Security Engineer

📍 Warsaw, Poland
PLN 206,400-396,000 per year
MIDDLE SENIOR
✅ Hybrid

Used Tools & Technologies

Not specified

Required Skills & Competences

Security @ 3 Networking @ 3 Reporting @ 3 PKI @ 3

Details

At Nord Security, we’re creating a safer cyber future.

We help people and businesses take back control of their online security, privacy, and data. From VPNs to password managers, threat intelligence to eSIMs for travel—our teams turn complex problems into solutions trusted by millions worldwide.

Life is online. In this role, you’ll help people own it.

Responsibilities

  • Conduct penetration testing on web and backend applications, networking components, and crypto services (white, grey box, or black box).
  • Perform reverse engineering and find bugs during code review of security solutions.
  • Design and create solutions to handle complex security issues from scratch.
  • Develop scripts and security automation tools to enhance penetration testing processes.
  • Collaborate closely with web and backend application developers and other teams to validate, assess, and understand the root cause of vulnerabilities, and work on their mitigation.
  • Share security knowledge internally across the company.

Requirements

  • Proven experience in conducting application security assessments, including planning, testing, and vulnerability reporting.
  • Proficiency using security scanners, static code analyzers, and debuggers.
  • Understanding of networking and cryptographic fundamentals such as TLS, PFS, PKI, and digital certificates.
  • Demonstrated ability to perform manual security code audits.
  • Previous experience with fuzzing, reverse engineering, and exploit development.
  • Experience working with application developers to validate, assess, and mitigate vulnerabilities.
  • Strong knowledge in application and infrastructure testing methodologies.
  • Knowledge in secure architecture design and assessment (manual approach to penetration testing).
  • Bonus: community contributions like public CVEs, bug bounty recognition, open-source tools, blogs, certifications.

Salary Range

  • Gross Salary: 17,200 - 33,000 PLN / Month