Platte County - Treasurer's Office in Columbus, Nebraska, is taking job applications for an opening for a Part-Time Office Clerk. Part-time hours are Monday - Friday 11:00am - 3:00pm. Requirements. General business office skills. Proficient with Microsoft Office Word and Excel programs. Detail-oriented. Ability to multi-task in a professional office. Be physically able to lift 20 lbs. Able to work courteously with the public. Job Type: Part-time....