In-Demand Network support senior specialist Jobs in Sydney Nsw

Network Support Senior Specialist
NTT Ltd —Sydney NSW
- On call
- Hybrid work
- Leadership
Senior Network & Security Specialist
HCF —Sydney NSW
- Full-time
- Computer science
- Azure
- Computer Science
- Parental leave
- Pet insurance
Senior Director, Network Regulation
Optus —Sydney NSW
- Hybrid work
- Engineering
- Leadership
- Negotiation
- Parental leave
- Employee discount
EOI | FDD Transaction Services Specialist | Manager / Senior Manager | Deals
PWC Australia —Sydney NSW
- Finance
- Master's degree
- Business Administration
- Annual leave
- Parental leave
Cybersecurity Specialist
wentworth institute of higher education —Surry Hills NSW
- $90,000 - $110,000 a year
- Full-time
- Writing skills
- Master's degree
- Administrative experience
Quick Apply
7d
Senior Associate / AVP Project Finance Specialist, Institutional Banking Group, DBS Australia (Sydney)
DBS Bank —Sydney NSW
- Full-time
- Research
- Finance
- Analysis skills
Sr. Technical Support Specialist (Fluent in Mandarin)
OpenText —North Sydney NSW
- Rotating roster
- Salesforce
- Engineering
- SQL
Senior Project Officer
Energy Corporation of NSW —Sydney NSW
- $129,464 - $142,665 a year
- Full-time
- Hybrid work
- Management
- Analysis skills
- No degree
14d
Senior Transport and Distribution Specialist
MANN+HUMMEL —Pymble NSW
- Microsoft Powerpoint
- Microsoft Excel
- Microsoft Office
Quick Apply
14d
Claims Technical Specialist
TAL —Sydney NSW
- Full-time
- Hybrid work
Quick Apply
Senior Manager, Integrated Operations Center – APAC
IREN —Sydney NSW
- Full-time
- Management
- Computer Science
- Bachelor's degree
- Annual leave
Aftersales Network Planning Specialist
BYD Australia —Macquarie Park NSW
- Microsoft Excel
- Data analysis skills
- Analysis skills
Senior Portfolio Specialist
Transport For NSW —Mascot NSW
- $158,393 - $177,399 a year
- Full-time
- Analysis skills
7d
Senior Project Records and Information Officer
Energy Corporation of NSW —Sydney NSW
- $129,464 - $142,665 a year
- Full-time
- Hybrid work
- No degree
- SharePoint
7d
Snr Project Records and Information Off
Energy Corporation of NSW —Sydney NSW
- $129,464 - $142,665 a year
- Full-time
- Hybrid work
- No degree
- SharePoint
12d
IT Support Representative
King Living —Turrella NSW
- Full-time
- Software troubleshooting
- Customer service
- Communication skills
Quick Apply
12d
Chief Psychiatrist- Staff Specialist Apply via eCredential
Health System Support Group —Sydney NSW
- $197,583 - $243,822 a year
- Full-time
- Hybrid work
- Analysis skills
- Leadership
- Communication skills
12d
Senior Databricks Specialist Lead | AI & Data | Sydney
Deloitte —Sydney NSW
- Azure
- Salesforce
- SQL
- Parental leave
Senior Fibre Network Designer
Vocus —North Sydney NSW
- Full-time
- Hybrid work
- AutoCAD
- CAD
- Communication skills
- Parental leave
- Fuel discount
Quick Apply
Sr Program Controls Specialist
Honeywell —North Ryde NSW
- Full-time
- Microsoft Powerpoint
- Microsoft Excel
- Microsoft Outlook

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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.

Apply Now

Refine Your Search

network support senior specialist jobs in sydney nsw

Network Support Senior Specialist

Senior Network & Security Specialist

Senior Director, Network Regulation

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

Cybersecurity Specialist

Senior Associate / AVP Project Finance Specialist, Institutional Banking Group, DBS Australia (Sydney)

Sr. Technical Support Specialist (Fluent in Mandarin)

Senior Project Officer

Senior Transport and Distribution Specialist

Claims Technical Specialist

Senior Manager, Integrated Operations Center – APAC

Aftersales Network Planning Specialist

Senior Portfolio Specialist

Senior Project Records and Information Officer

Snr Project Records and Information Off

IT Support Representative

Chief Psychiatrist- Staff Specialist Apply via eCredential

Senior Databricks Specialist Lead | AI & Data | Sydney

Senior Fibre Network Designer

Sr Program Controls Specialist

I want to receive the latest job alert for network support senior specialist in sydney nsw

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