In-Demand System administrator infrastructure Jobs in Sydney, Nsw

Project Administrator
Ertech —Sydney NSW
- Full-time
- Microsoft Excel
- Administrative experience
- Construction experience
- Referral program
Senior Systems Administrator
Light & Wonder —Silverwater NSW
- Full-time
- Azure
- Management
- Computer Science
- Parental leave
Administrative Specialist
KBR —Matraville NSW
- Full-time
- Microsoft Office
- Administrative experience
- SharePoint
- Health insurance
- Parental leave
4d
Accounts Administrator
Fulton Hogan —Mascot NSW
- Full-time
- Microsoft Excel
- ERP systems
- Health insurance
- Parental leave
Contract Administrator
TransGrid —Sydney NSW
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook
- Parental leave
8d
Salesforce Administrator (AU Citizen with NV1 Security Clearance)
Accenture —Sydney NSW
- Full-time
- Salesforce
- Writing skills
- Data analysis skills
PostgreSQL Database Administrator
Darumatic —Sydney NSW
- Contract
- Remote
- Management
- Databases
- Administrative experience
ServiceNow Administrator
Thales —Barangaroo NSW
- Full-time
- Hybrid work
- CAD
- Communication skills
- Parental leave
4d
Systems Administrator (AU)
DroneShield Limited —Sydney NSW
- Full-time
- Management
- Administrative experience
Quick Apply
6d
IT Infrastructure Engineer
Multiplex —Sydney NSW
- Full-time
- Computer science
- Azure
- Computer Science
- Parental leave
Senior Contracts Administrator
DCOH —Sydney NSW
- Full-time
- Engineering
- Master's degree
- Administrative experience
Quick Apply
System Administrator - ServiceNow
Reserve Bank of Australia —Sydney NSW
- Full-time
- Hybrid work
- Administrative experience
6d
Cloud Infrastructure Engineer
Transport For NSW —Macquarie Park NSW
- $141,678 - $158,677 a year
- Full-time
- Azure
- DevOps
- Scripting
3h
Support Specialist, IT
The Royal Australasian College of Physicians —Sydney NSW
- Full-time
- Hybrid work
- Azure
- Customer service
- AWS
- Parental leave
- Employee assistance program
6d
Contract Administrator
Ventia Pty Limited —Frenchs Forest NSW
- Full-time
- Microsoft Office
- Administrative experience
- Communication skills
- Health insurance
- Employee assistance program
Contract Administrator / Commercial Officer
CJC Management —North Sydney NSW
- Full-time
- Civil engineering
- Microsoft Office
- Administrative experience
Senior Infrastructure Engineer
Yunex Traffic —Rydalmere NSW
- Full-time
- Computer Science
- Administrative experience
- Analysis skills
Technical Services Analyst
Healius Corp. —Sydney NSW
- Full-time
- Computer Science
- Education
- Bachelor's degree
- Health insurance
- Employee assistance program
8d
Senior Infrastructure Engineer
Propeller —Sydney NSW
- Full-time
- Hybrid work
- AWS
- AI
- Parental leave
Quick Apply
Special Services Accounting Administrator
FedEx AMEA —Botany NSW
- Full-time
- No experience needed
- Finance
- Analysis skills

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Project Administrator

Ertech -
Sydney NSW

Apply Now

Job Details

Permanent | Full-time

Benefits

Employee rewards program
Referral program
Insurance services

Qualifications

Microsoft Excel
Administrative experience
Construction experience
Leadership
Communication skills

Full Job Description

Job no: 493528
Work type: Permanent - Full time
Location: Sydney
Categories: Administration

ABOUT US

Ertech is a proudly employee-owned Australian civil and electrical construction company, delivering high-quality services across the Transport, Infrastructure, Resources, and Defence sectors. We partner with clients in both the public and private sectors, including state and federal governments. Since our humble beginnings in 1981, we’ve built a strong reputation for the quality of our work and the long-term relationships we foster — all driven by our core values of collaboration, courage, and authenticity.

ABOUT THE ROLE

We are seeking an experienced Project Administrator to join our NSW team and contribute to the delivery of a major Transport and Infrastructure project.

