Sean Heffernan

Senior Recruiter | GTM at MongoDB 🍃 | Scaling EMEA Growth

Dublin, County Dublin, Ireland

About

Talent Acquisition professional with 5 years of experience across agency and in-house environments. Currently driving GTM and Sales Development hiring at MongoDB across EMEA. Track record in high-volume, niche, and leadership roles across Tech, Sales and Finance — from startups to Fortune 100. Tools: Workday, Greenhouse, Bullhorn, Phenom, Gem, LinkedIn Recruiter, LinkedIn Talent Insights, SeekOut. Interests: DEI, AI, Employer Brand.

Experience

  • Senior Recruiter - GTM EMEA at MongoDB
    May 2026 - Present · 2 mos

    Full-cycle GTM & Sales Development recruiting across EMEA.

  • Eli Lilly and Company (Full-time · 3 yrs 7 mos)
    • Senior Recruiter - Technology & Corporate Functions
      Oct 2025 - May 2026 · 8 mos

      Q1 2026: 24 roles filled | 100% offer acceptance rate | 100% hiring manager NPS satisfaction | 145% to target on time based KPIs Full-cycle recruiting across US market Technology and Corporate Functions - Software Product Management, Customer Innovation Technology, Manufacturing IT, AI, Legal and HR.

    • Senior Talent Sourcer
      Feb 2025 - Oct 2025 · 9 mos

      220% of target 2024 (33 hires) — #1 Talent Sourcer out of 17 | Co-led first ERG LGBT Reverse Mentoring pilot | Won 2× Tech@Lilly Recruitment Reinvention Awards Performance based promotion covering same market and verticals.

    • Talent Sourcer
      Nov 2022 - Feb 2025 · 2 yrs 4 mos

      150% of target (15 hires, 2023) | 90% offer-to-acceptance conversion | 75% diverse hires | Covered all US Technology verticals

  • Talent Acquisition Specialist - Sales & Technology at Morgan McKinley
    Oct 2021 - Nov 2022 · 1 yr 2 mos

    Embedded RPO recruiter supporting Deliveroo (EMEA multilingual sales development and GTM roles), Huawei (R&D Tech), Bank of Ireland (Finance), Kaseya (Tech) & X3T (C-Suite Startup). 6-figure billing in first active quarter managing multiple clients; 50+ hires.

  • Marketing And Business Development Representative Intern at Sepam
    Apr 2021 - Sep 2021 · 6 mos

    Supported Engineering, Procurement and Construction marketing and BD functions collaborating with divisions in China, India & Qatar.