Site Administrator (m/f/d)

Do you want to play an active role in shaping the energy transition? At SeaRenergy, you'll work on challenging offshore wind and energy infrastructure projects in an international environment. With our 361° Offshore Expertise, we support projects throughout their entire lifecycle – from the initial concept to long-term operations. We combine technical services, engineering expertise, experienced project teams, and highly qualified professionals to support our customers and projects exactly where they are needed most. This creates diverse opportunities for professional growth – whether within our own teams or through exciting project assignments with our clients.

We are currently seeking an experienced

Site Admistrator (m/f/d)

Start date: November 2026 \| Duration: until mid-2028 \| Location / Assignment location: Bergrheinfeld, Germany \| Contract type: Freelance / B2B

You will support a major German HVDC transmission infrastructure project on a freelance basis at the converter station in Bergrheinfeld. The assignment is onshore and site-based in a construction-site office environment.

We expressly welcome applications from all individuals, regardless of gender, background, or other personal characteristics.

Responsibilities

As part of your role, you will be entrusted with the following responsibilities:

• Assist the Site Manager and site team with day-to-day administrative tasks and ensure a structured and well-organized site office
• Collect and maintain progress information, prepare reports and presentations, attend meetings, distribute minutes and track agreed action items
• Coordinate site onboarding and arrivals, including training, documentation, security requirements, PPE, badging, site instructions and transportation
• Track personnel timesheets and working hours, maintain up-to-date personnel records and act as a central information point for the site team and visitors
• Manage general site office administration, including document and translation support, parcel handling, living-quarter administration, office facilities and supplies
• Support site operations and team activities by coordinating visits, liaising with local suppliers and contractors and continuously improving administrative processes and efficiency Requirements

Does your profile meet most of these requirements? We look forward to your application.

• Completed vocational training in a commercial or administrative field, e.g. office management, business administration or a comparable qualification
• Solid experience in office administration, coordination, customer service or a comparable support function; an engineering background is not required for this role
• Confident user of Microsoft Office, particularly Word, Excel and PowerPoint; experience with SharePoint, BIM360/ACC or xECM is an advantage
• Very good German and English skills, as both languages are required for day-to-day communication, meetings and onboarding activities
• Strong ability to coordinate multiple administrative tasks, people, site visits and activities in a structured and reliable manner
• Proactive, service-oriented and communicative personality with strong interpersonal skills and the ability to find practical solutions in a dynamic site environment Benefits

To support a successful collaboration throughout the project, we offer the following benefits:

• A diverse and challenging role in a forward-thinking energy infrastructure company
• Collaboration with a highly experienced and motivated international team
• Insight into cutting-edge projects in a fast-evolving energy sector
• Clear coordination, streamlined onboarding, and professional project support
• The opportunity to build long-term relationships and future project opportunities with SeaRenergy

You can expect a varied role with a high level of personal initiative and responsibility in a dynamic team within the energy infrastructure sector. You will gain valuable hands-on experience and have the opportunity to develop both professionally and personally.

Have we sparked your interest?

Feel free to apply even if your profile does not fully meet all the requirements, as we value a willingness to learn just as much as professional expertise.