Senior Network Engineer — Global Production & Security

Exegy; Belfast City District; On-site; GBP 70,000 - 98,000; Full time

Job summary

Exegy is seeking a Senior Network Engineer to support and maintain our network infrastructure across production, corporate and development networks. You will work with vendors and internal teams to troubleshoot, deploy changes, and ensure secure, reliable connectivity in a fast-paced environment.

The ideal candidate has 5+ years’ experience in hosted services, strong routing protocol knowledge (BGP/OSPF), and hands-on experience with Juniper, Cisco and Arista equipment, including firewall

Qualifications

• 5+ years of experience in a hosted services environment with infrastructure networks
• Degree in Computer Science, Software or Electronic Engineering or related discipline
• Strong experience installing, configuring and maintaining network services, equipment and devices
• Experience with Juniper, Cisco, Arista switching
• Experience with Mellanox InfiniBand switches a plus
• Multicast experience desired
• Experience with RoCE a plus
• Experience with routing protocols including BGP/OSPF
• Good understanding of subnetting, VLANs, NAT and VLAN tagging
• Strong experience with IPSec VPNs and GRE tunnelling
• Demonstrated network security practices
• Strong collaboration with stakeholders across teams
• Datacenter experience including racking and patching of devices
• Knowledge of Fortinet, Check Point, Juniper SRX, Cisco ASA firewalls

Responsibilities

• Provide day-to-day support to Exegy Network Engineering team on production, corporate and development networks
• Perform network administration and maintain network and security devices to enable design/execution handover
• Work with vendors to troubleshoot issues and roll out changes to hosted production environments
• Plan and implement network changes to support business decisions

Skills

Networking

Juniper

Cisco

Arista

Mellanox InfiniBand

BGP/OSPF

IPSec VPNs

GRE tunnelling

Network security

Vendor coordination

Team collaboration

Education

Degree in CS/Engineering

Tools

Fortinet

Check Point

Juniper SRX

Cisco ASA

Job description

Exegy is seeking a Senior Network Engineer to support and maintain our network infrastructure across production, corporate and development networks. You will work with vendors and internal teams to troubleshoot, deploy changes, and ensure secure, reliable connectivity in a fast-paced environment.

The ideal candidate has 5+ years’ experience in hosted services, strong routing protocol knowledge (BGP/OSPF), and hands-on experience with Juniper, Cisco and Arista equipment, including firewall