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Commercial Site Administrator (Portsmouth)

ErsgPortsmouth, VAApril 20th, 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 OrientedExperienced w/ SAPKnowledge and interest in industry - wind turbine industry, construction projects.Safety awarenessAnalysis/statisticsOSHA10 or EquivalentQualifications: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 environmentCapabilities:Team SkillsAbility to LearnCommunication SkillsCustomer FocusAbility to AnalyzeChange OrientationContacts: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