Cyber security engineer

Siemens Energy, Inc.; Östergötlands län; On-site; SEK 600,000 - 800,000; Full time

Job summary

Siemens Energy is seeking a Cyber Security Engineer to join the IT & OT team within the Industrial Control System department. You will ensure cybersecurity requirements are embedded across project lifecycles, review specifications, and advise teams on security measures.

The role focuses on control systems, IT/OT integration, and secure solutions for energy sector customers. You will work with control engineers and IT/OT professionals to implement hardening, network segmentation, and secure

Qualifications

• Strong understanding of cybersecurity fundamentals.
• Experience with Windows Server and domain-joined environments.
• Good networking knowledge including VLANs and segmentation.

Responsibilities

• Act as the cybersecurity engineer within ICC delivery projects, collaborating with control and IT/OT engineers.
• Implement and verify cybersecurity measures: hardening, segmentation, firewall and secure switch configurations, log forwarding.
• Review technical specifications and advise on cybersecurity requirements for delivered solutions.
• Participate in FAT and customer-witnessed FAT, demonstrating cybersecurity implementations.
• Support operation and maintenance of internal IT/OT environments and related infrastructure.

Skills

Cybersecurity fundamentals

Windows Server/Client

Networking

Communication skills

Education

Bachelor’s or Master’s degree in computer science, engineering, cybersecurity

Tools

SIEM

Endpoint protection

Firewalls

Log forwarding

Job description

Trade Union Representatives: Unionen, [e-mail]

A Snapshot of Your Day

Join our IT & OT team within the Industrial Control System department, where you will act as the cybersecurity engineer in global control‑system delivery projects. You will work closely with control system engineers, IT/OT engineers and other engineering disciplines to ensure that cybersecurity requirements are considered throughout the project lifecycle. Imagine collaborating with colleagues and customers in the energy and oil & gas sectors, making sure every solution meets strict cybersecurity standards and unique customer needs. You will review technical specifications, drawings and proposed solutions, advise project teams on cybersecurity requirements, and ensure that the right security measures and components are included in the delivered system. You’ll dive into a variety of engaging tasks that challenge you and expand your expertise in Industrial IT and OT technologies. Your work will be essential in safeguarding the security and reliability of our control systems, driving innovation and safety across the industry.

How You’ll Make an Impact

• Act as the cybersecurity engineer within ICC delivery projects, working closely with control engineers, IT/OT engineers and other departments.
• Implement and verify cybersecurity measures such as system hardening, network segmentation, firewall configuration, secure switch configuration and log forwarding.
• Work with Windows-based systems, including domain-joined clients and servers, and support secure integration with the surrounding IT/OT environment.
• Participate in Factory Acceptance Tests (FAT) and customer-witnessed FAT, verifying cybersecurity implementations, demonstrating solutions and addressing technical customer questions.
• Contribute to the operation and maintenance of our internal IT/OT environment, including network switches, servers and virtualized environments.

What You Bring

• A Bachelor’s or Master’s degree in computer science, engineering, cybersecurity, or equivalent experience. Experience from IT, OT, industrial cybersecurity, networking or a related technical field is also highly relevant.
• Good understanding of cybersecurity fundamentals, including system hardening, network segmentation, access control, logging and secure configuration.
• Good understanding of Windows Server and Client environments, including domain-joined systems and basic administration.

• Good understanding of networking, VLANs, firewalls and network segmentation.
• Knowledge of or interest in Industrial Control Systems (ICS), automation and OT environments.
• Experience with configuring network switches, firewalls, Windows environments or virtualization platforms is an advantage.
• Experience with security technologies such as SIEM, endpoint protection, firewalls and log forwarding is an advantage.
• A solution-oriented mindset with a proactive approach to challenges.
• Strong communication skills and the ability to explain cybersecurity topics to engineers, project teams and customers.
• You are comfortable working in a multidisciplinary engineering environment and taking ownership of cybersecurity topics within a project.

About The Team

Step into a dedicated systems engineering team of 15 passionate system engineers, each bringing unique expertise and background in IT & OT, cyber security, and control systems. You will work as part of a multidisciplinary environment where cybersecurity, control engineering and IT/OT engineering work closely together. Control engineers focus on the automation and control aspects, while IT/OT engineers support the underlying infrastructure. As the Cyber Security Engineer, you will bring the cybersecurity perspective and ensure that security requirements are translated into practical and verified solutions. We thrive on collaboration, challenge, and continuous learning, driving development forward together. Travel is not mandatory, but the role offers opportunities to visit customer sites and project locations. Site activities typically support installation, integration, testing and verification of the delivered solution.

Who is Siemens Energy?

At Siemens Energy, we are more than just an energy technology company. With 100,000 dedicated employees in more than 90 countries, we develop the energy systems of the future, ensuring that the growing energy demand of the global community is met reliably and sustainably. The technologies created in our research departments and factories drive the energy transition and provide the base for one six th of the world’s electricity generation. Our global team is committed to making sustainable, reliable, and affordable energy a reality by pushing the boundaries of what is possible. We uphold a 150‑year legacy of innovation that encourages our search for people who will support our focus on decarbonisation, new technologies, and energy transformation. Find out how you can make a difference at Siemens Energy: https://www.siemens-energy.com/employeevideo

Our Commitment to Diversity

Lucky for us, we are not all the same. Through diversity, we generate power. We run on inclusion and our combined creative energy is fueled by over 130 nationalities. Siemens Energy celebrates character – no matter what ethnic background, gender, age, religion, identity, or disability. We energize society, all of society, and we do not discriminate based on our differences.

Location: Finspång

Trade Union Representatives

Unionen, [e-mail]

Sveriges Ingenjörer & SACO, [e-mail]

Ledarna, Anders Fors, [e-mail]

IF Metall, Mikael Malmgren, [e-mail]