PSNI seeks 40 experienced officers
The PSNI have launched a campaign to attract 40 experienced officers from other UK and Irish forces.
It follows the retirement of large numbers of senior officers under the Patten redundancy scheme.
The recruitment of new trainee officers has been frozen but the PSNI is seeking to encourage transfers.
The PSNI's senior director of human resources, Joe Stewart, said: "We're particularly interested in experienced detectives, financial investigators and those who have experience in investigating serious sexual crimes to assist us in the work that we're doing."
They could be trained and available for duty within about five weeks of joining.
Mr Stewart added: "Although the transfer opportunity is open to any officer at constable rank, this process may appeal to those individuals with connections to the province who have joined other UK or RoI police services, and who now want to return to live and work here.
"A number of those may have had difficulty joining the PSNI due to the hugely oversubscribed application rates over the past 10 years and therefore left NI to pursue a career in policing. We now want those serving police officers, at constable rank, to consider transferring to the PSNI, to share their skills and experience with us and to enhance the good work which is already being done by our officers here..."
But Police Federation chairman Terry Spence said more recruitment is still needed: "We've been saying since the beginning of the year that we require at least an additional 1,000 officers on the ground to effectively meet the terrorist threat which is escalating by the day, and also to ensure that we can deliver a proper policing service to all of the people in Northern Ireland," he said.
An additional £245 million funding was given to the PSNI by the Treasury and the Assembly earlier this year to help combat the dissident republican threat.
An advertising campaign will begin early next month, and successful candidates will transfer to the PSNI before the end of the year.