Senior Sales Development Manager

Senior Sales Development Representative (SDR) ManagerEpsilon3 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 Sales Development Representative (SDR) Manager to lead, scale, and grow our Sales Development team.

This is a great opportunity for a strategic leader who enjoys coaching people, building high-performing teams, and creating scalable outbound processes. You'll be responsible for managing and developing our current SDRs while designing the strategy to scale the team as we continue to grow. Working closely with Sales and Marketing leadership, you'll drive pipeline generation, improve performance through advanced coaching and enablement, and build a culture of accountability, learning, and success.What You'll Do:Lead, coach, and mentor our existing SDR team through regular 1:1s, call reviews, and ongoing professional developmentArchitect the hiring plan to recruit, hire, onboard, and ramp new SDRs as we expand the teamDrive team performance against activity, meeting, and pipeline goals, taking full ownership of the outbound quotaDevelop and refine sophisticated outbound prospecting strategies, messaging, and sales playbooksTrack KPIs and use data to identify coaching opportunities, improve conversion rates, and report pipeline forecasts to leadershipPartner closely with Sales, Marketing, and RevOps to ensure high-quality lead generation and smooth handoffsFoster a collaborative, high-performance culture with a focus on continuous improvementWhat We're Looking For:5–10+ years of experience in an SDR/BDR or outbound sales role, with 3+ years managing or leading an SDR/BDR team in a B2B SaaS environment (experience scaling a team from scratch is a plus)Hands-on experience as an SDR/BDR - you've done the role yourself and can coach from experienceProven ability to hire, onboard, coach, and develop SDRs into high-performing sales professionals and future Account ExecutivesExperience leading and scaling a small to mid/large-sized SDR team (8-10+ reps)Strong track record of consistently meeting or exceeding pipeline and team performance goalsExpertise in outbound prospecting, including cold calling, objection handling, email sequencing, and LinkedIn outreachExperience using CRM and sales engagement tools such as HubSpot (preferred), Salesforce, Apollo, LinkedIn Sales Navigator, Outreach, or SalesloftStrong analytical skills and comfort using data and reporting to manage performance, identify trends, and improve resultsStrong communication, leadership, and cross-functional collaboration skillsFamiliarity with AI tools to improve research, personalization, coaching, and team productivity is a plusWhat Success Looks Like:Build and develop a motivated, high-performing SDR team that consistently exceeds pipeline goalsSuccessfully onboard and ramp new hires into productive team membersImprove team productivity and conversion rates through effective coaching and process improvementsCreate scalable outbound programs that support the company's continued growthBe a trusted partner to Sales and Marketing leadership in driving predictable revenue growthWhy Join Us:Opportunity to lead and scale a growing SDR organizationMake a direct impact on company growth and revenueWork alongside a collaborative, ambitious, and supportive leadership teamCompetitive compensation, benefits, and opportunities for career advancement$180,000 - $215,000 a yearPerks: 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.