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Security Engineer (m/f/n)

InPost

About InPost

Founded in 1999 by Rafał Brzoska, InPost provides delivery services through a network of over 64,000 Automated Parcel Machines (APMs) and more than 30,000 pick-up and drop-off (PUDO) points across nine European countries : Poland, the United Kingdom, France, Italy, Spain, Portugal, Belgium, the Netherlands and Luxembourg, alongside to-door courier and fulfilment services for ecommerce merchants.

InPost’s extensive OOH network supports rapidly growing parcel volumes across its markets, with 1.4 billion parcels delivered in 2025 .

Its locker solutions offer consumers a delivery option that is cheaper, more flexible and convenient, environmentally friendly and contactless.

As a leading OOH logistics provider, InPost is recognised for transforming parcel delivery economics in Europe, appealing to both consumers and merchants through its flexible, technology-driven solutions.

Responsibilities

  • Work on the security assessment and secure design review of AI, LLM and agentic systems across InPost's technology estate.
  • Identify, reproduce and reason about real vulnerabilities in AI-powered and agentic systems, and work with engineering teams to fix them at the root cause.
  • Define and build engineered security controls for AI/ML and LLM-related risks.
  • Build security automation and developer-facing tooling that helps product and engineering teams build securely by default.
  • Review new AI solutions and system architectures for security risk, and represent security in AI governance forums and the AI solutions catalogue.
  • Apply hands-on cloud and container security practices across AWS, Azure and GCP to secure the infrastructure AI systems run on.
  • Act as a go-to expert on AI-specific attack classes, keeping InPost's defences ahead of an evolving threat landscape.
  • Translate complex technical and security findings into clear, practical guidance for stakeholders across the business.

Requirements

  • 5+ years of experience in application security or product security.
  • 5+ years of coding experience in one or more general-purpose languages , including shipping and operating production services.
  • 5+ years of experience with security assessments, secure design reviews or threat modelling.
  • Solid understanding of generative AI, LLMs and AI agents , and how they're built and deployed in production.
  • Deep knowledge of AI-specific attack classes and how they apply to real systems.
  • Experience securing agentic, code-execution or LLM-integrated systems.
  • A track record of finding and reasoning about real vulnerabilities in real systems.
  • Experience building engineered security controls, not just flagging issues.
  • Hands-on cloud and container security experience on AWS, Azure or GCP.
  • Strong presentation skills, with the ability to translate complex technical and security topics into clear business terms for a wide range of stakeholders.
  • Good English skills , enabling confident communication in an international environment.

Preferred

  • Background building security automation or developer-facing security tooling.
  • Working knowledge of the OWASP Top 10 for LLM Applications and OWASP Top 10 for Agentic Applications.
  • Working knowledge of MITRE ATLAS.

Why InPost?

  • Opportunity to work in a diverse , international , and cross-functional environment, along with leading experts .
  • InPost has revolutionised e-commerce parcel delivery in Poland and is now one of Europe’s leading out-of-home (OOH) e-commerce enablement platforms.

Benefits

  • You work and learn from a senior leader and their leadership team, expanding your experience and exposure in the e-commerce and logistics industries.
  • InPost is a growing company that offers its people an increasing number of opportunities in several locations in Europe.
  • Fulfilling careers with a range of benefits for people and investing in providing training opportunities for their development.
  • You will feel a part of the InPost community that makes an impact on sustainability, convenient deliveries, and the circular economy every day.
  • Excellent working environment and flexible hours We offer B2B type of contract