Engineer III, OT/ICS Cybersecurity & Controls

Job Description:

Engineer III, OT/ICS Cybersecurity & Controls

Location: Heathrow, FL / Hybrid / Remote

About Nextpower

The world's demand for electricity is growing faster than ever. Meeting that demand requires infrastructure that's smarter, more reliable, and built to last. The future of energy is not about one advanced technology – it’s about bringing the right solutions together in a unified platform that can deliver reliable power at scale. As a trusted, bankable partner, Nextpower provides integrated technology solutions for utility-scale solar, energy storage, and critical power infrastructure, helping customers design, build, and operate projects with greater speed, reliability, and long-term value. Building on more than a decade of innovation and execution, we're helping power the electrified world. Together, we're powering what's next.

Our Values

Innovation

· We challenge limits to power what’s next.

Integrity

· We do the right thing with honesty and respect.

Accountability

· We own it, we deliver, we rise together.

Collaborative

· We listen, include, and win as a team.

Customer Focus

· We earn trust by partnering to solve what matters most.

Job Summary

The OT/ICS Cybersecurity & Controls Engineer III reports to the Director, EMS Engineering and Delivery and is responsible for securing, hardening, and maintaining the industrial network and control system environments that support Prevalon Energy's insightOS™ Container Management System (CMS) and utility-scale Battery Energy Storage System (BESS) deployments. As a senior individual contributor, this engineer owns the cybersecurity posture of OT networks in the field and in the cloud - designing and maintaining segmented network architectures, configuring and troubleshooting managed switches and firewalls, deploying and tuning SIEM tooling, and administering the Ignition SCADA/HMI platform - while advising on architecture, risk, and strategy across the fleet. The role partners closely with Controls, Software, and IT leadership to ensure BESS sites meet applicable cybersecurity compliance requirements (e.g., NERC CIP, IEC 62443, NIST 800-82) while supporting commissioning, incident response, and ongoing operations across the fleet.

Essential Duties & Responsibilities

Essential duties and responsibilities include, but are not limited to the following:

• Design, configure, and maintain OT network architecture for BESS sites, including managed Layer 2/3 switches, VLAN segmentation, subnetting, and routing between control, SCADA, and enterprise zones.