IT/OT Security Engineer
Hitachi, Ltd.4 months ago
Ludvika, SwedenMid Level
Responsibilities
- Implement security controls for IT/OT platforms, including HMI, gateway station, and communication layers.
- Develop reusable security frameworks that support standardized and project-specific solutions.
- Identify threats and apply protective measures to edge, infrastructure, distributed, and industrial environments.
- Document solutions and support testing so project teams can deploy secure, validated components.
- Configure and harden industrial communication protocols using authentication and authorization best practices.
- Build and validate secure baselines, hardened images, firewall rules, and configuration templates for IT/OT components.
Requirements
- Bachelor’s or master’s degree in Computer Science, Electrical Engineering, or a related field, or equivalent professional experience.
- Experience testing code and creating test cases for developed components.
- Knowledge of industrial communication protocols including Modbus, IEC-based protocols, SNMP, TCP/UDP, VLANs, and IPsec.
- Familiarity with SCADA, PLCs, HMIs, gateway devices, and other core OT components.
- Hands-on experience with firewalls, network monitoring tools, vulnerability scanners, packet analyzers, and endpoint hardening utilities.
- Understanding of ISO 27001 and related cybersecurity standards is a plus.
- Strong documentation and communication skills for supporting cross-functional engineering teams.
Benefits
- Collective agreement, flexible working hours, health care and wellness allowance, and supplementary parental-leave compensation.
- Career opportunities within Hitachi Energy in Sweden and globally.
- Mentor support during onboarding and access to training and employee development programs.
- Employee Benefit Portal with thousands of discounts and perks.
- Full-time, on-site role in Ludvika, Sweden; a background check may be required.
Categories
About Hitachi, Ltd.
Hitachi, Ltd. builds industrial, energy, rail, and digital systems for governments and enterprises, combining operational technology with IT, cloud, and data infrastructure services. Its portfolio spans power grids, factory automation, data centers, rail systems, and consulting delivered through units such as Hitachi Vantara, Hitachi Rail, and Hitachi Energy. Founded in 1910 and headquartered in Tokyo, it is listed on the Tokyo Stock Exchange and operates globally across critical infrastructure markets.