Employer: Persona Staff Applications Engineer (Mechanical – Ventilation & Air Systems)Full-time | Office-based with site visits | Industrial engineering environment Our client, an established air systems engineering company specialising in large turnkey industrial projects, is seeking a skilled Applications Engineer to join their mechanical engineering team. The company manages the full project lifecycle — from design and manufacture through to installation and commissioning — serving sectors such as mining, power generation, industrial processing, agriculture, marine, poultry, commercial, and HVAC. This role presents an excellent opportunity for a technically strong engineer who values long-term career stability and wants to take ownership of projects from concept through to commissioning within a collaborative, growth-focused environment. What You’ll Do   You will take responsibility for ventilation and air handling projects from initial specification to final commissioning: * Interpret client specifications, tender documents, and technical requirements * Design and select appropriate ventilation, fan, and air handling systems * Prepare technical proposals, equipment schedules, and detailed costings * Engage with clients to clarify requirements and present technical solutions * Liaise with draughting, production, and installation teams to ensure practical, cost-effective designs * Provide commissioning support and technical troubleshooting when required * Ensure compliance with relevant industry standards and regulations * Attend site visits and client meetings as needed What You Bring * BEng or BSc in Mechanical Engineering * Proven experience in a mechanical engineering role * Experience in ventilation, HVAC, fan systems, or industrial air movement applications (advantageous) * Bilingual in English and Afrikaans To apply, please send your CV to natasha@personastaff.co.za         Please note that only shortlisted candidates will be contacted. Should you not receive feedback within 48 hours, please accept your application as unsuccessful.   Persona Staff (Pty) Ltd is POPIA (Protection of Personal Information Act, 2013) compliant, all personal information is protected according to legislation. Applying for any of our available vacancies, you give Persona Staff consent to process your Personal Information for Recruitment Purposes, according to the POPI ACT, 2013. If you have any concerns regarding your Personal Information and our compliance towards the legislation, you are welcome to request out POPI Act Policy.