Operations Coordinator

MissionStaff, LLC.; Pennsylvania; On-site; USD 25,000 - 39,000; Part time

Job summary

MissionStaff, LLC. is seeking a part-time Operations Coordinator to provide administrative and operational support across Finance, HR, payroll, billing, and other recurring business processes.

The role rewards organization, attention to detail, and the ability to manage multiple tasks with limited oversight. You will collaborate with Finance and HR teams to maintain accurate information, follow up on outstanding items, and help ensure key processes are completed accurately and on time.

Qualifications

• Experience in operations, finance administration, payroll, billing, HR administration, or related support role.
• Strong attention to detail with comfort working with numbers and data.
• Proficiency with Excel including formulas, sorting, filtering, and organizing data.

Responsibilities

• Support recurring billing, invoicing, payroll, timesheet, and financial administration.
• Monitor timesheet submissions and approvals and follow up on missing information.
• Maintain accurate employee, client, billing, payroll, and operational records across company systems.
• Assist with data entry, reporting, expense documentation, purchase orders, accounts payable, and accounts receivable activities.
• Identify discrepancies or missing information and work with internal and external contacts to resolve them.
• Provide administrative support for employee onboarding, offboarding, and other HR activities as needed.
• Assist with recurring operational projects and cross-train on key Finance and HR processes.

Skills

Operations experience

Finance administration

Payroll & billing

HR administration

Attention to detail

Excel proficiency

Data handling

Tools

ATS systems

Accounting software

Timekeeping systems

Job description

About the Role

At MissionStaff, we connect top talent in Business Services, Tech, Marketing & Creative with companies of all sizes—offering flexible, high-touch staffing solutions. We are looking for a part-time Operations Coordinator to provide administrative and operational support across Finance, HR, payroll, billing, and other recurring business processes.

This role is ideal for someone who is highly organized, detail-oriented, comfortable working with numbers and systems, and able to independently keep recurring tasks moving. You'll work closely with our Finance and HR teams to maintain accurate information, follow up on outstanding items, and help ensure key operational processes are completed accurately and on time.

Responsibilities

• Support recurring billing, invoicing, payroll, timesheet, and financial administration.
• Monitor timesheet submissions and approvals and follow up on missing or incomplete information.
• Maintain accurate employee, client, billing, payroll, and operational records across company systems.
• Assist with data entry, reporting, expense documentation, purchase orders, accounts payable, and accounts receivable activities.
• Identify discrepancies or missing information and work with internal and external contacts to resolve them.
• Provide administrative support for employee onboarding, offboarding, and other HR activities as needed.
• Assist with recurring operational projects and cross-train on key Finance and HR processes to provide additional coverage.

About the Role

At MissionStaff, we connect top talent in Business Services, Tech, Marketing & Creative with companies of all sizes—offering flexible, high-touch staffing solutions. We are looking for a part-time Operations Coordinator to provide administrative and operational support across Finance, HR, payroll, billing, and other recurring business processes.

This role is ideal for someone who is highly organized, detail-oriented, comfortable working with numbers and systems, and able to independently keep recurring tasks moving. You'll work closely with our Finance and HR teams to maintain accurate information, follow up on outstanding items, and help ensure key operational processes are completed accurately and on time.

Responsibilities

• Support recurring billing, invoicing, payroll, timesheet, and financial administration.
• Monitor timesheet submissions and approvals and follow up on missing or incomplete information.
• Maintain accurate employee, client, billing, payroll, and operational records across company systems.
• Assist with data entry, reporting, expense documentation, purchase orders, accounts payable, and accounts receivable activities.
• Identify discrepancies or missing information and work with internal and external contacts to resolve them.
• Provide administrative support for employee onboarding, offboarding, and other HR activities as needed.
• Assist with recurring operational projects and cross-train on key Finance and HR processes to provide additional coverage.

What We're Looking For

• Previous experience in operations, finance administration, payroll, billing, HR administration, or a related support role.
• Strong attention to detail and comfort working with numbers and data.
• Proficiency with Excel, including formulas, sorting, filtering, and organizing data.
• Experience working with accounting, payroll, timekeeping, ATS, or similar business systems.
• Ability to manage recurring deadlines and follow through on outstanding items with limited oversight.
• Staffing, professional services, or similar industry experience is a plus.

This is a part-time role expected to average approximately 16–24 hours per week. Responsibilities may evolve based on business needs and the individual's experience and capabilities.

MissionStaff is an equal opportunity employer. Please note that we do not accept unsolicited resumes from third-party recruiters or agencies. Additionally, candidates must be U.S. citizens or Permanent Residents to be considered for this position.