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Testronic

Senior Information Security Engineer

Testronic
Poland · Full-time · Mid-Senior

We are looking for a hands-on Senior Information Security Engineer to take ownership of our day-to-day security operations.

This is a key individual contributor role within a growing InfoSec function. You will work closely with our external SOC partner, internal IT teams, and clients to ensure effective monitoring, incident response, and vulnerability management.

KEY RESPONSIBILITIES

  • Security event monitoring & incident response: Oversee SIEM monitoring in collaboration with an external SOC provider, review and investigate alerts, coordinate incident response, and act as a point of contact for clients during security incidents.
  • Vulnerability management: Review and prioritize vulnerabilities identified through tools such as Tenable, support remediation with IT teams, and coordinate penetration testing activities, ensuring timely follow-up and resolution of identified issues.
  • Security operations development: Support the development and continuous improvement of security operations processes within a growing InfoSec function.
  • Risk & compliance support: Perform internal risk assessments and support ISO 27001 and GDPR-related processes, audits, and documentation.
  • Security advisory & awareness: Support IT teams in security investigations, provide technical security expertise, and contribute to security awareness initiatives across the organization.
  • Client & external engagement: Support client-facing security activities and participate in external assessments, audits, and investigations when required.
  • Reporting & metrics: Prepare operational and management reports, track KPIs, and monitor security performance.
  • Threat awareness: Stay up to date with emerging threats and industry trends to continuously improve the organization's security posture

Requirements

Core experience

  • Strong hands-on experience in Security Operations, including incident response, SIEM monitoring, and vulnerability management.
  • Experience working with SIEM tools and external SOC providers, including alert investigation and incident handling
  • Practical experience with vulnerability management tools (e.g. Tenable) and remediation processes.
  • Experience coordinating or supporting penetration testing and remediation activities.
  • Experience working in environments with high security and client requirements.
  • Good understanding of modern cyber threats, attack vectors, and data exfiltration risks.
  • Ability to work independently, take ownership, and operate effectively in a changing environment.
Security & compliance exposure

  • Working knowledge of ISO 27001 processes and security controls.
  • Experience supporting security audits, documentation, and compliance activities.
  • Familiarity with GDPR and data protection requirements.
Education & certifications

  • Relevant certifications (e.g. CISSP, CISM, CEH or similar) are expected.
  • Experience with ISO 27001 (Lead Auditor or similar) is a plus.
  • Degree in Cybersecurity, IT, or a related field is preferred

Benefits

  • Full-time contract.
  • Hybrid type of work.
  • Medical healthcare and Multisport card.
  • Opportunity to shape and improve security operations in a growing global environment.
  • High level of ownership and autonomy.
  • Friendly and open-minded teams

Key Skills

Ranked by relevance

incident response siem penetration testing gdpr security audits cybersecurity cissp cism ceh
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Posted
Mar 30, 2026
Type
Full-time
Level
Mid-Senior
Location
Warsaw
Company
Testronic

Industries

IT Services IT Consulting

Categories

Information Technology

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