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About the Role

As an OT Network/Security Administrator at BEW Berliner Energie und Wärme GmbH, you will play a crucial role in ensuring the security and efficiency of our OT operational network. This position is key to our ongoing efforts to modernize our infrastructure and contribute to Berlin's climate goals.

Responsibilities

• Responsible for the design, implementation, and operation of all components of an OT operational network, including all associated services, documentation, monitoring, and maintenance for multiple locations in Berlin.
• Contribute to the OT security strategy by developing mechanisms for early threat detection and implementing continuous preventive measures.
• Participate in the continuous optimization of OT/IT systems within the OT operational network to enhance security and efficiency.
• Support IT/OT digitalization projects within the company from a security perspective.

Requirements

• Completed degree in IT or a similar field.
• Experience in integrating and configuring routers, switches, and firewalls, including their design and operation.
• Experience with systems for attack detection (SIEM, IDS, vulnerability scanners), remote access, and data diodes in an OT environment.
• Practical experience with Ethernet/Layer 2/Layer 3 services.
• Proficiency in operating a modern carrier network and common routing protocols (OSPF, EIGRP, BGP, MEF).
• Experience with industrial communication protocols (e.g., PROFINET, Modbus, OPC UA) is advantageous.
• Cross-functional skills or willingness to acquire them for team operation.
• Enjoy developing new solutions and optimizing complex OT landscapes.
• Strong solution-oriented approach.
• Knowledge of KRITIS requirements and standards (IEC 62443, 27001, and 27019) for energy producers.
• German language skills at a minimum C1 level.
• Willingness to work on-site.
• Approximately 70 percent of the requirements are sufficient for application.

Skills

• OT Network Administration
• Network Security
• Router Configuration
• Switch Configuration
• Firewall Configuration
• SIEM
• IDS
• Vulnerability Scanning
• Remote Access
• Data Diodes
• Ethernet
• Layer 2 Services
• Layer 3 Services
• Carrier Network Operation
• Routing Protocols (OSPF, EIGRP, BGP, MEF)
• Industrial Communication Protocols (PROFINET, Modbus, OPC UA)
• KRITIS Requirements
• IEC 62443
• IEC 27001
• IEC 27019

Location

• Berlin

Work Type

• On-site
• Full-time
• Permanent

Experience Level

• Entry-level to Mid-level

Education Level

• Degree in IT or similar field

Salary/Compensations

• 13-month salary for tariff employees and additional compensation components

Benefits

• Flexible work schedule (37-hour week, part-time options, flexible hours, time tracking, mobile work)
• 30 days of vacation
• Days off on December 24th and 31st
• Leave of absence options
• Support for individual development (free training, support for further education)
• Company pension plan
• Public transport ticket (50% employer subsidy) and Jobrad offer
• Employee electricity tariff after 12 months of employment
• Health and wellness programs (Urban Sports Club membership, PME Family Service)

About the Company

• BEW Berliner Energie und Wärme GmbH supplies the capital with climate-friendly electricity and heat.
• Operates the largest district heating network in Western Europe (over 2,000 km).
• Supplies heat to approximately one-third of Berlin households.
• Covers the entire value chain of district heating, from generation to sales.
• Committed to phasing out coal by 2030 and achieving climate-neutral generation by 2045.
• Significantly supports Berlin's climate goals.
• Focuses on increasing the share of renewable energies and waste heat.
• Undertaking significant restructuring of sites and facilities.

Equal Opportunity

• Diversity enhances company performance and attractiveness.
• Applications from individuals of all ages, gender identities, sexual orientations, and ethnic-cultural backgrounds are welcome.
• Severely disabled individuals with equal qualifications are given special consideration.
• A pre-employment screening is part of the recruitment process for security reasons, conducted by a third party (DISA).