Initially based in our Macquarie Park office, this role will transition to the project site from August, where you will become a key member of the team delivering the Heathcote Road Overtaking Lane Project.

Reporting to the Project Director, you will be responsible for coordinating project administration activities, maintaining site-based accounting and administrative systems, and supporting the implementation of cost control and cost-tracking processes. This role plays an important part in ensuring the efficient and successful delivery of the project.

Other key responsibilities include, but not limited to:

Maintain and administer project cost control, procurement, accounting, and administrative systems in accordance with company policies and procedures.
Coordinate invoice processing, subcontractor onboarding, and project financial administration to ensure accurate and timely outcomes.
Provide project support including mobilisation logistics, record management, document control, and maintenance of project personnel records.
Support project teams by communicating project information, responding to stakeholder enquiries, and assisting with project meetings and reporting requirements.
Maintain compliance with company business systems, HSE requirements, archiving standards, and confidentiality obligations.
Contribute to project and organisational objectives by providing administrative support during peak periods, audits, staff leave coverage, and other business requirements as needed.

To be successful, you will have experience and demonstrate capability in the following:

Demonstrated experience in a Project Administration, Mobilisation, or Workforce Planning role within the construction sector.
Proficient in InEight Teambinder.
Adaptable and flexible, with the ability to respond to evolving project demands and priorities.
Excellent interpersonal and communication skills, with a collaborative and solutions-focused approach.
Advanced proficiency in Microsoft Excel and other relevant project or workforce management software.
MUST hold valid Australian Working Rights

WHY JOIN ERTECH?

At Ertech, we’re committed to investing in our people and creating a workplace where you can thrive. Here’s what you can look forward to:

Competitive remuneration that reflects your skills and experience
Metro-based project – enjoy the benefit of being home every night
Supportive, team-oriented culture where collaboration and respect are valued
Play a key role in shaping the growth and success of our projects
Career development and progression opportunities, annual performance development plans.
Access to great benefits, including:
- Discounted Private Health Insurance (HBF & Medibank)
- Annual flu vaccinations
- Novated leasing options through Paywise
- Service recognition and milestone rewards
- Employee Referral Program incentives

OUR CULTURE

At Ertech, our people are fundamental to our success. We're focused on creating an inclusive workplace, with the right people in the right roles, who are engaged, empowered, and appropriately rewarded. Ertech will provide you with the chance to be a part of great team, meet new people and gain experience with an industry leader who puts safety first.

DIVERSITY & INCLUSION

We value the unique backgrounds, experiences, and perspectives of all people and actively encourage applications from First Nations peoples, all genders, culturally and linguistically diverse individuals, people with disability, LGBTQIA+ community members, and veterans of the Australian Defence Force.

Ertech is a proud Veteran Employment supporter. We recognise the valuable skills and leadership that veterans bring to our industry and welcome their applications at all levels of the business. Even if you don’t meet every requirement listed, we encourage you to apply and bring your strengths to our team.

HOW TO APPLY

This is an incredible opportunity! If you are looking for a position in an environment in which you can flourish whilst building your career, there is no better time to join the Ertech Team than now!

Please note: This role is being sourced through Ertech directly and we will not accept applications via external recruitment agencies.

Advertised: 24 Jun 2026 AUS Eastern Standard Time
Applications close: 24 Jul 2026 AUS Eastern Standard Time

Apply Now

Refine Your Search

system administrator infrastructure jobs in sydney, nsw

Project Administrator

Senior Systems Administrator

Administrative Specialist

Accounts Administrator

Contract Administrator

Salesforce Administrator (AU Citizen with NV1 Security Clearance)

PostgreSQL Database Administrator

ServiceNow Administrator

Systems Administrator (AU)

IT Infrastructure Engineer

Senior Contracts Administrator

System Administrator - ServiceNow

Cloud Infrastructure Engineer

Support Specialist, IT

Contract Administrator

Contract Administrator / Commercial Officer

Senior Infrastructure Engineer

Technical Services Analyst

Senior Infrastructure Engineer

Special Services Accounting Administrator

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