Senior System Engineer

Role Title: Senior Systems Engineer

Location: Mulgrave, VIC

Start Date: ASAP

Duration: Permanent Position

Working Flexibility: Hybrid

NTT Data is seeking an experienced Senior Systems Engineer to join a high-performing technology team supporting and modernising enterprise Microsoft infrastructure across on-premises and Azure environments. This role will play a key part in driving platform reliability, reducing technical debt, enhancing security, and delivering strategic cloud and infrastructure transformation initiatives.

Working closely with application owners, vendors, and internal technology stakeholders, you will contribute to ensuring a secure, scalable, and future-ready technology environment. The role also includes Level 3 support responsibilities and participation in an on-call roster.

Is innovation part of your DNA? Do you want to enable a connected future for people, organizations, and society?

Join our growing global NTT team and you’ll be part of the world’s largest ICT company (by revenue). We’ve combined the capabilities of 28 remarkable companies to become one, leading technology services provider. Together, we help our people, clients, and communities do great things with technology to create a more secure and connected future. We employ 40,000 people across 57 countries. By bringing together the world’s best technology companies and emerging innovators, we work together to deliver sustainable outcomes to businesses and the world. Innovation is part of our DNA. We believe it’s key to what makes us different. So, we strive to move forward, challenge the status quo, and drive excellence through the technologies we integrate and the services we deliver around the world. The result is connected cities, connected factories, connected healthcare, connected agriculture, connected conservation, connected mobility, and connected sport. Together we enable the connected future.

Key Responsibilities

• Support, maintain, and enhance Microsoft infrastructure across on-premises and Azure environments.
• Manage and administer Windows Server, Active Directory, Microsoft 365, Azure AD, and related enterprise platforms.
• Deliver infrastructure upgrades, cloud migration initiatives, and platform modernisation programs.
• Manage endpoint technologies including Microsoft Intune and SCCM.
• Improve infrastructure security through identity and access management, vulnerability remediation, patching, and system hardening.
• Provide Level 3 technical support and participate in an on-call support roster.
• Collaborate with vendors, application owners, and internal stakeholders to deliver scalable and reliable solutions.

Skills & Experience

• Strong previous experience in Systems Engineering within medium to large enterprise environments.
• Deep expertise across Windows Server, Active Directory, Microsoft 365, and Microsoft Azure.
• Hands-on experience with VMware, SCCM, Microsoft Intune, and enterprise infrastructure technologies.
• Experience delivering Azure cloud transformation, migration, or infrastructure modernisation projects.
• Strong PowerShell scripting capabilities and automation experience.
• Excellent stakeholder management, communication, and problem-solving skills.
• Exposure to infrastructure security best practices, lifecycle management, and operational excellence.

Nice to Have

• Linux/Unix administration experience.
• AWS or GCP exposure and/or cloud certifications.
• VMware or ITIL certifications.
• Infrastructure as Code experience using Chef, Puppet, or Ansible.
• Exposure to CyberArk, Rapid7, EDR/XDR, SOAR, CIS, NIST, or ISO 27001 security frameworks.

Questions? Reach out: [email protected]