Pros
Exposure to mega projects and top tier consultants/designers/contractors. Work-life balance is excellent, you are expected to hit KPI's but with a well structured plan this is reasonably straightforward. Company car is provided (branded though...), company phone & laptop, option to purchase extra holiday, employee discounts/purchasing programmes etc. Excellent cameraderie within the company and due to the recruitment process, most people working at HILTI have an innate ability to get along with one another.
Cons
Internal politics and some element of micro-managing (not all managers though). can be frustrating. Business segmentation can lead to occasional friction between segment teams, particularly on large projects. Bonus is not consistent. Company cars are branded. Limited career development options in engineering unless you are willing to relocate to other cities/countries.