Sutherland Sharks aren't just chasing finals. They've signed an eight-time Socceroo

Sutherland Sharks have sent a powerful message to the rest of the NPL NSW with two new signings.

Just days after climbing into the competition's top four, the Sharks have strengthened their squad with the signings of eight-time Socceroo Matthew Jurman and attacking reinforcement Diego Bonilla as they chase their highest finish in years.

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The headline arrival is Jurman, who returns to the NPL following the conclusion of his stint with A-League outfit Macarthur FC.

One of Australia's most experienced defenders, the 35-year-old represented the Socceroos on eight occasions and was part of Bert van Marwijk's squad for the 2018 FIFA World Cup.

His resume spans more than a decade at the highest level.

Jurman has represented Sydney FC, Brisbane Roar, Western Sydney Wanderers, Newcastle Jets and Macarthur in the A-League, winning Championships with both Sydney and Brisbane while also lifting the Australia Cup as Macarthur captain.

His career also took him overseas to South Korean giants Suwon Bluewings, Saudi Arabian powerhouse Al-Ittihad and Greek side Xanthi.

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Now, he arrives at Seymour Shaw to bolster one of the competition's form sides.

"His experience will be invaluable as we push for our highest finish in years,” the club said.

The Sharks have also added attacking depth with the signing of Diego Bonilla.

Bonilla returns from a spell in Uruguay with Durazno FC, having previously featured in the A-League with Macarthur and across the NPL with Marconi Stallions, Blacktown Spartans and Northbridge.

The forward also has previous experience with the Sharks and arrives with a reputation for his direct running and eye for goal.

The additions continue what has been an impressive rise from Sutherland in recent weeks.

Five wins from their past six league matches have propelled the Sharks into the top four, and after reinforcing both ends of the pitch, the message from Seymour Shaw is becoming increasingly clear.