Job vacancies Job vacancy National Sales Manager Are you interested in working with ‘Mission-Critical’ emergency power systems? Bertel O. Steen Teknikk AS (Bostek) will invest wider on emergency power systems for critical installations on land-based industry. To lead this initiative, we now want to hire a National Sales Manager for a newly created position. You will be fully responsible for the entire sales process and control of deliveries. For more information, please click here.