Firmansyah graduated from Merchant Marine Academy Indonesia in 2000 with a Bachelor's Degree in Ship Engineering. He has over 15 years of work experience in various engineering and project management roles in the shipping, mining, and oil and gas industries. Currently, he works as a Project Marketing Manager supplying spare parts for drilling companies including Pertamina, Chevron, ConocoPhillips, Vico Energy, and Schlumberger. He has skills in procurement, budgeting, negotiations, and managing projects out of town or off island.