StepStone

Jobbeschreibung

Operational Security Engineer (m/f/d)

Region: Cologne or Künzelsau (mobile work partly possible)
Department: IT Security (Group IT)

The BERNER Group is a European trading company for professionals in the mobility, construction and industry sectors. We are the leading B2B specialist and innovative manufacturer of chemical products. Our purpose is: "We are pushing the limits of the possible for the shapers of a better tomorrow." This means that our strong brands BERNER, BTI by BERNER and Caramba help our customers to keep their business running successfully.


  • Maintain and continuously develop internal security infrastructure
  • Collaborate with IT to ensure security within daily technical operations
  • Provide advisory of technical architectural changes affecting the IT landscape
  • Ensure network security and firewall management
  • Support IT to develop a zero trust architecture
  • Ensure best practice around Identity Access Management (IAM)

  • Degree in IT Security, Computer Science, Computer Engineering or similar
  • Strong knowledge of networking security, incl. topics such as firewalls, proxies, WAF, IDS
  • Experience in setting up logging and monitoring systems to detect and monitor malicious activity within a hybrid network
  • Good programming skills in developing new scripts to support your work (for example Python, Batch, PowerShell, VBA or similar scripting languages)
  • Knowledge and experience in setting up infrastructure as code (IaC) using technologies such as Terraform or Ansible desirable
  • Fluency in English, both written and spoken
  • Analytical and risk-focused mindset

  • Permanent contract
  • Mobile work partly possible
  • Structured onboarding
  • State-of-the-art workplace
  • Künzelsau: canteen with daily, freshly prepared dishes
  • Cologne: Pluxee meal vouchers (formerly Sodexo)
  • Allowance for transportation costs
  • Bike leasing (JobRad)
  • EGYM Wellpass with more than 5.000 sport and fitness offers
  • Company pension scheme and employee purchase with attractive conditions
  • Many training and development opportunities within our future-oriented company
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