Quarterly part time surveyor position

Local Residential Research Company seeks quarterly part time employee for field work. Perfect for retirees or semi retired. Must have reliable transportation, good sense of direction, be able to read maps, GPS and have great attention to detail. Looking for long term person to fill quarterly part time position. Survey middle to end of March, June, September and December. Flexible hours. Lots of driving to new housing subdivisions involved. Estimate 45-55 hours per quarter. Bexar Co. West area. Paid training. Starting pay $17 per hour plus mileage.