Onsite Administrative Assistant — Growth Path

Nelson-Jameson, Inc; Marshfield (WI); On-site; USD 23,000 - 32,000; Full time

Benefits offered by this job

Comprehensive health benefits

401(k) with company match

Paid time off

Job summary

Nelson-Jameson, Inc. is seeking a detail-oriented Administrative Assistant to join our Center of Excellence team in Marshfield, WI.

This developmental role supports multiple departments and the CoE's project management function, helping you build a foundation in business operations and cross-functional collaboration. You’ll gain experience handling data, documents, front desk duties, and internal projects, while growing toward administrative or entry-level roles.

Qualifications

• High school diploma or equivalent required.
• 1+ year experience in administrative, clerical, customer service, or support role.
• Strong attention to detail and prioritization.
• Proficiency with Google Workspace or Microsoft Office tools.
• Clear, professional written and verbal communication.
• Agility in learning new systems/processes.
• Demonstrated accountability and follow-through.
• Ability to maintain confidentiality and handle sensitive information.

Responsibilities

• Provide administrative support across multiple departments, including data entry, quote and order processing, document management, and reporting.
• Support front desk operations on a rotating basis—greet visitors, assist candidates, manage calls, maintain a welcoming environment.
• Learn and apply department-specific systems, tools, and workflows to complete tasks accurately.
• Monitor and complete tasks through ticketing systems or workflows with timely follow-through.
• Assist cross-functional projects with scheduling, documentation, and follow-up coordination.
• Maintain accuracy and confidentiality in handling data and communications.
• Keep internal resources organized with checklists and process guides.
• Identify opportunities to improve processes and efficiency.
• Communicate professionally with internal stakeholders across departments.
• Participate in development conversations to support growth.

Skills

Attention to detail

Written and verbal communication

Fast learner

Confidentiality

Google Workspace

Microsoft Office

Education

High School diploma or equivalent

Post-secondary coursework in business or related field

Tools

Google Workspace

Microsoft Office

Job description

Nelson-Jameson, Inc. is seeking a detail-oriented Administrative Assistant to join our Center of Excellence team in Marshfield, WI.

This developmental role supports multiple departments and the CoE's project management function, helping you build a foundation in business operations and cross-functional collaboration. You’ll gain experience handling data, documents, front desk duties, and internal projects, while growing toward administrative or entry-level roles.