Sr. Administrative Assistant

Transforming the Future of Enterprise Planning

At o9, our mission is to be the Most Value-Creating Platform for enterprises by transforming decision-making through our AI-first approach. By integrating siloed planning capabilities and capturing millions—even billions—in value leakage, we help businesses plan smarter and faster.

This not only enhances operational efficiency but also reduces waste, leading to better outcomes for both businesses and the planet. Global leaders like Google, PepsiCo, Walmart, T-Mobile, AB InBev, and Starbucks trust o9 to optimize their supply chains.

Sr. Administrative Assistant

We’re seeking a highly professional and detail-oriented Sr. Administrative Assistant to provide comprehensive support to our C-Suite executives and ensure smooth day-to-day operations in our Dallas office. This role requires exceptional organizational skills, discretion, and the ability to engage confidently with internal and external senior-level stakeholders - including investors, board members, and executive leaders from partner organizations.

In addition to executive support, this individual will assist with general office administration, collaborating closely with our Office Manager to maintain a welcoming and efficient workplace.

What you’ll do for us…

Executive Support

• Provide administrative support to C-Suite executives, including calendar management, meeting coordination, travel arrangements, and expense reporting.

• Serve as a primary point of contact for internal and external senior stakeholders, demonstrating professionalism and discretion at all times.

• Coordinate meetings with investors, board members, and external partners, including managing complex scheduling and logistics.

• Prepare and edit correspondence, communications, and presentations on behalf of executives.

• Ensure confidentiality in handling sensitive information and executive communications.

Office Administration

• Support the Office Manager with administrative and facility-related tasks, including office supplies, vendor coordination, and meeting setup.

• Serve as a reliable on-site presence to support day-to-day office operations and assist with internal events or meetings as needed.

This is a fully in-office position.  You will be expected to be in the o9 office during normal business hours  except when you are on approved leave.
 

What you’ll have…

• 5+ years of experience as an Administrative Assistant or similar. 

• 1+ year of experience supporting C-Suite executives.

• Experience in a fast-paced, professional environment.

• Proven experience interacting with external senior stakeholders (investors, board members, or client executives).

• Strong written and verbal communication skills with exceptional attention to detail.

• High level of integrity and ability to handle confidential information.

• Advanced proficiency with Microsoft Office Suite and/or Google Workspace tools.

• Excellent organizational and time management skills, with the ability to manage multiple priorities simultaneously.

• Professional, proactive, and approachable demeanor; thrives in a collaborative team environment.

This position at o9 Solutions has an hourly range of $29-$39. Additionally, you may be eligible to participate in our medical, retirement, and other company-sponsored benefits.**The above information reflects the expected base salary range, although the lower and upper bounds may vary based on location, skills, experience, certifications, licenses, or other relevant factors.

More about us… 

At o9, transparency and open communication are at the core of our culture. Collaboration thrives across all levels—hierarchy, distance, or function never limit innovation or teamwork. Beyond work, we encourage volunteering opportunities, social impact initiatives, and diverse cultural celebrations.

With a $3.7 billion valuation and a global presence across Dallas, Amsterdam, Barcelona, Madrid, London, Paris, Tokyo, Seoul, and Munich, o9 is among the fastest-growing technology companies in the world. Through our aim10x vision, we are committed to AI-powered management, driving 10x improvements in enterprise decision-making. Our Enterprise Knowledge Graph enables businesses to anticipate risks, adapt to market shifts, and gain real-time visibility. By automating millions of decisions and reducing manual interventions by up to 90%, we empower enterprises to drive profitable growth, reduce inefficiencies, and create lasting value.

o9 is an equal-opportunity employer that values diversity and inclusion. We welcome applicants from all backgrounds, ensuring a fair and unbiased hiring process. Join us as we continue our growth journey!