Kathleen Moyer, 57, of Hampton, filed a lawsuit against PPG in federal court, Downtown, alleging discrimination.
"I worked for 36 years for them," said Moyer, who is suing for lost wages and to get her old job back. "Although a number of people were terminated that day, I think some of the people who weren't, I had done better or at least the same job as them. I don't think it was fair."
PPG spokesman Jeff Worden said he could not discuss pending litigation against the company.
Moyer was a senior engineer at the company and "one of the top scientific experts in the world in the field of windshield glass distortion measurement" when she was fired Feb. 26, along with 20 other people in her division, according to her lawsuit.
Moyer's pension would have been even higher had she continued working for another two years, the lawsuit states.
Moyer's attorney, Bruce Fox, wrote in the lawsuit that PPG fired her before she could reach the higher pension benefit level in order to save money, which he said is a violation of the Employee Retirement Income Security Act.