Instrumentation Engineer

Sasol Limited; Lake Charles (LA); Hybrid; USD 110,000 - 180,000; Full time

Job summary

Sasol in Lake Charles, LA is seeking an experienced Instrumentation Engineer to support Discipline Engineering and Project Delivery across the Americas. You will own instrumentation and controls aspects in ongoing operations, capital projects, and turnarounds.

Key responsibilities include designing and reviewing instrument data sheets, wiring, DCS configurations (Emerson DeltaV preferred), PLC concepts (Allen Bradley), and compliance with ISA/IEC safety standards.

Qualifications

• Bachelor’s Degree in Engineering; PE license preferred.
• 8+ years of instrumentation engineering experience in petrochemical or refining industries.
• Experience with DCS and PLC systems (DeltaV, ABB, Allen-Bradley).

Responsibilities

• Investigate instrumentation issues and determine corrective actions.
• Size, specify, and review instrumentation for process variables (flow, pressure, level, temperature).
• Develop instrument datasheets, installation details, and review vendor data sheets.
• Lead instrument discipline in FEED/detailed design and CAPEX projects.
• Support SIS design activities per IEC 61511/ISA 84 and participate in PHA/HAZOP reviews.

Skills

Instrumentation engineering

DCS DeltaV

ABB PLC

Allen Bradley PLC

ISA 84 / IEC 61511

P&ID review

Cross-functional collaboration

Education

Bachelor's Degree in Engineering

Tools

Emerson DeltaV

ABB instrumentation

SAP or similar

Job description

Posting Date: Aug 20, 2026

Location: Lake Charles, United States

Company: Sasol

A job at Sasol is a career made by you, with purpose, development opportunities, benefits to support every stage of life and a working culture that embraces flexibility, diversity, and inclusion. Learn more.

Instrumentation Engineer

Purpose of Job

Reporting to the Discipline Engineering Lead, the Instrumentation Engineer provides subject matter expertise supporting Discipline Engineering and Project Delivery across the Americas. The role spans ongoing operations, capital projects, and turnaround activities with a primary focus on instrumentation engineering and is expected to own technical changes in the facility within all aspects of instrumentation and controls.

Key Accountabilities

• Investigate instrumentation failures, control loop anomalies, and instrumented system deficiencies and develop corrective action recommendations
• Root cause analysis of instrumentation failures during startup, shutdown, or abnormal operations
  • Size and specify instrumentation for flow, pressure, level, temperature, and analytical applications per applicable standards
  • Develop and review instrument datasheets, specifications, and installation details
  • Review and approve vendor data sheets and fabrication packages for instrumentation and control equipment
  • Serve as engineer of record for on-site instrumentation engineering and design
    • Support design, configuration, and modification of DCS systems including I/O architecture and wiring — with preference for Emerson DeltaV and ABB platforms
    • Support PLC design and programming review including ladder logic and function block diagrams — with preference for Allen Bradley
    • Define instrumentation and controls integration requirements for capital projects and facility modifications

Safety Instrumented Systems (SIS)

• Support SIS design activities in compliance with IEC 61511 and ISA 84
• Participate in SIL assessments and safety requirement specification (SRS) development

PSM / Regulatory

• Participate in or lead PHA/HAZOP reviews for instrumented systems and control loops
• Ensure compliance with ISA, IEC, NEC, and API standards; support the waiver process when necessary
• Manage instrumentation documentation register ensuring as-built accuracy after MOC or TAR activity

Capital Projects / FEL

• Define the instrumentation and controls basis of design during FEL for new or modified units
• Review P&IDs for instrumentation completeness, consistency, and code compliance
• Serve as instrumentation discipline lead during FEED and detailed design phases

TAR-Specific

• Coordinate pre-TAR instrumentation scope including device calibration, inspection, testing, and return-to-service verification
• Evaluate instrumentation condition reports and disposition findings
• Develop or revise company instrumentation engineering standards and specifications
• Conduct gap assessments against ISA, IEC, and API code updates and lessons learned

Formal Education

• Bachelor’s Degree in Engineering.
• Professional Engineering License preferred.

Working Experience

• Experience performing detailed engineering and design for PSM regulated petrochemical or refining industries.
• 8+ years relevant experience required.

Required Personal/Professional Skills

• Strong written and verbal communication skills with the ability to work effectively across cross-functional and multi-disciplinary teams, including engineering, design, maintenance, operations, and management at all levels.
• Willingness and ability to hold technical positions confidently, constructively challenge decisions, and influence outcomes at all levels of the organization — including senior and executive leadership — with a humble, team-oriented approach.
• Capable of taking initiative on technical tasks and driving them forward independently, while knowing when to engage broader stakeholders for alignment and support.
• Understanding of instrumentation engineering and construction activities in both capital project execution and operating facility support environments.
• Knowledge of instrumentation design methods, best practices, and techniques for engineering and constructing petrochemical facilities.
• Knowledge of DCS systems including I/O interface requirements and wiring; Emerson DeltaV and ABB experience preferred.
• Knowledge of PLC systems including ladder logic and function block programming; Allen Bradley experience preferred.
• Working knowledge of Safety Instrumented System design principles and IEC 61511/ISA 84 requirements; willingness to develop deeper proficiency as needed.
• Knowledge of stage gate project development and execution processes.
• Familiarity with SAP or a similar enterprise system.

Sasol (USA) Corporation is an Equal Opportunity Employer and gives consideration for employment to qualified applicants without regard to race, color, religion, creed, age, sex, sexual orientation, gender identity, pregnancy, national origin, disability or protected veteran status, as well as any other characteristic protected by applicable law, regulation or local ordinance. For more information about your rights under the law, see http://www.eeoc.gov/employers/upload/poster_screen_reader_optimized.pdf

Sasol treats work-authorized job applicants equally in recruiting and hiring without regard to their citizenship status or national origin unless required by law, regulation, executive order, government contract, or determination by the Attorney General. Please note Sasol will not sponsor, obtain, and/or petition for temporary visa status (for example, E, F-1, H-1, H-2, L, B, J, or TN) for candidates for this position and/or personnel hired for this position.