Senior Cybersecurity Engineer

About the Role

Merci Technologies is seeking a Senior Cybersecurity Engineer to support a high-impact engagement with one of our enterprise clients in the energy sector. This role is responsible for implementing and advancing cybersecurity engineering practices across software products, operational technology (OT) environments, and supporting infrastructure — contributing directly to the secure design and operation of grid-scale energy storage solutions.

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.

Responsibilities

• 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
• 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) 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

Required Qualifications

• 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
• Must be legally authorized to work in the United States without employer sponsorship

Preferred Qualifications

• Proven experience designing and leading cybersecurity architecture or large-scale security initiatives
• Experience securing industrial control systems (ICS) or operational technology (OT) environments
• Deep understanding of risk-based security practices in complex production environments
• Strong knowledge of NERC CIP standards
• Demonstrated ability to lead cross-functional technical initiatives and influence engineering decisions
• Experience mentoring engineers and providing technical leadership across teams
• Ability to clearly communicate technical concepts and risks to engineering leaders and non-technical stakeholders