On Site Testing Manager

Branch: CESI SpA

Date of last update: 05/08/2026 Expiry date: 31/12/2999

Location: Milan, / Berlin / Arnhem / Czech Republic | Job Type: Full-time (38 hrs/w) | Salary Range: 70/85K e 15% variable

At CESI S.p.A. we're always on the lookout for passionate and driven professionals to join our team Whether you're an experienced expert or someone bringing a fresh perspective, here you'll have the space to grow, make an impact, and work on exciting projects. Ready to give your career a boost and become part of an energetic and innovative team? Keep reading

As an On Site Testing Manager CESI S.p.A., your main responsibilities will include:

• Plan, coordinate and execute OST projects in line with customer requirements, contractual commitments and internal delivery standards.
• Define execution schedules, allocate resources and monitor progress to ensure timely completion and high equipment utilization.
• Supervise site activities and ensure compliance with technical procedures, safety standards and customer expectations.
• Act as the primary operational interface for customers and site teams during project execution.
• Manage unexpected issues and site constraints, ensuring rapid and effective problem-solving to avoid downtime, cost overruns or service disruption.
• Ensure proper mobilization and demobilization of test systems, logistics, documentation and site readiness.

• Plan and coordinate the deployment of personnel, test systems, vehicles and external service providers, where applicable.
• Optimize asset utilization, reduce idle time and maximize testing productivity across multiple sites.
• Ensure field teams are technically prepared, properly equipped and aligned with project-specific requirements.
• Coordinate maintenance needs and operational availability of testing assets in cooperation with the relevant technical and support functions.

• Prepare and maintain detailed project schedules, including dependencies, milestones and critical path items.
• Track time, cost, margin and operational performance for each job, implementing corrective actions where required.
• Support the budgeting process for the OST unit and take responsibility for achieving assigned financial and operational targets.
• Maintain transparent reporting on workload, resource availability, equipment utilization, project risks and delivery performance.

• Liaise directly with customers to confirm execution schedules, coordinate site access, logistics and readiness, and ensure satisfaction with service delivery.
• Manage claims, variations, deviations and non-conformities in close collaboration with Sales, Quality and the relevant technical functions.
• Cooperate with Sales during the definition and operational assessment of complex quotations, including feasibility, resource needs, timing and

• Identify bottlenecks, inefficiencies and recurrent delays, and implement practical process improvements.
• Introduce, maintain and continuously improve standardized site procedures, checklists, lessons learned and delivery KPIs.
• Lead initiatives aimed at reducing setup time, improving test efficiency, strengthening safety performance and enhancing reliability of results.
• Lead and motivate OST field teams, fostering a culture of safety, accountability, ownership and result orientation.
• Ensure personnel are trained, certified and technically competent for their assigned duties.
• Conduct regular performance reviews, coaching and capability development to strengthen operational excellence across locations.

• Ensure full compliance with Quality, Health, Safety and Environment requirements for all OST activities.
• Guarantee that all work is executed in accordance with KEMA Labs standards, customer/site-specific rules and applicable regulations.
• Promote a proactive safety culture, including preparation, toolbox talks, risk assessments, incident prevention and timely escalation of issues.

Here, you're not just a number. You are part of a team that supports each other and celebrates successes together. Plus, we offer an open and informal work atmosphere.

• Bachelor's degree in Electrical Engineering or equivalent technical discipline; Master's degree is a plus
• 10+ years of proven experience in on-site operations, commissioning, testing or field service activities in the energy or power sector.
• Strong background in project execution, sched