Senior Transmission Implementation Engineer – Optical Transport

About the role

Trinetix is seeking a Senior Transmission Implementation Engineer to lead the build, expansion, and optimisation of Arelion's optical transport network. You will be responsible for commissioning, migrating and managing DWDM equipment while collaborating with internal teams and external vendors.

Key responsibilities

• Lead implementation of the Arelion Optical Transport Network, meeting agreed lead times.
• Oversee installation, commissioning, testing and service turn‑up of optical transmission gear.
• Execute DWDM link migrations and end‑of‑life platform migrations, including off‑hours work when required.
• Coordinate logistics for equipment shipments between warehouses and deployment sites.
• Maintain high‑quality documentation across network inventory systems and tools.
• Participate in regular progress meetings with vendors and stakeholders.

Required profile

• 5+ years of experience in a telecommunications environment covering planning, build and operate functions.
• Strong background in DWDM network engineering and optical line systems.
• Proven ability to support remote installations and guide onsite technicians.
• Excellent communication skills for stakeholder engagement.

Required skills

• DWDM technology
• Infinera 7300, Infinera FlexILS, Infinera Groove G30
• Nokia GX, Nokia CHM6, Nokia CHM7
• Ciena 6500, Ciena 6500 RLS, Ciena ELS, Ciena WL5e, Ciena WL6e
• Fibre infrastructure and ODF connectivity
• Spectrum migration
• Network inventory documentation