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Active6d ago

Sales Development Representative

Epsilon3·📍 Los Angeles, United States

Employment

FULL TIME

Work mode

On-site

Experience

1+ years

Salary

$60K – $100K/yr

Pay vs market · Above median

This job's pay ($80,000 a year at the midpoint) is higher than about 60% of 134 salary-listed Sales Development Representative jobs in United States in the last 12 months; their median is $72,650.

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Role overview

Job description

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. Responsibilities

  • Drive Outbound Pipeline: Proactively prospect and engage key decision-makers across email, phone, LinkedIn, and industry events to build high-quality outbound opportunities.

  • Qualify & Convert: Assess inbound interest quickly, evaluate technical fit, and turn curiosity into qualified pipeline for our Account Executives and Leadership team.

  • Master the Tech Stack: Leverage tools like Salesforce/HubSpot, Outreach, LinkedIn Sales Navigator, and Fathom to execute hyper-personalized outreach campaigns at scale.

  • Partner with GTM Leadership: Work hand-in-hand with Sales and Marketing to refine messaging, test new angles, and hone our go-to-market playbook.

  • Own Your Metrics: Track, analyze, and optimize your activity performance. You’ll know your numbers inside out and constantly test ways to improve conversion rates.

  • Become a Subject Matter Expert: Build a deep understanding of our software, customer workflows, and the evolving frontier of hardware, defense, and space tech.

    • Basic Qualifications

  • Proven Track Record: 1+ years of B2B SaaS sales or business development experience, with a history of consistently meeting or exceeding quota.

  • Technical Acumen: Ability to speak comfortably to technical personas. A STEM degree, engineering background, or past experience selling complex SaaS solutions is highly preferred.

  • Exceptional Communication: Top-tier written and verbal skills with a talent for persuasive copywriting.

  • Tech Stack Fluency: Hands-on experience with CRMs (Salesforce/HubSpot) and sales engagement tools (Outreach, SalesLoft, Apollo, etc.).

  • Relentless Drive & Curiosity: Self-motivated, coachable, resilient, and constantly seeking ways to level up your craft.

  • Clearance Eligibility: U.S. Citizenship is required for this role (future security clearance may be required due to the nature of our customer base).

    • Bonus Points If You Have

  • Worked in aerospace, defense, and advanced manufacturing domain

  • Engineering pedigree

    • Perks: This full-time role includes stock options, generous PTO, health insurance, and a 4% 401k match. Epsilon3 is an equal opportunity employer committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. Epsilon3 makes hiring decisions based solely on qualifications, merit, and business needs at the time. Epsilon3 Newsletter | LinkedIn | YouTube | Instagram | X

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    About this listing

    • Source: Epsilon3's official careers site · still listed there on 10 Nov 2026
    • Posted 3 Nov 2026

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    What they are looking for

    Skills & requirements

    salesforce →

    Qualification

    U.S. Citizenship is required for this role (future security clearance may be required due to the nature of our customer base).

    Department · GTM

    Hiring company

    Epsilon3

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