Senior Engineer (Level 3) - Remote

About the role

Hunt St helps Australian companies hire remote talent in the Philippines. This Senior Engineer (Level 3) position is filled directly by the client as an independent contractor, with no regular weekday after-hours work. The role covers USA business hours in a follow-the-sun support model, with weekend on-call participation on a shared escalation roster.

The client is a growing Managed Service Provider (MSP) offering IT management, cloud, cybersecurity and infrastructure services to small and mid-sized businesses worldwide. You will act as the senior technical escalation point for complex infrastructure, cloud, networking and cybersecurity issues, deliver client projects and mentor junior engineers.

Key responsibilities

• Act as the primary Tier 3 escalation point for complex issues beyond Level 1 and 2, during USA business hours.
• Administer and troubleshoot Microsoft 365, Windows Server, Active Directory, Microsoft Entra ID, Exchange Online and Google Workspace.
• Maintain cybersecurity controls such as endpoint protection, MFA, Conditional Access, EDR/XDR, email security and server hardening.
• Configure networking infrastructure including switching, routing, wireless, VPNs, VLANs, DNS and firewalls.
• Support hybrid cloud infrastructure on Microsoft Azure and related platforms.
• Deliver technical implementations for infrastructure, migration, cloud and security projects, test, validate and document them, and support handovers.
• Mentor Level 1 and 2 engineers, contribute to documentation, SOPs and runbooks, and take part in technical training.
• Communicate technical issues clearly to clients and give timely incident updates.
• Maintain tickets, time entries and documentation, and meet utilisation and service quality targets.

Required profile

• Minimum 5 years of hands-on experience in an MSP environment; experience with multiple SMB clients is strongly preferred.
• Demonstrated experience mentoring junior engineers.
• Excellent written and spoken English; ability to work independently during assigned shifts.
• Preferred: experience supporting SMBs in Australia, the US or the UK.

Required skills

• Microsoft 365, Exchange Online, Active Directory, Microsoft Entra ID, Windows Server, Intune and Google Workspace.
• Networking: TCP/IP, VLANs, routing, switching, VPNs, DNS, wireless and firewalls.
• Cybersecurity: MFA, Conditional Access, EDR/XDR, vulnerability management.
• Backup, disaster recovery and business continuity.
• RMM platforms, PSA tools and cloud platforms such as Microsoft Azure.
• Preferred certifications within 12 months: MS-102, CompTIA Security+/Network+ or Cisco CCNA, Ubiquiti or UniFi credentials.