IT Senior Platform Engineer position available in all states NSW, Qld, Vic, & WA

At NEPEAN™ we are proud to be Australia's leading privately owned engineering, mining services and industrial manufacturing organisation. We have unique capabilities to deliver high value, innovative and sustainable solutions for the world's leading mining, construction, and transport companies. Over the last 40 years, hard work, technical credibility, and a willingness to tackle very difficult projects have earned NEPEAN an enviable reputation. Today our organisation employs over 1400 people across six continents and distributes products to more than 65 countries.

We service our customers through multiple businesses in our portfolio: NEPEAN Building and Infrastructure (Galserv, Galintel, Weldlok), NEPEAN Engineering and Innovation, NEPEAN Power, Mining (NEPEAN Longwall), PROK, NEPEAN Conveyors, NEPEAN Transport, Gurtec, Roxon, and NEPEAN Belting Mackay.

We are currently offering a fantastic opportunity for IT Senior Platform Engineer - Microsoft Environment (Global Operations) based in our NSW Office.

THE ROLE

As an IT platform Engineer, you will provide Level 1 and Level 2 support in a Microsoft-centric enterprise environment while also supporting and maintaining the organisation's Microsoft Dynamics 365 (D365) platform.

You will act as a key point of contact for end users, taking ownership of incidents and service requests from initial triage through to resolution. In addition to end-user support, you will play an active role in D365 administration, security configuration, user role management, and ongoing platform Maintenance.

Working within Freshservice (ITSM) and leveraging NinjaOne (RMM), you will support Windows endpoints, Microsoft 365 services, Active Directory/Entra ID, Microsoft Defender security tooling, and Dynamics 365 environments. You will contribute to continuous improvement, automation, and operational standardisation across our global IT and business systems landscape.

This role is ideal for a technically capable and customer-focused qualified who enjoys solving problems, improving systems, and supporting business-critical platforms in a global support model.

KEY RESPONSIBILITIES

Service Desk & End User Support
Provide remote support for users across Europe and the Americas.
Act as primary point of contact for incidents and service requests logged in Freshservice.
Deliver troubleshooting and resolution for:
Windows 10/11 environments
Microsoft 365 (Exchange Online, Outlook,



Teams, SharePoint, OneDrive)
Office applications and collaboration tools
VPN and basic network connectivity issues
Dynamics 365 user access and functional issues
Ensure tickets are categorised, prioritised, and resolved within agreed SLAs.

Dynamics 365 Administration & Platform Support
Administer and support Microsoft Dynamics 365 environments.
Manage D365 security roles, user access, and permission structures.
Configure and maintain:
Security roles and access profiles
Business units and role-based access controls
Environment-level security settings
Support user onboarding/offboarding within D365.
Troubleshoot D365 functional and access-related issues.
Assist with testing, validation, and deployment of D365 updates and changes.
Maintain environment health, performance monitoring, and basic configuration management.
Coordinate with application owners, vendors, and stakeholders for enhancements and issue resolution.
Ensure governance and compliance standards are maintained across D365 environments.

Identity & Access Management
Administer Active Directory and Entra ID (Azure AD).
Manage user lifecycle processes (onboarding, offboarding, access changes).
Configure and support:
Group memberships
Licensing
MFA and Conditional Access
Mailbox management
Align identity controls with D365 security and access models.

Endpoint & RMM Administration
Monitor and manage endpoints using NinjaOne RMM.
Perform patch management, remote remediation, and system monitoring.
Investigate recurring endpoint issues and implement long-term fixes.
Ensure endpoint compliance with security and configuration standards.

Security & Microsoft Defender
Monitor and respond to Microsoft Defender alerts (Endpoint and M365).
Support security best practices including device hardening and vulnerability remediation.
Escalate and coordinate response to suspected security incidents.
Support security posture across D365 through proper role design, least-privilege access, and periodic access reviews.

Problem Management & Continuous Improvement




Perform root cause analysis on recurring incidents (including D365-related issues).
Contribute to process improvement and service optimisation initiatives.
Develop and maintain knowledge base articles, SOPs, and technical documentation.
Identify opportunities for automation within NinjaOne, Microsoft tools, and D365 workflows.
Support governance and platform optimisation initiatives within the D365 ecosystem.

Collaboration & Global Support
Work closely with infrastructure, cybersecurity, application, and business systems teams.
Provide technical guidance to junior support staff when required.
Support change management, system updates, and release cycles (including D365 updates).
Participate in shift coverage aligned with Europe and Americas time zones.

ABOUT YOU

Experience
3-6+ years' experience in IT Support / Service Desk / End User Computing roles.
Experience supporting a Microsoft-based enterprise environment.
Hands-on experience supporting or administering Microsoft Dynamics 365.
Exposure to global or multi-site support operations is desirable.
Experience with ITSM platforms (Freshservice preferred).
Experience with RMM tools (NinjaOne preferred).

TECHNICAL SKILLS

Strong working knowledge of:
Active Directory & Entra ID (Azure AD)
Microsoft 365 administration
Exchange Online
Microsoft Defender for Endpoint
Windows OS administration
MFA and Conditional Access configuration
Dynamics 365 security roles and access management
Role-based access control (RBAC) principles
Basic networking concepts (DNS, DHCP, VPN)

Certifications (Desirable)
Microsoft certifications (MS-900, MD-102, AZ-900 or similar).
Dynamics 365 Fundamentals (MB-910 / MB-920 or similar).

Soft Skills
Strong analytical and troubleshooting mindset.
Excellent communication skills in English (written and verbal).
Ability to manage multiple priorities in a global support model.
Customer-first attitude with a proactive, solution-oriented approach.
High level of accountability and ownership.

If you believe you the right skills, experience and passion for succeeding in this role, please submit your cover letter and resume for consideration.

NEPEAN believes in diversity and is committed to providing Equal Employment opportunities for all applicants. We welcome applicants from all walks of life which also included various socio-economic, cultural, LGBTIQ, Aboriginal and Torres Strait Islander backgrounds.

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