Job description

Last updated: 26/02/2026

JOB TITLE

Principal Project Engineer

FUNCTION

Engineering

REPORTS TO

Head of Engineering

JOB SUMMARY

The candidate in this role will undertake all design and engineering activities of utility-scale wind, battery energy storage and solar projects, from development through to operations, covering full engineering scope from concept to detailed design and procurement

RESPONSIBILITIES

Act as Engineering Manager for the Muswellbrook PV + BESS hybrid project (MUS) during the construction phase
- - Management of the third-party Owner’s Engineer
  - Design management/coordination and decision-making, particularly at the interfaces between contractors
  - Technical interface coordination, and related advice to the project manager
  - Technical advice to the project manager in relation to contractual variations and disagreements
  - Technical decision making at project completion/handover to operations, and related advice to the project manager and asset manager
  - Technical support to the asset manager during the Defect Liability Period
Develop construction-phase engineering practises (incl. adapting from existing OX2 examples) for MUS and future construction projects in Australia
Facilitate consistency of construction phase engineering practises across projects in Australia, and in relation to global OX2 company practises
Provide guidance and support capacity building of other engineers such that they can act as Engineering Managers on other construction-phase projects
Provide construction phase engineering input into development-phase projects on request
Provide support to asset management (TCM) team on request

QUALIFICATIONS

Engineering qualification that is recognised by Engineers Australia. Electrical engineering preferred, but others accepted if strong in other criteria
Minimum 10 years experience in engineering detailed design, construction or operations
Minimum 5 years experience at an EPC Contractor or owner/operator of wind, solar or BESS assets
Experience leading, coordinating or managing engineering activities during the construction phase in Australia
Knowledge of Australian Standards and international reference standards applicable to Wind, BESS, Solar and associated equipment and systems shall be highly regarded
A working knowledge of Environmental and Health and Safety legislative requirements
Experience working collaboratively and communicating effectively within a multi-disciplinary team (i.e. not just engineers)
Demonstrated strong written and oral communication skills in Australia
Must be self-motivated, confident to make decisions within agreed remit and consistent in seeking support from others in areas outside of remit and expertise
Proficiency in AutoCAD, MS Projects, industry standard document management systems and MS suite required
Driver’s license required.

LOCATION

This position will be based in Melbourne. Some adhoc travel to our project locations may be required from time to time.

ABOUT OX2

OX2 is a fully integrated developer of renewable energy solutions at scale. We are the leading pan-European multi-technology renewable energy developer and entered the Australian market through the acquisition of ESCO Pacific. As a company, OX2 brings together the brightest minds and most ambitious team players to address the defining challenge of our time: the shift from fossil fuels to clean energy, the greater shift to a sustainable society and economy. We accelerate the access to renewable energy.