Security Operations & Compliance Lead

Callstack.io; Wrocław; On-site; PLN 223,000 - 335,000; Full time

Benefits offered by this job

Fully covered life insurance

Private healthcare for you and family

Mental health platform access

Multisport Card or sports allowance

Wellbeing & Development Budget

Monthly lunch allowance

Cool office in Wrocław city center

Team events and activities

Company-wide workations and team-build

Top-notch Apple hardware

Job summary

Callstack.io in Wrocław, Poland, is seeking an IT Security Officer to own day-to-day security and infrastructure operations. You will safeguard systems, devices, identities and data while enabling employees and refining security processes.

This role blends hands-on cybersecurity, IT infrastructure, incident response, audits, and compliance work with cross-functional collaboration across teams and vendors.

Qualifications

• Experience in IT Security, Cybersecurity, IT Infrastructure, or a similar role
• Good knowledge of macOS, Windows, and Linux
• Hands-on experience with endpoint security, MDM, IAM, MFA, SSO, and access management
• Practical knowledge of network security, VPNs, firewalls, and DNS
• Experience with security monitoring, vulnerability management, and incident response
• Understanding of cloud security and AWS, Azure, or GCP
• Familiarity with ISO 27001, GDPR, ISMS, and risk management
• Knowledge of SPF, DKIM, and DMARC is a plus
• Strong analytical, problem-solving, and communication skills
• Good English and a proactive, ownership-driven mindset

Responsibilities

• Manage and continuously improve IT security policies, procedures, and controls.
• Maintain and develop security tools, including SentinelOne EDR/XDR, SIEM, and Kandji MDM.
• Monitor security alerts, investigate threats, and coordinate incident response and remediation.
• Manage vulnerability management, endpoint security, access controls, MFA, VPN, and network security.
• Oversee backups, disaster recovery, and data protection.
• Support cloud and email security, including SPF, DKIM, and DMARC.
• Coordinate security audits, penetration tests, risk assessments, and ISO 27001/GDPR compliance.
• Maintain ISMS documentation, security KPIs, and compliance records.
• Support vendor security assessments and customer security questionnaires.
• Promote security awareness and continuously identify opportunities to improve and automate security processes.

Job description

Callstack.io in Wrocław, Poland, is seeking an IT Security Officer to own day-to-day security and infrastructure operations. You will safeguard systems, devices, identities and data while enabling employees and refining security processes.

This role blends hands-on cybersecurity, IT infrastructure, incident response, audits, and compliance work with cross-functional collaboration across teams and vendors.