Multi-Site Office Manager - Payroll & HR

HarbisonWalker International; Fulton (MO); On-site; USD 55,000 - 70,000; Full time

Job summary

HarbisonWalker International is seeking an Office Manager III to coordinate payroll across multiple sites, track time and absences, and support plant operations with essential administrative duties.

You will handle HR support tasks, including insurance and payroll information, FMLA, and life insurance, while coordinating benefits orientation for new hires and maintaining employee records. Strong organization and communication are essential.

Qualifications

• Requires a high school diploma or GED.
• Proficiency with Microsoft Office Suite.
• Strong interpersonal and communications skills.
• Ability to work effectively in team and individual settings.
• Analytical skills and data assembly ability.

Responsibilities

• Processing payroll for multiple sites, input and vacation tracking for hourly employees, and reconciliation of payroll; manage weekly crewing for plants.
• Perform HR support functions including insurance, payroll info, FMLA, and Life Insurance; coordinate accident information with the insurer; OSHA logs.
• Conduct benefits orientation for new hires; maintain wage increases and benefits data; train on jobs; track job bid postings; maintain seniority records.
• Labor Management Team Scribe; collect and maintain grievances at multiple locations; manage Wellness committee for multiple locations.
• General office administration: mail, plant calls, visitor support, and maintaining employee records.

Skills

Interpersonal communications

Time management

Analytical skills

Team collaboration

Education

High school diploma or GED

Tools

Microsoft Office Suite

Job description

HarbisonWalker International is seeking an Office Manager III to coordinate payroll across multiple sites, track time and absences, and support plant operations with essential administrative duties.

You will handle HR support tasks, including insurance and payroll information, FMLA, and life insurance, while coordinating benefits orientation for new hires and maintaining employee records. Strong organization and communication are essential.