Epsilon3 is a multi-product operations management platform revolutionizing the way teams build, launch, and operate spacecraft and other advanced hardware systems.
Launched in 2021, our company is led by engineers from SpaceX, Google, and NASA, who have experience supporting over 100 space missions. Innovative teams at Blue Origin, Rocket Lab, Axiom Space, Firefly Aerospace, and many others depend on our web-based (SaaS) solutions to plan and track high-stakes procedures. We raised a $15M Series A funding round led by Lux Capital, Y Combinator (YC S21), and other world-class investors.
We're looking for an experienced Senior Account Executive to help drive Epsilon3's next phase of growth. This is a senior individual contributor role for someone who combines an engineering background with a proven track record of selling complex technical SaaS solutions.
You'll own the full sales cycle - from generating pipeline to closing business working directly with technical and executive stakeholders. Success in this role requires technical credibility, consultative selling skills, and a consistent history of exceeding revenue targets.
Responsibilities
Own the full sales cycle from prospecting through negotiation and close
Consistently exceed monthly, quarterly, and annual revenue goals
Generate approximately 50% of your pipeline through outbound prospecting, networking, and industry events
Lead discovery sessions and technical product demonstrations with engineering and executive stakeholders
Develop compelling business cases and communicate customer value across complex buying committees
Build strong relationships with customers in aerospace, defense, energy, and other technical industries
Partner closely with Product and Engineering to share customer insights and influence product direction
Maintain accurate forecasting, pipeline management, and CRM hygiene
Represent Epsilon3 at customer meetings, conferences, and industry events
Within your first 6-12 months, you will:
Become an expert in the Epsilon3 platform and target markets
Build a healthy self-sourced pipeline
Consistently exceed closed-won revenue goals
Become a trusted advisor to customers and a key contributor to our growing sales organization
Basic Qualifications
10+ years of quota-carrying B2B sales experience with a history of consistently exceeding quota
Bachelor's degree in Engineering or another technical discipline
Professional engineering or hands-on technical work experience prior to transitioning into sales
Proven success selling complex technical SaaS solutions
Full-cycle sales experience, including prospecting, technical demonstrations, negotiation, and closing
President's Club recognition or a demonstrated record of top sales performance
Experience selling into aerospace, defense, energy, advanced manufacturing, or other engineering-driven industries
Exceptional communication, presentation, and executive relationship-building skills
US Citizenship and/or Permanent Residency (future security clearance may be required) - must be located in the United States
Preferred Qualifications
Experience selling workflow, engineering, PLM, MBSE, simulation, or operations software
Experience in a high-growth Series B–D SaaS company
Existing relationships within aerospace, defense, energy, or related technical industries
Why Join Epsilon3:
Work with industry-leading customers, including NASA and other innovative engineering organizations
Join at an inflection point with significant growth opportunities
Sell a highly differentiated product with strong customer adoption and retention
Partner closely with founders, Product, and Engineering to shape the future of the business
Play a foundational role in building a world-class commercial organization
