Freelance Security Engineer — Cloud, App & Email

Flix; Województwo mazowieckie; On-site; PLN 124,000 - 165,000; Full time

Job summary

Flix is seeking an experienced Security Engineer to join on a freelance B2B basis. You will work across a cross‑functional engineering environment to strengthen security posture, develop automation, and respond to incidents.

Responsibilities include SIEM monitoring, cloud and application security reviews, email security tooling, and proactive runbook improvements. Fluency in English and strong Python/Terraform skills are required.

Qualifications

• Experience in a wide range of security topics such as email security, phishing, endpoint protection, SIEM, WAF, cloud security, application security
• Experience with Cloud Security Posture Management, Threat Detection, Data Protection, Identity and Access Management
• Experience with incident response and service desk ticket response
• Solid programming skills in Python and interest in writing clean, maintainable code for process automation
• Solid Terraform skills and general understanding of software application architecture
• Experience with monitoring or SIEM tools (e.g. Splunk, ElasticSearch, Datadog)
• Fluent in English (written and spoken)

Responsibilities

• Support IT teams to deliver preventive security measures such as SIEM monitoring, application security reviews, cloud security reviews, or set up and configure client security tools related to email security, access management, and asset protection
• Automate incident responses and repetitive security work with Python (SOAR automation) whenever possible to decrease the amount of manual work and free up team capacity
• Collaborate with stakeholders across the organization to solve client security incidents such as account compromise and phishing incidents, DDoS attacks, and sensitive data exposure
• Review and assess security posture at Flix and propose concrete improvements to services, detections and response runbooks

Skills

Email security

Phishing

Endpoint protection

SIEM

WAF

Cloud security

Application security

Incident response

Python programming

Terraform

Data Protection

IAM

Monitoring tools

Tools

Splunk

ElasticSearch

Datadog

Terraform

Job description

Flix is seeking an experienced Security Engineer to join on a freelance B2B basis. You will work across a cross‑functional engineering environment to strengthen security posture, develop automation, and respond to incidents.

Responsibilities include SIEM monitoring, cloud and application security reviews, email security tooling, and proactive runbook improvements. Fluency in English and strong Python/Terraform skills are required.