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Senior Executive Assistant / Personal Assistant (f/m/d)

Aleph Alpha

Aleph Alpha

Administration
Heidelberg, Germany
Posted on Dec 5, 2025

Location

Heidelberg

Employment Type

Full time

Location Type

Hybrid

Department

CEO Office

Who We Are

Aleph Alpha’s mission is to deliver sovereign, human-centric AI to governmental institutions and large enterprises. To that end, we deliver category-defining AI innovation that enables open, accessible, and trustworthy deployment of GenAI in industrial applications. Our organization develops foundational models and next-generation methods that make it easy and affordable for Aleph Alpha’s customers to increase productivity in development, engineering, logistics, and manufacturing processes.

The Role

We are seeking an exceptionally proactive, discreet, and highly organized Executive Personal Assistant to provide seamless and comprehensive support to one of our Co-CEOs. This is a crucial role for a self-starter who excels in a fast-paced environment and requires minimal guidance or input. The ideal candidate will have significant experience supporting high-level founders and executives managing both complex professional and personal affairs with impeccable execution. This is a unique opportunity to work closely with leadership at a high-growth startup and make a meaningful impact on our company’s success.

This role works within a small, highly collaborative support team to ensure operational excellence for the Co-CEO.

Your responsibilities

  • Strategic and proactive calendar management to anticipate conflicts, prioritize commitments, and ensure the Co-CEO is always prepared and on schedule

  • Coordinate domestic/international travel (commercial/private), including itineraries, visas, lodging, and transportation

  • Prepare meeting materials, presentations, and pre-reads, attend key meetings, document action items, and track progress across multiple workstreams

  • Manage communications (email, calls, texts), draft responses, prioritize urgent matters, and ensure timely and professional correspondence

  • Manage, reconcile, and submit detailed expense reports

  • Handle personal logistics (appointments, reservations, gifts sourcing, events planning) with discretion and flair

  • Take ownership of tasks and projects from inception to completion with a high degree of independence, and implement solutions proactively

  • Work seamlessly with the Co-CEO’s existing support team to ensure coordinated coverage, information sharing, and a unified approach to executive support

Your profile

  • Advanced knowledge of German and English

  • Executive Assistant Experience: Proven experience as a Personal/Executive Assistant supporting Founders, C-Suite Executives, and/or HNWIs in a demanding, fast-paced environment

  • Proven Self-Starter Mentality: Track record of independently driving tasks, anticipating needs, and delivering results with minimal supervision. Proactively identify potential challenges and resolve issues ahead of time

  • Exceptional Organizational Skills: Meticulous attention to detail, capable of managing multiple complex projects simultaneously while solving problems creatively and independently

  • Strong Communication Skills: Confident in verbal and written communication, with the ability to interface professionally with senior internal/external stakeholders.

  • Adaptability: Excels in fast-paced environments where priorities shift rapidly, maintaining composure and focus under pressure

  • Exceptional Discretion and Confidentiality: Utmost integrity and the ability to handle sensitive professional and personal information with absolute discretion are non-negotiable

  • Tech Proficiency: High proficiency with the Microsoft Office Suite (Outlook, Word, Excel, PowerPoint)

  • Team-Oriented: A supportive and collaborative partner to the broader executive support team

What you can expect from us

  • Become part of an AI revolution!

  • 30 days of paid vacation

  • Access to a variety of fitness & wellness offerings via Wellhub

  • Mental health support through nilo.health

  • Substantially subsidized company pension plan for your future security

  • Subsidized Germany-wide transportation ticket

  • Budget for additional technical equipment

  • Flexible working hours for better work-life balance and hybrid working model

  • Virtual Stock Option Plan

  • JobRad® Bike Lease