Cost Estimator sought by a company specializing in, design, sales and installation of fire, life safety services. Work site: Santa Clarita, CA. Salary: $19.37. per hr. 40 hrs weekly. Bachelors degree req. in Construction Engineering or. Electronics or, any other closely related + 12 mos. exp in same job or, any other closely related in the same industry. Mail resume to: Tri-Signal Integration, Inc. Attn: Exec. Vice President. 28110 Avenue Stanford, Suite D. Santa Clarita, CA 91355.