Our experienced employees will accompany and support you throughout your entire internship.
We are looking for you for the vineyard in Liestal on July 1st, 2026 or by arrangement for an internship as a business maintenance specialist This is what you will learn with us Maintenance and repair work in all buildings Various types of interior and exterior cleaning work Control and monitoring tasks Indoor greenery and garden maintenance in the outdoor areas Completion of work related to occupational safety Snow removal • What you bring with you Great willingness to learn and sense of responsibility Helpful, sociable and team-oriented, with a strong sense of care and conscientiousness Manual skills and technical understanding Physical resilience A warm and humorous attitude Enjoyment of diverse challenges and practical work Good verbal knowledge of German Why Tertianum?
Key requirements
Great willingness to learn and a sense of responsibility
Helpful, outgoing and team-oriented, with a strong sense of care and accuracy
Manual skills and technical understanding
Physical stamina
A friendly and humorous attitude
Enjoyment of varied challenges and practical work
Good German language skills
Our experienced employees will accompany and support you throughout your entire internship.
The Technical Service Intern role offered by Tertianum is based in Liestal, Canton of BL, in the administration sector.
Working as a cross-border employee in the Canton of BL requires a G Permit, renewed annually. The Canton applies withholding tax at variable rates on gross income; since 2024 the Italy-Switzerland New Tax Agreement introduces concurrent taxation.
Swiss social contributions include AVS (5.3%), unemployment insurance (1.1%) and LPP (occupational pension). Use our free tax simulator to estimate the net salary for Technical Service Intern in administration and compare the cost of living between Switzerland and Italy.
Frequently asked questions
What is the net salary for a cross-border worker in the Canton of BL?
Net salary depends on gross income, marital status and number of children. In the Canton of BL, withholding tax ranges from about 2% to 15%. In the administration sector, use our simulator for a tailored figure.
Do I need Swiss LAMal health insurance for the Technical Service Intern role in BL?
New cross-border workers since 2024 must enrol in Swiss LAMal within 3 months of starting. Premiums vary by canton, model and deductible. Compare with our LAMal comparator.
