Senior Global Network & OT Engineer — Production

ReOrbit; Helsinki; On-site; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Relocation assistance

Lunch vouchers

Occupational health care

Health insurance

Job summary

ReOrbit is seeking a Sr. Network & OT Engineer to own and advance the global network that connects our offices, manufacturing sites and critical environments. You will lead architecture, hands-on operation, and security across OT networks including clean-room environments, coordinating with Engineering, Manufacturing and Security teams.

You will document standards, drive scalability, and ensure reliability across LAN/WAN, VPN and wireless networks for multi-site operations in Helsinki and beyond.

Qualifications

• 10+ years of experience in Network Engineering in OT or manufacturing environments.
• Hands-on experience designing and operating OT networks with segmentation and security.
• Experience designing global network architectures across multi-site organisations (LAN, WAN, Wi‑Fi, VPN).
• Incident response and troubleshooting for mission-critical production networks.
• Knowledge of network performance monitoring, redundancy design, capacity planning at production scale.
• Experience standardising network access and integrating new sites.
• Strong documentation skills and ability to create architecture docs and runbooks.
• Excellent communication and stakeholder management across Engineering, Manufacturing and Security.

Responsibilities

• Own the design and architecture of global network connectivity across all ReOrbit sites.
• Design, upgrade and support network infrastructure across HQ and connected offices, ensuring performance, scalability and efficiency.
• Own network monitoring, maintenance, troubleshooting and security across the global network estate.
• Document network architecture, technical standards and operational runbooks, creating a scalable foundation for future infrastructure growth.
• Own the OT and clean-room network environment, including infrastructure, systems architecture, connectivity, access control and security.
• Ensure the reliability, scalability and security of mission-critical manufacturing and ground-segment network infrastructure.
• Provide 24/7 incident response for critical OT and production network environments.
• Drive Wi-Fi standardisation across Helsinki and connected offices.
• Manage network-related support incidents end-to-end, ensuring the availability and redundancy of critical network links.
• Identify infrastructure risks, performance bottlenecks and single points of failure, driving improvements before they impact operations.

Skills

OT networks

Global design

Incident response

Network security

Monitoring

Documentation

Stakeholder mgmt

Manufacturing/clean-room networking

Job description

ReOrbit is seeking a Sr. Network & OT Engineer to own and advance the global network that connects our offices, manufacturing sites and critical environments. You will lead architecture, hands-on operation, and security across OT networks including clean-room environments, coordinating with Engineering, Manufacturing and Security teams.

You will document standards, drive scalability, and ensure reliability across LAN/WAN, VPN and wireless networks for multi-site operations in Helsinki and beyond.