Administrative Support Specialist – Site Access Coordination

BH-303362
  • Competitive
  • Amsterdam Provincie Noord-Holland
Vacancy: Administrative Support Specialist – Site Access Coordination
Location: IJmuiden area, North Holland
Client: global industrial organization
About the Role:
We are seeking an Administrative Support Specialist to manage and coordinate supplier access processes for a large-scale industrial site. In this role, you will serve as a key liaison between internal departments and both national and international suppliers. You will work closely with the internal Safety Center and Procurement team to review, approve, and maintain access authorizations using enterprise systems such as SAP ECC, SAP Ariba, and Mainframe applications.
Your day-to-day activities will involve evaluating access requests, managing documentation, resolving supplier inquiries, and ensuring that all access-related procedures meet internal safety and compliance standards. This is a collaborative role where teamwork and clear communication are essential.
Key Responsibilities:
  • Review and validate supplier access requests and associated certificates.
  • Ensure required documents and data are accurately recorded in relevant systems.
  • Guide suppliers and internal colleagues through the site access process.
  • Collaborate with departments such as the Safety Center to align on approvals and compliance.
  • Share responsibility within the team to manage and respond to incoming requests, questions, and complaints.
Ideal Candidate Profile:
  • MBO Level 4 diploma (Intermediate vocational education or equivalent).
  • Experience with business systems such as SAP ECC and SAP Ariba is an asset.
  • Strong command of both Dutch and English; knowledge of German and French is a plus.
  • A collaborative team player who enjoys working with both internal stakeholders and external partners.
  • Attention to detail, service-oriented mindset, and proactive attitude.
Additional Information:
  • This role is subject to the client's collective labor agreement (specific salary scale applies).
  • Pre-employment screening is mandatory before onboarding.
  • Candidates must be compliant with safety regulations (e.g., VCA VOL certificate required).
  • Position available for both payroll employees and freelancers (ZZP).
  • When offering an indirect freelancer (ZZP), no additional intermediary is allowed. Contract must be directly with Magnit.
  • Fee-only agreements apply for suppliers offering ZZP candidates (€10 max/month, up to 12 months).
  • A motivation letter is encouraged. Please include your interest in the role and why you'd like to work with this client.


With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining and Manufacturing sectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients.

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