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Commercial Site Administrator

ERSG Ltd
Portsmouth, VA Contractor
POSTED ON 4/10/2026
AVAILABLE BEFORE 5/10/2026

ERSG is currently looking for a Commercial Site Administrator for a large offshore wind turbine manufacturer based out of Portsmouth, Virginia.


Position Overview:

The Commercial Site Administrator manages typical finance administrative tasks on a construction site and reports functionally to the Commercial Site Management and disciplinary to the Operations Manager in the back-office.


Supporting the Commercial Site Manager & Senior Admins to ensure financial and commercial processes on site are properly adhered to, the Commercial Site Administrator will be part of the site team to assist with the day-to-day finance topics including forecasting, quality assurance of costs on site, purchase ordering, processing, and checking invoices from suppliers and reporting of costs.


Responsibilities:

Procurement:

  • Support the Purchase Order (PO) process by raising PO requisitions, sending POs to suppliers, and ensuring adherence to all purchasing processes.
  • Execute the Short Order process on-site, including raising, filing, and monitoring all short orders.
  • Validate supplier invoicing and ensure correct posting against POs, acting as a contact person for suppliers regarding invoices and payments.

Cost Controlling:

  • Assist the Commercial Site Manager with input on site purchases to enhance cost controlling and forecast accuracy.

Asset Management:

  • Ensure site inventory is established and monitored, including setting up and maintaining an assets log and performing regular inventory checks.

Commercial Documentation:

  • Track, monitor, and log site inventories, purchases, assets, and equipment.
  • Provide support for ad hoc administrative tasks, including attending meetings and drafting minutes/notes as needed.

Event Documentation and Communication:

  • Maintain responsibility for documenting events and communicating these to the Commercial team, ensuring they are informed of any issues that impact the project financially.

Coordination with Construction Administrators:

  • Collaborate with Construction Administrators to ensure alignment with project operations and goals.


Competencies:

  • Business Administration and Finance – Purchase Ordering, Invoices, cost controlling and analysis.
  • Advanced communication skills in multicultural environments.
  • English language proficiency.
  • Advanced IT Skills - MS Outlook, Office 365 (Excel, Word, OneDrive).
  • Team player.
  • Self-motivated and trustworthy.
  • Quality & Focus Oriented
  • Experienced w/ SAP
  • Knowledge and interest in industry - wind turbine industry, construction projects.
  • Safety awareness
  • Analysis/statistics
  • OSHA10 or Equivalent


Qualifications:

Professional:

  • Proven experience as office / business administrator, assistant or relevant role. Qualifications in Finance and Business Administration studies will be an advantage.

Project/Process:

  • Familiarity with Siemens office management procedures and preferably within the Offshore Wind Industry.

Intercultural:

  • Living and working experience in an intercultural environment


Capabilities:

  • Team Skills
  • Ability to Learn
  • Communication Skills
  • Customer Focus
  • Ability to Analyze
  • Change Orientation


Contacts:

  • Internal - Finance and Commercial teams, Site Management and Site Team, Site Support, Departments and all other internal Interface to/from the site.
  • External - Customers, subcontractors, suppliers and all other external contacts to/from the site

Salary : $25 - $33

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