Sr Network Engineer

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.

Job Description:

The Senior Network Engineer is responsible for designing, implementing, maintaining, and troubleshooting secure and reliable network infrastructure for utility-scale Battery Energy Storage Systems (BESS) and Operational Technology (OT) environments.

This role focuses on network architecture, industrial networking, firewall configuration, network segmentation, and connectivity across Fluence Energy Storage products. The engineer will collaborate with cross-functional engineering, cybersecurity, deployment, and product development teams to ensure network reliability, scalability, security, and compliance with industry standards.

• Design, configure, and maintain network infrastructure supporting utility-scale BESS and OT environments.
• Develop and implement network architectures involving routers, switches, firewalls, VLANs, VPNs, and industrial communication networks.
• Configure and troubleshoot Cisco, Palo Alto, and other enterprise networking technologies.
• Implement network segmentation, firewall policies, access control lists (ACLs), and secure remote connectivity.
• Support network integration between industrial controllers, SCADA systems, RTACs, gateways, and Fluence software platforms.
• Troubleshoot complex network issues involving routing, switching, DNS, DHCP, NTP, TCP/IP, and communication protocols.
• Support industrial communication protocols, including Modbus TCP, OPC UA, MQTT, and BACnet.
• Collaborate with cybersecurity teams to implement network security controls aligned with IEC 62443 and OT cybersecurity best practices.
• Develop and maintain network architecture diagrams, configuration standards, deployment procedures, and technical documentation.
• Support network testing, validation, commissioning, and troubleshooting across development, laboratory, and customer environments.
• Participate in network automation initiatives using Ansible, Python, or similar technologies.
• Work with cross-functional teams to identify network risks, improve reliability, and standardize network configurations across Fluence products.

• Bachelor’s degree in Computer Science, Information Technology, Electrical Engineering, or a related technical field.
• 5–8+ years of hands-on experience in network engineering, infrastructure, or industrial networking.
• Strong knowledge of TCP/IP, routing, switching, VLANs, VPNs, NAT, DNS, DHCP, and NTP.
• Hands-on experience configuring and troubleshooting Cisco switches, routers, and Palo Alto firewalls.
• Experience with network segmentation, firewall policies, and secure remote access solutions.
• Strong troubleshooting skills using tools such as Wireshark, tcpdump, traceroute, and other network diagnostic utilities.
• Working knowledge of Linux networking, particularly Ubuntu-based environments.
• Experience developing network diagrams, technical documentation, and configuration standards.
• Strong analytical, problem-solving, and communication skills.
• Ability to collaborate effectively with geographically distributed engineering and product development teams.

• Experience working in Operational Technology (OT), Industrial Control Systems (ICS), energy storage, renewable energy, or power generation environments.
• Knowledge of industrial protocols such as Modbus TCP, OPC UA, MQTT, and BACnet.
• Familiarity with IEC 62443, NERC CIP, and industrial cybersecurity practices.
• Experience with network automation using Ansible, Python, or infrastructure-as-code tools.
• Knowledge of virtualization technologies, including VMware ESXi and virtual networking.
• Experience with network monitoring tools such as Zabbix, PRTG, or similar platforms.
• Familiarity with high-availability network architectures, redundancy, and industrial network reliability.
• Professional certifications such as CCNP, CCNA, PCNSE, or equivalent.

• Network Architecture and Design
• Routing, Switching, and Firewall Management
• OT/ICS Network Security
• Industrial Communication Protocols
• Linux Networking and Troubleshooting
• Network Automation and Standardization
• Cross-Functional Collaboration
• Technical Documentation and Problem-Solving

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

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.

Infinite Impact

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.

Warning About Fraudulent Job Postings

Please be aware of fraudulent job postings and recruitment-related communications that falsely claim affiliation with Fluence. These scams may be used by cybercriminals to obtain personal information, financial details, or payments from job seekers. Fluence will never request payment, fees, or financial information from candidates at any stage of the recruitment process. All official communications from Fluence recruiters and representatives will originate from a legitimate Fluence email address.