International engineering and design firm Jacobs Engineering Group is moving its headquarters from California to downtown Dallas.

The deal — which has been in the works for several months — will bring about 100 new jobs in addition to the more than 300 people Jacobs already has in downtown Dallas.

"As we continue to focus on transforming our business in terms of efficiency and high-growth in the engineering and construction industry, our new headquarter location ensures access to top talent and positions Jacobs for convenient access to our clients," Jacobs Chairman and CEO Steven Demetriou said in statement. "In Dallas, we will also benefit from a business-friendly economic and cultural environment.

"Jacobs has had a long and successful history in Pasadena and will continue to employ more than 1,500 people in Southern California," he said. "Although our headquarters is relocating, we will maintain a strong workforce and office footprint across the state of California where we see ongoing expansion opportunities."

Jacobs — which has 230 offices around the globe — is moving the headquarters staff to the Harwood Center office on Bryan Street.

Landing the Jacobs headquarters is another win for downtown.

The 69-year-old company, which started in Pasadena and has almost 64,000 employees, does work in everything from architecture to aerospace, mining and transportation.

A Texas Enterprise Fund grant of $1.3 million will be given to Jacobs to help pay for the move.

In 2013 Jacobs consolidated two suburban North Texas offices and moved its Dallas operations into more than three floors of the 36-story Harwood Center.

Owners of the 1980s high-rise are building a new parking garage to accommodate more workers in the building.

"The Jacobs headquarters relocation from California is yet another critical step forward in the revitalization of downtown Dallas," said John Crawford with the economic development group, Downtown Dallas Inc. "Jacobs is a major international firm which had a number of options and we could not be more pleased with their decision that adds greatly to the perception and reality that downtown continues to be the largest work force in North Texas."