Job Description POSITION: Mechanical Design Engineer (Employer: Keystone Tower Systems, Inc.) JOB LOCATION: 10353 Richmond Ave., Houston, TX 77042 [and various unanticipated locations throughout the US; may telecommute] DUTIES: Support commissioning, operation, upgrades, and continuous improvement of automated spiral-welding equipment used in the production of large steel wind-tower structures. Identify, diagnose, and resolve mechanical and system-level issues affecting equipment performance,