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Expert Cyber Security Engineer

Ciklum

Remote

PLN 200,000 - 300,000

Full time

13 days ago

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Job summary

A technology company is seeking an Expert Cyber Security Engineer to join their team full-time in Poland. The role is focused on proactive design and hands-on security validation, involving leading security design reviews and conducting threat modeling. Candidates should have over 7 years of experience in security, strong programming skills in Python, and a background in penetration testing. The company offers a supportive community, tailored learning opportunities, and flexibility with remote working options.

Benefits

Company-paid medical insurance
Mental health support
Financial & legal consultations
Internal events and training

Qualifications

  • 7+ years of hands-on long-term projects with a strong background in both offensive and defensive security.
  • Significant experience in penetration testing and deep understanding of an attacker's mindset.
  • Strong programming and scripting skills, especially in Python.

Responsibilities

  • Lead security design reviews and conduct in-depth threat modeling.
  • Investigate emerging threats and design defense strategies.
  • Perform penetration testing and security assessments.

Skills

Penetration Testing
Python
Security Policies / Procedures / Standards
Job description

Ciklum is looking for an Expert Cyber Security Engineer to join our team full-time in Poland.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As anExpert Cyber Security Engineer,become a part of a cross-functional development team engineering experiences of tomorrow. This role blends proactive design with hands‑on security validation in web application development. You will focus on long‑term security improvements by identifying and mitigating risks before they materialize.

Responsibilities:
  • Architect & Threat Model: Lead security design reviews and conduct in‑depth threat modeling for new products and critical infrastructure
  • Research & Build: Investigate emerging threats and novel attack vectors, then use your findings to design and build defense strategies to mitigate them
  • Assess & Penetrate: Perform hands‑on penetration testing and security assessments against our most complex systems to discover and validate vulnerabilities
Requirements:
  • 7+ years of hands‑on long‑term projects with a strong background in both offensive and defensive security
  • Significant, proven experience in penetration testing (web applications preferred) and a deep understanding of an attacker's mindset
  • Strong programming and scripting skills (Python preferred) with experience building security tools, automation, or prototypes
  • Deep technical knowledge in at least one core security domain, such as cryptography, authorization / authentication, secure architecture, network security
  • Very good communication skills (English)
  • Experience securing modern technologies like serverless architectures or AI/ML platforms
  • Experience with secure architectures for cloud‑native environments (AWS, GCP, Kubernetes)
  • Relevant industry certifications (e.g., OSCP, OSCE, CISSP)
What`s in it for you?

Strong community: Work alongside top professionals in a friendly, open‑door environment

Growth focus: Take on large‑scale projects with a global impact and expand your expertise

Tailored learning:Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company‑paid certifications

Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands‑on experience with cutting‑edge technologies

Flexibility: Enjoy flexibility – full remote working possibilities

Care:We’ve got you covered with company‑paid medical insurance, mental health support, and financial & legal consultations

About us:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting‑edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.
With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward‑thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions.
Want to learn more about us? Follow us onInstagram ,Facebook ,LinkedIn .

Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.

Required Skills
  • Penetration Testing
  • Python
  • Security Policies / Procedures / Standards
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