This full-time Administrative Assistant role supports the operations of Fiber Network Services, a leading communications contractor serving major clients across five states. Based in Knoxville, the position focuses on providing organizational and communication support to field managers while managing billing submittals and invoicing for subcontractors. Key duties include tracking project lifecycles using Excel and Smartsheet, handling phone and email correspondence, and applying industry knowledge to achieve team goals. The role appeals to detail-oriented professionals seeking a collaborative environment with a clear mission to connect communities through advanced technology. Benefits include health and dental insurance, a 401k plan, paid time off, and a structured 40-hour work week. This is an on-site position requiring a high school diploma and at least three years of relevant experience.