The company has been engaged to provide construction services at the Iron Bridge magnetite project, an unincorporated joint venture between Fortescue Metals Group and Formosa Steel, in the Pilbara region of Western Australia.
The work, which includes the provision of structural, mechanical and electrical and instrumentation services at the wet process plant, is expected to be completed by the end of this year.
Monadelphous also won work with BHP across multiple Australian sites.
The company was awarded a contract for the remediation of balance machines at the Finucane Island and Nelson Point ports in Port Hedland in Western Australia, with work expected to be completed by mid-2024.
It was granted a 12-month extension to its existing contract to provide general maintenance and shutdown services at BHP's WA iron ore operations and a 12-month extension to its existing maintenance, shutdown and project services contract across BHP's Nickel West operations in WA.
The company also won a two-year contract to provide construction services under the Olympic Dam Construction Panel Framework Agreement in South Australia.
In the oil and gas sector, the Monadelphous was awarded a 12-month extension to its existing contract with Santos in Papua New Guinea, in joint venture with Worley.
Shares in Monadelphous were up 0.3% to $13.57 in early trade, valuing the company at $1.3 billion.