Job Requirements

At Quest Global, it's not just what we do but how and why we do it that makes us different. With over 25 years as an engineering services provider, we believe in the power of doing things differently to make the impossible possible. Our people are driven by the desire to make the world a better place—to make a positive difference that contributes to a brighter future. We bring together technologies and industries, alongside the contributions of diverse individuals who are empowered by an intentional workplace culture, to solve problems better and faster.

Role Overview

The Commissioning Engineer – SCADA is responsible for testing, commissioning, and integrating SCADA systems for HV substations, ensuring safe, reliable monitoring, control, data acquisition, remote operation, and cybersecurity compliance in accordance with project and client requirements.

Key Responsibilities

Perform site-based testing and commissioning of SCADA systems for HV substations
Configure, test, and validate communication protocols including IEC 60870‑5‑104 and OPC UA / A&C
Verify correct operation of remote controls, indications, alarms, interlocks, and event logging
Ensure compliance with cybersecurity standards and project specifications
Support LAN/WAN, switches, routers, and firewalls in coordination with network teams
Integrate SCADA with third‑party systems (Substations, EMS, DMS, metering systems)
Support commissioning of Primary and Secondary equipment (advantage)

Safety & Compliance

Execute all activities in line with Client and Company Safety Rules, EHS procedures, Method Statements, and Risk Assessments
Maintain safe systems of work near live or adjacent HV plant
Stop work and escalate unsafe conditions, non‑compliances, or protection anomalies

Documentation & Quality

Prepare and maintain test reports, commissioning records, and as‑built documentation
Ensure compliance with approved Inspection & Test Plans (ITPs)
Support closure of commissioning defects and punch‑list items

Interfaces

Work closely with Lead Commissioning Engineer, Site Manager, and Client commissioning teams

Authorisations & Certifications

CAT‑1 / CAT‑3 (SSEN)
NGP / NGCP (National Grid)
CCNSG or equivalent safety certification

Work Environment

HV substations during construction, outage, and commissioning phases
Onshore: 10 hrs/day, 6 days/week, 11‑day fortnight rotation
Offshore: 12 hrs/day, 14‑day rotation

We are known for our extraordinary people who make the impossible possible every day. Questians are driven by hunger, humility, and aspiration. We believe that our company culture is the key to our ability to make a true difference in every industry we reach. Our teams regularly invest time and dedicated effort into internal culture work, ensuring that all voices are heard.

We wholeheartedly believe in the diversity of thought that comes with fostering a culture rooted in respect, where everyone belongs, is valued, and feels inspired to share their ideas. We know embracing our unique differences makes us better, and that solving the worlds hardest engineering problems requires diverse ideas, perspectives, and backgrounds. We shine the brightest when we tap into the many dimensions that thrive across over 21,000 difference-makers in our workplace.

Commissioning Engineer - SCADA