15 Environmental Services Technician. Contact Human Resources. 641-664-2145. Great Benefits. IPERS Covered Employer. 15 Environmental Services Technician. Full Time. SIGN ON BONUS for new hires. Full Time. 40 Hours. 2nd Shift. Weekends. when fully staffed, avg. every 6 weeks. holidays: 1 per year. On Call: Not Required. $2.50 Shift Differential. SIGN ON BONUS for new employees AS FOLLOWS. $500 net after completion of 90 days of service. $1000 net...