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Senior Core Network Engineer Jobs (NOW HIRING)

Senior Core Network Engineer

Atlanta, GA · Hybrid

$100K - $137K/yr

How you will create an impact We are seeking a highly skilled and experienced Senior Core Network Engineer with deep expertise in core networking, cloud networking, application delivery, and ...

New

Senior Core Network Engineer

Philadelphia, PA · Hybrid

$104.90K - $143.80K/yr

How you will create an impact We are seeking a highly skilled and experienced Senior Core Network Engineer with deep expertise in core networking, cloud networking, application delivery, and ...

New

Senior Core Network Engineer

Jersey City, NJ · Hybrid

$108.60K - $148.70K/yr

How you will create an impact We are seeking a highly skilled and experienced Senior Core Network Engineer with deep expertise in core networking, cloud networking, application delivery, and ...

New

Senior Core Network Engineer

Houston, TX · Hybrid

$99.30K - $136.10K/yr

How you will create an impact We are seeking a highly skilled and experienced Senior Core Network Engineer with deep expertise in core networking, cloud networking, application delivery, and ...

New

Senior Core Network Engineer

Charlotte, NC · Hybrid

$101.60K - $139.20K/yr

How you will create an impact We are seeking a highly skilled and experienced Senior Core Network Engineer with deep expertise in core networking, cloud networking, application delivery, and ...

New

Senior Core Network Engineer

Charlotte, NC · On-site

$101.60K - $139.20K/yr

AIG is a global leader in commercial and personal insurance solutions, and they are seeking a Senior Core Network Engineer. This role is critical to the design, engineering, modernization, and ...

New

Senior Core Network Engineer

Sunnyvale, CA · On-site

$122.10K - $167.20K/yr

We are looking for a Senior Core Network Engineer to join the Core & Transport team. In this role, you will be a key architect of our network's future, responsible for the strategic design ...

$80.20K - $110K/yr

We are currently looking for a Senior Core Network Engineer (HLR/HSS & SDM) in Netherlands. In this role, you will play a key part in designing and optimizing the core network infrastructure that ...

New

Network Architect

Teterboro, NJ · Hybrid

$69.50 - $93.25/hr

The ideal Senior Core Network Architect & Consultant would be someone with deep experience in many (if not all) of the following: * Experience: 12+ years in Network Engineering, with at least 5 years ...

Core Network Engineer - Nokia Location: Plano, TX, US (On-site, Local Candidates Only) Contract Type: 3-Month Contract (C2C) Travel: None Required Final round will be onsite interview Hands-on ...

Senior Network Engineer

Honolulu, HI · On-site

$102.90K - $140.90K/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 ...

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 ...

Senior Network Engineer

Honolulu, HI

$102.70K - $140.70K/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 ...

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 ...

Core Network Engineer (IMS) Job Number: 26-00673 Use your skills where innovative technology solutions begin. ECLARO is looking for a Core Network Engineer (IMS) for our client in Richardson, TX. ...

$103.10K - $141.30K/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 ...

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Senior Core Network Engineer information

See salary details

$42.5K

$123.8K

$175K

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

As of May 28, 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 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 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 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 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 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

Senior Core Network Engineer

AIG

Atlanta, GA • Hybrid

$100K - $137K/yr

Full-time

Posted yesterday


AIG rating

8.4

Company rating: 8.4 out of 10

Based on 21 frontline employees who took The Breakroom Quiz

103rd of 258 rated insurance


Job description

At AIG, we are reimagining the way we help customers to manage risk. Join us as a Load Balancer Solutions Architect to play your part in that transformation. It's an opportunity to grow your skills and experience as a valued member of the team.

Make your mark in Information Technology

At AIG, technology is at the heart of everything we do, from underwriting risks to processing claims. The Information Technology team equips our colleagues with the latest tools to complete their work efficiently and with the highest standards of excellence. The team is responsible for shielding the company's systems from security risks, while designing technology strategies that enable AIG's businesses to achieve their goals. AIG's Information Technology functions include enterprise architecture, software and systems engineering, cybersecurity, and technology risk and compliance.

