[Remote] OT Security Engineer

Note: The job is a remote job and is open to candidates in USA. Adapture Renewables, Inc. is on a mission to be a leader in this new era of sustainable energy. The OT Security Engineer will be responsible for designing, implementing, and maintaining cybersecurity controls across SCADA and industrial control system environments, ensuring compliance with NERC CIP standards and managing vendor security relationships.ResponsibilitiesDesign and implement OT network segmentation between site SCADA, control, and enterprise zones across the operating fleetOwn secure remote access for vendors and ARI staff: jump hosts, MFA, session recording, and just-in-time access patternsDeploy and tune EDR on plant servers and engineering workstations within OT reliability constraintsMaintain hardened baselines and configuration control for site servers, HMIs, RTUs/RTACs, and OT network equipmentRun vulnerability assessment and patch / mitigation cycles for OT assets in coordination with site operationsMaintain and execute the technical controls required under CIP-003 R2 Attachment 1 (cyber security awareness, physical access controls, electronic access controls, incident response, and TCA / removable media controls) across all Low impact BES Cyber SystemsMaintain BES Cyber System asset inventories and categorization evidence (CIP-002)Maintain CIP-013 Low impact supply chain risk management evidence for vendors with electronic accessSupport CIP-008 incident reporting workflows and CIP-011 information protection requirementsParticipate in self-certifications, internal controls testing, and external audits; produce audit-quality artifactsEstablish and enforce security requirements for SCADA, inverter, and BESS OEMs, ISPs, and field service vendors; review remote access requests; approve or deny based on documented policyDrive contractual and technical supply chain controls in partnership with Procurement and Legal, and train vendor personnel on ARI’s OT security expectations and field proceduresIntegrate OT telemetry and security logs into ARI’s centralized monitoring stack and tune detections for ICS protocols and operational patterns (Modbus, DNP3, SEL)Triage and lead response for OT security events; coordinate with site operations, the Compliance team, and the MSSP / enterprise SOCDevelop and run tabletop exercises; maintain CIP-008 playbooks and capture post-incident lessons learnedConduct site visits to operating PV and BESS plants for inventories, validations, and control testingDeliver OT security awareness training for operators, technicians, and vendor partnersContribute to ARI’s broader cybersecurity program, aligned to CIS Controls v8, NIST CSF v2, and the in-progress IEC 62443 and ISO 27001 implementationsSkills3–5+ years in OT / ICS / SCADA security, industrial cybersecurity, or critical infrastructure securityBachelor's degree in Electrical Engineering, Computer Engineering, Cybersecurity, or related discipline, or equivalent demonstrated experienceHands-on experience implementing and evidencing NERC CIP controls, with direct exposure to CIP-002, CIP-003, CIP-008, CIP-011, and CIP-013Working knowledge of OT networking: VLANs, L2/L3 switching and routing, industrial firewalls, DMZ design, jump architectures, and certificate-based authenticationFamiliarity with common ICS hardware and protocols: PLCs, RTUs, RTACs, HMIs; Modbus, DNP3, SELExperience with SIEM / logging platforms and tuning detections for OT environmentsStrong documentation discipline; ability to produce evidence that survives audit scrutinyClear written and verbal communication; able to translate security requirements into reliability outcomes for plant operationsComfortable with field work, planned outage coordination, and occasional on-call responseValid driver's license and ability to travel to operating sites as neededUtility, IPP, or owner-operator experience strongly preferredPreferred certifications: GICSP, ISA / IEC 62443 Cybersecurity Specialist, CompTIA Security+, or CISSPSolar and BESS operations experience, ERCOT market exposure, and prior NERC CIP audit participation are plusesBenefits401(k) plan with company matching contributionCompetitive health, vision, and dental benefitsAttractive personal time off and company holiday packageWork-from-home policySalary commensurate with experienceCompany OverviewAdapture Renewables, Inc. develops, owns, and operates utility-scale solar and battery storage projects across the United States. It was founded in 2011, and is headquartered in Oakland, California, USA, with a workforce of 51-200 employees. Its website is https://adapturerenewables.com.