Silicon Valley cyber security firm Imperva has announced plans to open an office in Northern Ireland and create over 200 jobs.

The company is expanding its operations with a new Belfast base, which will be overseen by director of customer success Roger Flynn.

The plan is to create 220 new jobs over three to five years.

President and CEO Chris Hylen said the new office will help Imperva "fuel the next phase of our global growth and expansion".

"Our new office in Northern Ireland allows us to tap into the tremendous talent in the region, scale our business and continue providing customers with innovative solutions and support services," he added.

"We're excited to be in Belfast and are looking forward to building a best-in-class team."

Invest Northern Ireland has offered £1.43 million towards the creation of the new jobs.

Steve Harper, executive director of international business at Invest NI, said: "Northern Ireland’s sectoral strength in cybersecurity continues to attract the attention of the leading companies operating in this arena.

"Imperva's investment will make a significant contribution to the cybersecurity sector in Northern Ireland which includes Rapid7, Proofpoint and Whitehat."

The jobs are expected to to span several functions, including customer success (tech support, customer success management and managed services) and product development.