Houston - Executive Assistant and Office Assistant

Sorry, this job was removed at 06:15 p.m. (CST) on Tuesday, Mar 03, 2026
Houston, TX, USA
In-Office
Fintech • Consulting • Energy • Financial Services
The Role
Job Title: Executive Assistant and Office Assistant
Location: Houston
About the Role: Marathon Capital is seeking a highly professional and detail-oriented Executive Assistant to support Office Operations and several Managing Directors in our Houston office. This role is critical to the smooth functioning of our investment banking operations and requires a candidate with exceptional organizational acumen, sound judgment, and the ability to thrive in a fast-paced, high-performance environment. As a trusted partner you will manage complex calendars, coordinate high-stakes meetings and travel, and serve as a key liaison between executives, clients, and internal teams. You will be responsible for preparing confidential communications, presentations, and reports that support strategic initiatives and client engagements. Your ability to anticipate needs, maintain discretion, and ensure seamless execution of administrative functions will directly contribute to the firm’s operational excellence.
Key Responsibilities:
  • Manage daily office operations by receiving and screening communications, serving as the main point of contact for office needs, coordinating supplies and inventory, arranging catering, and liaising with building management to ensure smooth facilities support.
  • Support staff and new hires by assisting with onboarding (virtual and in-office) and providing general IT help, including phone, internet, printing, binding and web conferencing setup and troubleshooting.
  • Upholds the firm’s high standards of excellence in both client-facing and behind-the-scenes responsibilities including meeting preparation and on-site support.
  • Provides high-level administrative and operational support to senior executives, including highly dynamic calendar and expense management, complex travel coordination, and meeting preparation with a focus on maximizing executive productivity
  • Serves as project manager for the executive, taking ownership of tasks, ensuring alignment with initiative priorities, and driving projects to completion
  • Proactively relieves the executive of as much administrative detail as possible including notetaking, tracking to-do lists, and email management
  • Handles sensitive information with the utmost confidentiality and professionalism, serving as a trusted liaison between the executive and internal/external stakeholders
  • Anticipates the executive’s needs and proactively addresses potential issues, ensuring seamless and efficient operations, prioritize commitments, manage conflicts, streamline workflows, triage requests, and ensure follow-through.
Skills & Qualifications:
  • Five plus years of related experience including organization, coordination, and performance of duties at a responsible level for executives
  • Five plus years of customer service experience
  • Excellent PC skills, experience using Microsoft Office applications and CRM (Deal Cloud)
  • Outstanding organizational and time management skills
  • Exceptional communication and presentation skills, both written and verbal
  • Demonstrated ability to exercise discretion and maintain confidentiality at all times.
  • Ability to work independently and handle multiple tasks in a fast-paced environment

About Marathon:
Marathon Capital is the largest independent investment bank dedicated to servicing the clean economy. Throughout its 25-year history, the firm has played a pivotal role in many of the groundbreaking and transformative transactions for new and emerging sectors, consistently delivering exceptional results for its clients. The firm is a leading global financial adviser across M&A, equity capital markets, debt capital markets, tax credits, offtake, and energy transition. Marathon Capital is a multi-year winner of “M&A Advisor of the Year” by Power, Finance & Risk Magazine, and was recently awarded “Financial Adviser of the Year – North America (2023)” by IJ Global. Marathon Capital is headquartered in Chicago, with offices in New York, Houston, San Francisco, San Diego, London, and Calgary and with local presence in Madrid and Seoul. www.marathoncapital.com
Equal Employment Opportunity:
Employment decisions at the Company are made without unlawful regard to race, color, religion, age, national origin, ancestry, alienage or citizenship status, sex, sexual orientation, gender identity or expression, disability, pregnancy, childbirth, and related medical conditions, military or veteran status (including unfavorable discharge from military service), marital status, conviction record, sexual and reproductive health decisions, genetic information, or any other characteristic protected under applicable lawThe Company is committed to complying with all applicable laws providing equal employment opportunitiesThis commitment applies to all persons involved in the operations of the Company, including supervisors, co-workers, and interns.
 

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The Company
HQ: Chicago, IL
167 Employees
Year Founded: 1999

What We Do

Marathon Capital is a world-class investment bank committed to facilitating a more sustainable energy future. Our mission is to achieve our clients’ strategic and financial objectives by delivering inspired, knowledge-based solutions to the clean power, sustainable technologies & infrastructure markets. Founded in 1999, Marathon Capital has been involved in many pivotal energy transactions and company expansions in the areas of M&A, capital raising, project finance and tax equity advisory. We serve companies, developers, investors and sponsors in jurisdictions around the world. The firm is headquartered in Chicago, with additional offices in San Francisco, New York, London, and a representative office in Canada. Marathon Capital conducts investment banking through its various licensed entities around the world including FINRA in the US and OSC in Canada where the firm operates as an Exempt Market Dealer

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