Tā kào zhe guòyìng de jìshù zài gōngsī zhànwěn le lìzúzhīdì.
He secured a solid foothold at the company through his rock-solid technical skills.
Tips
usage
Usually paired with 找到 / 站稳 (gain / firm up) or 没有 (have none). Figurative - a social, professional, or market foothold - much more often than a literal patch of ground.