Senior Network Engineer (L4)

NTT Communications; Wellington; On-site; NZD 120,000 - 180,000; Full time

Job summary

NTT DATA in Wellington seeks a Senior Network Engineer (L4) to ensure client IT infrastructure remains operational through proactive management and rapid escalation handling. You will review tickets, apply technical knowledge for immediate and lasting resolutions, and operate across Cloud, Security, Networking, and Applications domains.

Ideal candidates bring Advanced MSP experience, strong incident resolution skills, and a proven ability to coordinate complex changes and disaster recovery

Qualifications

• Bachelor's degree in IT/Computing or equivalent work experience.
• Advanced MSP experience with complex cross-technology infrastructure.
• Experience using ServiceNow and managing vendor relationships.
• Experience across multiple technology domains and IT industry standards.

Responsibilities

• Resolve escalated incidents and requests within the defined SLA.
• Provide forth level support, identify root causes and document findings.
• Share knowledge and coach other engineers to prevent recurrence.
• Support change implementation and disaster recovery efforts.

Skills

Advanced MSP experience

Incident resolution

Problem diagnosis

Team mentoring

Education

Bachelor's degree in IT/Computing

Tools

ServiceNow

Vendor management

Job description

NTT Communications – Wellington, North Island

Make an impact with NTT DATA

Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

Your day at NTT DATA

Senior Network Engineer (L4) is an advanced engineering role, responsible for ensuring a managed service is provided to all clients, to ensure that their IT infrastructure and systems remain operational. This is done through proactively managing, overseeing, monitoring, investigating, and resolving escalated technical incidents and problems to ensure the restoration of these services to the clients.

The primary objective of this role is to proactively review all client requests or tickets and apply technical process knowledge to provide the clients with almost immediate resolution without breaching service level agreement (SLA).

This role focuses on forth line support for escalated incidents and requests with a high level of complexity. Ensures contracted Managed Services outcomes are delivered to the client.

This is a strategic role focusing across two or more technology domains such as (but not limited to) Cloud, Security, Networking, Applications and / or Collaboration.

This role may also contribute to / support on project work as and when required.

As a Senior Network Engineer (L4), you will ensure our clients' IT infrastructure and systems remain operational by proactively managing, overseeing, and resolving escalated technical incidents. Your day will revolve around reviewing client requests or tickets and leveraging your technical knowledge to provide immediate and permanent resolutions, all while maintaining adherence to our service level agreements (SLAs).

Working across two or more technology domains such as Cloud, Security, Networking, Applications, or Collaboration, you'll provide fourth-line support for complex issues that lower-level teams couldn't resolve. Your role involves investigating issues in advance, documenting your solutions, and sharing insights to empower other engineers.

You’ll play an integral role in ensuring that contracted Managed Services outcomes are delivered to clients promptly, participating in change implementation tracking, and communicating effectively with other teams and clients. As an emergency support contact, you’ll be essential for critical client and business-impacting issues.

In addition to addressing escalated incidents, you’ll contribute to, and support project work as needed, optimizing DATA storage and implementing disaster recovery functions. By continuously updating and improving our processes, you’ll help us drive automation and efficiency across our operations.

To thrive in this role, you need to have:

• Deep technical skills in relevant functions and a passion for exceeding client expectations.
• Advanced Managed Services experience handling complex cross-technology infrastructure.
• Familiarity with ticketing tools like ServiceNow and extensive vendor management experience.
• Advanced experience in multiple technology domains and an understanding of IT industry standards and emerging trends.
• Excellent change management skills, capable of planning and executing changes with clear risk identification and mitigation.
• Proficiency in listening techniques and client‑focused interaction to ensure a positive client journey.
• Ability to communicate and work effectively across different cultures and social groups.
• Resilience under pressure and a positive outlook at work.
• A bachelor's degree in IT/Computing or equivalent work experience.

Key Responsibilities:

• Works independently, with general direction from the client, stakeholders, team lead, or senior manager, to perform operational tasks to resolve all escalated incidents/requests in a timely manner within the agreed SLA.
• Timely and consistent updates of tickets with resolution tasks performed.
• Proactively identifies, investigates, analyses issues and errors prior to or when they occur and log all such incidents in a timely manner.
• Captures all required and relevant information for immediate resolution.
• Provides forth level support to all escalated incidents, requests and identify the root cause of incidents and problems, respond to tickets where third line engineer teams were unable to fix the problem.
• Shares such knowledge, to resolve issues, document them, and push the knowledge down to other engineers.
• Communicates with other teams and clients for extending support. Acts as emergency support contact as needed, for critical client and business-impacting issues.
• Supports, tracks, and documents change implementation.
• Provides timely escalation of all tickets to management with ensuing updates, where applicable.
• Proactively identifies, contributes, implements and works with automation teams for effort optimization and automating routine tasks.
• Systematically gathers relevant information and applies technical knowledge to analyze and uses highly technical troubleshooting tools and content and analytical practices.
• Uses operational and diagnostic procedures to resolve escalated tickers in unique and complex client environments.
• Coaches L3 teams offering technical expertise and pushing work down to other engineering teams.
• Performs quality audits, covering process, service experience, ticket updates, etc. as required.
• May manage and implement projects within technology domain, delivering effectively and promptly per client agreed upon requirements and timelines.
• May work on implementing and delivering disaster recovery functions and tests.
• Performs any other related task as required.

Knowledge and Attributes:

• Ability to communicate and work across different cultures and social groups.
• Ability to plan activities and projects well in advance, and takes into account possible changing circumstances.
• Ability to maintain a positive outlook at work.
• Ability to work well in a pressurized environment.
• Ability to work hard and put in longer hours when it is necessary.
• Ability to apply active listening techniques such as paraphrasing the message to confirm understanding, probing for further relevant information, and refraining from interrupting.
• Ability to place clients at the forefront of all interactions, understanding their requirements, and creating a positive client experience throughout the total client journey.
• Excellent proficiency in change management process with an ability to plan, monitor and execute changes with clear identification of risks and mitigation plans to be captured into the change record.
• Deep technical skills in relevant functions.
• Excellent client service orientation and passion for achieving or exceeding expectations.

Academic Qualifications and Certifications:

• Bachelor's degree or equivalent qualification in IT/Computing (or demonstrated equivalent work experience).
• Certifications relevant to the services provided (certifications carry additional weightage on a candidate’s qualification for the role).
• Relevant certifications include (but not limited to) -
• CCIE Certification or equivalent.
• CCNP in Security or PCNSE certification or Firewall Vendor related certification is good to have along with advanced technical certification such as CCIE, CISSP.

Required experience:

• Advanced Managed Services experience handling complex cross technology infrastructure.
• Advanced knowledge and experience in ticketing tools, preferably Service Now.
• Worked in multiple large Global Enterprise client outsourcing projects.
• Extensive vendor management experience.
• Advanced track record of effective shift left work management skills (moving work to junior levels).
• In-depth experience and understanding of the IT industry and standards for IT service management.
• Advanced experience in more than two technology domains.
• Advanced experience across Emerging technology and trends impacting IT operations.

Workplace type:

On-site Working

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 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as

established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each

year in R&D.

Equal Opportunity Employer

NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us.