Is Moving from Cyber to Physical Security Career Suicide?

A 27-year-old man, who worked for two years in cybersecurity at a large company, recently accepted a position in physical security in the United Kingdom, with a salary multiplied by four or five. He fears that physical security may not offer as many opportunities in the future as cybersecurity and wonders if he will be able to return to this field after two years. However, he appreciates the practical tasks of his new role.