Lead System Administrator (Defence & Security) at Reaktor
- Company: Reaktor
- Location: Helsinki
- Employment type: Full-time
- Posted: 2026-10-05
About the role
Reaktor’s Defence & Security Unit https://www.reaktor.com/industries/defense-and-securityis looking for an experienced, hands-on Lead System Administrator to join our internal IT team in Helsinki. Our team builds and maintains secure and reliable IT environments that DefSec’s development teams depend on. The work ranges from daily maintenance and troubleshooting to automation, security, and longer-term infrastructure development. AS A LEAD SYSTEM ADMINISTRATOR, YOU WILL WORK HANDS-ON AS PART OF THE TEAM: BUILDING AND MAINTAINING SYSTEMS, DEVELOPING AUTOMATION, AND SOLVING TECHNICAL PROBLEMS. ALONGSIDE YOUR TECHNICAL RESPONSIBILITIES, YOU WILL TAKE OWNERSHIP OF THE OVERALL FLOW OF THE TEAM’S WORK. You will keep the backlog clear, bring together technical and business needs, and facilitate prioritisation together with the team and business stakeholders.…
Apply on Reaktor's official careers page: https://jobs.ashbyhq.com/reaktor/162e06ed-fe7f-4550-b0b5-c990b21ed335