> Markdown version of [/jobs/ext/3620640-ot-senior-security-engineer-it-ot-vulnerability-assessment](https://www.wearedevelopers.com/jobs/ext/3620640-ot-senior-security-engineer-it-ot-vulnerability-assessment). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # OT Senior Security Engineer (IT & OT Vulnerability Assessment) - **Company:** Quantum World Technologies Inc - **Location:** San Diego, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Health Information Management, Supervisory Control and Data Acquisition (SCADA), Wonderware, Virtual Private Networks (VPN), Routing, Virtual Local Area Networks, Computer Networking Systems, IT Architecture, Firewalls (Computer Science), Palo Alto Networks, Fortinet, Allen-Bradley Factory Automation Equipment, Cisco - **Published:** October 8, 2026 - **Apply:** https://www.thejobnetwork.com/job/d6a7dc6c-30ad-4809-85d6-4d292db822c8/ot-senior-security-engineer-it-ot-vulnerability-assessment ## About the Role * Bachelor's degree in Cybersecurity, Computer/Electrical Engineering, Information Technology or a related field, or equivalent experience. \n * 6+ years in cybersecurity, including at least 3 years hands-on with OT/ICS environments. \n * Has run at least two OT security assessments end to end, from scoping through the final report. \n * Hands-on knowledge of PLCs, RTUs, HMIs and SCADA platforms common in U.S. water utilities (for example Rockwell/Allen-Bradley, Schneider Electric, Siemens, GE, Inductive Automation Ignition, AVEVA/Wonderware).