In-Demand Senior network specialist Jobs in St Leonards, Nsw

Network Support Senior Specialist
NTT Ltd —Sydney NSW
- On call
- Hybrid work
- Leadership
Senior Microsoft 365 / Intune Specialist
FOUR NINES PTY LTD —Norwest NSW
- Full-time
- Hybrid work
- Azure
- SharePoint
Quick Apply
Senior Transport and Distribution Specialist
MANN+HUMMEL —Pymble NSW
- Microsoft Powerpoint
- Microsoft Excel
- Microsoft Office
Quick Apply
Senior Accounts Payable Specialist
EG Australia —Sydney NSW
- Contract
- Remote
- Microsoft Excel
- Customer service
- ERP systems
- Work from home
7d
Senior Cluster iT Specialist
Marriott International, Inc —Sydney NSW
- Full-time
- Hospitality
- Microsoft Outlook
- Management
Senior Ecommerce Operations Specialist
Luxottica Retail Aust Pty Ltd —North Sydney NSW
- Full-time
- Hybrid work
- Analysis skills
- Hotel experience
Senior Specialist, Technical Product Enablement and Sales - Digital Issuing
Mastercard —St Leonards NSW
- Full-time
- Microsoft Powerpoint
- Microsoft Excel
- Sales
12d
Senior Credit Specialist
Brighte Capital —Sydney NSW
- Full-time
- AI
- Communication skills
- Free food
9d
Senior Communications Specialist
Seven West Media —Sydney NSW
- Full-time
- Communication skills
- Parental leave
Senior Specialist, Corporate Planning and Performance
Transport For NSW —Mascot NSW
- $163,145 - $182,721 a year
- Full-time
- Data analysis skills
- Analysis skills
- Leadership
AE4 - AEE1 Business Administration and Financial Management Officers, Vetting Authority
ASIO —Sydney NSW
- $91,522 - $157,637 a year
- Call employer
- Research
- Analysis skills
- Organisational skills
- Annual leave
- Employee assistance program
Senior Aviation Strategy Specialist
Transport For NSW —Milsons Point NSW
- $163,145 - $182,721 a year
- Full-time
- Leadership
6d
Senior Contact Centre Specialist
Optus —Macquarie Park NSW
- Management
- AWS
- Communication skills
- Parental leave
7d
Senior Program Compliance Specialist
Optus —Sydney NSW
- Analysis skills
- Communication skills
- Parental leave
- Employee discount
2d
Senior Technical Specialist - Cloud
Optus —Macquarie Park NSW
- AWS
- Communication skills
- Parental leave
- Employee discount
EOI | FDD Transaction Services Specialist | Manager / Senior Manager | Deals
PWC Australia —Sydney NSW
- Finance
- Master's degree
- Business Administration
- Parental leave
Senior Manager - Financial Reporting Specialist Lead
EY —Sydney NSW
- Recruiting
- Organisational skills
- Leadership
- Parental leave
Senior Claims Specialist
Gen Re —Sydney NSW
- Hybrid work
- Leadership
- Communication skills
- Health insurance
23h
SVP Client Delivery & Regional Lead APAC
Accommodations Plus International —Mascot NSW
- Full-time
- Bilingual
- Sales
- Marketing
Quick Apply
13d
Senior Specialist, Product Enablement and Sales
Mastercard —St Leonards NSW
- Full-time
- Sales
- Financial services
- Communication skills
12d

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senior network specialist jobs near st leonards, nsw

Network Support Senior Specialist

NTT Ltd -
Sydney NSW

Apply Now

Job Details

Qualifications

LAN
IT infrastructure
Network protocols
WAN
Leadership

Full Job Description

Req ID: 368521

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Network Support Senior Specialist to join our team in Sydney, New South Wales (AU-NSW), Australia (AU).

Mid to Senior-Level Network Operations Specialist

The Mid to Senior-Level Network Operations Specialist is a critical member of the IT Infrastructure team, responsible for overseeing the operational performance, availability, and scalability of enterprise-wide network systems. This position combines hands-on technical expertise with operational leadership to ensure the secure, reliable, and optimal delivery of networking services across data centers, branch offices, cloud environments, and remote users.

Operating at a senior technical tier, the role requires deep knowledge of networking protocols and architectures, advanced troubleshooting capabilities, and the ability to guide and mentor junior team members. The ideal candidate brings a proactive mindset to monitoring, incident response, and continuous improvement of network operations while contributing to architectural decisions and strategic infrastructure planning.

Key Responsibilities

Manage and maintain complex LAN/WAN environments, including routers, switches, firewalls, SD-WAN, and wireless infrastructure.
Serve as an escalation point for high-severity incidents and conduct end-to-end root cause analysis to prevent recurrence.
Lead the deployment and optimization of enterprise network monitoring tools
Implement and enforce network security best practices in collaboration with cybersecurity and compliance teams.
Coordinate and execute planned maintenance, firmware upgrades, configuration changes, and network migrations.
Analyze network capacity trends and recommend improvements to support scalability and performance optimization.
Support change management processes, including scheduled maintenance, upgrades, and network reconfigurations.
Participate in network design discussions and contribute to architectural decisions that align with business goals.
Document technical processes, develop standard operating procedures (SOPs), and mentor junior network staff.
Support incident, problem, and change management processes in accordance with ITIL standards.

Participate in a 24/7 on-call rotation or provide senior-level oversight during cr

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in RD.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, https://us.nttdata.com/en/contact-us.

NTT DATA endeavors to make https://us.nttdata.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-us. This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here. If you'd like more information on your EEO rights under the law, please click here. For Pay Transparency information, please click here.

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Refine Your Search

senior network specialist jobs in st leonards, nsw

Network Support Senior Specialist

Senior Microsoft 365 / Intune Specialist

Senior Transport and Distribution Specialist

Senior Accounts Payable Specialist

Senior Cluster iT Specialist

Senior Ecommerce Operations Specialist

Senior Specialist, Technical Product Enablement and Sales - Digital Issuing

Senior Credit Specialist

Senior Communications Specialist

Senior Specialist, Corporate Planning and Performance

AE4 - AEE1 Business Administration and Financial Management Officers, Vetting Authority

Senior Aviation Strategy Specialist

Senior Contact Centre Specialist

Senior Program Compliance Specialist

Senior Technical Specialist - Cloud

EOI | FDD Transaction Services Specialist | Manager / Senior Manager | Deals

Senior Manager - Financial Reporting Specialist Lead

Senior Claims Specialist

SVP Client Delivery & Regional Lead APAC

Senior Specialist, Product Enablement and Sales

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