Senior Network Engineer

September Consulting Ltd; Dublin; On-site; EUR 90,000 - 110,000; Full time

Job summary

September Consulting Ltd is seeking a Senior DWDM Network Engineer in Dublin, Ireland, with expertise in optical networks and IP protocols. The role involves designing and building large-scale global DWDM networks, collaborating with cross-functional teams, and ensuring operational excellence. Must have a Bachelor's degree and at least 7 years of experience in the field. The position offers a competitive salary up to €100,000 and a day rate of €515.

Qualifications

• Minimum 7+ years industry experience in optical networks and IP networking.
• Hands-on experience with DWDM network planning, modelling, and rollout.
• Strong expertise in IP networking fundamentals and protocols.

Responsibilities

• Design, build, and rollout large-scale global DWDM networks.
• Drive scalable network designs to meet growing customer demands.
• Collaborate closely with multiple networking teams across the organisation.

Skills

Optical networking

IP protocols

Network troubleshooting

DWDM network planning

Network analysis

Cisco routers

Juniper routers

BGP

OSPF

Education

Bachelor’s degree in a technology-related field

Tools

Ciena

Infinera

Cisco

Job description

12-Month Contract | Salary up to €100,000 / Day Rate €515

Are you an experienced Network Engineer with deep expertise in optical networks and IP protocols? We’re looking for a Senior DWDM Network Engineer to design, build, and scale a cutting‑edge global DWDM network for a leading technology client.

What You’ll Do:

• Design, build, and rollout large-scale global DWDM networks
• Drive scalable network designs to meet growing customer demands
• Develop and implement processes to operate and build the optical network
• Collaborate closely with multiple networking teams across the organisation
• Evaluate new optical products and lead commercial tender processes
• Ensure network adherence to defined standards and review system changes
• Lead operational excellence projects to enhance network quality and reliability
• Troubleshoot complex network issues and develop innovative solutions daily

What We’re Looking For:

• Bachelor’s degree in a technology‑related field or equivalent experience
• Minimum 7+ years industry experience in optical networks and IP networking
• Hands‑on experience with DWDM network planning, modelling, and rollout
• Strong expertise in IP networking fundamentals and protocols
• Deep knowledge of major DWDM platforms such as Ciena, Infinera, and Cisco
• Experience with Cisco and Juniper routers, including supervisory and line cards
• Solid understanding of internet routing protocols, including BGP and OSPF
• Excellent network analysis and troubleshooting skills
• Familiarity with protocols and technologies including DWDM, T1/DS1, DS3, SONET (OC3, OC48), 802.2/3, VLANs/STP, IPv4/IPv6, TCP, BGP, OSPF, HSRP/GLBP, PIMv2, IGMP, LDP, TACACS, IPSEC/VPNs, Netflow, DNS, HTTP

If you are ready to contribute to a dynamic and innovative network environment, apply today!