Operational Technology Cyber Security Jobs in Tennessee

Position OverviewWe are seeking a Senior Cybersecurity Engineer to provide hands‑on leadership for our corporate IT security environment, while also supporting cybersecurity efforts within our manufacturing (OT) environments.This role is primarily focused on enterprise IT security, with additional responsibility for supporting OT security initiatives in partnership with Engineering and Automation teams. In addition to deep technical ownership, this role plays a key part in executing the cybersecurity roadmap, coordinating with external security partners, and advising IT leadership on security strategy and architecture decisions.The ideal candidate is a technically strong, self‑directed security professional who enjoys owning security platforms end‑to‑end, improving detection and response capabilities, and working cross‑functionally to reduce cyber risk across both business and manufacturing systems.Key ResponsibilitiesCorporate IT SecurityDesign, implement, and maintain enterprise cybersecurity controls across on‑premises, cloud, and hybrid environments.Own and administer security platforms including SIEM/MDR/XDR, Endpoint Detection & Response (EDR), and Identity & Access Management (MFA, PIM/PAM).Lead threat detection, alert tuning, threat hunting, and incident response activities.Secure and monitor Azure and Microsoft 365 environments.Investigate and remediate security incidents; provide on‑call support for cybersecurity events as needed.Generate security metrics and reports to support risk management, audits, and continuous improvement.Evaluate and recommend security tools and enhancements aligned with business and technology needs.Manufacturing / OT Security SupportSupport cybersecurity efforts in manufacturing and OT environments through applied security controls and monitoring.Assist with extending enterprise security visibility and detection into OT‑relevant systems where appropriate.Support secure remote access and vendor access controls for manufacturing support scenarios.Partner with Engineering, Automation, and Networking teams on OT security improvements such as segmentation and access controls.Participate in OT‑related incident response activities with emphasis on safety, uptime, and operational continuity.Note: This role supports OT security through hands‑on security controls and partnership but is not a full‑time OT systems or controls engineering role.Security Roadmap & LeadershipAct as a project lead for key initiatives within the cybersecurity roadmap.Plan, execute, and track cybersecurity initiatives, communicating progress, risks, and outcomes to IT leadership.Partner with IT leadership to prioritize initiatives based on risk, business impact, and resource availability.Architecture, Risk & ComplianceConduct security reviews, vulnerability assessments, and risk analyses.Support internal and customer‑driven security audits.Maintain and contribute to security policies, standards, and documentation aligned with frameworks such as NIST and ISO 27001.Research emerging threats and technologies to continuously improve security posture.Collaboration & Advisory RolePartner closely with the Head of IT Infrastructure to oversee and coordinate external cybersecurity partners, including SOC, penetration testing providers, and managed service providers.Work directly with the CIO and IT Infrastructure leadership as a trusted advisor, contributing to cybersecurity strategy, architecture decisions, and long‑term planning.Communicate security risks, initiatives, and recommendations to both technical teams and executive leadership.Mentor team members and promote cybersecurity best practices across the organization.Support and contribute to enterprise security awareness initiatives.RequiredBachelor’s degree in Cybersecurity, Information Technology, Computer Science, Engineering, or related field (or equivalent experience).Senior‑level experience in cybersecurity engineering or security operations.Strong hands‑on experience with enterprise IT security technologies.Experience with SIEM, incident response, identity security, endpoint protection, and cloud security.Ability to work independently, manage multiple priorities, and communicate effectively with both technical and non‑technical stakeholders.PreferredExposure to manufacturing or OT environments.Familiarity with ICS/SCADA concepts.Security certifications such as CISSP, CISM, GIAC/GICSP, Security+, or Microsoft Security certifications.Experience supporting audits and writing security policies or standards.Why Join UsOpportunity to own and shape enterprise cybersecurity in a manufacturing environmentBlend of hands‑on technical work and strategic influenceDirect exposure to IT leadership and executive decision‑makingAbility to drive meaningful improvements across IT and manufacturing securityTravelLimited; occasional travel to manufacturing facilities as needed. #J-18808-Ljbffr