Network Engineer

We seeking an experienced Senior Network Engineer to join its network engineering function on a 12‑month contract basis. The successful candidate will play a key role in the design, build, and operation of large‑scale optical and IP networks.

• PAYE Contract / 12 months
• On-site / Dublin
• Stamp 1G / Stamp 4 / EU Passport

Key Responsibilities

• Design, build, and scale global DWDM optical networks
• Develop and maintain processes for optical network operations
• Drive initiatives to improve network quality, resilience, and performance
• Evaluate new technologies and support commercial tender processes
• Ensure compliance with optical networking standards
• Review, plan, and implement changes across optical systems
• Provide advanced network analysis and troubleshooting support

Required Experience & Skills

• Minimum 4 years’ experience in Optical Network Operations or Support
• Proven experience delivering and operating large DWDM network rollouts
• Strong knowledge of optical planning and modelling tools
• Hands‑on experience with DWDM platforms including Ciena, Infinera, and Cisco
• Experience with Cisco and Juniper routing platforms
• Strong understanding of IP networking fundamentals and protocols
• Excellent analytical and troubleshooting skills

Technical Expertise

• DWDM, T1/DS1, DS3, SONET (OC3, OC48)
• IPv4 and IPv6, TCP
• BGP, OSPF, HSRP and GLBP
• VLANs and STP, PIMv2, IGMP, LDP
• IPSEC, VPNs, TACACS, NetFlow, DNS, HTTP

This is an excellent opportunity to work on complex, large‑scale network infrastructure within a highly technical environment.