Network Migration Engineer
Posted 1 week ago by ASK4
£50,000 Per year
Undetermined
Onsite
Sheffield, England, United Kingdom
Summary: The Network Migration Engineer will support a large-scale dark fibre rollout by configuring core network equipment and directing field engineering teams. This role involves delivering secure and well-documented network migrations from standard links to dark fibre across multiple sites. The engineer will ensure that network changes are designed, implemented, and validated correctly while collaborating with various stakeholders. The position is office-based and requires a strong background in network configuration and migration processes.
Key Responsibilities:
- Configure and manage core network equipment to support dark fibre deployments.
- Implement routing, switching, VLANs, and segmentation to meet migration requirements.
- Ensure correct integration of local staff networks, OSNs, and core services.
- Support migration from tail links and NNI circuits to dark fibre.
- Create and execute detailed migration plans in advance of site cutovers.
- Coordinate and support site migrations across multiple locations.
- Provide technical direction to field engineering teams during deployments.
- Provide fault finding, diagnostics, and performance verification post-migration.
- Validate network configurations and ensure services are operating as expected.
- Produce clear and accurate configuration and migration documentation.
Key Skills:
- Proven experience configuring core network equipment (routers, switches, firewalls, OOB devices).
- Strong experience with dark fibre networks and site migrations (tail links, NNI transitions).
- Solid understanding of network fundamentals including routing, switching, VLANs, and IP networking.
- Ability to interpret network diagrams, schematics, and technical designs.
- Proven track record in network troubleshooting and validation.
- Strong attention to detail with a focus on accurate configuration and documentation.
- Ability to work independently in a structured, delivery-focused environment.
Salary (Rate): £50,000.00 yearly
City: Sheffield
Country: United Kingdom
Working Arrangements: on-site
IR35 Status: undetermined
Seniority Level: undetermined
Industry: IT
We are seeking an experienced Network Migration Engineer to support a large-scale dark fibre rollout programme on a contract basis. This role focuses on the configuration of core network equipment, supporting and directing field engineering teams, and delivering the migration of sites from standard tail links and NNI circuits to dark fibre . Working from the office, you will play a key role in ensuring network changes are designed, implemented, and validated correctly, with responsibility for delivering secure, stable, and well-documented network migrations across multiple site s.
What You’ll Be Do ing
- Network Configuration & Integra tion
- Configure and manage core network equipment to support dark fibre deploym ents
- Implement routing, switching, VLANs, and segmentation to meet migration requirem ents
- Ensure correct integration of local staff networks, OSNs, and core serv ices
- Work with multi-vendor environments to deliver consistent network outc omes
- Migration Deli very
- Support migration from tail links and NNI circuits to dark f ibre
- Create and execute detailed migration plans in advance of site cuto vers
- Coordinate and support site migrations across multiple locat ions
- Provide technical direction to field engineering teams during deploym ents
- Troubleshooting & Valida tion
- Provide fault finding, diagnostics, and performance verification post-migra tion
- Validate network configurations and ensure services are operating as expe cted
- Interpret network diagrams, schematics, and site designs to support deli very
- Collaboration & Documenta tion
- Liaise with project managers, field engineers, and third-party suppl iers
- Produce clear and accurate configuration and migration documenta tion
- Ensure all activities comply with security, operational, and safety stand ards
What We’re Lookin g For
- Esse ntial
- Proven experience configuring core network equipment (routers, switches, firewalls, OOB de vices)
- Strong experience with dark fibre networks and site migrations (tail links, NNI transi tions)
- Solid understanding of network fundamentals including routing, switching, VLANs, and IP netw orking
- Experience working with local staff networks and OSN integ ration
- Ability to interpret network diagrams, schematics, and technical d esigns
- Proven track record in network troubleshooting and vali dation
- Strong attention to detail with a focus on accurate configuration and documen tation
- Ability to work independently in a structured, delivery-focused envir onment
- De sirable
- Experience with carrier-grade equipment, s uch as:
- Edgecore switches (OcNOS)
- Opengear console servers
- APC PDUs and UPS systems
- MikroTik routers and s witches
- Understanding of fibre principles, including attenuation, ILM, OTDR, and IOLM testing
- Knowledge of network security and access control pr actices
- Experience on large-scale ISP rollout or migration pro grammes
- Exposure to multi-vendor network envir onments
- Familiarity with MPLS, load balancing, and network security pr otocols
- Knowledge of ITIL fra meworks