Tender and Sales Support Specialist

Are you passionate about green energy and looking to be part of a dynamic, fast-growing international organization?

At Muehlhan Wind Service, we are driven by a shared ambition to support the global energy transition. Through the expertise, dedication, and commitment of our people, we deliver high-quality solutions that contribute to lowering the cost of green energy worldwide.

If you are looking for an opportunity to make a real impact, work alongside talented professionals, and grow your career in a thriving and purpose-driven environment, Muehlhan Wind Service could be the place for you.

A Commercial Proposal Specialist is responsible for assisting with the end-to-end bidding and proposal process for contracts while also providing operational and administrative support to the sales team.

The Commercial Proposal Specialist will support the commercial sales team in securing utility-scale wind energy contracts. This position oversees the administrative and operational life cycle of formal requests for proposals (RFPs) and tenders. The coordinator ensures all technical specifications, logistical planning, supply chain costs, and compliance documentation seamlessly align to form highly competitive bids.

This full-time role requires working in the office located in Flower Mound, Texas.

The role covers several key areas, including but not limited to the following:

• Support end-to-end tender activities, ensuring timely, compliant, and high-quality proposals for global clients.
• Prepare, review, and optimize bid, proposal, contract, and sales documentation, including pricing and project budget calculations.
• Advise the sales team on contract terms, bid or proposal requirements, and commercial considerations in coordination with Legal and Commercial managers.
• Coordinate input from cross-functional stakeholders across Sales, Legal, Finance, QHSE, and Operations for accurate submissions.
• Maintain and update sales systems, pipelines, templates, and tools to support efficient tender processes.
• Provide expertise in proposals, bid, and sales support, contributing to process improvements and streamlined back-office operations.
• Organize and distribute pre-qualification questionnaires (PQQs) to internal technical and compliance divisions.

• Bachelor’s degree in business administration, engineering, renewable energy, or a related field.
• 2+ years of experience working with complex Business to Business (B2B) proposals, contract bidding, or project coordination.
• Any equivalent combination of education and/or experience may be substituted for the above.
• Proficiency with advanced spreadsheet modeling (Excel) and Customer Relationship Management (CRM) software.
• Possession of a valid driver’s license.

• Direct experience in wind energy, heavy construction, or power generation infrastructure is highly preferred.

The ideal candidate will demonstrate:

• Experience supporting bid or proposal preparation, sales documentation, and contract processes.
• Knowledge of sales processes, business/project lifecycle, and compliance requirements.
• Experience of problem-solving, decision-making, and results-oriented support.
• Strong communication, stakeholder coordination, and client-focused approach.
• High attention to detail and accuracy in documentation and reporting.

• Medical insurance
• Dental insurance
• Vision insurance
• Life insurance
• Disability insurance
• 401(k) with company match
• Paid vacation
• Paid holidays
• Parental leave

Muehlhan Wind Service (MWS) is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all…