Security Engineer (IT Security)

Gcore; Polska; Hybrid; PLN 170,000 - 210,000; Full time

Benefits offered by this job

Competitive compensation

Flexible working hours

Hybrid or remote options

Work from anywhere in the world for up

Private medical insurance for you and/

Job summary

Gcore, a global provider of infrastructure and software for AI, cloud, network and security, is looking for a Security Engineer to join our Information Security team. You’ll operate security tooling, monitor incidents, and help harden our defenses across endpoints, networks, and services.

You will work with Defender XDR, Entra ID, Intune, and a SIEM, contribute to audits (ISO/IEC 27001, SOC 2, PCI DSS), and drive security awareness through training and phishing simulations.

Qualifications

• Experience in security operations or security engineering.
• Hands-on experience with the Microsoft security stack (Defender XDR, Entra ID, Intune, Exchange Online) and a SIEM.
• Solid understanding of Windows, macOS, and Linux administration.
• Familiarity with ISO/IEC 27001, SOC 2, and other security compliance frameworks.
• Scripting skills for automation (PowerShell, Python, or Bash).
• Ability to explain security topics to non-technical audiences; fluent English.

Responsibilities

• Operate and automate security tooling to protect the company's networks, systems, and applications.
• Monitor and triage security events, investigate incidents, and propose preventive measures.
• Handle user-reported phishing and maintain email protection controls.
• Plan and implement security requirements for operating systems, networks, and services.
• Manage device security and perform periodic access reviews; control group/permission cleanup.
• Run the company-wide security awareness program with training materials and phishing simulations.
• Support audits (ISO/IEC 27001, SOC 2, PCI DSS) including evidence collection and remediation.
• Review security for third-party software, SaaS, and AI tools with Legal.

Skills

Security operations

Microsoft Defender XDR

Entra ID

Intune

SIEM

Networking

Windows

macOS

Linux

ISO/IEC 27001

SOC 2

PowerShell

Python

Bash

Fluent English

Tools

Vanta

Job description

The world’s digital experiences run on something invisible: the infrastructure and software that keep them fast, reliable, and secure. At Gcore, you’ll help design and deliver that foundation for an AI-driven world.

We’re a global provider of infrastructure and software solutions for AI, cloud, network, and security, powering everything from real-time communication and streaming to enterprise AI and secure web applications. With 210+ edge locations, 50+ cloud regions, and thousands of GPUs, your work here can reach users and businesses across the globe.

You’ll collaborate with leading technology partners such as Intel, NVIDIA, Dell, and Equinix, and work on platforms that power digital products used around the world. Our vision is simple: to connect the world to AI, anywhere, anytime.

Want to work on technology that goes beyond a single product or industry? Join a global team of 550+ professionals building infrastructure and software that supports the entire digital ecosystem.

We are currently looking for a Security Engineer to join our Information Security team.

Job Description

What You’ll Do

Security Operations and Incident Response

• Operate and automate security tooling (Microsoft Defender XDR, Entra ID, Wazuh SIEM) to protect the company's network, systems, and applications.
• Monitor and triage security events, investigate incidents, and propose measures to prevent recurrence; prepare incident reports.
• Handle user-reported phishing and maintain email protection controls.
• Plan and implement network security measures and define security requirements for operating systems, networks, and services.

Endpoint and Access Security

• Manage device security and compliance through MDM (Intune, Kandji) and track remediation of endpoint vulnerabilities.
• Ensure access is granted based on business need; run periodic access reviews and cleanup of groups and permissions.

Security Awareness

• Run the company-wide security awareness program: training materials on current threats, phishing simulations with results reports, and security communications to employees.

Governance and Compliance

• Control compliance with corporate security standards and maintain related policies and procedures.
• Support internal and external audits (ISO/IEC 27001, SOC 2, BSI C5, PCI DSS), including evidence collection in Vanta and remediation of findings.
• Review the security of new third-party software, SaaS, and AI tools together with Legal.

Qualifications

What We’re Looking For

• Experience in security operations or security engineering.
• Hands-on experience with the Microsoft security stack (Defender XDR, Entra ID, Intune, Exchange Online) and a SIEM.
• Solid understanding of networking and of Windows, macOS, and Linux administration.
• Familiarity with ISO/IEC 27001, SOC 2, and other security compliance frameworks.
• Scripting skills for automation (PowerShell, Python, or Bash).
• Ability to explain security topics to non-technical audiences; fluent English.

Nice to have:

• Experience with Vanta or a similar compliance automation platform.
• Relevant certifications (e.g., Microsoft SC-200, CompTIA Security+ / CySA+) are a strong advantage.

Additional Information

At Gcore, we want you to do your best work and enjoy the journey. Our benefits are designed to support your growth, well-being, and life beyond work:

• Competitive compensation
• Flexible working hours and hybrid or remote options, depending on your role
• Work from anywhere in the world for up to 45 days per year
• Private medical insurance for you and your family*
• Extra paid vacation and sick leave days*
• Support for life’s important moments and celebrations
• Language courses to help you connect and grow
• Modern, welcoming offices with snacks, drinks, and entertainment*
• Team sports and social activities*

*Benefits may vary depending on your location.

Equal Opportunity Employer

We provide equal opportunity to all applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity, gender expression, national origin, disability, or any other legally protected characteristics.