Security Engineer (m/f/d) (Freelance/Service Agreement)

Félix; Warszawa; On-site; PLN 120,000 - 180,000; Full time

Job summary

Flix is seeking an experienced Security Engineer to support a project-based service agreement. The consultant will specialize in client-side security, incident response automation, and security tooling to strengthen Flix's security posture.

The role involves collaborating with security, infrastructure, and software engineers, as well as business stakeholders to reduce manual security operations and improve protections across the technology environment.

Qualifications

• Proven experience with client security applications (email security, phishing mitigation).
• Hands-on incident response experience and service desk ticket handling.
• Strong Python skills focused on automation code.

Responsibilities

• Set up and configure client security tools (email security, access management, asset protection) with internal security team.
• Automate incident response workflows using Python to reduce manual effort.
• Support incident response for client-side security events in collaboration with stakeholders.
• Review existing security measures and provide concrete recommendations for detections and runbooks.

Skills

Python automation

Incident response

Client security

Endpoint protection

Security tooling

Tools

Splunk

ElasticSearch

Datadog

Job description

We are looking for an experienced Security Engineer (m/f/d) to support Flix on a project basis through a service agreement collaboration. The consultant will provide expertise in client-side security, incident response automation, and security tooling across Flix's technology environment. The collaboration will involve working with security engineers, infrastructure and software engineers, and business stakeholders to improve Flix's overall security posture and reduce manual security operations.

Scope of Services

• Set up and configure client security tools related to email security, access management, and asset protection in collaboration with the internal security team
• Automate incident response processes and repetitive security workflows using Python — including phishing triage, secret rotation, and M365/Graph automation — to reduce manual effort and increase team capacity
• Support incident response activities related to client-side security events such as account compromise and phishing incidents, collaborating with stakeholders across the organisation
• Review and assess existing security measures and contribute concrete recommendations for improving detections, response runbooks, and overall security services at Flix

About You

• Proven experience with client security applications, including email security, phishing mitigation, and endpoint protection
• Hands-on experience with incident response and service desk ticket handling
• Solid programming skills in Python with a focus on clean, maintainable automation code
• Experience with monitoring or SIEM tools such as Splunk, ElasticSearch, or Datadog
• Strong collaboration and communication skills when working with both technical and business stakeholders
• Professional proficiency in English (written and spoken)

Collaboration Model

• Cooperation based on a service agreement with independent delivery of agreed services and invoicing