Sales Development Intern: AI-Driven Enterprise Outreach

S27a; New York (NY); On-site; USD 40,000 - 70,000; Full time

Job summary

Mason is seeking an energetic team member to drive early-stage enterprise outreach in the built world. You’ll learn how enterprise sales work at a fast-moving startup and own the process from prospecting to meetings.

No prior sales experience required; energy, coachability, and the drive to own outcomes matter. You’ll research accounts, build lists, draft outreach, and support demos as part of a small, ambitious team.

Qualifications

• High ownership, high agency — you own the outcome, not just the task.
• Relentless and resourceful; you find a way to the right person.
• Strong written and verbal communication.
• Genuine curiosity about physical development and how AI is changing the industry.
• Coachable and fast-learning; you act on feedback immediately.
• Comfortable with rejection and high-volume outreach.
• Sales or customer-facing experience is a plus, not a requirement.

Responsibilities

• Research target accounts and find the right people to talk to.
• Build and maintain prospect lists.
• Draft and send personalized outreach.
• Book qualified meetings for the founding team and sit in to learn the craft.
• Track what messaging lands and feed insights back to the team.
• Support the founders on demos, follow-ups, and deal logistics.
• Help build the playbooks and tooling that let a tiny team sell like a big one.

Skills

Ownership & accountability

Outbound outreach

Communication skills

Curiosity about AI in construction

Coachability

Resilience under rejection

Startup pace mindset

Job description

Mason is seeking an energetic team member to drive early-stage enterprise outreach in the built world. You’ll learn how enterprise sales work at a fast-moving startup and own the process from prospecting to meetings.

No prior sales experience required; energy, coachability, and the drive to own outcomes matter. You’ll research accounts, build lists, draft outreach, and support demos as part of a small, ambitious team.