Get to know the business

At AIG, technology is at the heart of everything we do, from underwriting risks to processing claims. The Information Technology team equips our colleagues with the latest tools to complete their work efficiently and with the highest standards of excellence. The team is responsible for shielding the company's systems from security risks, while designing technology strategies that enable AIG's businesses to achieve their goals. AIG's Information Technology functions include enterprise architecture, software and systems engineering, cybersecurity, and technology risk and compliance.

How you will create an impact

We are seeking a highly skilled and experienced Senior Core Network Engineer with deep expertise in core networking, cloud networking, application delivery, and enterprise infrastructure architecture. This role is critical to the design, engineering, modernization, and operational stability of a large-scale global network backbone supporting both on-premises and cloud environments.

The ideal candidate will possess strong hands-on experience across core routing and switching, cloud networking, F5 application delivery technologies, hybrid connectivity, and large-scale enterprise network design. This individual will play a key role in driving network modernization initiatives, enhancing resiliency and scalability, and supporting critical business services across a global infrastructure footprint.

This position requires a senior-level engineer who can operate both strategically and tactically leading large initiatives, troubleshooting high-impact issues, and collaborating across infrastructure, security, cloud, and application teams.

What you'll need to succeed
  • Lead engineering in enterprise core network and cloud networking environments across on-premises and cloud platforms.

  • Design and implement scalable, resilient, and secure network and traffic management solutions supporting enterprise applications and services.

  • Engineer and support core routing and switching infrastructure.

  • Engineer and support cloud networking architectures across AWS, Azure, and GCP.

  • Engineer and support F5 BIG-IP technologies (LTM, GTM/DNS, ASM, APM preferred).

  • Engineer and support hybrid cloud and data center interconnectivity solutions.

  • Serve as the senior technical lead for core network, cloud connectivity, and application delivery infrastructure initiatives.

  • Partner closely with network engineering, cloud engineering, cybersecurity, application teams, and vendors to deliver integrated solutions.

  • Provide expert-level troubleshooting and root cause analysis for complex production incidents and performance issues.

  • Automate operational tasks and infrastructure workflows using scripting and infrastructure-as-code methodologies where applicable.

  • Evaluate emerging technologies and recommend strategic improvements to enhance reliability, scalability, security, and operational efficiency.

  • Drive continuous improvement initiatives focused on resiliency, automation, observability, and service optimization.

  • Mentor operational engineers and provide technical leadership across cross-functional teams.

  • Manage multiple concurrent projects from design through implementation and operational transition.

Requirements

  • Bachelor's degree in Information Technology, Computer Science, Engineering, or equivalent professional experience.

  • 10+ years of experience in enterprise network engineering with deep expertise in core networking, cloud networking, application delivery infrastructure, hybrid cloud connectivity, and enterprise backbone architectures.

  • F5 certifications preferred.

  • Hands-on experience with AppViewX and enterprise load balancer management platforms.

  • Experience with Prisma SASE (Secure Access Service Edge) technologies and cloud networking platforms such as Alkira is considered a strong advantage.

  • Exposure to Kubernetes ingress controllers, container networking, and modern application connectivity architectures.

  • Working knowledge of network monitoring, telemetry, and observability platforms.

  • Experience supporting large enterprise or financial services environments preferred.

  • Advanced hands-on expertise in enterprise routing and switching technologies.

  • Strong cloud networking experience across AWS, Azure, and GCP environments.

  • Deep expertise with F5 BIG-IP platforms, including LTM (required) and GTM/DNS (preferred).

  • Strong understanding of TCP/IP, BGP, OSPF, DNS, SSL/TLS, routing, and switching technologies.

  • Strong knowledge of high availability, resiliency, and disaster recovery network architectures.

  • Strong understanding of network segmentation, security frameworks, and enterprise security best practices.

