Principal Fire & Hydraulic Engineer

AirTrunk

Location not specified

Full Time

Posted October 7, 2026

$114k - $174k· Est.

Climate Technology

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Listing evidence and provenance

Source: Greenhouse View original listing
Freshness: Open in the current public read path; this is not an employer guarantee.Last observed October 7, 2026
Classification: Modern power-system classification not yet published for this listing.Legacy source industry field: Climate Technology
Pay provenance: Estimated benchmark; not employer-provided

Job Description

As Principal Fire and Hydraulics Engineer, you will report to the Senior Director, Engineering and be based at our North Sydney headquarters.

Key Responsibilities

Own and maintain fire and hydraulics requirements within GMS-E and GMS-C, covering design criteria, performance, calculations, installation quality, inspection and testing, pre-commissioning readiness and handover; also govern relevant OSE specifications, change control and implementation guidance.
Set the fire systems campus approach and technical direction for fire engineering and certifying authority requirements; pre-action and wet sprinkler systems; gas suppression; dry fire detection, smoke detection and alarm systems; occupant warning systems; fire indicator panels; nitrogen generation systems; sprinkler and hydrant pumps; fire-suppression water storage; and associated controls.
Interpret and govern compliance with applicable fire codes, regulations, Authority Having Jurisdiction requirements, insurer requirements and FM Global standards across AirTrunk's regions.
Own the technical requirements for fire cause-and-effect matrices and ensure coordinated interfaces with mechanical systems, smoke control, dampers, electrical systems, BMS, controls and automation, security, access control and emergency response functions.
Set technical direction and design criteria for hydraulic equipment and systems, including domestic cold water, potable and non-potable water, water storage, piping and pumping, filtration and incoming water treatment, sanitary drainage, stormwater and siphonic drainage, leak detection, cross-connection control and associated water-quality requirements.
Define and assure hydraulic analyses and calculations, including utility water flow data and supply analysis, used-water discharge quality, water storage, pump head, stormwater and sanitary pipework sizing, rainwater storage tank sizing and system
Set the scope and depth of risk-based reviews from concept through IFC and review designs, calculations, cause-and-effect matrices and technical submissions for .
Act as the senior escalation point and delegated decision maker for material risks, departures, waivers, substitutions and non-conformances, recording decisions, rationale, conditions and accountable owners.
Maintain discipline cost benchmarks, challenge unnecessary complexity and assess system and equipment suitability across life safety, compliance, capacity, reliability, resilience, constructability, maintainability, operability, testability and lifecycle value.
Partner with Procurement and Supply Chain to evaluate vendor proposals, technical deviations, equipment substitutions and quality risks, and provide senior technical input to factory acceptance testing and proof-of-concept activities.
Lead discipline peer reviews and resolve interfaces with mechanical, electrical, controls and automation, civil, structural, architectural, security, commissioning and operational teams; champion Safety in Design and clear ownership of residual risks.
Provide senior technical support for significant site, commissioning, integrated systems testing and operational issues, and ensure root causes and lessons learned are reflected in standards, specifications and future project assurance.
Communicate complex fire and hydraulic matters clearly to executives, customers, authorities, insurers, commercial teams, delivery partners and non-technical stakeholders, including recommended options and trade-offs.

Requirements

Bachelor's degree in Fire Safety, Fire Protection, Mechanical, Hydraulic or Building Services Engineering, or a closely related discipline; a relevant postgraduate qualification is advantageous.
Typically 12+ years of progressive fire protection and hydraulic engineering experience, including leadership across complex, multi-project or multi-region portfolios; Chartered or Professional Engineer status or relevant fire-safety accreditation is preferred.
Deep expertise in fire and smoke detection, alarm, occupant warning and notification systems, fire indicator panels, graphical interfaces, fire cause-and-effect development and multidisciplinary systems integration.
Deep expertise in wet and pre-action sprinkler systems, gaseous suppression, hydrant systems, nitrogen generation, fire-water storage, pumps and associated controls.
Strong knowledge of applicable fire standards, building and fire regulations, Authority Having Jurisdiction processes, insurer requirements and FM Global requirements.
Deep expertise in domestic cold water, potable and non-potable water, water treatment, sanitary drainage, stormwater, siphonic drainage, water storage and pumping systems, including storage, flow, pump head and pipework sizing
Strong experience in data centres, mission-critical facilities, industrial infrastructure or another high-availability operating environment.
Demonstrated experience establishing a technical function and owning engineering and construction standards, equipment specifications, technical assurance, delegated authority and deviation governance.
Commercially astute and decisive, with proven people leadership, resource planning, stakeholder communication and the ability to balance life safety, compliance, cost, programme and operational requirements across multiple regions; occasional overseas travel is required.