How do i contact textron customer service for benefits? Please call the Human Resources Service Center at 1-866-MY-TXT-HR (1-866-698-9847), and select the benefits option to speak with a Customer Service Associate. Thank you for your interest in Textron Systems.How do i apply for a job at textron systems? Thank you for your interest in Textron Systems. All of our available positions are listed here. Apply directly to your positions of interest! Please call the Human Resources Service Center at 1-866-MY-TXT-HR (1-866-698-9847), and select the benefits option to speak with a Customer Service Associate.Where is the headquarters of textron? World Headquarters. General Inquiries. Textron World Headquarters. Textron Inc. (Corporate) 40 Westminster Street. Providence, RI 02903. U.S.A. Phone: +1 (401) 421-2800. Investors.Why work at textron aviation? Textron Aviation develops top talent by empowering its workforce and providing excellent on-the-job opportunities. In Human Resource at Textron Aviation, you will develop partnerships with employees across the company’s business functions and provide guidance and support in attracting, motivating and retaining its talented workforce.