Network and Cyber-Security Administrator

Apply for Network and Cyber-Security Administrator at Siemens in İzmit, T41, TR. This full‑time on‑site position offers great opportunities for career growth.

Siemens Smart Infrastructure  – Grid Software; SI GSW focuses on development and execution of software solutions for Energy Automation Smart Grid products. As part of Siemens Grid Software Turkey, Grid Control Engineering group is focused on software solution and implementation of Grid Control segment products. To accomplish the mission of the group, the candidate will perform as a Network and Cyber‑Security Administrator for projects in the Grid Software area.

• Design secure industrial network architectures in line with cybersecurity standards (e.g., IEC 62443, NIST, NIS2, EPDK Cyber Security Competency Modal).
• Perform, develop, implement, and maintain system security administration on designated technology platforms, including operating systems, applications, and network security devices, in accordance with defined policies, standards, and procedures.
• Proficiency in security architectures, cybersecurity skills and knowledge of risk assessment techniques.
• Define, implement, and maintain OT‑specific cyber‑security solutions.
• Prepare technical documents, specifications, and reports.
• Conduct site visits, deliver cyber‑security training, and provide expert consultation to stakeholders.
• Lead and support cyber‑security projects through all phases, including FAT, SAT, and commissioning.

• Bachelor’s or Master’s degree in Computer Engineering, Electrical‑Electronics Engineering, or similar fields.
• Minimum 5 years of proven experience as a Network and Cyber‑Security professional.
• Strong knowledge of complex IT systems and networks, software, hardware, and networking protocols.
• Strong knowledge of endpoint security, application control, and device control solutions.
• Strong knowledge of networking (switch, firewall, router configuration), systems integration, applications and operating‑system hardening & cyber‑security.
• Strong knowledge of network monitoring system administration, installation & configuration.
• Experience with Linux, Unix and Windows operating systems and platforms in an enterprise environment.
• Experience designing, deploying and implementing core router/switch/firewall & security and data‑center networks in accordance with industry best practices.
• Experience with routing protocols and WAN technologies including MPLS, DMVPN.
• Hands‑on experience with vulnerability analysis and penetration testing tools.
• Knowledge of IEC
  62443, NIS2, CRA, EPDK Cyber Security Maturity Modal and related standards.
• Relevant certifications (CCNA, NSE4, CISA, CompTIA Security+, CISSP, etc.) are a plus.
• Excellent problem‑solving aptitude and analytical skills.
• Strong communication skills and ability to work with multidisciplinary teams.
• Self‑motivated, able to work independently and eager to take initiatives.
• Professional working proficiency in English is required;
  German is a plus.

No restrictions for traveling.

Job Type: LI‑HYBRID

Individual benefits are adapted to meet local legal regulations, the requirements of different job profiles, locations, and individual preferences.

We welcome applications from candidates with physical barriers and chronic illnesses and support healthy relationships between such candidates and their colleagues. Siemens is dedicated to quality, equality, and valuating diversity and welcomes applications that reflect the diversity of the communities within which we work.

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