Site Administrator (m/f) – Pipeline Construction / Steel Construction / Mechanicals

Requirements

Several years of professional experience as a Site Administrator, Construction Administrator, Project Administrator, or in a comparable commercial role in plant and industrial construction

Very good technical understanding in the areas of:

Pipeline construction

Steel construction

Mechanicals

Proficient handling of technical documentation, especially P&IDs and isometrics

Experience in special plant construction or industrial plant construction

Experience in the commercial support of large industrial projects with an investment volume of approx. €20–50 million

In-depth knowledge of various billing and remuneration models

Very good Excel skills, especially in handling complex formulas, analyses, and commercial calculations

Strong commercial understanding and a high awareness of costs and results

Structured, independent, and conscientious way of working

Assertiveness and strong communication skills in dealing with various project participants

Strong understanding of the economic evaluation and enforcement of services.

What Awaits You

You can expect a demanding and varied industrial project with a high degree of personal responsibility and scope for action. You will play a central role in the commercial management and billing of project services and will significantly contribute to ensuring that rendered services are billed completely and economically optimally.

You will identify billable services, gather all necessary information, and ensure that rendered services become billable revenue.

We look forward to your application!

Project details

Rotterdam, Netherlands | Project duration: 6–7 months with extension option | Start: Immediately

For an exciting industrial project for our client in Rotterdam (Netherlands), we are looking for an experienced Site Administrator (m/f) with in-depth knowledge of pipeline construction, steel construction, and mechanicals, to start as soon as possible.

In this position, you will be responsible for the commercial support and processing of a demanding plant construction project. You will act as the interface between the construction site, engineering, project management, and the client, ensuring that all services rendered are fully recorded, evaluated, and commercially invoiced.

Your particular focus will be on identifying all billable services and maximizing the economic potential of the project.

Project Data

Rotterdam, Netherlands

Immediately, no later than 08.01.2027

6–7 months, with an option for extension

Work model: 5 days a week on-site at the construction site

Remote option: Potentially remote on Fridays in the future

Your Responsibilities

Independent commercial support and processing of the construction site project

Commercial recording, evaluation, and invoicing of all rendered engineering, pipeline construction, steel construction, and mechanicals services

Verification and identification of all billable services and additional claims for remuneration

Consistent follow-up and commercial exploitation of the existing billing potential

Compilation of all billing-relevant information, proof, and documentation up to full invoicing and invoice dispatch

Verification and application of different billing models, in particular:

Fixed price

Time & Material (T&M)

Hourly billing

Measurement and quantity determination

Unit Rates

Billing according to percentage of work progress

Interim invoices

Quantity and price billing

Coordination with engineering, site management, project management, and other project participants

Conducting regular site inspections to verify and document the actual progress of work

Creation and maintenance of billing overviews, analyses, and commercial reports

Ensuring complete and traceable billing documentation.

• Start: ASAP
• Duration: 7 months
• Remote: onsite
• Location: Rotterdam, Netherlands, NL
• Languages: German