Jobs in our community

Find your next role in helping to solve humanity’s most pressing challenges.

Executive Assistant Office Manager



Administration, Operations
United States
Posted on Thursday, February 29, 2024

Title: Office Manager/Executive Assistant

Location: Denver, CO – Hybrid (3+ days/week in office)

Job Type: Full-Time

Join the Clean Energy Revolution!

Are you ready to shape the future of sustainable energy? Hydrostor, a pioneer in Advanced Compressed Air Energy Storage (A-CAES) systems, is seeking an Office Manager/Executive Assistant to join our Denver team. We’re enabling the energy transition to a cleaner, more reliable electricity grid, and invite you to be at the forefront of this groundbreaking journey.

Why Hydrostor?

Our cutting-edge A-CAES technology is uniquely positioned to revolutionize the energy landscape. Join us as we lead the way in shaping a greener, more sustainable future.

Your Mission:

As the Office Manager/Executive Assistant at Hydrostor, you will play a pivotal role in ensuring the smooth functioning of our Denver, CO office and providing high-level support to the Chief Development Officer and extended team. This dual role involves not only managing office operations but also serving as a crucial link between the executives and internal/external stakeholders. Reporting to the Chief Development Officer, you will contribute significantly to the overall efficiency and effectiveness of the organization.

Your Day-to-Day Adventures

  • Office Needs Coordination: Serve as the point of contact for office-related matters with the landlord, ensuring the office space meets the team's needs.
  • Lease Management: Manage the lease agreement for the office space, ensuring compliance with terms and conditions.
  • Vendor Engagement: Engage with vendors to maintain office safety, cleanliness, and functionality, including security services, cleaning companies, and IT support.
  • Office Amenities: Coordinate catering, snacks, and beverages for the office, ensuring a comfortable and welcoming environment for employees.
  • IT Support Coordination: Work with the IT team to ensure all office technology and equipment function properly, addressing any issues that arise.
  • Security and Access: Manage security systems, access controls, and badging for employees, maintaining a secure and accessible office environment.
  • Space Management: Coordinate hot desking and office space allocation for the local team, optimizing office resources.
  • Calendar Management: Efficiently manage executive(s) calendars and coordinate meetings, appointments, and travel arrangements, ensuring optimal use of time and resources.
  • Communication Hub: Act as the primary liaison between executive(s) and internal/external contacts, handling phone calls, emails, and correspondence professionally and promptly.
  • Documentation: Prepare and edit documents, reports, and presentations for executive meetings, ensuring accuracy and professionalism.
  • Travel Coordination: Arrange complex domestic and international travel itineraries, including flight reservations, accommodations, and transportation.
  • Meeting Support: Assist in preparing meeting agendas, materials, and minutes. Attend meetings to take notes and facilitate follow-up actions as needed.
  • Expense Management: Track and reconcile executive expenses, ensuring adherence to company policies and accurate financial reporting.
  • Confidentiality: Maintain strict confidentiality of sensitive information and executive discussions.
  • Special Projects: Undertake special projects and research assignments as directed by the executives, demonstrating adaptability and problem-solving skills.
  • Team Collaboration: Collaborate with other executive assistants and administrative staff to ensure efficient office operations.

Who You Are:

We are seeking a versatile and proactive professional who excels in both office management and executive support. The ideal candidate should possess exceptional attention to detail, adaptability in a fast-paced environment, and the ability to maintain the utmost professionalism and confidentiality. Effective written and verbal communication skills, coupled with the capacity to work both independently and collaboratively, are essential traits for success in this role. A secondary education in business administration, office management, or a related field is required, along with proven experience as an Executive Assistant or in a similar role supporting senior-level executives.

What You Bring:

  • Secondary education in business administration, office management, or a related field.
  • Proven experience as an Executive Assistant or in a similar role supporting senior-level executives.
  • Experience working with boards, including compiling board packages, managing board communications, and coordinating board meetings.
  • Proficiency in Microsoft Office Suite and other relevant software.
  • Exceptional organizational and time-management skills.
  • Strong interpersonal and communication abilities.
  • Discretion and the ability to handle sensitive information.
  • Ability to work independently and collaboratively as part of a team.
  • Flexibility to work outside of regular business hours when necessary.
  • Interest in the renewable energy sector and start-up environment would be an asset.

Compensation Details:

  • Salary: $70,000 - $105,000
  • Discretionary Bonus
  • Paid Vacation Time
  • Medical, Dental and Eyecare Benefits
  • 401K Program – with a match!
  • Employee Share Option Plan

To Apply:

To apply for this position, submit your resume by clicking “Easy Apply”.

We thank all applicants for their interest, however, only those selected to move forward in the interview process will be contacted.

For more information on Hydrostor and the exciting journey we’re on visit our website at

Equal Opportunity Employer

At Hydrostor, we know that fostering an inclusive workplace, which values diversity, inclusion, and belonging is paramount to our success.

To fulfill our mission, our goal is to attract people who come from all backgrounds and walks of life, who bring diverse perspectives with wide-ranging experiences, and who share in our common passion to drive innovation and change the global energy landscape.

Hydrostor proudly embraces the principles of equal opportunity and inclusion. We are committed to providing opportunities for all employees and candidates. We ensure that all qualified applicants are considered for employment without regard to race, creed, color, religion, gender, gender identity, gender expression, age, sexual orientation, national origin, marital status, parental, pregnancy, citizenship status, veteran status, disability, or any other protected status protected by applicable law.

Hydrostor is committed to making our application and interview process accessible to everyone, and we encourage applications from people with disabilities. If you require reasonable accommodation at any stage, please contact us at In your application, we welcome you to specify your preferred pronouns (e.g. she/her/hers, he/him/his, they/them/theirs, etc.).