Pros
You can learn new technologies. Life without personal mobile and personal email during work hours can be great!
Kontras
General facts: If you are getting laptop, you’ll not automatically get a bag for it. Meal vouchers you’ll start to get only after 3 month of probation. You are contractor, no permanent contract within first 3 years. You not allowed to publically announce (on LinkedIn for example) that practically you are working in huge american telco provider Vxxxxon. You are working in so called Secured Work Space (SWS), facts about it please read in section below. Personal lockers out of SWS are small and awkward. No printers or scanners outside of SWS. Attendance strictly recorded with ID card scanners. Break times also should be claimed. Facts about SWS: Public mail services in SWS like gmail, yahoo and etc. are blocked. To read your private emails on a floor (not a rule) could be from 2 to 4 public work stations outside of SWS. Proxies are blocked, no admin rights on workstations or laptops. Each time go in or out you are controlled with metal detector. You can’t have your mobile phone with you or any other gadgets like mp3 player, smart watch or flash drive. If you brought with you your personal headphones, you can’t get them back from SWS. You can’t take with you out of SWS any papers, even your drawings! If you go in SWS with some meal or fruits, it should be unpacked and transparent. If you have some meal with you in SWS you have to eat it in SWS or trash it. No refrigerators in SWS. No food allowed to bring out from SWS. Each time you go in or out with your work mobile or laptop, security will record number of laptop and IMEI of mobile. This can’t be done quickly and instantly.