Administrative Assistant- Mi-Tech Services, Inc.

Michels; Green Bay (WI); On-site; USD 36,000 - 48,000; Full time

Job summary

Mi-Tech Services Inc. is seeking an Administrative Assistant I to provide day-to-day administrative support under direct supervision. The role emphasizes attention to detail and confidentiality, with the ability to multitask and project a professional image.

The position requires a high school diploma or GED and 0–3 years of related experience. Candidates will assist with scheduling, correspondence, invoicing, payroll records, and presentation materials, contributing to efficient department

Qualifications

• High school diploma or GED required.
• 0 to 3 years of related administrative experience or equivalent education/experience.
• Strong attention to detail and ability to maintain confidentiality.

Responsibilities

• Provide department administrative support: schedule meetings, process mail, assist with correspondence, make copies, maintain materials and distribution.
• Write, proofread, and distribute/mail correspondence, reports, and letters.
• Check and prepare invoices for approval; route to Accounts Payable; follow up as needed.
• Facilitate invoice billing and track payment status.
• Track and record payroll records; perform data entry with high accuracy.

Skills

Administrative support

Data entry

Invoicing

Payroll records

Proofreading

Education

High school diploma or GED

Job description

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 equipment
• We are dedicated to the improving energy distribution & telecommunication services
• Our steady, strategic growth revolves around a commitment to quality
• We are family owned and operated
• We invest an average of $5,000 per employee on training each year
• We believe everyone is responsible for promoting safety, regardless of job title
• We are a part of the Michels Family of Companies – one of North America’s largest, most diversified energy and infrastructure construction companies

Why you?

• You like to surround yourself with dedicated, value-driven people
• You are up to new challenges and opportunities
• You cringe when you hear: “Because that’s the way we’ve always done it.”
• You are eager to expand your knowledge
• You believe that individual commitment to a group effort is key to success
• You want your work to make a difference in people’s lives

What it takes

• Maintain 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.