Senior Network OT Engineer (m/f/d)

Infinite Impact

Fluence (Nasdaq: FLNC) is a global market leader delivering intelligent energy storage and optimization software for renewables and storage. Our solutions and operational services are helping to create a more resilient grid and unlock the full potential of renewable portfolios. With gigawatts of successful implementations across nearly 50 markets, we are transforming the way we power our world for a more sustainable future. For more information, please visit fluenceenergy.com .

Our customers are at the heart of everything we do. We’re committed to delivering exceptional value that exceeds expectations by understanding our customers' needs and adapting swiftly to meet them. Our deep focus on customer satisfaction drives us to continuously improve and innovate.

Your tasks

Job Description:

As a Senior Network IT/OT Engineer , you will play a critical role in the design, integration, and implementation of Fluence's Battery Energy Storage System (BESS) network and cybersecurity architecture across EMEA projects. Acting as the technical lead for IT/OT infrastructure, cybersecurity, and communication systems, you will ensure seamless integration between Fluence control systems and customer/Transmission System Operator (TSO) SCADA environments.

You will collaborate closely with project teams, customers, field engineers, and external stakeholders to develop secure, reliable, and scalable network solutions that support the successful delivery and operation of utility-scale energy storage systems. The position requires deep expertise in industrial networking, cybersecurity, SCADA communications, and OT environments, combined with strong problem-solving and leadership skills.

This role offers the opportunity to work at the forefront of the energy transition, supporting innovative energy storage projects while driving best practices in network design, cybersecurity, and operational technology across Fluence's growing portfolio. The position involves regular travel throughout the EMEA region to support project execution, testing, commissioning, and customer engagement activities.

Key Responsibilities

• Leading the Project team on realization of the Project specific requirements with existing functionalities: serve as the Subject Matter Expert regarding Cybersecurity, Network, Architecture and associated devices.
• Lead the integration of the Fluence BESS control system into the Transmission System Operator (TSO) SCADA systems: lead the Network configuration, communication interfaces, cybersecurity requirements, to meet TSO / Customer requirements.
• Develop and maintain documentation of existing Network infrastructure including hardware, protocols, communication links and cybersecurity strategies.
• Lead and guide field engineers to find solutions to problems as they arise during commissioning/testing of a system, in all network-related subjects.
• Involved in central network/cybersecurity for energy storage solutions, including guidance, evaluation and analysis of network/cybersecurity challenges. Ensuring network and communication security vulnerabilities are acknowledged and communicated to affected stakeholders.
• Manage interface to Client and sub-contractor to ensure Networks compliance and lead concept during Tender and Project Execution phase.
• Develop standardized test procedures and execute tests (FAT / SAT) to reduce commissioning time, and perform testing, including involvement in hands on lab testing during evaluations of prototype systems.
• Keep current with all Company products, developments, and projects as they apply to the Network at both site and enterprise levels.
• Maintain strict management of change control procedures and documentation.
• Remain current on industry best practices and updated technology to ensure the company is provided world-class Network and Cybersecurity practices.
• Support company strategy and provide relevant reporting and updates to Company leadership as needed.
• Develop and recommend performance management and feedback to current Control System technical support KPI’s.
• Executing tasks related to Fluence’ safety KPIs

Travel throughout EMEA

Required Qualifications & Experience

• Bachelor’s / Master’s degree in computer engineering, information technology, computer science (or equivalent)
• Minimum 5 years of relevant experience in OT / Networking with a power utility or related industry and direct experience in the electricity transmission/distribution sector with EMS/SCADA systems.
• Expert of OSI layer models and experience in deploying network configurations.
• Expert in remote access VPN, site-to-site VPN, Routers, Firewalls, Switches (Cisco + industrial equipment), SD-WAN, Meraki.
• Experience in Linux based systems and commands, High-level programming languages such as Python and shell/bash scripting as well as with Github.
• Knowledge about AWS, Openstack, Docker.
• Expert on the design, operation and maintenance of high voltage electrical equipment including but not limited to inverters, transformers, I/O racks, telecommunications, and controllers.
• Solution-orientated mindset
• Good communication skills
• Fluency in English
• German / other language skills beneficial

Our Culture

At Fluence, our culture is the foundation that drives our ambitious growth strategy and fuels our mission to transform the future of energy. Our core cultural pillars empower us to innovate, collaborate, and lead with purpose, ensuring we continue to deliver unparalleled value to our customers and the world.

Unleash Voices

We believe every voice matters. We encourage openness, active listening, and decisive action to create a culture where everyone has the opportunity to contribute to our success. We foster an environment where diverse perspectives are heard and valued, driving innovation and progress.

Customer Fluent

We are committed to creating the impossible. We push boundaries to deliver sustainable, game-changing solutions that shape a brighter, more energy-efficient future for all. Our team is passionate about making a lasting impact that will resonate for generations to come.

All In

We are all in for growth. Our teams are relentlessly focused on identifying and seizing opportunities that propel us forward. We embrace an ownership mindset, pushing ourselves and each other to accelerate progress and create lasting success.