  • Experience designing and supporting hybrid connectivity architectures including VPN, AWS Direct Connect, Azure ExpressRoute, and cloud interconnect technologies.

  • Proven track record designing, implementing, and supporting highly available enterprise network infrastructures at scale.

  • Experience with infrastructure automation and scripting tools such as Ansible, Python, Terraform, and REST APIs.

  • Strong analytical and troubleshooting skills with the ability to resolve complex technical issues in high-pressure environments.

  • Excellent communication, stakeholder management, and cross-functional collaboration skills.

  • Ability to work independently while effectively partnering with technical and business teams.

  • Strong project delivery, documentation, and organizational skills.

  • Results-oriented mindset with a strong sense of ownership, accountability, and urgency.

Ready to step up to new challenges? We would love to hear from you.

For positions based in Jersey City, NJ, the base salary range is $99,000-$143,000 and the position is eligible for a bonus in accordance with the terms of the applicable incentive plan. In addition, we're proud to offer a range of competitive benefits, a summary of which can be viewed here: 2025 Benefits Summary

#LI-NK1

#AIGHiring #CoreNetworkEngineer #techroles #technology

At AIG, we value in-person collaboration as a vital part of our culture, which is why we ask our team members to be primarily in the office. This approach helps us work together effectively and create a supportive, connected environment for our team and clients alike.

Enjoy benefits that take care of what matters

At AIG, our people are our greatest asset. We know how important it is to protect and invest in what's most important to you. That is why we created our Total Rewards Program, a comprehensive benefits package that extends beyond time spent at work to offer benefits focused on your health, wellbeing and financial security-as well as your professional development-to bring peace of mind to you and your family.

Reimagining insurance to make a bigger difference to the world

American International Group, Inc. (AIG) is a global leader in commercial and personal insurance solutions; we are one of the world's most far-reaching property casualty networks. It is an exciting time to join us - across our operations, we are thinking in new and innovative ways to deliver ever-better solutions to our customers. At AIG, you can go further to support individuals, businesses, and communities, helping them to manage risk, respond to times of uncertainty and discover new potential. We invest in our largest asset, our people, through continuous learning and development, in a culture that celebrates everyone for who they are and what they want to become.

Welcome to a culture of inclusion

We're committed to creating a culture that truly respects and celebrates each other's talents, backgrounds, cultures, opinions and goals. We foster a culture of inclusion and belonging through learning, cultural awareness activities and Employee Resource Groups (ERGs). With global chapters, ERGs are a cornerstone for our culture of inclusion. The talent of our people is one of AIG's greatest assets, and we are honored that our drive for positive change has been recognized by numerous recent awards and accreditations.

AIG provides equal opportunity to all qualified individuals regardless of race, color, religion, age, gender, gender expression, national origin, veteran status, disability or any other legally protected categories.

AIG is committed to working with and providing reasonable accommodations to job applicants and employees with disabilities. If you believe you need a reasonable accommodation, please send an email to candidatecare@aig.com.

AIG reserves the right to conduct a criminal background check, tailored to the requirements of a job, after a conditional employment offer is made. Unless otherwise required by law, AIG does not automatically exclude any applicant with a criminal conviction for a job or class or jobs. For more information about Philadelphia law specifically, copy and paste the following link within your browser: http://www.phila.gov/HumanRelations/PDF/BTB%20POSTER%20FINAL_3-9-16.pdf

Functional Area:

IT - Information TechnologyAIG GLOBAL OPERATIONS, INC.

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About AIG

Sourced by ZipRecruiter

American International Group, Inc. (AIG) is a leading global insurance organization. Building on 100 years of experience, today AIG member companies provide a wide range of property casualty insurance, life insurance, retirement solutions, and other financial services to customers in more than 80 countries and jurisdictions. These diverse offerings include products and services that help businesses and individuals protect their assets, manage risks and provide for retirement security.

Industry

Insurance services

Company size

10,000+ Employees

Headquarters location

New York, NY, US

Year founded

1919