Marco Mahrer

Built the entire TA function from scratch — architecting the full stack from ATS and CRM to AI note-takers and self-built MCPs, wired into a unified, mirrored system. Ran a 7-track engineering hiring function at full-team output as a team of one, through multi-channel sourcing and automated screening pipelines. Embedded hiring culture across the organisation — aligning how teams calibrate on signal, evaluate candidates, and close.

• Architected the TA OS from scratch — AI as the operating layer, running a full 7-track engineering hiring function at full-team output as a team of one
• Built a multi-channel talent acquisition engine — outbound sourcing, inbound funnel design, employer brand content across social platforms, and direct event recruiting
• Designed the end-to-end hiring system — automated technical screening pipelines, a structured interview library, two-phase evaluation process, and headcount planning
• Partnered with hiring managers across 7 engineering tracks to build role-specific interview frameworks, align on hiring signal, and maintain calibration at speed

Dual-sided talent advisory practice — partnering with international tech companies on TA strategy, ATS architecture, employer branding, and fractional recruiting, while coaching candidates on positioning, CVs, and applications.

• Dual-sided talent advisory — partnering with international tech companies on TA strategy, ATS architecture, employer branding, and fractional recruiting, while coaching candidates on positioning, CVs, and applications
• TA strategy advisory and fractional recruiting for high-growth tech companies
• Candidate coaching: resume design, positioning, and application strategy
• ATS/CRM system architecture consulting
• EVP creation and employer branding support

Owned R&D Engineering hiring end-to-end at one of Europe's leading Blockchain/Web3 organisations — contributed to 100 hires in 2022 across Zurich and San Francisco, covering the full spectrum from C-suite to contractors and interns in one of the most specialised and competitive talent markets in tech.

• Owned R&D Engineering hiring end-to-end in one of the most competitive and specialised talent markets in tech — contributed to 100 hires in 2022, the organisation's highest-output hiring year, across Zurich and San Francisco
• Hired across the full spectrum of a Web3 organisation — R&D Engineering, Research, Operations, and Leadership, from C-suite to contractors and interns
• Built and managed targeted outreach campaigns to source specialised Blockchain/Web3 engineering talent in a globally competitive, niche candidate market
• Partnered with hiring managers to design role-specific interview frameworks and calibration sessions across R&D and technical functions
• Configured and administered Greenhouse ATS; built and managed pipeline workflows and candidate engagement sequences in GEM CRM
• Developed and implemented diversity and inclusion hiring strategies
• Fostered relationships with universities and research institutions for R&D talent pipeline

Grew Zurich Engineering from 30 to 75 as the sole horizontal tech recruiter across Engineering, Data, SRE/DevOps, Product and Design — while rearchitecting the hiring infrastructure for scale and reporting directly to the CTO and CPO.

• Grew Zurich Engineering from 30 to 75 as the sole horizontal tech recruiter — hired across Engineering, Data, SRE/DevOps, Product, and Design
• Hired across the full tech organisation: Engineering Managers, Software Engineers (Backend, Frontend, Full-Stack, Android, iOS), Data Engineers, Data Analysts, Data Scientists, SRE/DevOps/Security, Product Managers, and Designers
• Owned end-to-end recruitment from sourcing to offer close
• Partnered with hiring managers to build effective sourcing, assessment, and closing solutions
• Built the hiring infrastructure from the ground up: calendar automation, interview library, email template system, reporting dashboard, and full process redesign
• Provided hiring metrics and forecasts directly to CTO and CPO
• Interim Lead
• Managed a team of 4; aligned processes and onboarded Recruiters, Sourcers, and Coordinators during the pandemic

Grew the organisation from 140 to 250, eliminated CHF 180k in agency spend, rebuilt the ATS from scratch, and led a team of 7 across all people functions — all within a three-year span across two roles.

• People & Places Team Lead
• Led a team of 7 (Office Managers, HR Generalists, Recruiters) covering all people functions for a 250-person org; reported to CFO and co-developed employee headcount financials
• Led time-reporting implementation project and supported monthly payroll adjustments
• Managed on/offboardings, wrote reference letters, and coordinated performance reviews
• Senior Recruiter
• Grew organisation from 140 to 250 in one year; led 2 recruiters across Zurich and New York; eliminated external agency fees (CHF 180k → zero) within 12 months
• Rebuilt ATS from scratch (Jazz → Lever, 50k candidates); digitised offer and approval processes across all entities
• Maintained and developed company-wide Staff Headcount Tracker
• Redesigned careers page; trained screeners and managers on in-house recruiting best practices
• Hired and coached a Junior Recruiter in the New York office

Full lifecycle tech recruiting across Europe — hiring Software Engineers and TPMs in Zurich and Munich, managing YouTube headcount, and collaborating with global recruiting teams.

• Managed headcount for YouTube; hired Software Engineers and Technical Program Managers across Europe (Zurich, Munich)
• Led full lifecycle: sourcing, screening, reference checks, offer negotiation, and close
• Collaborated with global recruiting teams to share best practices

Full lifecycle IT contractor recruitment across banking, pharma, telecom, and startups in Switzerland and Europe — sourcing, negotiating, and managing long-term client and candidate relationships.

• Led full lifecycle IT contractor recruitment across banking, insurance, pharma, telecom, government, and startup sectors in Switzerland and Europe
• Sourced, closed, and managed negotiations per Swiss labour law
• Managed online client distribution portals (Fieldglass, Beeline, Newtron, PBroker)
• Advised candidates on relocation to Switzerland

COMINT (Communications Intelligence), EKF (Electronic Warfare Division).

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