Mid - Senior Security Engineer

Vilnius or Kaunas


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The Infrastructure department is responsible for influencing and tracking change, providing frontline support, and delivering software-defined solutions.

Main Responsibilities

  • Secure backend applications, networking components, and crypto services. White, grey box or black box – you name it!
  • Show your reverse engineering skills in finding bugs in cutting-edge security solutions;
  • Design and create solutions to complex security issues from scratch;
  • Develop scripts, security automation tools to enhance penetration testing processes;
  • Closely collaborate with backend application developers and other tech geeks to validate, assess, understand the root cause and mitigate vulnerabilities;
  • Spread your security knowledge with hundreds of your colleagues!

Core Requirements

  • Proven experience in application security assessment planning, testing, and vulnerability reporting;
  • Proficiency using security scanners, static code analyzers, and debuggers;
  • Networking knowledge, SSL/TLS knowledge, ability to explain what ciphers, PFS, keys, PKI, certificates are and what they do;
  • Demonstrated ability to perform manual security code audit;
  • Previous experience with fuzzing, reverse engineering, and exploit development;
  • Experience working with application developers to validate, assess, understand the root cause and mitigate vulnerabilities;
  • Strong knowledge in application and infrastructure testing methodologies;
  • Knowledge in architecture design and assessment (manual approach to penetration testing);
  • Bonus points for community contributions like public CVEs, bug bounty recognition, open-source tools, blogs, etc.

Salary Range

  • Gross Salary 3150 - 5960 EUR/Month.

Data Handling

Kindly refer to our Privacy Notice for Recruitment Candidates for comprehensive information regarding our data handling procedures throughout recruitment processes.

After you apply

Our recruitment process differs depending on specific positions and/or hiring teams. However, it tends to include the following three main stages and usually doesn’t exceed any more than five steps.

Step 1.

Get to know

The goal of the first step is to get to know each other better. So during that, we talk more about the role and ask you to share your story.

Step 2.

Technical evaluation

We test each applicant's technical knowledge and problem-solving ability through various assessments.

Step 3.

Meet the team

The final step is for you to meet the team, discuss your task, and dig deeper into the role you’re applying for. If everyone’s happy with the result, the closing step will be the offer.

We Offer

Apply now


Nord Security is committed to building an inclusive workplace with a diversity of backgrounds. We welcome applications from people of all ages, gender identities, sexual orientations, racial identities, ethnicities, religious beliefs, and disability statuses. To reduce the chance of unconscious bias, you may submit your CV without a photograph or other redundant information like age or marital status.

By filling in this form you confirm that you have read and understood the Privacy Notice for Recruitment Candidates.

Nord Security is a world-leading cybersecurity solutions provider. We aim to shape a more trusted and peaceful online future for people everywhere. To achieve this goal, we’ve built a like-minded community of over 1000 cybersecurity and tech experts driven by Nord values. And we’re always looking to expand our team of: