Product Security Architect- Operational Technology (OT)

Villari; Bengaluru; On-site; INR 4,000,000 - 7,000,000; Full time

Job summary

Fluence GIC in Bangalore, India is seeking a Product Security Architect - Operational Technology (BESS) to lead secure OT designs for battery energy storage systems. The role requires deep expertise in cyber-physical security, OT architectures, and regulatory compliance for critical infrastructure, reporting to the Director of Product Security.

You will drive threat modeling, security-by-design practices, and reference architectures across OT, SCADA, EMS, and cloud-connected platforms,

Qualifications

• Bachelor's degree in Computer Science or equivalent.
• 8+ years of cybersecurity or security architecture experience.
• 5+ years with utility-scale energy or critical infrastructure.
• Experience applying IEC 62443 secure-by-design principles.
• Experience with NERC CIP, NIS2, EU CRA, SOCI/CIRMP or similar.
• Zero Trust across IT/OT environments.
• Preferred certifications: ISA/IEC 62443, GIAC GRID, GIAC GICSP or CISSP.

Responsibilities

• Execute OT security architecture strategy within Product Security and BESS direction.
• Lead OT threat modeling, design reviews, and security assessments for products and deployments.
• Apply secure-by-design practices across the product lifecycle.
• Develop security reference architectures for OT, SCADA, EMS, and cloud-connected systems.

Skills

Threat Modeling

Security Architecture

Zero Trust

OT/ICS Security

Converged IT/OT

Education

Bachelor's degree in CS

Master's degree in CS

Tools

ISA/IEC 62443

GIAC GICSP

CISSP

Job description

Product Security Architect - Operational Technology (BESS)

Location

Fluence GIC - Bangalore, India

Reporting to: Director, Product Security

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.

Role Overview

The Product Security Architect - Operational Technology (Battery Energy Storage Systems) is responsible for integrating security into operational technology components within BESS infrastructure. The role develops, applies, and improves security architectures and standards for BESS OT systems within Fluence's established product security and technology direction. It serves as a senior subject matter expert and primary consultant on complex OT security matters affecting significant products, projects, and customer deployments.

Key Responsibilities

The successful candidate will strengthen Fluence's secure BESS capabilities by developing scalable OT security solutions that address cyber-physical, supply chain, and advanced threat scenarios. This position requires strong expertise in cyber-physical systems security, utility-scale energy environments, grid-connected architectures, and regulatory compliance frameworks relevant to critical infrastructure operators.

Core Operations

• Execute and influence OT security architecture strategy within established Product Security and BESS technology direction.
• Lead complex OT-specific threat modeling, design reviews, and security architecture assessments for products, projects, and customer deployments.
• Apply and improve security-by-design practices throughout the product lifecycle.
• Develop, apply, and improve security reference architectures and standards for OT, IC S, SCADA, Energy Management Systems (EMS), cloud-connected systems, and remote access platforms.

Cross-Functional Collaboration

• Collaborate with cross-functional teams to define and implement security architecture requirements for BESS OT systems.
• Serve as a senior subject matter expert and primary security consultant for complex critical infrastructure and utility deployment matters.
• Mentor engineers and security practitioners and contribute reusable architecture guidance, patterns, and lessons learned.

Security Advocacy

• Guide the implementation of secure remote access, Zero Trust, identity architecture, PAM, SBOM, vulnerability disclosure, and resilience capabilities for BESS solutions
• Provide expert technical support to customers, auditors, and regulators on BESS cybersecurity architecture, controls, and assurance activities
• Make security architecture decisions and recommendations that materially affect assigned products, projects, and customer deployments.

Required Qualifications

• Bachelor's degree in Computer Science, or equivalent practical experience.
• Minimum 8+ years of cybersecurity, security architecture, or critical infrastructure security experience.
• Minimum 5+ years of experience supporting utility-scale energy systems, industrial environments, or comparable critical infrastructure.
• Experience applying IEC 62443 secure-by-design principles to product or solution architectures.
• Experience supporting compliance and assurance activities involving NERC CIP, NIS2, EU CRA, SOCI/CIRMP, or similar frameworks.
• Experience applying Zero Trust principles across converged IT/OT environments.
• Preferred certifications include ISA/IEC 62443, GIAC GRID, GIAC GICSP, CISSP, or a recognized security architecture certification.

Preferred Qualifications

• Master's degree in Computer Science
• Experience assessing cyber-physical, supply chain, and advanced threat risks and translating them into practical architecture requirements.
• Advanced capabilities in power systems, SCADA security, industrial networking, and grid modernization.

Key Competencies

• Threat Modeling (STRIDE/DREAD) and Security Architecture Reviews (OWASP based)
• Consequence Planning for cyber safety in OT environments.
• Working knowledge of Software Assurance Maturity Models
• Technical knowledge on OT environments (SCADA / Edge Devices)
• Prioritize security features into upcoming product releases for hardware and software (support patent development)

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.