Administrative Assistant

Administrative AssistantMi-Tech Services Inc. is seeking an Administrative Assistant in Fond du Lac, WI and Green Bay, WI. As a full-service engineering, design, and construction services firm, Mi-Tech delivers comprehensive support for utility and infrastructure projects from planning and design through execution. Our multidisciplinary team provides practical, innovative solutions that emphasize cost efficiency, constructability, and long-term value. Founded in 1985, Mi-Tech has built a reputation for excellence in engineering, design, environmental, laboratory, technical, and field services across multiple industries. The 2026 merger with J.D. Hair & Associates further strengthened our capabilities and resources, adding decades of specialized expertise in trenchless, geotechnical, and structural engineering to our core offerings. As a proud member of the Michels Family of Companies, Mi-Tech collaborates with an internationally respected team to deliver integrated, end-to-end engineering, design, and construction solutions that meet the highest standards of quality and performance.An Administrative Assistant I will provide day-to-day administrative support under direct supervision. The Administrative Assistant I position must have strong attention to detail and maintain confidentiality at all times. Critical for success are the abilities to multitask, prioritize and, project a professional image.Why Mi-Tech Services Inc.?We are committed to hiring the best people and giving them the best equipmentWe are dedicated to the improving energy distribution & telecommunication servicesOur steady, strategic growth revolves around a commitment to qualityWe are family owned and operatedWe invest an average of $5,000 per employee on training each yearWe believe everyone is responsible for promoting safety, regardless of job titleWe are a part of the Michels Family of Companies – one of North America's largest, most diversified energy and infrastructure construction companiesWhy you?You like to surround yourself with dedicated, value-driven peopleYou are up to new challenges and opportunitiesYou cringe when you hear: "Because that's the way we've always done it."You are eager to expand your knowledgeYou believe that individual commitment to a group effort is key to successYou want your work to make a difference in people's livesWhat it takesMaintain and promote a strong health, safety, environment, and quality (HSEQ) culture for all employees, vendors, subcontractors, and customers to comply with HSEQ policies, procedures, regulations, and continual improvement objectives. Identify and communicate workplace hazards and risks with a commitment to correct or seek assistance in correcting unsafe or nonconforming actions or conditions.Provide administrative support to department: schedule meetings, process mail, assist with correspondence, make copies, maintain standard department materials, and manage distribution.Write, proofread and distribute/mail correspondence, reports, and letters as requested.Check and prepare invoices for approval; route to Accounts Payable for payment and complete necessary follow up work.Facilitate invoice billing: internal invoices and tracking/management of payment status.Track and record payroll records. Perform transactional data entry into systems with a high degree of accuracy. Scan, organize, and file payroll documents.Work with corporate and divisional support on a variety of clerical related tasks.Assist management with development and assembly of presentation materials.Other duties as assigned.High school diploma or GED, 0 to 3 years of related administrative experience, or an equivalent combination of education and experience.Microsoft Suite proficiency