OT & L3 Engineer at NS BlueScope

Cilegon, Banten, Indonesia -

Full Time

Start Date

Immediate

Expiry Date

01 Jun, 26

Salary

0.0

Posted On

03 Mar, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

SCADA, MES, OT Cybersecurity, PLC, HMI, AspenTech, VMware, Cisco Networking, Firewall, VLAN, IEC 62443, ISA-95, SQL, OPC UA, Modbus, Digitalization

Industry

Wholesale Building Materials

Description

This role is established to ensure the secure, reliable, and high-performance operation of NSBI’s Operational Technology (OT) infrastructure and Level 3 (MES) systems through the integration of automation engineering, SCADA (Level 2), MES (Level 3), and OT cybersecurity practices. The position strengthens operational stability, data integrity, and cybersecurity posture by designing, maintaining, and continuously improving automation systems, OT networks, and digital manufacturing platforms. By enabling strong integration across Level 2, Level 3, and OT network architecture, this role supports production optimization, system resilience, secure connectivity, and data-driven decision-making throughout NSBI operations. Responsibilities: Mandatory objectives (Applied for all employees): Implement and comply with Occupational Health Safety & Environment (OHSE) Policy, Quality & Environmental Management System, BSL Policy, Code of Conduct (How We Work), Collective Labour Agreement (CLA) and Government Regulations. Safety & Compliance Implement and comply with NSBI OHSE policies, OT cybersecurity standards, engineering standards, and government regulations. Ensure safe execution of automation, MES, and OT network activities. Enforce Zero Harm principles in all automation and network-related work Automation & Level 2 (SCADA) Management Maintain, support, and improve SCADA (Level 2) systems to ensure ≥99% availability. Develop and modify PLC, SCADA, HMI, and control logic as required. Perform troubleshooting, root cause analysis, and corrective actions for automation failures. Maintain system backups, version control, and change management (MOCA) Level 3 (MES) System Management Sustain and enhance MES (AspenTech) platform performance and stability (≥99% uptime). Ensure integrity of production orders, material tracking, quality, and consumption data. Lead MES configuration, workflow improvements, and L2–L3 integration enhancements. Support digitalization and Industry 4.0 initiatives. OT Network & Infrastructure Engineering Maintain and secure OT network infrastructure including switches, firewalls, VLANs, servers, virtualization (VMware), and backup systems. Design and implement secure IT/OT segmentation, DMZ architecture, and firewall policies. Eliminate multihomed devices and enforce secure data flow practices. Perform vulnerability assessments, system hardening, and patch management. Project & CAPEX Execution Execute automation, MES, and OT network-related CAPEX projects within scope, budget, and timeline. Lead or support FAT, SAT, commissioning, and go-live activities. Ensure cybersecurity and network architecture requirements are embedded in all digital projects. Develop and review URS, FDS, system architecture, and integration documentation. Documentation & Governance Maintain updated network diagrams, control system architecture, backups, change logs, and as-built documentation. Ensure full compliance with procurement, tendering, ABAC, and governance processes. Enforce 100% MOCA compliance for any automation or OT network modification Cybersecurity & Risk Management Coordinate with corporate cybersecurity and regional OT teams for incident response and threat monitoring. Implement role-based access control (RBAC), password management, and asset security controls. Support compliance with IEC 62443, corporate cybersecurity policies, and internal audit requirements. Monitor risk indicators and ensure remediation tracking Qualification and/or experience required: Bachelor’s Degree in Electrical Engineering, Automation, IT, Computer Science, or related field Minimum 5 years’ experience in automation, SCADA, MES, or OT network engineering Hands-on experience with: PLC (Siemens, Allen-Bradley, Schneider, etc.) SCADA platforms (Wonderware, Ignition, WinCC, FactoryTalk, etc.) MES systems (preferably AspenTech) Cisco networking (routing, switching, VLAN, firewall) Windows Server & VMware administration Backup & restoration system Strong understanding of IT/OT segmentation and cybersecurity fundamentals Experience in industrial/manufacturing environment Preferred Qualification and/or experience required: Familiarity with IEC 62443 and ISA-95 Certification (CCNA, Security+, VMware, Microsoft, etc.) Knowledge of SQL, historian systems, and data integration Exposure to Industry 4.0 and digitalization initiative Strong automation engineering fundamentals (PLC, SCADA, MES) Deep understanding of OT network architecture and security controls Ability to design system architecture (L1–L3 integration) Knowledge of industrial protocols (Modbus, OPC UA, Profibus, Profinet, Ethernet/IP, MQTT) Understanding of virtualization, server hardening, and patch management At NS BlueScope our success comes from our people. We choose to treat each other with trust and respect. We understand that the range of perspectives that result from having a diverse and inclusive workplace will strengthen NS BlueScope’s capability for continued and sustained business success. BlueScope is a global success story with 16,500 people across 16 countries. In our NS BlueScope business, our team of over 2,000 people is our strength and we want our people to be safe and thriving at work. We love what we do. We’re committed to being leaders and innovators in creating and transforming steel into smart solutions that support our communities today and in the future. And we’re committed to driving sustainability and climate action across the business. From our homes and hospitals to bridges, stadiums and critical infrastructure, NS BlueScope is known for our quality and contributions to nation building across ASEAN. Our valued brands serve residential and commercial building and construction markets including COLORBOND® steel, TRUECORE® steel, ZINCALUME® steel, BlueScope ZACS®, and LYSAGHT® steel building products. At BlueScope, we have a responsibility to one another, to our families, customers, shareholders and the broader community, to build a sustainable business that contributes to protecting all of our futures. As a global organisation with thousands of employees who share passion and expertise in one of the world’s most useful materials, steel, we see an opportunity for BlueScope to contribute and make a real difference. Created by our people, Our Purpose sets our course and gives us the courage and confidence to deliver what matters to our communities around the world, and to attract and retain the very best people to enable us to get there. Our Purpose speaks to why we operate and where we want to be – to see our people work together to inspire our customers, meet our sustainability commitments, deliver value to our shareholders and strengthen our communities for the future. Our Bond outlines the guiding principles that strengthen our business every day. It identiﬁes our key stakeholders, guides how we work together and conduct ourselves, and continues to be our benchmark for success and choosing to do what is right. Read More Read More Read More Read More

Responsibilities

This role is responsible for ensuring the secure, reliable, and high-performance operation of Operational Technology (OT) infrastructure and Level 3 (MES) systems through integration of automation, SCADA, MES, and OT cybersecurity practices. Key duties include maintaining SCADA/MES availability, managing OT networks, executing CAPEX projects, and enforcing strict compliance with safety and cybersecurity standards.