In-Demand Network security administrator Jobs in Sydney, Nsw

System Administrator (Hybrid)
Imagine Communications —Belrose NSW
- Full-time
- Azure
- Management
- Salesforce
System Administrator 2 - Sydney, Australia
M.C. Dean, Inc —Sydney NSW
- Weekend availability
- Senior Secondary Certificate of Education
- Bachelor's degree
- Associate degree
- Tuition reimbursement
Health Info Services Officer
Prince of Wales Private Hospital —Sydney NSW
- Full-time
- Microsoft Word
- Microsoft Excel
- Customer service
9d
Administrator
Perpetual Limited —Sydney NSW
- Full-time
- Hybrid work
- Salesforce
- Administrative experience
- SharePoint
- Work from home
2d
Data and Systems Administrator
My NRMA —Sydney Olympic Park NSW
- Contract
- Hybrid work
- Microsoft Word
- Microsoft Excel
- Administrative experience
- Work from home
- Fuel discount
Quick Apply
Database Administrator
TAFE NSW —South Sydney NSW
- $116,219 - $125,157 a year
- Full-time
- Azure
- Databases
- Administrative experience
4d
Salesforce Technical Architect
KPMG Australia —Sydney NSW
- Full-time
- Salesforce
- Bachelor's degree
- Parental leave
Quick Apply
Assoc Network Engineer
Universal Music Group —Sydney NSW
- Full-time
- English
Senior Systems Administrator (OpenShift/Kubernetes SME)
NSW Police Force —Parramatta NSW
- $149,739 - $156,088 a year
- Full-time
- Administrative experience
- Scripting
- AI
1d
IT Operations Specialist
Q-CTRL —Sydney NSW
- Full-time
- Azure
- Management
- AI
Salesforce Technical Architect
KPMG —Sydney NSW
- Full-time
- Salesforce
- Bachelor's degree
- Parental leave
Claims Consultant - Retail Income Protection Claims
TAL —Sydney NSW
- Full-time
- Customer service
- Time management
Quick Apply
Senior Solutions Engineer
Okta —Sydney NSW
- Management
- Computer Science
- Engineering
Cloud Data Service Administrator
BDO —Sydney NSW
- Full-time
- Azure
- SQL
- Communication skills
- Health insurance
- On-the-job training
Database Administrator (SQL Server)
HotSchedules Corporate —Bondi Junction NSW
- Full-time
- Azure
- Databases
- SQL
Senior Claims Consultant - Retail Income Protection Claims
TAL —Sydney NSW
- Full-time
- Hybrid work
- Customer service
- Time management
Quick Apply
Azure Systems Administrator
Smart Communications —Sydney NSW
- Azure
- DevOps
- AWS
- Gym membership
Senior Claims Consultant - REST
TAL —Sydney NSW
- Full-time
- Microsoft Excel
- Time management
Quick Apply
Senior Specialist, Sales Administration
Mastercard —St Leonards NSW
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Payroll Officer
Jensen Hughes —Sydney NSW
- Microsoft Word
- Microsoft Excel
- Research
- Annual leave
- Parental leave

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network security administrator jobs near sydney, nsw

System Administrator (Hybrid)

Imagine Communications -
Belrose NSW

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Job Details

Full-time

Qualifications

Jira
Azure
Management
Incident management
Salesforce
AWS
Analysis skills
ITIL

Full Job Description

Overview:

Every day, Imagine Communications delivers billions of media moments all over the world - anywhere, anytime and on any device. Imagine Communications delivers innovative, end-to-end media software and networking solutions to over 3,000 customers in more than 185 countries, including the top broadcast facilities and the most technologically advanced sports and live-event venues.

A Bit About The Role:

This is a full-time role based in Sydney, Australia,. The primary responsibility of the Professional Services System Administrator (CNOC responsibilities) is to provide ongoing support of Imagine’s AdTech products APAC region, while also providing Global support. The System Administrator will provide proactive system and network support across multiple client environments. Working within the Customer Network Operations Centre (CNOC), you will monitor and manage infrastructure performance, respond to incidents, and ensure the delivery of high-availability services in line with contractual SLAs. The role requires a blend of technical expertise, customer awareness, and strong incident management capability.

Administer, maintain, and support client systems including Windows Server & Linux and cloud environments (Azure/AWS).
Carry out scheduled maintenance, patching, and upgrades with minimal disruption to client services.
Manage storage, backups, and disaster recovery testing per client contracts.
Implement and document configuration changes following change management processes. CNOC Operations
Monitor multi-tenant infrastructure using CNOC tools (e.g., Datadog & LogicMonitor).
Proactively identify and investigate performance or availability issues across client networks and systems.
Handle alerts, incidents, and escalations in line with SLA priorities, ensuring timely resolution or escalation to specialist teams.
Collaborate with network engineers, security analysts, and service desk teams to maintain client environments.
Contribute to root cause analysis, service improvement plans, and operational reporting. Customer Focus and Documentation
Maintain a clear and professional communication channel with clients throughout incident lifecycles.
Accurately update ticketing and monitoring systems (e.g., SalesForce & Jira) with incident details and resolution steps.
Develop and maintain technical documentation, procedures, and knowledge base articles to support first-time fix success.

About You:

Experience in a Managed Service Provider environment, supporting multiple clients remotely.
Solid understanding of networking fundamentals.
Strong experience with AWS.
Experience with Salesforce and Jira.
Proficiency with server and network monitoring tools and automation platforms.
Familiarity with ITIL framework and SLA-driven service management.
Strong diagnostic and analytical skills under pressure.

Personal Attributes

Service-oriented mindset with a commitment to customer satisfaction.
Excellent time management and multitasking in a high-volume operational environment.
Clear communicator, both written and verbal, with strong teamwork and collaboration skills.
Adaptable and dependable, comfortable with shift-based work or after-hours support.
Willingness to learn about new products and solutions and become a part of the Imagine solution for those AdTech products

Celebrating difference, together stronger

At Imagine Communications, we don’t just accept difference — we celebrate it, we support it, and we thrive on it for the benefit of our customers, our employees, our products, and our communities. We are committed to providing an environment of mutual respect. Imagine Communications is proud to be an equal opportunity workplace and is an affirmative action employer.

Apply Now

Refine Your Search

network security administrator jobs in sydney, nsw

System Administrator (Hybrid)

System Administrator 2 - Sydney, Australia

Health Info Services Officer

Administrator

Data and Systems Administrator

Database Administrator

Salesforce Technical Architect

Assoc Network Engineer

Senior Systems Administrator (OpenShift/Kubernetes SME)

IT Operations Specialist

Salesforce Technical Architect

Claims Consultant - Retail Income Protection Claims

Senior Solutions Engineer

Cloud Data Service Administrator

Database Administrator (SQL Server)

Senior Claims Consultant - Retail Income Protection Claims

Azure Systems Administrator

Senior Claims Consultant - REST

Senior Specialist, Sales Administration

Payroll Officer

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