Client Side Principal/Senior Advisor - Infrastructure Advisory (Technical Manager)

  • Posted09 September 2026
  • Salary$200000 - $280000 per annum
  • LocationSydney
  • Job type Permanent
  • Expertise Sirius Energy
  • ReferenceBH-67906

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.
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.
This position offers a rare opportunity 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.

Key Responsibilities

  • 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.
  • Network & Technical Interfaces: Support the review of Network Operator (NO), EPC Contractor, generator, and storage designs, engineering specifications, and equipment standards.
  • System & Connection Strategy: Assist the broader project team in resolving complex technical challenges, including system strength determinations, connection processes, and physical connection arrangements.
  • 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.
  • 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 environment.
Key Requirements
  • Experience: Minimum 5 years of relevant engineering, design or construction management experience on major linear infrastructure projects.
  • Major Project Exposure: Proven track record delivering major Greenfield or Brownfield infrastructure projects.
  • Technical Expertise: Tertiary qualifications in Electrical Engineering (or a closely related discipline) with specific background in high-voltage substation or transmission design or construction.
  • Sector & Regulatory Knowledge: Demonstrated understanding of the renewable energy sector, high-voltage networks and connections, and government planning/regulatory frameworks.
  • Communication & Advisory: Exceptional stakeholder management skills with the ability to communicate complex technical decisions to executive decision-makers.
What Is on Offer
  • High-Impact Project: Play a key role in shaping Australia's clean energy transition on a major high voltage electrical infrastructure projects.
  • Career Growth: Access a clear pathway into client-side advisory with the backing of an established, highly regarded infrastructure management consultancy.
  • Flexibility & Culture: Enjoy a collaborative working environment that supports hybrid office and work-from-home arrangements.
How to Apply
If you are a high-performing Electrical Engineer, Design or Construction Manager looking to step into client-side advisory, please submit your CV for a confidential discussion. Or reach out to me directly at ollie@siriusenergy.com.au or on 0483 965 839.