Job
Description
We are looking for a hands-on and motivated OT Security Analyst with around 3 years of experience in securing Operational Technology (OT) and Industrial Control Systems (ICS) environments. This role will support the implementation and improvement of our manufacturing security program. You will play a key part in shaping OT security strategies, supporting the deployment of security controls, and collaborating with cross-functional teams to strengthen our OT security posture. Key Responsibilities: Implement and support security controls for PLCs, HMIs, SCADA systems, RTUs , and other OT assets. Perform risk assessments , define segmentation strategies , and contribute to OT security baselines . Work with OT security tools such as Claroty, Nozomi, Armis, or Tenable.ot to monitor and protect industrial networks. Collaborate with plant operations, engineering, and OT vendors for secure implementation and lifecycle support. Assist in SIEM log integration , alert triage, and incident investigation related to OT systems. Support network segmentation , firewall configuration , and passive traffic monitoring within OT environments. Participate in the creation of documentation, playbooks, and process improvements for OT security operations. Required Skills & Qualifications: 3+ years of experience in OT/ICS cybersecurity or related roles. Strong understanding of ICS protocols like Modbus, DNP3, OPC , etc. Experience with industrial devices and systems (PLCs, SCADA, RTUs, robotic automation). Familiarity with OT-specific risks and the unique constraints of industrial environments. Exposure to OT security tools (e.g.,Claroty, Nozomi, Armis, Tenable.ot ). Working knowledge of SIEM tools , firewalls , and network segmentation in OT setups. Good communication skills and the ability to work with multi-disciplinary teams. Preferred (Nice to Have): Certifications like GICSP, GRID, IEC 62443 or other OT security credentials. Familiarity with NIST CSF , IEC 62443 , or related cybersecurity frameworks. Experience working in manufacturing or industrial sectors .
