Security Engineer: Threat Modeling & SIEM Detection

Hitachi Automotive Systems Americas, Inc.; Kraków; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Private medical care

Life insurance

Fitness programs

Home office equipment allowance

Spectacles allowance

Company events

Psychological support

Free parking

Job summary

Hitachi Energy Services SP. Z O.O. in Krakow is seeking a Security Engineer specializing in Threat Modeling and Detection Engineering. You will design detection capabilities, onboard new data sources, and drive automation to improve SOC effectiveness and efficiency.

Work involves collaborating with cybersecurity and engineering teams to strengthen monitoring, applying MITRE ATT&CK, and advancing detection coverage against evolving threats. This maternity cover role lasts 12 months.

Qualifications

• 2–3 years of experience in detection engineering, security operations, or related cybersecurity engineering roles.

Responsibilities

• Design, develop, and tune detection rules within the SIEM to improve threat visibility and reduce false positives.
• Onboard new log sources by building ingestion pipelines, normalizing data, and ensuring high-quality integration into the SIEM.
• Perform threat modeling of systems and log sources to identify detection requirements and security gaps.
• Build and maintain automation solutions that improve SOC workflows, reporting, and operational efficiency.
• Collaborate with cybersecurity and engineering teams to continuously enhance detection coverage against evolving threats.
• Apply threat intelligence and frameworks such as MITRE ATT&CK to strengthen monitoring and response capabilities.
• Contribute to detection-as-code practices and CI/CD-driven security operations processes.
• Support continuous improvement of security monitoring, alert quality, and overall cyber defense effectiveness.

Skills

detection engineering

security operations

SIEM rule tuning

Python

KQL

SQL

log ingestion pipelines

threat modeling

threat intel frameworks

security automation

Tools

Microsoft Sentinel

Defender Suite

Azure

AWS

Docker

Linux

Job description

Hitachi Energy Services SP. Z O.O. in Krakow is seeking a Security Engineer specializing in Threat Modeling and Detection Engineering. You will design detection capabilities, onboard new data sources, and drive automation to improve SOC effectiveness and efficiency.

Work involves collaborating with cybersecurity and engineering teams to strengthen monitoring, applying MITRE ATT&CK, and advancing detection coverage against evolving threats. This maternity cover role lasts 12 months.