Senior Process Engineer - Gold

Hatch Ltd.; Johannesburg; On-site; ZAR 1,000,000 - 1,600,000; Full time

Job summary

Hatch is seeking a Senior Process Engineer - Gold in Johannesburg, South Africa. The role focuses on leading process engineering efforts for gold processing facilities, including design calculations, P&IDs, and hazard studies.

The engineer will mentor juniors and coordinate with multidisciplinary teams on project delivery. Responsibilities include process scope definition, technology selection, and site commissioning support.

Qualifications

• Bachelor's or higher in chemical/metallurgical/mineral processing engineering.
• At least 10 years’ experience in gold processing facilities.
• Experience leading engineering tasks, studies, and design calculations.

Responsibilities

• Perform process engineering tasks on Minerals Processing projects across commodities.
• Act as Lead Process Engineer on projects or studies.
• Oversee design calculations, equipment sizing, and process data sheets.

Skills

Process engineering

P&IDs

Hazard studies

Education

Chemical Engineering degree

Metallurgical Engineering degree

Mineral Processing degree

Job description

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Senior Process Engineer - Gold

Date: Sep 14, 2026

Location: Johannesburg, Gauteng, ZA

Company: Hatch

Requisition ID:99160

Job Category:Engineering

Location:Johannesburg,Gauteng,South Africa

Join a company that is passionately committed to the pursuit of a better world through positive change. With more than 70 years of business and technical expertise in mining , energy , and infrastructure ,our 10,000 colleagues in 150 countries tirelessly work toward bettering the industries in which we operate. With practical solutions that are safe, innovative and sustainable, we think globally while acting locally.Are you looking for an opportunity to join a diverse group of professionals who are committed to remaining exceptional? We look forward to hearing from you.

The Process Engineer will be part of an engineering team providing engineering services and/or field support. Client liaison and maintaining the focus of the project on achieving unprecedented and sustained business results for the client is a large part of the work.

The role will require the engineer to oversee, guide and develop solutions in all areas of the process plant across various systems, unit operations and process equipment. Specific tasks may include the development of process engineering deliverables; solutions to infield problems; and involvement in the execution and commissioning of these solutions.

The Process Engineer may be required to act as Lead Process Engineer, on specific assignments, responsible for coordinating the process engineering team, oversee and guide the development of process engineering deliverables ensuring they meet the project’s scope, are delivered on schedule and budget, and meet Hatch’s quality standards. Experience in Gold Concentrator design.

Key Responsibilities Include:

• Perform process engineering tasks on Minerals Processing projects, in a variety of commodities
• When requested, act as Lead Process Engineer on projects or studies
• Operate with full competence and independence in the execution of all design calculations, design criteria, in the compilation and execution of equipment lists and calculations.
• Develop new criteria/calculations where required, maintaining high levels of accuracy. Provide frequent training, guidance and supervision to junior colleagues
• Actively engage with clients to understand project requirements
• Process scope definition and technology selection
• Define the process design criteria
• Define the process block flow diagram and unit operations
• Compilation of Process Flow Diagrams, along with associated mass and energy balance calculations
• Undertake trade off studies to resolve options
• Identify, scope and manage process test work (on site or laboratory based)
• Conduct capacity analysis for existing plants
• Select the equipment for projects
• Carry out engineering design calculations and equipment sizing calculations
• Prepare specifications of process attributes for equipment, through compilation of process datasheets (or process input to general datasheets).
• Compilation of Process Description
• Design of the process control logic adhering to appropriate safety standards, and documentation into Functional Descriptions
• Display full competence and independence in the compilation of P&IDs and all levels of control philosophies.
• Ensure process specifications portray the appropriate information and design intent and review of equipment bids
• Liaising with other discipline engineers to ensure designs conform to process requirements
• Contribute to hazard studies
• Compile operating cost estimates including estimation of consumables, labor, maintenance materials and power
• Provide input to capital cost estimates
• Prepare well written project reports
• Play a lead role in site commissioning of new equipment and process systems
• Participate in the preparation of proposals and other business development initiatives.

Qualifications and Experience:

• Chemical Engineering, Metallurgical Engineering or Mineral Processing degree.
• Minimum of 10 years’ experience
• Experience supporting engineering studies including scope studies, Preliminary Economic Assessments (PEA), Pre-Feasibility Studies (PFS), and Feasibility Studies.
• Extensive design, commissioning and/or operational experience in gold processing facilities
• Experience in scoping and management of metallurgical testwork programs (benchscale, pilot scale, on-site testing)
• Experience in modelling of gold processing equipment and systems
• Strong client focus.
• Ability to lead engineering tasks on a project, within the allocated budget and schedule, including mentoring and guidance of junior colleagues and professional interaction with other project disciplines
• Ability to manage individuals to attain quality, cost and schedule objectives.
• Collaborate on exciting projects to develop innovative solutions

We're committed to fostering a workforce that reflects the diversity of the communities in which we operate and serve. Hatch is an Equal Opportunity Employer that considers applicants without regard to age, race, color, national origin, citizenship, religion, creed, gender, sexual orientation, marital status, disability, or any other protected status. If you have any accommodation requirements, please let us know. We'll do our best to meet your needs in accordance with applicable local legislation.

In order to consider any application for employment, we will have to process your personal information.

A law, known as the Protection of Personal Information Act, 4 of 2013 (POPIA) provides that when one processes another's personal information, such collection, retention, dissemination and use of that person's personal information must be done in a lawful and transparent manner.

In order to give effect to this right, we are under a duty to provide you with a number of details pertaining to the processing of your personal information. These details are housed under the HatchHR Processing Noticewhich can be accessed and viewed on the Hatch website: https://www.hatch.com/About-Us/Privacy-Statement-South-Africa , whichHR Processing Noticewe request you kindly download and read.