Senior IT/OT Specialist (f/m/d)

Location: Mannheim, Baden-Wurttemberg, Germany

Job ID: R0140167

Date Posted: 2026-08-14

Company Name: HITACHI ENERGY GERMANY AG

Profession (Job Category): IT, Telecom & Internet

Job Schedule: Full time

Remote: No

Job Description:

About the Position

Hitachi, Ltd. is seeking a highly experienced Senior IT/OT Specialist to bridge the gap between Information Technology (IT) and Operational Technology (OT) environments. In this role, you will play a critical part in ensuring the secure, reliable, and efficient operation of industrial systems across Hitachi's manufacturing and operational sites. You will drive the integration of IT and OT infrastructures while strengthening cybersecurity, operational resilience, and business continuity.

How You'll Make an Impact

• Design, implement, and maintain secure network architectures and communication frameworks that enable seamless IT/OT integration

• Conduct risk assessments and implement cybersecurity controls for OT environments, including intrusion detection, vulnerability management, and incident response planning

• Partner with both IT and OT stakeholders to develop, enforce, and continuously improve security policies, standards, and best practices

• Troubleshoot complex connectivity issues, system failures, and performance bottlenecks across converged IT/OT environments

• Lead the evaluation, selection, and deployment of innovative technologies that enhance operational efficiency, reliability, and security

• Support IT/OT security incident response activities, including forensic investigations, containment, recovery, and lessons learned

• Create and maintain technical documentation, including network diagrams, system configurations, security procedures, and operational guidelines

• Monitor emerging technologies, cybersecurity trends, and regulatory requirements such as NIST and IEC 62443 to ensure ongoing compliance and continuous improvement

Your background

• A Bachelor's degree in Computer Science, Electrical Engineering, Industrial Automation, or a related technical field. A Master's degree is preferred

• A minimum of 4 years of progressive experience in IT and/or OT environments, including at least 2 years focused on IT/OT convergence and cybersecurity

• Strong expertise in networking technologies and concepts, including TCP/IP, VLANs, firewalls, VPNs, and industrial communication protocols

• Solid knowledge of cybersecurity principles, risk management, and security controls within industrial and operational environments

• Excellent analytical, problem-solving, and communication skills, with the ability to explain complex technical concepts to diverse audiences

• The ability to work independently while collaborating effectively with cross-functional global teams

• Experience with cloud platforms such as AWS or Azure and their integration with OT environments is considered an advantage

More about us

• You will do interesting and enriching work as part of a dynamic, passionate, and collaborative team committed to innovation and continuous improvement

• You will be stretched, encouraged, and supported to grow – we pride ourselves on providing strong learning and development opportunities

• We offer an environment that fosters collaboration, connection, and diversity of thought

• Our culture is one of a kind: come as you are and bring your unique attributes, passion, and drive to the design and management of Pensions & Benefits at Hitachi Energy, contributing to making us ‘the place to be’ and to our purpose of advancing a sustainable energy future for all

• Flexible working, including hybrid/remote working opportunities

• A competitive compensation and benefits package

Accessibility and reasonable accommodation

Qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a general inquiry form on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process.

This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response.

Use of Al and automated tools in recruitment

**As part of our recruitment process, Hitachi Energy uses digital and automated tools, including Al-supported solutions, to assist with activities such as application screening, job matching, and interview scheduling. These tools are designed to support our recruiters and do not replace human decision-making. Candidate data is processed in accordance with applicable data protection and employment laws as well as Hitachi's Global Data Privacy Notice.

Background Screening and Security Checks**

As part of the hiring process, Hitachi Energy conducts pre-employment background checks that may include verification of employment history, education, criminal records, and other relevant information, in accordance with applicable laws.

For certain roles—particularly those involving access to sensitive information, financial responsibilities, client data, regulated environments, or security-sensitive functions—additional or more comprehensive background or security screenings may be required. These may include, but are not limited to, enhanced criminal history checks, credit history reviews (where legally permissible), sanctions screening, or other due diligence measures aligned with the responsibilities of the position.

The scope and depth of any background or security review will be determined based on the nature of the role and business necessity, and will always be conducted in compliance with applicable federal, state, and local laws. Candidates will be notified and, where required, asked to provide consent prior to the initiation of any such checks.