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Business Development Officer – Sustainable Infrastructure

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Twain Financial Partners
Full Time position
Listed on 2025-12-29
Job specializations:
  • Finance & Banking
    Corporate Finance
  • Business
Job Description & How to Apply Below
Location: St. Louis

Business Development Officer – Sustainable Infrastructure

Join to apply for the Business Development Officer – Sustainable Infrastructure role at Twain Financial Partners.

About Twain Financial Partners Twain Financial Partners is an investment firm located in St. Louis, MO, with over $6 billion in assets under management within the public‑private partnership sector. The company specializes in tax credit, structured debt, and real estate transactions and collaborates with financial institutions, corporations, and high‑net‑worth individuals to structure and manage investments that offer both attractive economic returns and social benefits.

Position Overview The Business Development Officer will play a key role in supporting Twain’s Sustainable Infrastructure team. This individual will be responsible for originating project finance investment opportunities, managing relationships with project sponsors, and driving growth in the renewable energy and sustainable infrastructure sectors.

Responsibilities

  • Originate and manage relationships with project developers and owners.
  • Negotiate investment terms and structures.
  • Identify opportunities to provide financing to project developers and owners.
  • Represent the firm at industry events and conferences.

Qualifications

  • Bachelor’s degree preferred.
  • 7+ years of experience in renewable energy or sustainable infrastructure.
  • Excellent written and verbal communication skills.
  • Ability to manage multiple priorities and work effectively in a fast‑paced environment.
  • Familiarity with Solar and BESS project finance.
  • Self‑starter with a collaborative mindset and strong attention to detail.
  • Ability to travel up to 25% of the time.

Benefits At Twain

  • Medical, Dental & Vision Insurance – Employee coverage paid 100% by Twain.
  • Immediate Eligibility – Insurance coverage begins on your first day of employment.
  • 401(k) Retirement Plan with competitive company match.
  • Life Insurance & Disability paid 100% by Twain.
  • Paid Parental Leave.
  • Unlimited PTO to support work‑life balance.
  • Personal and professional development opportunities through regular speaker trainings, lunch and learns, etc.
  • And more!
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