{"schemaVersion":"jobsearcher.job.v1","id":"275586da1bbf3ffefffb8f4c","url":"https://jobsearcher.com/jobs/275586da1bbf3ffefffb8f4c","canonicalUrl":"https://jobsearcher.com/jobs/275586da1bbf3ffefffb8f4c","title":"OT Security Engineer","description":"The ideal candidate will be responsible for implementing and maintaining security controls within operational technology (OT) environments to safeguard mission-critical industrial systems. You will work hands-on in ICS/SCADA environments, conduct assessments, deploy industrial cybersecurity tools, and collaborate with engineers and security architects to protect against real-world cyber threats. This role requires both strong technical expertise in OT security and the ability to operate effectively in live industrial environments.ResponsibilitiesImplement, configure, and maintain OT security controls, including firewalls, IDS/IPS, endpoint protection, and secure remote access.Perform site assessments, asset inventories, and baseline configurations of ICS/SCADA systems.Support network segmentation, access control design, and protocol filtering for industrial systems.Deploy and tune industrial cybersecurity tools such as anomaly detection platforms, network taps, and log aggregation tools.Collaborate with security architects and field engineers for secure integration of new and legacy equipment.Troubleshoot industrial network issues and contribute to root cause analysis.Document security configurations, system changes, and incident responses in accordance with industry standards.Participate in vulnerability assessments, patch management, and compliance reviews aligned to NIST CSF and ISA/IEC 62443.Qualifications2–5 years of experience working in OT/ICS environments with exposure to control systems, industrial networks, or security technologies.Familiarity with industrial protocols (e.g., Modbus, DNP3, Ethernet/IP, BACnet) and their security considerations.Experience with network tools such as Wireshark, tcpdump, and industrial IDS platforms (e.g., Nozomi, Dragos, Claroty).Strong understanding of control system components (PLCs, RTUs, HMIs, SCADA servers) and their operational constraints.Comfortable working in live operational environments, with high attention to safety and system availability.Knowledge of cybersecurity principles including defense-in-depth, least privilege, and secure patching.Relevant certifications a plus: GICSP, CompTIA Security+, CCNA, ISA/IEC 62443.Strong communication skills with the ability to work across multidisciplinary teams.","company":"Shieldworkz","rawCompany":"shieldworkz","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-08-14T12:17:52.204Z","occupations":[{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"},{"code":"15-1212.00","title":"Information Security Analysts","slug":"information-security-analysts"},{"code":"13-1199.07","title":"Security Management Specialists","slug":"security-management-specialists"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541690","title":"Other Scientific and Technical Consulting Services","slug":"other-scientific-and-technical-consulting-services"},{"code":"561621","title":"Security Systems Services (except Locksmiths)","slug":"security-systems-services-except-locksmiths"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"OT Security Engineer","description":"The ideal candidate will be responsible for implementing and maintaining security controls within operational technology (OT) environments to safeguard mission-critical industrial systems. You will work hands-on in ICS/SCADA environments, conduct assessments, deploy industrial cybersecurity tools, and collaborate with engineers and security architects to protect against real-world cyber threats. This role requires both strong technical expertise in OT security and the ability to operate effectively in live industrial environments.ResponsibilitiesImplement, configure, and maintain OT security controls, including firewalls, IDS/IPS, endpoint protection, and secure remote access.Perform site assessments, asset inventories, and baseline configurations of ICS/SCADA systems.Support network segmentation, access control design, and protocol filtering for industrial systems.Deploy and tune industrial cybersecurity tools such as anomaly detection platforms, network taps, and log aggregation tools.Collaborate with security architects and field engineers for secure integration of new and legacy equipment.Troubleshoot industrial network issues and contribute to root cause analysis.Document security configurations, system changes, and incident responses in accordance with industry standards.Participate in vulnerability assessments, patch management, and compliance reviews aligned to NIST CSF and ISA/IEC 62443.Qualifications2–5 years of experience working in OT/ICS environments with exposure to control systems, industrial networks, or security technologies.Familiarity with industrial protocols (e.g., Modbus, DNP3, Ethernet/IP, BACnet) and their security considerations.Experience with network tools such as Wireshark, tcpdump, and industrial IDS platforms (e.g., Nozomi, Dragos, Claroty).Strong understanding of control system components (PLCs, RTUs, HMIs, SCADA servers) and their operational constraints.Comfortable working in live operational environments, with high attention to safety and system availability.Knowledge of cybersecurity principles including defense-in-depth, least privilege, and secure patching.Relevant certifications a plus: GICSP, CompTIA Security+, CCNA, ISA/IEC 62443.Strong communication skills with the ability to work across multidisciplinary teams.","datePosted":"2026-08-14T12:17:52.204Z","dateModified":"2026-08-14T12:17:52.204Z","hiringOrganization":{"@type":"Organization","name":"Shieldworkz","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"275586da1bbf3ffefffb8f4c"},"url":"https://jobsearcher.com/jobs/275586da1bbf3ffefffb8f4c"}}