 For more information, call 681-2880. Pennington County is an equal opportunity employer. Central Boiler is seeking marketing assistance for the Greenbush location to perform administrative tasks, conduct market research, and assist in creating marketing campaigns. Central Boiler offers a $4,000 sign-on bonus. For more information, visit centralboiler.com slash careers. Pennington County Human Services is hiring a full-time social worker certified assessor, $29.73 to $38.79 per hour. Bachelor's degree required.