Colt provides network, voice and data centre services to thousands of businesses around the world, allowing them to focus on delivering their business goals instead of the underlying infrastructure.
Why we need this role
Join a team of highly skilled and passionate customer support engineers, taking full responsibility for resolving customer faults and technical challenges related to Colt’s Ethernet and Optical products and services. This role includes end-to-end ownership, task coordination, and managing relationships with network partners and internal teams to ensure a seamless customer experience.
What you will do
* Proactively monitor, troubleshoot, and resolve faults across a pan-European MPLS infrastructure and a range of Optical & Ethernet services, ensuring SLAs are met.
* Act as the single point of contact for customers, providing clear updates and professional support.
* Work closely with vendors, field engineers, and 3rd-level support teams to manage escalations and complex issues.
* Maintain accurate incident records and generate technical reports when required.
* Identify and implement solutions to recurring problems in Optical and Ethernet networks.
* Support software upgrades in collaboration with vendors and internal teams.
* Participate in a 24/7 shift pattern to ensure round-the-clock support for our customers.
Role Requirements
We’re seeking a highly skilled and proactive Network Engineer with expertise in Layer 1, 2, and 3 services and technologies. The ideal candidate will have a strong technical background, excellent problem-solving, and a passion for delivering exceptional customer support.
* Expertise in Optical & Ethernet Technologies – Deep understanding and hands-on experience with MSP, Ethernet, and DWDM systems, including implementation, commissioning, maintenance, diagnostics, and troubleshooting.
* Network Management Experience – Familiarity with managing networks via GUI and CLI interfaces.
* Vendor Experience – Hands-on experience with ADVA, Ciena, Accedian, Infinera, Nokia, Nortel, or similar network elements.
* Industry Experience – Prior experience working with global network providers, NOCs, and field support teams to resolve technical issues.
* Troubleshooting & Ownership – A team player who thrives in a fast-paced environment, takes full ownership of issues, and collaborates effectively with internal and external teams to drive resolution.
* Strong Communication – Ability to provide clear, professional, and service-oriented communication, both written and verbal.
* Quick Learner & Decision-Maker – Ability to absorb technical information rapidly and make effective decisions in high-pressure situations.
* Technical Certifications – Formal IT qualifications such as CCNP, CCSP, CCNA, or similar are highly desirable.
* Language Skills – Fluent German & English (mandatory).
What we offer:
Colt is a growing business that is investing in its people. We offer skill development, learning pathways and accreditation to help our people perform at their best, regardless of role and location.
In addition to offering competitive salaries and incentive plans, a range of benefits and local rewards packages are offered to staff. Colt recognises the importance of a work life balance.
Some benefit examples are:
•Flexible working and relaxed dress code
•Two days annually to spend on volunteering opportunities
•Pension and insurance options
•Access to a virtual business school for on-going learning
•Business mentoring
•Discounts with local hospitality and retail providers
We strongly encourage candidates of all different backgrounds and identities to apply. We are committed to making Colt an inclusive and supportive workplace