Senior Network Support Engineer - ISP

Hamilton Barnes Associates Limited; New York (NY); Hybrid; USD 102,000 - 120,000; Full time

Job summary

A New York-based ISP is looking for a Senior Network Support Engineer to deliver expert-level support across its Juniper-based infrastructure. The role requires troubleshooting complex networking issues and ensuring reliable internet services for business clients, while offering the chance to work with cutting-edge technologies in a fast-growing organization.

Benefits

Travel & commute reimbursement

Mapped out progression plan

Flexible hybrid schedule

Qualifications

• 4+ years in a network support role, ideally in an ISP, MSP, or data center environment.
• Hands-on experience with Juniper routers and switches.
• Strong knowledge of BGP, OSPF, IS-IS, or MPLS.

Responsibilities

• Provide technical support for Juniper routers and switches, ensuring optimal network performance.
• Troubleshoot and resolve issues related to BGP and other routing protocols.
• Analyze network performance, identify potential issues, and implement solutions to optimize efficiency.

Skills

BGP

OSPF

IS-IS

MPLS

Layer 2 transport methods (VPWS, VPLS, EVPN)

Tools

Juniper routers and switches

Job description

A New York-based internet service provider, known for its fully owned fiber-optic network and industry-leading customer experience, is seeking a highly skilled Senior Network Support Engineer to join its team.

The role involves troubleshooting complex networking issues, delivering expert-level support across Juniper-based infrastructure, and ensuring the consistent delivery of reliable, high-performance internet service for business clients. This is an exciting opportunity for a seasoned network professional to make a meaningful impact within a fast-growing, tech-forward organization.

Interested candidates are encouraged to apply and take the next step in advancing their networking career with a company that values innovation, agility, and customer satisfaction.

Responsibilities:

• Provide technical support for Juniper routers and switches, ensuring optimal network performance.
• Troubleshoot and resolve issues related to BGP and other routing protocols, as well as layer 2/3 network configurations.
• Act as a key escalation point for network-related support issues, working closely with customers and internal teams.
• Analyze network performance, identify potential issues, and implement solutions to optimize efficiency.
• Assist with network upgrades, deployments, and configuration changes as required.

Skills/Must have:

• 4+ years in a network support role, ideally in an ISP, MSP, or data center environment.
• Hands-on experience with Juniper routers and switches.
• Strong knowledge of BGP, OSPF, IS-IS, or MPLS.
• Expertise in layer 2 transport methods such as VPWS, VPLS, or EVPN.

What’s in it for you?

• Work with cutting-edge network technologies in a fast-growing ISP environment.
• Directly impact the reliability and performance of a high-capacity fiber-optic network.
• Engage with customers and internal teams to solve critical networking challenges.

Benefits:

• Travel & commute reimbursement
• Mapped out progression plan
• Flexible hybrid schedule

Salary:

• Up to $120,000 base salary