Core Network to help design, build, and optimize the core ... The ideal candidate brings deep expertise in IP networking, a passion for continuous improvement ...
$103K - $142K/yr
Lumos Fiber is seeking a Sr. Engineer, Core Network to help design, build, and optimize the core ... The ideal candidate brings deep expertise in IP networking, a passion for continuous improvement ...
$33.87 - $55.31/hr
The Network Engineer will help establish network standards, lead deployment projects, manage core ... IPAM (IP Address Management), and VLAN configurations. * Utilize network diagnostic tools to ...
Quick apply
$33.87 - $55.31/hr
The Network Engineer will help establish network standards, lead deployment projects, manage core ... IPAM (IP Address Management), and VLAN configurations. * Utilize network diagnostic tools to ...
Philadelphia, PA · On-site
... volume IP Video Surveillance (IPVS). The ideal candidate is a technical leader who bridges ... Develop and maintain the MPLS core network architecture, including L2/L3 VPNs, Traffic.
Quick apply
Philadelphia, PA · On-site
... volume IP Video Surveillance (IPVS). The ideal candidate is a technical leader who bridges ... Develop and maintain the MPLS core network architecture, including L2/L3 VPNs, Traffic.
The Network Engineer will focus on optimizing the performance of high-capacity IP networks by ... Core IP routing technologies and vendors, specifically Cisco and Nokia * IPv4 and IPv6 subnetting ...
The Network Engineer will focus on optimizing the performance of high-capacity IP networks by ... Core IP routing technologies and vendors, specifically Cisco and Nokia * IPv4 and IPv6 subnetting ...
Plano, TX · On-site
The Network Engineer will focus on optimizing the performance of high-capacity IP networks by ... Core IP routing technologies and vendors, specifically Cisco and Nokia * IPv4 and IPv6 subnetting ...
Plano, TX · On-site
The Network Engineer will focus on optimizing the performance of high-capacity IP networks by ... Core IP routing technologies and vendors, specifically Cisco and Nokia * IPv4 and IPv6 subnetting ...
$31K - $42.5K
0% of jobs
$42.5K - $54.1K
1% of jobs
$54.1K - $65.6K
3% of jobs
$65.6K - $77.2K
7% of jobs
$77.2K - $88.7K
12% of jobs
$89.7K is the 25th percentile. Wages below this are outliers.
$88.7K - $100.3K
21% of jobs
The median wage is $104.8K / yr.
$100.3K - $111.8K
15% of jobs
$111.8K - $123.4K
12% of jobs
$129.5K is the 75th percentile. Wages above this are outliers.
$123.4K - $134.9K
8% of jobs
$134.9K - $146.5K
19% of jobs
$146.5K - $158K
2% of jobs
$31K
$109K
$158K
An IP Core Network Engineer is responsible for designing, implementing, and maintaining the core infrastructure of an IP-based network. They ensure efficient data transmission, network scalability, and security within service provider or enterprise networks. Their role includes configuring routers, switches, and firewalls, troubleshooting network issues, and optimizing performance. These engineers work with protocols like BGP, MPLS, and OSPF to maintain high availability and reliability. They also collaborate with other teams to integrate new technologies and support business operations.
To thrive as an IP Core Network Engineer, you need a strong grasp of networking protocols (such as MPLS, BGP, OSPF), network design, and troubleshooting, typically supported by a degree in computer science, information technology, or related fields. Familiarity with routing and switching hardware from vendors like Cisco, Juniper, and Nokia, as well as certifications such as CCNP, JNCIP, or equivalent, is highly valuable. Excellent problem-solving skills, effective communication, and the ability to work well under pressure are crucial soft skills for this position. These abilities enable engineers to ensure continuous, reliable service and to collaborate efficiently within network operations and engineering teams.
As an IP Core Network Engineer, you’ll frequently be involved in projects such as designing scalable core networks, integrating new technologies, and implementing major upgrades or migrations. Common challenges include troubleshooting complex network faults, optimizing traffic flows, and ensuring high availability for critical services. You’ll often work in cross-functional teams alongside network architects, security specialists, and operations staff to deliver robust connectivity solutions. This environment offers ongoing opportunities to develop advanced technical skills and take on increasing responsibilities as your expertise grows.

$130K - $150K/yr
Other
Medical, Dental, Vision, Life, PTO
Posted 3 days ago
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
FTTH & Access Network Engineering
Routing & Switching (Arista Focus)
ISP Operations & Optimization
Automation & Documentation
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
Why Join Us?