About the role

AI summarised

Seatrium is seeking a Senior IT & OT Infrastructure Specialist to design, implement, and manage robust Operational Technology (OT) security solutions. This role involves providing expert technical consultation on OT security best practices, conducting vulnerability assessments, and supporting critical infrastructure across hybrid cloud environments.

IndustrialOnsite

Key Responsibilities

Designs, implements, and manages OT security solutions compliant with NIST, IEC 62443, and IACS UR 26/27 standards.
Conducts security assessments and audits of OT environments to identify vulnerabilities and recommend remediation strategies.
Develops OT Security as a Service offerings, including service packages, pricing structures, and delivery models.
Provides expert technical consultation to customers on OT security best practices to enhance overall security posture.
Manages and supports Windows servers, virtualization platforms (VMware / Hyper-V), and endpoint systems.
Administers network infrastructure, including switches, routers, firewalls, and network segmentation.
Supports hybrid cloud environments (AWS/Azure) across on-premise, cloud, and edge deployments.
Monitors systems, troubleshoots technical issues, and ensures high availability and system reliability.
Handles incident management, performs root cause analysis, and ensures SLA-based resolution.

Requirements

Bachelor’s degree in Cybersecurity, Information Technology, or a related field.
Minimum of 3 years of experience in Operational Technology (OT) security or network security.
Strong understanding of NIST, IEC 62443, and IACS UR 26/27 standards and guidelines.
Solid knowledge of Industrial Control Systems (ICS) and SCADA systems.
In-depth understanding of OT security risks, vulnerabilities, and mitigation strategies.
Hands-on experience managing OT security technologies (firewalls, IDS/IPS, vulnerability scanning tools) in industrial environments.
Strong knowledge of firewall technologies, configurations, and best practices.
Proficiency in network protocols such as TCP/IP, DNS, and DHCP.