Senior Systems Administrator - Windows, SQL & Cloud
Location:
Brisbane,****
Contract:
14 September **** to 12 September ****
Rate:
$****** per hour + 12% superannuation
Hours:
Up to 40 hours per week
Working arrangement:
Hybrid, with a minimum of 50% office attendance per fortnight
The opportunity
We are seeking an experienced Senior Systems Administrator to join an established Application Hosting team supporting business-critical applications within a large enterprise environment.
You will play a key role in supporting and enhancing the Windows, SQL Server and web-hosting platforms that underpin essential business applications.
The position combines hands‐on systems administration, operational support, automation, cloud infrastructure, project delivery and technical leadership. It would suit an experienced Microsoft infrastructure professional who enjoys improving enterprise platforms and developing solutions through PowerShell, Terraform and modern DevOps practices.
Key responsibilities
In this role, you will:
Administer Windows, SQL and web‐server environments, including provisioning, configuration, monitoring and support
Support Windows Server, SQL Server *********, IIS and related Microsoft hosting technologies
Administer Microsoft monitoring and configuration‐management platforms, including alerts, system monitoring, patching and deployments
Manage Active Directory services, including Group Policy, security groups and identity administration
Support Azure and AWS infrastructure, including virtual machines, EC2, Azure SQL PaaS and SQL Managed Instance
Maintain the stability, reliability, availability and performance of supported platforms
Troubleshoot incidents and resolve day‐to‐day operational issues
Develop and maintain PowerShell scripts, Azure Automation Runbooks, Terraform code and GitHub Actions workflows
Use GitHub to store, manage and version‐control scripts and infrastructure code
Produce and maintain procedural, technical and system documentation
Identify and implement improvements to system performance, reliability and operational efficiency
Lead or contribute to infrastructure upgrades, platform migrations and new technology implementations
Produce system‐design documentation across the team's technology stack




Assess emerging technologies and contribute to strategic platform planning
Provide technical guidance, mentoring and knowledge sharing to team members
Collaborate with technical teams and stakeholders to deliver reliable, high‐quality services
To be successful, you will demonstrate:
Strong experience supporting and administering Microsoft SQL Server
Experience supporting enterprise web‐hosting environments, including IIS
Intermediate to advanced PowerShell scripting skills
Experience writing scripts that include conditional logic, functions, testing and error handling
Experience using GitHub for source control and script management
Robust troubleshooting and structured problem‐solving capabilities
The ability to manage multiple priorities and meet deadlines
The ability to work effectively both independently and within a technical team
Robust written and verbal communication skills
The ability to explain technical information to both technical and non‐technical stakeholders
A commitment to documentation, mentoring and knowledge sharing
Highly desirable
Experience or knowledge across any of the following will be viewed favourably:
Microsoft Azure infrastructure and platform services
Azure virtual machines, Azure SQL PaaS and SQL Managed Instance
Amazon Web Services, including EC2
Terraform and infrastructure as code
GitHub Actions
CI/CD pipelines and DevOps methodologies
Git workflows and version‐control practices
Microsoft monitoring, configuration and deployment tools
Enterprise infrastructure upgrades and migrations
System design and technical architecture documentation
Microsoft Certified: Azure Solutions Architect
AWS Certified Solutions Architect
Candidates are not expected to have experience across every desirable technology. The team will support the successful candidate in strengthening relevant knowledge gaps.
Leadership and working style
As a senior member of the team, you will be expected to:




Prioritise projects and operational tasks in line with team commitments
Remain constructive and focused during periods of change or uncertainty
Use data and technology to identify opportunities for greater efficiency
Exercise sound judgement and elevate issues when appropriate
Mentor and support other technical team members
Build effective relationships across technical and business teams
Communicate clearly and adjust technical messages for different audiences
Take accountability for outcomes, risk management and continuous improvement
Contribute to a safe, inclusive and collaborative workplace
Working arrangements
Flexible working arrangements are available, subject to operational requirements and agreement between all parties.
The successful contractor will be required to:
Attend the primary Brisbane office on the team's anchor days of Monday and Friday
Meet a minimum office‐attendance requirement of 50% per fortnight
Attend other approved offices, project workshops or customer locations when required
Travel to other sites within Queensland where necessary
Maintain stable and reliable internet connectivity when working remotely
Comply with workplace health and safety requirements when working from home or another approved location
Hours, maintenance and on‐call requirements
The contractor will work up to 40 ordinary hours per week and must not exceed this without prior approval.
The role participates in an operational duty roster, which may include:
Morning roster: 7:30 am to 12:30 pm
Afternoon roster: 12:30 pm to 5:30 pm
The successful candidate will also be required to:
Perform scheduled system‐maintenance activities outside ordinary business hours
Participate in a rotating after‐hours on‐call roster
Provide 24/7 on‐call coverage during an allocated one‐week roster period
Perform approved after‐hours work in addition to ordinary working hours
Paxus values diversity and welcomes applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability. If you require an adjustment to the recruitment process, including the application form in an alternate format, please contact me on the above contact details.
#J-*****-Ljbffr

📌 Senior Systems Administrator (Queensland)
🏢 Paxus
📍 Queensland