Catalla first entered the Philippine Foreign Service in 1993.
She was the principal assistant and then acting director of the ASEAN office from 1994 to 1995.

From 1996 to 2001, she was assigned at the Philippine Embassy in Kuala Lumpur as Vice Consul and then Consul.

She was recalled back to the Home Office to become the Director of the Office of United Nations and International Organizations from 2001 to 2002 and Passport Director from 2002 to 2005.

She was consul of the Philippine Embassy in Jakarta from 2005 to 2011 and Director of the Office of Asia & Pacific Affairs at the Home Office from 2011 to 2014.

She was posted to the Philippine Consulate in Hong Kong as Consul-General from 2014 to 2017.
During her stint in Hong Kong, she spearheaded the amendment of contracts of foreign domestic helpers to include a ban on dangerous window cleaning, which according to The Sun Hong Kong, was her biggest legacy to the Filipino community in the region.

After that, she was promoted to the Embassy in Beirut as Ambassador from 2017 up to her death in 2020.
As Ambassador to Lebanon, she spearheaded the voluntary mass repatriation program of OFWs in the country.
Catalla first entered the Philippine Foreign Service in 1993. She was the principal assistant and then acting director of the ASEAN office from 1994 to 1995.
From 1996 to 2001, she was assigned at the Philippine Embassy in Kuala Lumpur as Vice Consul and then Consul.
She was recalled back to the Home Office to become the Director of the Office of United Nations and International Organizations from 2001 to 2002 and Passport Director from 2002 to 2005.
She was consul of the Philippine Embassy in Jakarta from 2005 to 2011 and Director of the Office of Asia & Pacific Affairs at the Home Office from 2011 to 2014.
She was posted to the Philippine Consulate in Hong Kong as Consul-General from 2014 to 2017. During her stint in Hong Kong, she spearheaded the amendment of contracts of foreign domestic helpers to include a ban on dangerous window cleaning, which according to The Sun Hong Kong, was her biggest legacy to the Filipino community in the region.
After that, she was promoted to the Embassy in Beirut as Ambassador from 2017 up to her death in 2020. As Ambassador to Lebanon, she spearheaded the voluntary mass repatriation program of OFWs in the country.
Bernardita Catalla