Senior Network Engineer – Hybrid (Belfast)

eir business talent; Belfast City District; Hybrid; GBP 60,000 - 85,000; Full time

Job summary

eir business talent in Belfast, Northern Ireland, is seeking a Senior Network Engineer for a permanent, hybrid role requiring three onsite days per week. You will design, implement, and support enterprise network and security solutions while advising customers and collaborating with partners.

You will work on LAN/WAN/WLAN, MPLS, data centre networks, and security architectures, with exposure to Fortinet technologies and industry certifications being desirable.

Qualifications

• Strong experience with Cisco enterprise networking technologies, including LAN, WAN and WLAN.
• Experience across network security technologies, including Firewalls, IPS, UTM/UTM, SASE, ZTNA, Cloud Security.
• Experience designing and supporting Enterprise LAN and Wi-Fi environments.
• MPLS, Internet and Layer 2 VPN solutions.
• Data centre networking and switching environments.
• Strong understanding of enterprise-class IP networking environments.
• Experience working with enterprise or public sector customers.
• Excellent communication and stakeholder management skills.
• Fortinet technologies including FortiGate, FortiSwitch, FortiWireless, FortiSASE (desirable).
• Relevant certifications such as CCNP, Cisco Security certifications, Fortinet certifications (FCA, FCP, FCCS, FCX) (desirable).

Responsibilities

• Act as a trusted technical adviser for enterprise customers.
• Design, implement, and support network and security solutions.
• Review solution designs and provide expert technical guidance.
• Deliver network optimisation and reliability improvements across customer environments.
• Develop technical documentation, testing plans, and implementation procedures.
• Ensure solutions meet security best practices and regulatory requirements.
• Collaborate with vendors and technology partners on emerging solutions.
• Contribute to innovation, knowledge sharing, and continuous service improvement.
• Participate in a 24x7 on-call rotation supporting critical customer services.
• Support the ongoing development of colleagues through mentoring and technical leadership.

Skills

Cisco networking

LAN/WAN/WLAN

Network security

IP networking

Enterprise networking

Stakeholder mgmt

Fortinet

Tools

Fortinet

Job description

eir business talent in Belfast, Northern Ireland, is seeking a Senior Network Engineer for a permanent, hybrid role requiring three onsite days per week. You will design, implement, and support enterprise network and security solutions while advising customers and collaborating with partners.

You will work on LAN/WAN/WLAN, MPLS, data centre networks, and security architectures, with exposure to Fortinet technologies and industry certifications being desirable.