Administrative Assistant- Mi-Tech Services, Inc.

Michels Corporation; Renton (WA); On-site; USD 36,000 - 48,000; Full time

Job summary

Mi-Tech Services Inc. in Renton, WA is seeking an Administrative Assistant I to support daily operations under direct supervision. The role emphasizes accuracy, confidentiality, and the ability to multitask in a fast-paced environment.

The successful candidate will handle routine clerical tasks, prepare correspondence, process invoices, and assist management with presentation materials while maintaining a professional image and fulfilling company safety standards.

Qualifications

• Maintain and promote a strong health, safety, environment, and quality culture.
• Provide administrative support to department: schedule meetings, process mail, assist with correspondence, make copies, maintain materials.

Responsibilities

• Write, proofread and distribute/mail correspondence, reports, and letters as requested.
• Check and prepare invoices for approval; route to Accounts Payable for payment and follow up.
• Facilitate invoice billing and track payment status.
• Track and record payroll records; data entry with high accuracy.
• Support management with development and assembly of presentation materials.
• Other duties as assigned.
• High school diploma or GED, 0–3 years of related administrative experience.

Skills

Multitasking

Attention to detail

Discretion

Office administration

Microsoft Office

Education

High school diploma or GED

Tools

Microsoft Office

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.

This information reflects the anticipated base salary for this position based on current market data. Minimums and maximums may vary based on location. Actual pay will be adjusted based on individual’s skills, experiences, education, and other job-related factors permitted by law.