Office Manager

Storio group; Den Haag; On-site; EUR 35,000 - 55,000; Full time

Job summary

Storio group is seeking an Office Manager to join our local operational team in The Hague area. You will own time administration data, ensure accurate pay, and partner with HR, finance and site leaders to manage costs and payroll cycles.

The role focuses on daily time tracking, attendance, and agency hour reconciliation for up to 350 staff during peak periods, with a strong emphasis on data quality and process discipline.

Qualifications

• Proven experience with high volume data entry and data accuracy.
• Strong communication skills to resolve administrative issues with managers and agencies.
• Analytical mindset to spot trends, errors and missing data points.
• Ability to stay focused, accurate and organized in a fast-paced, manufacturing environment.

Responsibilities

• Manage daily time tracking and attendance records for plant employees using Pro-time software.
• Collaborate with HR, finance, site leaders and staffing agencies to correct hours, shifts and absences.
• Track sick leave, medical appointments and no-shows to ensure accurate agency invoicing.
• Close time administration systems on schedule for weekly and monthly payroll runs.
• Prepare key hourly workforce data and cost reports for finance and leadership teams.
• Identify inconsistencies in shift data to prevent overpayments and simplify reporting.

Skills

High volume data entry

Attention to detail

Strong communication

Analytical skills

Organized

Tools

Pro-time

Job description

Make Your Mark as an Office Manager at Storio group

About the role

As part of our local operational team, you play a vital role in keeping our facility running smoothly. You partner closely with HR, finance, site leaders, and the plant director to manage time tracking and attendance data. Your work directly supports our site operations, making sure everyone receives accurate pay while helping us manage our costs responsibly.

You take full ownership of our time administration software, primary using Pro-time. You handle daily shift updates, process leave, and reconcile agency hours from 110 team members off peak season and up to 350 people during peak. By keeping our operational records accurate every day, you help build a better business and support the people who make our products.

How you embrace curiosity daily

• Manage daily time tracking and attendance records for all plant employees using Pro-time software.
• Collaborate daily with team leads, managers, and staffing agencies to correct hours, shifts, and absences.
• Track and verify sick leave, medical appointments, and no shows to maintain accurate agency invoicing.
• Close time administration systems on schedule to ensure precise weekly and monthly payroll runs.
• Prepare key hourly workforce data and cost reports for the finance manager and leadership team.
• Spot inconsistencies in shift data quickly to prevent payment errors and simplify reporting.

How you make your mark

• Keep time and attendance data reliable to guarantee accurate, on time pay for all plant staff.
• Protect operational budgets by carefully auditing agency hours and eliminating overpayments.
• Build strong working relationships across HR, finance, and plant management through clear communication.
• Deliver accurate financial inputs that strengthen our weekly and monthly reporting cycles.
• Maintain high data quality standards even during high volume peak production periods.

What you bring to the team

• Proven experience with high volume data entry, detail checks, and system updates.
• Strong communication skills to solve daily administrative issues with managers and external agencies.
• Practical analytical skills with the ability to spot trends, errors, and missing data points.
• Ability to stay focused, accurate, and organized in a fast paced manufacturing environment.
• Comfort working with time tracking software and database management systems.

What sets you apart

• Prior experience working in a manufacturing or production plant environment.
• Deep practical knowledge of Pro-time software or similar time and attendance systems.