About us. How would you like a job that is 8-5 Monday through Friday, no weekends, no night shift, and no swing shifts. Willamette Occupational Health Systems is a small business in Salem, OR. We are agile and professional. Call us to change the direction of your career. Holidays that fall on weekdays are paid. Additional paid time off is part of our employment benefits package. Retirement 401k plan with match and option of Roth 401k. We are look...