Lead payment system migration with RHEL & VMware expertise
Hybrid Work Options
Join a critical enterprise infrastructure modernization program

Senior Systems Administrator (x2) | Payment Migration Project

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
Strong hands-on experience with Red Hat Enterprise Linux (RHEL)
Robust 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
Robust troubleshooting and problem-solving skills
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 workplace
Initial 6-month contract with potential for extension

Open to candidates with full Australian working rights
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📌 Senior Systems Administrator City Of Sydney
🏢 Ntt
📍 City of Sydney