network engineer packet & SDN

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 Packet & SDN 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 IP 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 Packet & SDN 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.

What we're looking for

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.

• Understanding of IP Fundamentals and various Protocols, including BGP, EIGRP, OSPF, ISIS.
• Working experience with implementing, diagnosing and troubleshooting IP Access, MPLS and VPN solutions across a pan European network.
• Understanding the provisioning and maintaining of IP, Ethernet and Optical services across Backbone Networks.
• Experience of UNIX based applications and trouble-shooting tools such as Telnet, FTP, TFTP, Traceroute.
• Experience of one or more of the following Network Management and Support systems: Netcool, SMARTS, CiscoWorks, InfoVista, TACACS, Vendor Specific Element Managers.
• 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.
• Technical Certifications – Formal IT qualifications such as CCNP, CCSP, CCNA, or similar are highly desirable.
• Language Skills – Fluent German & English (mandatory).

What we offer you:

Looking to make a mark?

At Colt, you’ll make a difference. Because around here, we empower people. We don’t tell you what to do.

Instead, we employ people we trust, who come together across the globe to create intelligent solutions.

Our global teams are full of ambitious, driven people, all working together towards one shared purpose: to put the power of the digital universe in the hands of our customers wherever, whenever and however they want.

We give our people the opportunity to inspire and lead teams, and work on projects that connect people, cities, businesses, and ideas. We want you to help us change the world, for the better.

Diversity and inclusion

• Inclusion and valuing diversity of thought and experience are at the heart of our culture here at Colt. From day one, you’ll be encouraged to be yourself because we believe that’s what helps our people to thrive. We welcome people with diverse backgrounds and experiences, regardless of their gender identity or expression, sexual orientation, race, religion, disability, neurodiversity, age, marital status, pregnancy status, or place of birth.

Most recently we have:

• Signed the UN Women Empowerment Principles which guide our Gender Action Plan
• Trained 60 (and growing) Colties to be Mental Health First Aiders
• Please speak with a member of our recruitment team if you require adjustments to our recruitment process to support you. For more information about our Inclusion and Diversity agenda, visit our DEI pages .

Benefits

Our benefits support you through all parts of life, for both physical and mental health.

• Flexible working hours and the option to work from home.
• Extensive induction program with experienced mentors and buddies.
• Opportunities for further development and educational opportunities.
• Global Family Leave Policy.
• Employee Assistance Program.
• Internal inclusion & diversity employee networks.

A global network

• When you join Colt you become part of our global network. We are proud of our colleagues and the stories and experience they bring – take a look at ‘Our People’ site including our Empowered Women in Tech.