NESSUS - Subject Matter Expert

Title: Cybersecurity / Nessus Subject Matter Expert (SME) Location: Austin, TX Mode: Remote( 1 week per Quarter onsite & 1 st week should be onsite for training) Job Summary: We are looking for a Nessus Subject Matter Expert (SME) with specialized experience in Operational Technology (OT) security to lead vulnerability scanning, assessment, and mitigation efforts across both IT and OT environments. The ideal candidate will have hands-on expertise with Tenable Nessus and a strong background in securing SCADA networks, and other OT assets. Key Responsibilities: SME for Nessus and Nessus Professional/Tenable.sc scanning solutions in both IT and OT environments. Conduct vulnerability assessments on OT systems, including PLCs, RTUs, HMIs, and SCADA infrastructure, ensuring minimal operational impact. Configure and fine-tune scan policies for OT networks, balancing visibility with system safety and availability. Analyze scan results to identify vulnerabilities, misconfigurations, and complia...