Senior Systems Administrator (x2) | Payment Migration Project
Sydney (Hybrid | 2 Days Onsite) | Chifley Tower CBD / Bella Vista
6-Month Contract | Immediate Start | Extension Potential
About the Opportunity
NTT DATA is seeking two experienced Senior Systems Administrators to join a large-scale Core Modernisation Program focused on modernising critical enterprise infrastructure platforms.
Working within the Payment Systems Migration Stream, you will play a key role in building, validating, and preparing infrastructure environments to support a major migration initiative. This is an opportunity to contribute to a high-profile transformation program within a complex enterprise environment.
Key Responsibilities
Build and configure Linux and Windows servers following established Standard Operating Procedures (SOPs)
Support payment system migration activities, ensuring infrastructure readiness
Perform server validation, testing, and readiness checks prior to deployment
Manage and maintain
Red Hat Enterprise Linux (RHEL)
environments
Administer and support VMware infrastructure, including ESXi and vCenter
Collaborate with project teams and technical stakeholders to ensure successful migration outcomes
Maintain technical documentation and comply with governance and process standards
Skills & Experience Required
Essential
Strong hands-on experience with
Red Hat Enterprise Linux (RHEL)
Strong experience administering
VMware environments (ESXi & vCenter)
Working knowledge of
Windows Server
Good understanding of Active Directory and DNS




Proven experience following structured server build processes and SOPs
Experience in server validation, testing, and infrastructure readiness activities
Strong troubleshooting and problem-solving skills
Desirable
Exposure to Terraform and/or Puppet
Experience working in large enterprise or highly regulated environments
Familiarity with automation tools and scripting
Experience supporting infrastructure migration or transformation programs
What's on Offer
Immediate start
Hybrid working model (2 days onsite)
Opportunity to work on a significant enterprise transformation initiative
Collaborative and supportive project environment
Initial 6-month contract with potential for extension
Eligibility
Open to candidates with
full Australian working rights
About us
NTT Ltd. is a leading global technology services company. Working with organizations around the world, we achieve business outcomes through intelligent technology solutions.For us, intelligent means data driven, connected, digital and secure. As a global ICT provider, we employ more than 40,000 people in a diverse and dynamic workplace that spans 57 countries, trading in 73 countries and delivering services in over 200 countries and regions
NTT is proud to be an equal prospect employerwith a global culture that embraces diversity. We are committedto providing an environment free of unfair discrimination and harassment.We do not discriminate based on age, race, color, sex, religion, national origin, disability, pregnancy, marital status, sexual orientation, gender reassignment, veteran status, or other protected category.
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📌 Senior Systems Administrator (New South Wales)
🏢 Ntt
📍 New South Wales