As a Network Engineer at NFON, you work with a dedicated and innovative team to maintain and expand the NFON network in and between 3 datacenter locations and the connections to the Internet and to partners. NFON operates a highly redundant infrastructure targeting 99.999% of availability and the network is crucial here.
You have a solid understanding of networking at layer 2 (Switching) and layer 3 (Routing) and ideally experience with dynamic routing protocols (BGP, OSPF). You feel comfortable crafting firewall policies to secure the communication in a geographically diverse network.
You are familiar with the Python programming language and have already worked with it to automate tasks in the network. NFON is connected to the Internet autonomously with its own AS number and connected to multiple carriers. NFON is a RIPE LIR and manages its own IPv4 and IPv6 allocations. NFON has connections to the Internet Exchanges at DECIX in Frankfurt/M and LINX in London. The datacenter interconnect network is basend on EVPN/MPLS

Your new role

The work you‘ll do

• Work with and enhance our network automation stack based on Saltstack.
• Maintain our monitoring solution based on LibreNMS,WANGuard and SuzieQ.
• Coordinate work in thedatacenters with the onsite remote hands to install and maintain our hardware.
• Do network overwatch as Engineer of the Day.
• Create new VLANs, IP prefixes and firewall policies depending on the needs of the development teams.
• Use and maintain our DCIM tools, Netbox & SnipeIT.
• Maintain our objects in the RIPE database.
• Handle peering requests from other participants at the IXPs.

The qualifications you need

• At least 3 years of job experience as a network engineer.
• Familiarity with network devices from vendors like Cisco, Arista, Juniper, etc.
• Experience with network based firewalls like Juniper SRX, Cisco ASA, PaloAlto.
• Comfortable on a Linux command line.
• Maybe even familiar with container orchestration solutions like Docker and/or Kubernetes.
• Fluent in English, German at any level would be a plus.

What we can offer you

• Enjoy a fair and appropriate salary.
• Comprehensive health insurance coverage for you and your family.
• Professional & confidential mental health support (powered byOpenUp)
• Benefit from 22 vacation days, exceeding the legal-required standard.
• The option to work from home up to 2 days per week.
• Work remotely from anywhere up to 20 days per year.
• Work in a cosy, modern office equipped with top hardware.
• Choose your preferred device: Windows Laptop or MacBook.
• We cover costs for e-learning courses to support your professional development.
• Enjoy organic fruit baskets, a smoothie bar, quality coffee, mate, and more.
• We are "Certified Family Friendly" and support a healthy balance between work, family, and private life.
• Be part of an agile organization where your ideas matter and you have the opportunity to take charge.

About us

NFON who?

We’re NFON – a leading European provider of integrated business communication with a focus on AI-based applications and as a licenced telecoms company active in 15 European countries. Since 2019 we are listed in the Prime Standard segment of the Frankfurt Stock Exchange, have nine branch operations and are working together with over 3,000 partners. Every day, we support around 55,000 business customers in Europe with intuitive communication solutions that make their businesses more efficient and flexible.

What we do… 

As a long-term partner for small and medium-sized businesses, we combine technological innovation with user-friendly and efficient business communication solutions. With both AI-based technologies and operational excellence, we are enabling companies to harness the full potential that artificial intelligence offers – for optimised processes, more precise customer interactions and new growth opportunities. With its core product, the smart cloud communications platform, we are offering hassle-free voice calls, simple video conferencing and seamless integration of CRM and collaboration tools for small and medium-sized companies. All of NFON’s cloud services are operated in certified data centres in Germany, with 100% of their energy needs covered by renewable sources.

How & why we do it    

Our vision is to rethink business communication, inspire and connect people to grow together sustainably. For that we need innovative ideas and people who get things done & never get discouraged. If plan A doesn’t work, the alphabet still has 25 other letters to choose from. There is one thing that builds the foundation of everything we do – and that’s respect. Whether it is towards our employees, our partners or our customers. We value each other’s commitment and listen to diverse opinions. Of course everyone has personal goals. But at the end of the day what counts is the success of the overall team. We work as a team and learn from the people around us.

Diversity is at our core.

NFON is an equal opportunity employer and does not discriminate on the basis of ethnicity, religion, color, national origin, gender, sexual orientation, gender identity, age, marital status, veteran or disability status.