Senior Engineer – Level 3
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Job Description
Senior Engineer delivering Tier 3 infrastructure, cloud, networking, and cybersecurity support for a growing Australian MSP. Remote Philippines-based contractor aligned to USA business hours and weekend on-call coverage.
Responsibilities:
- Act as the primary Tier 3 escalation point for complex technical issues unresolved by Level 1 or Level 2 engineers
- Provide senior technical support during USA business hours within the global follow-the-sun support model
- Administer, configure, and troubleshoot Microsoft 365, Windows Server, Active Directory, Microsoft Entra ID, Exchange Online, and Google Workspace
- Implement and maintain cybersecurity solutions including endpoint protection, MFA, Conditional Access, EDR/XDR, email security, and server hardening
- Configure and support switching, routing, wireless networks, VPNs, VLANs, DNS, and firewall technologies
- Maintain cloud infrastructure and hybrid environments across Microsoft Azure and related platforms
- Deliver infrastructure, migration, cloud, and security implementations under Project Manager guidance
- Perform system migrations, deployments, upgrades, and configuration changes
- Test, validate, and document implementations
- Identify project risks, technical dependencies, and potential issues early
- Support project handovers to operational teams
- Mentor and coach Level 1 and Level 2 engineers
- Contribute to technical documentation, knowledge bases, SOPs, and operational runbooks
- Participate in technical training and knowledge sharing
- Improve technical standards, documentation, and service delivery
- Communicate technical issues and updates to clients and executive stakeholders
- Translate technical concepts into practical business outcomes
- Collaborate with Project Managers, Service Delivery Managers, and Account Managers
- Maintain accurate documentation, ticket updates, and time entries
- Meet utilisation and service quality expectations
- Participate in the shared weekend on-call roster
- Continuously develop technical knowledge through certifications, training, and self-directed learning
Requirements:
- Minimum 5 years of hands-on experience in a Managed Service Provider (MSP) environment
- Google Workspace administration, including provisioning, security settings, organisational units, groups, policies, and ongoing support
- Extensive experience with Microsoft 365, Exchange Online, Active Directory, Microsoft Entra ID, Windows Server, Intune, and Google Workspace
- Strong networking knowledge including TCP/IP, VLANs, switching, routing, VPNs, DNS, wireless networking, and firewalls
- Experience administering Microsoft Azure or other cloud infrastructure platforms
- Strong understanding of cybersecurity principles, including MFA, Conditional Access, EDR/XDR, email security, vulnerability management, and security best practices
- Experience supporting backup, disaster recovery, and business continuity solutions
- Hands-on experience with RMM platforms, PSA tools, and modern MSP technology stacks
- Strong troubleshooting, analytical, and problem-solving skills
- Excellent written and verbal English communication skills
- Ability to work independently as the senior technical resource during assigned shifts
- Experience in a small to medium-sized MSP supporting multiple SMB clients strongly preferred
- Demonstrated experience mentoring junior technical team members
- Microsoft 365 Certified: Enterprise Administrator Expert or equivalent MS-102 required or expected within 12 months of hire
- One of CompTIA Security+, CompTIA Network+, or Cisco CCNA required or expected within 12 months of hire
- UBWA, UEWA, or equivalent UniFi credential required or expected within 12 months of hire
- USA business-hours alignment and participation in a shared weekend on-call rotation
- Disclosure of existing ongoing roles or client work
- LinkedIn profile must reflect the engagement as “Independent Contractor”
Benefits:
- 100% remote work
- Work from home
- Flexibility in managing time as an independent contractor while ensuring scheduled coverage
- Continuous learning and career progression
- Certifications, training, and self-directed learning opportunities
- Collaborative engineering team
- Technical training sessions and knowledge sharing
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