BESS Solutions Engineer

Welcome to Delta Electronics

[deltaelectronics.com.au]

Established in 1971, we are an energy-saving solutions provider with core competencies in power electronics and automation. Headquartered in Taiwan, we invest 6% - 7% of our annual sales revenues into R&D and have worldwide R&D facilities in China, Europe, Japan, Singapore Thailand and the US. As a frequent recipient of international awards and related recognition for innovation, design and corporate social responsibility, we are proud to have been selected for 11 years running now for the prestigious Dow Jones Sustainability World Index [DJSI World]. Across Australia and NZ we have investments and plans in place for our rapid expansion over the next 5 years into the Renewable Energy Solutions, Industrial Automation, Power Quality, LED Lighting, Display and Control Room, Mission Critical Infrastructure, Electric Vehicle Charging and Energy Storage spaces.

Now is a terrific time to join our team, as together we embark on our exciting growth journey in the APAC region!

Job Summary

The BESS Solutions Engineer will be the technical lead for end‑to‑end BESS solutions across the pre‑sales, tendering and execution phases, with a focus on projects connected at distribution and sub‑transmission levels. The role combines customer‑facing solution development, detailed engineering, execution and grid connection support to ensure our integrated BESS offerings and proposals are technically robust, commercially competitive, and compliant with Australian regulatory frameworks.

Main Responsibilities and Tasks

Key responsibilities

Pre‑sales, tenders and proposals

• Lead technical review of RFQs/RFTs/RFIs for BESS opportunities in large C&I and small‑scale utility segments.
• Develop complete pre‑sales solution concepts including system architecture and sizing.
• Prepare the technical content and overall composition of proposals.
• Participate in customer technical meetings, presentations and workshops as the primary technical interface during the sales cycle.

Solution design and system engineering

• Own the BESS solution definition from PCS point of connection through to battery racks.
• Perform and/or coordinate technical studies including load and generation profiling, energy throughput analysis and cycling requirements to support business cases.
• Translate functional requirements into system configurations, control strategies and operational constraints.
• Review and approve detailed design deliverables produced by internal teams and partners to ensure alignment with the offered solution and standards.

Internal collaboration and continuous improvement

• Work closely with global product management and R&D to provide field feedback.
• Contribute to development and standardisation of reference designs, templates, tools and processes for repeatable sub‑5 MW BESS solutions.
• Mentor junior engineers in BESS design principles, Australian standards, grid connection processes and best practice engineering methods.
• Maintain up‑to‑date knowledge of relevant Australian and international standards, NER changes, AEMO guidelines and DNSP technical requirements.

Required qualifications and experience

• Bachelor’s degree in electrical engineering.
• 7–10+ years of relevant experience in power systems, renewable energy engineering, with at least 3–5 years directly focused on BESS or inverter‑based resources (IBRs).
• Demonstrated experience in executing and delivering inverter‑based BESS projects (design‑build, EPC, OEM or developer side) for Australian C&I and/or utility sectors.
• Proven involvement in grid connection processes within the NEM and preferably WEM as well, including GPS development and AEMO/DNSP engagement.
• Experience working with OEMs, EPCs, developers delivering grid‑connected renewable / BESS projects from early development through commissioning is highly desirable.

Technical skills

• Strong understanding of BESS architectures.
• Deep technical know‑how of leading battery chemistries used in grid‑scale storage with a practical insight into their performance, safety, lifecycle and suitability.
• Hands‑on experience specifying and integrating Energy Management Systems (EMS) and Power Plant Controllers (PPC).
• Familiarity with AEMO’s GPS process, NER Schedule 5 requirements and associated AEMO/NSP modelling, validation and compliance expectations for generator connections.
• Working knowledge of relevant Australian standards and guidelines (e.g. AS/NZS 3000, AS/NZS 4777, AS 2067, CEC installation guidelines).
• Proficiency in reading and producing SLDs, protection and control schematics, cable sizing, earthing and lightning protection concepts and equipment specifications.
• Comfortable using common engineering and office tools and preparing clear technical documentation and reports.

Behavioural competencies

• Strong customer‑facing communication skills with the ability to explain complex technical issues.
• Proven ability to operate autonomously as the technical lead while collaborating effectively with cross‑functional and multicultural teams.
• Structured, detail‑oriented approach to problem solving, with a focus on risk management, quality and safety in design and delivery.
• Proactive, commercially aware mindset, capable of balancing technical optimisation with cost, schedule and contractual obligations.

Location, travel and reporting

• Location: Sydney or Melbourne preferred, with a hybrid work model and occasional travel to customer sites, project locations, factories and international meetings.
• Reporting line: Reports to the Director, BESS Solution Sales, APAC.
• Travel expectation: Approximately 10–20% domestic travel, with occasional international travel.

What we offer

• Opportunity to shape an integrated BESS solutions portfolio for a leading PCS manufacturer at a pivotal time in the Australian energy transition.
• Exposure to a diverse portfolio of large C&I and utility projects across the NEM and WEM, from early‑stage development through commissioning.
• Competitive remuneration package including performance‑based incentives, and support for professional development (e.g. CPEng, grid connection training, power systems courses).
• We foster an inclusive, safety-first culture grounded in integrity, with a strong focus on collaboration, innovation, empowerment and technical excellence.

Want to apply?

If you are confident, you possess all of the above, then hit the "apply now" button today!

(We thank you for your interest in this position however due to the volume of applications we receive only successful candidates will be contacted).

Have any further questions? You can reach out directly to our HR team at ***email_hidden***

Delta Electronics is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. If you need assistance or an accommodation during the application process because of a disability, it is available upon request. The company is pleased to provide such assistance, and no applicant will be penalized because of such a request.