Senior Instrumentation and Control System Engineer

This permanent full-time role reports to the Engineering & Reliability Superintendent , and acts as the discipline Subject Matter Expert (SME) for instrumentation systems and proficiency in control systems (DCS, PLC, ESD) across both of our sites (ammonia, and technical ammonium nitrate).

The role leads complex troubleshooting, capital projects, SIS lifecycle management, and long-term reliability and obsolescence strategies. 

What you’ll do day-to-day 

• Act as the site Subject Matter Expert (SME) for instrumentation, control systems, analysers and control valves across both production plants. 
• Provide technical leadership for instrumentation and control system reliability, performance, safety and compliance. 
• Lead the lifecycle management of Safety Instrumented Systems (SIS), including HAZOPs, LOPAs, SIL assessments, testing and validation activities. 
• Develop, maintain and govern instrumentation, control and alarm management standards, philosophies and engineering specifications. 
• Drive troubleshooting, root cause investigations and reliability improvements for critical plant equipment and control systems. 
• Lead instrumentation and control aspects of capital projects, plant modifications and Management of Change (MOC) processes. 
• Develop long-term asset, maintenance and obsolescence strategies for instrumentation, SIS, fire and gas systems, analysers and field devices. 
• Optimise maintenance and reliability strategies to maximise equipment availability, plant performance and regulatory compliance. 
• Partner with operations, maintenance, engineering teams and OEMs to deliver technical solutions and continuous improvement initiatives. 
• Mentor engineers and technicians while providing day-to-day engineering support across the sites. 

Your work-life balance 

• 5 weeks paid annual leave   
• Optional RDO roster delivering 16 additional paid days off per year
• Residential role based in Karratha - no FIFO 

What’s on offer 

• Choice of complimentary employer-provided housing or a $46,000 per year Karratha housing allowance 
• $35,000 per year regional location allowance 
• Annual bonus - target of up to one month’s base salary 
• $1,000 per year Health and Wellness allowance 
• $3,000 per year utilities reimbursement (electricity/water) 
• Flights for you and your dependents, twice per year (after initial service period) 
• Relocation assistance 
• 6 months paid primary parental leave 
• Salary packaging and active Social Club 

Why Yara? 

• Low turnover, long‑tenured workforce 
• Strong internal promotion culture 
• Long-term career stability with a leading global organisation