Work Experience

Written by Rene Kärkkäinen on 19.04.2026

Most useful work is ordinary up close. Problems arrive, systems fail, people need help and somebody has to respond calmly. The roles below are different in setting, but similar in principle.

Managing Director - Rene Investments Ab

Dec 2024 - Present | Managing investments, accounting, and ensuring a slow and steady growth of investments.

Guest Lecturer - Helsinki Business College Oy

Nov - Dec 2025 | Teaching a course on computer networks

Account Manager - Junction Oy

Oct - Nov 2025 | Made sure the Junction 2025 partner, the Bank of Finland, is enjoying themselves.

IT Manager - Nordiska Partners Limited

Jun - Jul 2024 | I was responsible for overseeing IT operations and creating new security measures to strengthen the company’s security posture. I optimized the IT budget and managed vendor relations.

IT Trainee - WithSecure Oyj

Oct - Dec 2023 | Maintained computer systems and hardware, analyzed customer data to ensure accuracy and integrity, troubleshooted internal IT issues, and wrote documentation for hardware installation procedures.

Nursing Home Assistant - City of Helsinki

Jun - Jul 2022 | Brightened residents’ days with walks, reading time, and fun outings like disco nights, bingo games, and trips to parks.

Store Assistant - K-Market Rekola

Dec 2021 | Contribute to efficient store operations by assisting with sales, shipment logistics, providing customer service, and ensuring the store maintains a clean and organized environment.