Sinal Tech Stack

Denmark's largest open-access fiber network spanning 1M+ addresses

Telecommunications Silkeborg, Central Denmark Region 501–1,000 employees Privately Held

Sinal operates Denmark's primary fiber-optic infrastructure, reaching over 1 million addresses across 40% of the country. The tech stack reveals a security-first operational posture—SIEM, Nessus, Rapid7, and Active Directory anchor their infrastructure management—paired with carrier-grade networking (Cisco, Juniper, EVPN, MPLS, BGP). Current hiring skews toward security (2 open roles) and ops, while active projects center on vulnerability remediation, critical monitoring, and capacity expansion, signaling infrastructure maturity coupled with defensive hardening.

Tech Stack 12 technologies

Core StackActive Directory Cisco BPMN ITIL SIEM Nessus Rapid7 InsightVM Juniper EVPN L2VPN MPLS BGP

What Sinal Is Building

◆Challenges

Cultural change
Process inefficiencies
Reducing security incidents in critical infrastructure
Managing vulnerability management
Maintaining high security level in critical infrastructure
Expanding network capacity
Optimizing fiber network
Software deployments

▲Active Projects

Critical monitoring platform
Customer experience improvement initiatives
Vulnerability remediation strategy implementation
Capacity expansion
Network expansion
Software deployments

Hiring Activity

Accelerating6 roles · 3 in 30d

Department

Security

Customerexperience

Engineering

Ops

Seniority

Senior

Mid

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About Sinal

Sinal is Denmark's largest open-access fiber network operator, providing gigabit-capable infrastructure to residential and commercial customers across Jylland and other regions. The company operates an open network model, enabling 14 different ISPs to compete on the same fiber backbone, giving end customers choice and competitive pricing. Sinal is majority-owned by Norlys (65%) with a minority stake held by the PGGM-EDF consortium (35%). Operations span four sites: Silkeborg (headquarters), Kolding, Aalborg, and Sønderborg, supporting roughly 670 employees focused on network deployment, security, and digital inclusion across Denmark.

HeadquartersSilkeborg, Central Denmark Region

Company Size501–1,000 employees

Hiring MarketsDenmark

Frequently Asked Questions

What is Sinal's fiber network coverage in Denmark?

Sinal reaches over 1.045 million addresses and covers 40% of Denmark, with the majority of deployment in Jylland. The network is open-access, allowing 14 different internet and streaming providers to operate on the infrastructure.

What tech stack does Sinal use for network operations?

Sinal runs Cisco and Juniper networking gear with EVPN, MPLS, and BGP protocols, backed by SIEM and vulnerability scanning tools (Nessus, Rapid7 InsightVM) for security monitoring and Active Directory for identity management.