L3 Support Engineer

QCS Staffing; Helsinki; On-site; EUR 60,000 - 90,000; Full time

Job summary

QCS Staffing Ltd is seeking a L3 Support Engineer for a permanent role in Finland, focused on data centre operations and cloud infrastructure.

You will lead complex investigations into server, firmware, and Linux issues, handle incident response, coordinate with internal engineering and partners, and develop runbooks and procedures to support operations teams. This role offers a path to advanced data centre management within a globally recognised environment.

Qualifications

• Experience leading investigations into server, firmware, Linux and hardware issues in large-scale data centres.
• Experience supporting incident response and driving long-term corrective actions.
• Ability to collaborate with internal engineers and external partners to resolve platform issues.

Responsibilities

• Lead complex investigations and root cause analysis for server, firmware, Linux and hardware issues in data centres.
• Support incident response activities, drive resolution, and identify recurring issues for long-term actions.
• Collaborate with internal and external teams to manage escalations and improve reliability.
• Develop troubleshooting docs, runbooks and procedures for operations teams.

Skills

Linux

Server hardware

Root cause analysis

Incident response

Runbooks

Documentation

Troubleshooting

Escalations

Collaboration

Job description

L3 Support Engineer – Permanent – Finland - Data Centres

Our client is rapidly emerging as a leading provider of advanced Cloud & AI infrastructure for global innovators.

As they continue to grow, they’re hiring a L3 Support Engineer to join their team based in Finland. This is a fantastic opportunity for a professional in the data centre sector to advance their career within a globally recognised environment.

What You’ll Deliver

• Lead complex technical investigations and root cause analysis for server, firmware, Linux and hardware-related issues within a large-scale data centre environment.
• Support critical incident response activities, driving resolution efforts and identifying recurring issues to implement long-term corrective actions.
• Collaborate with internal engineering and external technology partners to manage escalations, resolve platform-level issues and improve operational reliability.
• Develop troubleshooting documentation, runbooks and technical procedures while providing guidance and technical support to wider operations teams.

Experience required

• Lead complex technical investigations and root cause analysis for server, firmware, Linux and hardware-related issues within a large-scale data centre environment.
• Support critical incident response activities, driving resolution efforts and identifying recurring issues to implement long-term corrective actions.
• Collaborate with internal engineering and external technology partners to manage escalations, resolve platform-level issues and improve operational reliability.
• Develop troubleshooting documentation, runbooks and technical procedures while providing guidance and technical support to wider operations teams.