Administrative Assistant

Walker White Mechanical; Columbia (SC); On-site; USD 36,000 - 54,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401(k) plan

Paid time off

Professional development

Career growth

Job summary

Walker White Mechanical is seeking an Administrative Assistant to support office operations and project teams in Columbia, SC. You will serve as a key organizer, handle calls, scheduling, invoicing, onboarding, and recordkeeping to ensure smooth day-to-day activities in a fast-paced environment.

The role offers on-site full-time employment with growth opportunities and a collaborative team culture, supporting projects for schools, healthcare facilities, and businesses in the region.

Qualifications

• High school diploma or equivalent required.
• 1+ years administrative or coordinator experience.
• Proficiency with Microsoft Office Suite (Word, Excel, Outlook, Teams).
• Strong organizational skills and attention to detail.
• Excellent verbal and written communication skills.
• Ability to manage multiple priorities in a fast-paced environment.
• Professional attitude with dependable attendance.

Responsibilities

• Answer incoming phone calls and greet visitors professionally.
• Direct inquiries to the appropriate team members.
• Manage office correspondence and filing systems.
• Prepare reports, letters, and meeting materials.
• Maintain accurate records and document management.
• Support Project Managers and Field Supervisors with scheduling and admin needs.
• Assist with project documentation, data entry, and tracking information.
• Coordinate office and jobsite supply orders and monitor inventory.
• Assist with invoicing, expense tracking, and basic bookkeeping tasks.
• Support onboarding and new-hire paperwork.
• Maintain employee files and training documentation.
• Provide admin support for training records and compliance.
• Provide general administrative assistance to leadership and teams.
• Coordinate meetings and company events.

Skills

Customer service mindset

Communication

Organizational skills

Attention to detail

Multitasking

Education

High school diploma or equivalent

Associate degree in Business Administration

Tools

Microsoft Word

Excel

Outlook

Teams

Job description

Administrative Assistant

Walker White Mechanical | Columbia, SC | Full-Time | On-Site

Keep Our Team Organized. Help Our Projects Succeed.

Walker White Mechanical is seeking a highly organized and dependable Administrative Assistant to support our office operations and project teams in Columbia, SC.

As a key member of our team, you'll help keep day-to-day operations running smoothly by providing administrative support to office staff, project managers, field leaders, and company leadership. This role is ideal for someone who enjoys working in a fast-paced environment, stays organized under pressure, and takes pride in delivering exceptional customer service and attention to detail.

If you're proactive, professional, and looking for an opportunity to grow with a respected mechanical contractor, we'd love to hear from you.

About Walker White Mechanical

Walker White Mechanical is a full-service mechanical contractor specializing in HVAC, plumbing, piping, sheet metal fabrication, and mechanical services. For years, we've built our reputation on quality workmanship, strong client relationships, and a commitment to supporting our employees' success.

Our people are the foundation of our business, and we're committed to creating a workplace where teamwork, professionalism, and growth are valued.

What You'll Do

As an Administrative Assistant, you'll play an important role in supporting both office and field operations while ensuring daily business activities run efficiently.

Administrative & Office Support

• Answer incoming phone calls and greet visitors in a professional and friendly manner.
• Direct inquiries and communications to the appropriate team members.
• Manage office correspondence, filing systems, and document organization.
• Prepare reports, letters, meeting materials, and other business documents.
• Maintain accurate records and assist with document management.

Project & Operations Support

• Support Project Managers and Field Supervisors with scheduling and administrative needs.
• Assist with project documentation, data entry, and tracking project-related information.
• Coordinate office and jobsite supply orders and monitor inventory levels.
• Help maintain organized project files and records.

Accounting & Human Resources Support

• Assist with invoicing, expense tracking, and basic bookkeeping functions.
• Support employee onboarding activities and new-hire paperwork.
• Maintain employee files and assist with recordkeeping.
• Provide administrative support for training records, certifications, and compliance documentation.

Team Support

• Provide general administrative assistance to leadership and operational teams.
• Help coordinate meetings, company events, and internal communications.
• Assist with special projects and other duties as assigned.

What We're Looking For

Required Qualifications

• High school diploma or equivalent required.
• 1+ years of administrative, office support, customer service, or coordinator experience.
• Proficiency with Microsoft Office Suite, including Word, Excel, Outlook, and Teams.
• Strong organizational skills and attention to detail.
• Excellent verbal and written communication skills.
• Ability to manage multiple priorities and meet deadlines in a fast-paced environment.
• Professional attitude with strong customer service skills.
• Reliable attendance and a strong work ethic.

Preferred Qualifications

• Associate degree in Business Administration or a related field.
• Experience working in construction, mechanical contracting, manufacturing, or the skilled trades.
• Familiarity with accounting, invoicing, payroll support, or bookkeeping functions.
• Experience working with project management or ERP software.
• Bilingual (English/Spanish) skills are a plus.

Why Join Walker White Mechanical?

Stable and Growing Company

Join a respected organization with a strong reputation and a steady pipeline of work throughout South Carolina.

Career Growth Opportunities

We believe in developing our people and creating opportunities for long-term career advancement.

Collaborative Team Environment

Work alongside experienced professionals who value teamwork, communication, and mutual success.

Meaningful Work

Support projects that help build and maintain schools, healthcare facilities, businesses, and communities throughout the region.

Compensation & Benefits

Walker White Mechanical offers a comprehensive benefits package designed to support our employees and their families.

Benefits Include

• Competitive pay based on experience and qualifications
• Health, dental, and vision insurance
• 401(k) retirement plan with company contributions
• Paid time off and paid holidays
• Professional development and training opportunities
• Long-term career advancement potential
• Supportive and team-oriented work environment

Build Your Career with Walker White Mechanical

If you're an organized professional who enjoys supporting teams, solving problems, and helping operations run smoothly, we'd love to meet you.

Walker White Mechanical is an Equal Opportunity Employer committed to creating a diverse, inclusive, and respectful workplace for all employees.