Job Description
Our client, an Australian infrastructure advisory consultancy is seeking a Principal Advisor to step into a client-side Design Manager and Technical Manager roles on landmark, $1bn+ high voltage electrical infrastructure projects.
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Reporting internally to a Technical Director and embedded directly into project environments, you will play a critical technical leadership role in driving the technical management, design review and integration of major high-voltage substation and transmission infrastructure.
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This position offers a rare prospect to transition into or advance within client-side infrastructure advisory, acting as a trusted technical advisor across multi-disciplinary teams, government authorities, major network operators and EPC contractors.
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Key Responsibilities
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Design Oversight & Management: Manage and coordinate design reviews for high-voltage transmission line and substation assets in accordance with strict Technical Requirements, ensuring all workflows move seamlessly through delegated reviewers and approvers on schedule.
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Network & Technical Interfaces: Support the review of Network Operator (NO), EPC Contractor, generator, and storage designs, engineering specifications, and equipment standards.
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System & Connection Strategy: Assist the broader project team in resolving complex technical challenges, including system strength determinations, connection processes, and physical connection arrangements.
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Sub-consultant & Delivery Management: Oversee and guide specialist technical sub-consultants and service providers to ensure all project deliverables meet quality,



schedule, and client standards.
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Governance & Stakeholder Engagement: Represent project interests across multi-stakeholder working groups, contributing to technical briefing papers, risk registers, and governance reporting within a broader project setting.
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Key Requirements
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Experience: Minimum 5 years of relevant engineering, design or construction management experience on major linear infrastructure projects.
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Major Project Exposure: Proven track record delivering major Greenfield or Brownfield infrastructure projects.
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Technical Expertise: Tertiary qualifications in Electrical Engineering (or a closely related discipline) with specific background in high-voltage substation or transmission design or construction.
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Sector & Regulatory Knowledge: Demonstrated understanding of the renewable energy sector, high-voltage networks and connections, and government
planning/regulatory
frameworks.
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Communication & Advisory: Exceptional stakeholder management skills with the ability to communicate complex technical decisions to executive decision-makers.
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What Is on Offer
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High-Impact Project: Play a key role in shaping Australia's clean energy transition on a major high voltage electrical infrastructure projects.
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Career Growth: Access a clear pathway into client-side advisory with the backing of an established, highly regarded infrastructure management consultancy.
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Flexibility & Culture: Enjoy a collaborative working environment that supports hybrid office and work-from-home arrangements.
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📌 Client Side Principal/Senior Advisor - Infrastructure Advisory (Technical Manager) (New South Wales)
🏢 Sirius People
📍 New South Wales