Job title: Senior Project Engineer - C&I Solar & BESS - CPT
Job type: Permanent
Emp type: Full-time
Industry: Renewable Energy
Sub-Industry: BESS / Batteries C&I (Commercial & Industrial) Solar PV C&I
Functional Expertise: Engineering
Location: City of Cape Town Metropolitan Municipality, WC
Job published: 10-08-2026
Job ID: 35209
Contact name: Joey Müller

Job Description

We are looking for an experienced Senior Project Engineer to take ownership of the technical delivery of commercial-scale solar PV projects from initial concept through to commissioning.

You will combine strong design expertise with hands-on project oversight, construction support and client engagement to ensure every installation meets the required performance, quality and compliance standards.

Key Responsibilities

Site Surveys & Feasibility

  • Conduct detailed site assessments across rooftop, ground-mount and carport installations.
  • Assess available space, cable routing, shading and client consumption profiles.
  • Evaluate technical feasibility and translate findings into actionable design inputs.

System Design & Documentation

  • Develop comprehensive solar PV design packs, including layouts, single-line diagrams and detailed specifications.
  • Produce BOQs, datasheets, schematics, cable schedules and technical reports.
  • Prepare and review designs using AutoCAD.

Simulation & Optimisation

  • Perform energy yield simulations using PVsyst and Helioscope.
  • Optimise array orientation, tilt, string configurations and inverter loading.
  • Ensure designs comply with applicable SANS, NRS, SSEG and municipal standards.

Project Coordination & Costing

  • Work closely with commercial and procurement teams to validate pricing, logistics and labour requirements.
  • Review CAPEX/OPEX models.
  • Support the preparation of accurate technical and commercial proposals.

Construction & Commissioning Support

  • Conduct regular site visits throughout installation.
  • Verify compliance with approved designs and provide technical guidance to installation teams.
  • Assist with resolving technical issues on site.
  • Support commissioning activities, including performance testing and SCADA/data logging verification.

Compliance & Quality Assurance

  • Ensure engineering deliverables comply with electrical codes, NRS, SANS, grid-connection requirements and safety standards.
  • Implement QA/QC processes, lessons learned and engineering best practices.

Client & Stakeholder Engagement

  • Act as a key technical interface for clients, utilities and inspectors.
  • Address technical queries and provide project progress updates.
  • Coordinate with internal teams to support seamless project delivery.

Innovation & Continuous Development

  • Stay up to date with developments in solar PV and BESS technologies.
  • Maintain and improve engineering templates, standards and processes.
  • Identify solutions that improve project efficiency, consistency and quality.

Qualifications & Experience

  • Bachelor’s degree in Electrical, Mechanical or Renewable Energy Engineering – BEng or BTech.
  • Minimum 5 years’ end-to-end C&I solar PV project engineering experience.
  • Proven experience in pre-construction design.
  • ECSA registration as a Pr. Eng or Pr. Tech Eng is advantageous but not mandatory.

Technical Skills

  • Solar Design & Simulation: PVsyst, Helioscope
  • CAD: AutoCAD
  • Analysis: Advanced Excel, including financial and technical modelling
  • Standards: SANS 10142-1, NRS 097 and municipal grid-tie requirements
  • MS Word and PowerPoint