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 Cybersecurity Engineer is responsible for implementing and advancing cybersecurity engineering practices across Fluence software products, operational technology (OT) environments, and supporting infrastructure. This role contributes to secure design, implementation, and operation of systems supporting grid-scale energy storage solutions.
The position requires strong hands-on expertise in cybersecurity engineering, OT network security, cloud and infrastructure security, and industry standards. The Senior Cybersecurity Engineer works closely with product, software, networking, and operations teams to integrate security into development and deployment processes while ensuring alignment with business and operational needs.
This role provides technical guidance within the team and supports the execution of cybersecurity initiatives.
Contribute to cybersecurity architecture and support implementation across product, OT, cloud, and network environments
Implement security requirements in product development and deployment processes, ensuring secure-by-design practices
Execute vulnerability management activities, including scanning, analysis, and remediation tracking for Fluence OS
Support risk assessments, threat modeling, and security reviews for product features and deployments
Assist in designing and implementing network segmentation, access control, and monitoring solutions for OT environments
Apply cybersecurity standards (IEC 62443, NIST, NERC CIP, etc.) into engineering practices and configurations
Collaborate with cross-functional teams to integrate security into product and infrastructure workflows
Support evaluation and deployment of security tools, automation, and monitoring solutions
Contribute to documentation, hardening guides, and security baselines
8–12 years of experience in cybersecurity engineering, preferably with exposure to product or OT/industrial environments
Experience implementing cybersecurity controls in network, cloud, or infrastructure environments
Familiarity with OT/ICS environments or industrial networking concepts
Strong understanding of vulnerability management, threat modeling, and security best practices
Hands-on experience with Linux systems and security tooling
Knowledge of cybersecurity frameworks such as IEC 62443, NIST, or CIS
Ability to work cross-functionally with engineering, product, and operations teams
Strong problem-solving and communication skills
Proven experience designing and leading cybersecurity architecture or large-scale security initiatives
Strong expertise in network security, OT security, cloud security, and secure infrastructure design
Experience securing industrial control systems (ICS) or operational technology (OT) environments
Deep understanding of vulnerability management, threat modeling, and risk-based security practices
Hands-on experience with Linux-based systems and security tooling in complex production environments
Strong knowledge of cybersecurity frameworks and standards such as IEC 62443, NIST, CIS, or NERC CIP
Demonstrated ability to lead cross-functional technical initiatives and influence engineering decisions
Excellent communication skills with the ability to explain technical concepts and risks to engineering leaders and non-technical stakeholders
Ability to mentor engineers and provide technical leadership across teams
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.