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Gs E&C

Substation Primary System Design Engineer

Company logo
Gs E&C
Provider of global EPC construction and civil engineering for buildings, plants, and infrastructure.
Develop and design high-voltage primary systems for substations, ensuring compliance with AS/NZS standards and safety regulations.
17d ago
Intermediate (4-7 years)
Contractor
Sydney, New South Wales, Australia
Office Full-Time
Company Size
6,454 Employees
Service Specialisms
Oil & gas
Petrochemical
Power plant
Engineering
Procurement and construction
Building & housing
Civil
Renewable energy
Sector Specialisms
Energy
Infrastructure
Environmental projects
Civil engineering
Building construction
Plant construction
Housing development
Architecture
Role
What you would be doing
integrated design
equipment layouts
risk assessment
load flow
insulation coordination
equipment design
  • Liaise with suppliers and contractors to ensure equipment meets technical and quality requirements
  • Collaborate with secondary, civil, and telecommunication teams for integrated substation design
  • Prepare single-line diagrams, equipment layouts, and specifications for primary systems
  • Review and update design documentation to reflect as-built conditions and project changes.
  • Conduct risk assessments and ensure designs comply with safety and environmental regulations
  • Perform load flow, short-circuit, and insulation coordination studies using software like ETAP or PSS/E
  • Provide technical support during construction, commissioning, and testing phases
  • Develop detailed designs for high-voltage primary equipment, including transformers, circuit breakers, and busbars, ensuring alignment with AS/NZS standards
What you bring
bachelor’s
tender
chartered
substation design
project management
autocad

We are seeking a skilled Substation Primary System Design Engineer to join us in an upcoming joint venture tender, based in Sydney - North. This will be a 6-10 month role scope, with potential to extend into project delivery. Employment terms are negotiable.

  • Bachelor’s degree in Electrical Engineering or equivalent
  • Experience within major project tenders (highly desired)
  • Professional engineering chartership or registration (highly desired)
  • Minimum of 5 years' experience in substation primary system design
  • Proven ability to manage complex design projects and meet deadlines
  • Proficiency in design software such as AutoCAD, ETAP, or PSS/E.
Benefits
Information not given or found
Training + Development
Information not given or found
Interview process
Information not given or found
Visa Sponsorship
Information not given or found
Security clearance
  • safety and environmental regulations compliance check
Company
Overview
Founded in 1969
Year of establishment
The company was established to become a global engineering and construction powerhouse.
20+ Countries
Global footprint
Operates in over 20 countries, showcasing international reach and influence.
$9.4 Billion
Annual Revenue
Projects significant financial success and market presence in the global construction industry.
AUD 1.7 Billion
Major Contract
Secured a large-scale contract for Australia's Suburban Rail Loop East project.
  • Operates across heavy civil works, including roads, bridges, railways, ports, and urban metro systems.
  • Experts in constructing oil & gas, petrochemical, power (nuclear and thermal), and water treatment facilities.
  • Specializes in building office complexes, hospitals, sports centers, shopping hubs, and residential developments.
  • Expanding into modular housing and smart-tech infrastructure, blending tradition with innovation.
Culture + Values
  • Vision: Grow Sustainably – as a company, as people, as a planet with finite resources.
  • Mission: Deliver human‑centred solutions for a better tomorrow.
  • Value: Partnering – harness sustainable, cooperative relationships with clients, partners and communities.
  • Value: Growing With Our People – shared passion drives achievement and global success.
  • Value: Creating Solutions – value innovation through technical capability and problem‑solving.
  • Value: For Our Shared Future – commitment to sustainable social, environmental and governance outcomes.
Environment + Sustainability
2050 Target
Net-Zero Goal
Focus on achieving carbon neutrality by 2050 through comprehensive sustainability initiatives.
10.62% by 2030
Emissions Reduction
Aims to reduce greenhouse gas emissions by 10.62% by 2030 as part of broader sustainability efforts.
31.86% by 2050
Long-Term Emissions Target
Ambitious goal to reduce greenhouse gas emissions by 31.86% by 2050, aligning with global climate objectives.
  • Established Sustainability Management Committee and ESG strategy.
  • Implemented eco‑friendly construction: renewable energy adoption, energy efficiency, waste and materials management.
  • Developed and deployed eco‑friendly technologies: carbon capture & storage, waste‑to‑energy, biomass power, battery recycling.
  • Energy business focused on transmission, wind, solar, pumped hydro, battery storage supporting renewable integration.
Inclusion & Diversity
March 2021
First Female Director
First female outside director appointed to the Board.
April 2021
ESG Committee Established
ESG Committee established under the Board to support governance including diversity.
Zero-accident
Workplace Safety
Maintained a zero-accident record through systematised reviews, patrols, and IT safety systems.
  • Implemented fair HR practices and coexistence with subcontractors.
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