The Netnod Team

Kaj Kjellgren

Kaj Kjellgren, M. Sc.

Senior Network Architect

Kaj has worked for Netnod since 2002. He holds a Master of Science in Systems and Computer Science from Uppsala University. Before this he was the Technical Director for KPNQwest Sweden. He has also worked as a programmer at Ericsson Data and as a Technical Support Engineer at the International Atomic Energy Agency (IAEA) in Vienna. Kaj is part of the operations team and works with peering and operations. In addition to the work Kaj does at Netnod, he also runs his own company on the side.

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Lars-Johan Liman

Lars-Johan Liman

Senior Systems Specialist and co-founder

In 1996, Lars-Johan was one of the co-founders of Netnod and has worked there ever since. He holds an MSc in Engineering Physics from the Royal Institute of Technology (KTH) in Stockholm where he also worked as a Senior Systems Specialist, focusing on the operation of IP networks and Unix systems. Lars-Johan is an expert in DNS and an experienced speaker. He works globally with protocol specifications and management of the DNS system. He has held positions in organisations such as the IETF and ICANN. Lars-Johan currently serves as chair of the Customer Standing Committee (CSC) at ICANN, which audits the work of Public Techinical Identifiers (PTI), the ICANN affiliate that, among other things, administrates that DNS root zone. At a more local level, he works with the planning of Netnod operations of infrastructure systems. In addition to his work at Netnod, Lars-Johan gives courses in DNS and how the Internet works all over the world. 

 

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Fredrik Lindeberg

Fredrik Lindeberg

Security Expert

Fredrik joined Netnod in October 2021 as a part of the Security Engineering team. His role is focused on internal processes, public policy development and the implications of policy on Netnod’s services. 

In 2021, Fredrik defended his PhD-thesis, Coordinating the Internet: Thought styles, technology and coordination*. Prior to that, he worked as a systems engineer in the financial services sector with a focus on systems integration and replacement of dedicated communications networks and services for financial services over the Internet. 

Fredrik has a PhD in Industrial Engineering and Management with specialisation in Economic Information Systems and an MSc in Computer Science and Engineering.

* http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-173713

 

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Filip Olofsson

Filip Olofsson

Systems and Network Engineer

Filip joined Netnod in August 2021 as part of the SRE team. His role includes maintenance, problem solving and configuration of servers, routers, switches and WDM.

Before joining Netnod, Filip worked at IP-Only (now GlobalConnect). His role included troubleshooting enterprise customer services, working with incident management and monitoring the infrastructure.

 

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Emil Palm

Emil Palm

Network Engineer

Emil Palm joined Netnod in December 2018. Prior to Netnod he worked at Comhem, where he wrote a BGP Flowspec implementation for DDoS mitigation, and at Blocket, where he rewrote the Blocket iOS application. He has 12 years of experience in the industry and has developed a focus on promoting the role of automation in network deployment. 

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Ahmed Warsama

Ahmed Warsama

Junior SRE

Ahmed joined Netnod in May 2022. After studying computer engineering at Mid Sweden University, he worked as a NOC technician at Tele2 and then as a Network technician at Cygate.

At Netnod, Ahmed works in the SRE team with systems, platforms and networks

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Anton Westin

Anton Westin

Senior Software Engineer

Anton joined Netnod in August 2021. Anton's main focus at Netnod is software development, modularisation, reusability and maintainability. 

He is a software architect and developer with a background in high-performance network software and services in the telecom industry.

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Dennis Rydgren

Head of Communication and Brand

Dennis joined Netnod in 2023 and is responsible for communication, brand and culture. He has over a decade of experience in marketing, communication, PR and brand. 

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Jonas Borgström

Jonas Borgström

Senior Software Engineer

Jonas joined Netnod in March 2023. Before joining Netnod, Jonas worked for 13 years as a Software Engineer at TriOptima, a leading Fintech company in the OTC risk reduction and portfolio optimisation arena.

At Netnod, Jonas works in the DEV team with software engineering and architecture

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