Senior Systems Administrator - M365 (MSSP) | WFH | AU
About The Position
The Senior Systems Administrator will take ownership of complex client environments at a boutique Managed Security Service Provider serving mid-market to enterprise clients. The role is a senior L2/L3 escalation point, responsible for resolving complex issues and maintaining secure, high-performing environments with a high degree of autonomy. The work is hands-on and focused on stability, optimisation, and long-term quality, with opportunities to work with AI-driven tooling and automation as the service delivery model evolves. The position is hybrid in Ortigas, with a schedule of 9:00 AM to 6:00 PM AEST (7:00 AM to 4:00 PM Philippine time).
Requirements
- Proven experience in a senior systems administrator or equivalent role.
- Experience managing complex network environments or working within an MSP or MSSP.
- Strong expertise across Active Directory, Azure AD, Microsoft 365, and Windows Server.
- Advanced networking capability across routing, switching, firewalls, VPN, wireless, and SD-WAN.
- Experience with VMware vSphere and Hyper-V.
- Strong understanding of cybersecurity principles and operational practices.
- Hands-on experience with Azure and AWS environments.
- Experience with backup platforms such as Veeam and Metallic.
Nice To Haves
- Exposure to MSSQL or Oracle.
Responsibilities
- Own and resolve complex technical issues end-to-end.
- Take full technical ownership of assigned client environments.
- Provide escalation support and guidance to junior engineers.
- Maintain and optimise Microsoft, cloud, and network infrastructure.
- Drive improvements in security, performance, and standardisation.
- Contribute to automation and AI-driven operational enhancements.
- Assist with delivery of infrastructure and security projects as required.
Benefits
- HMO, dental, and life insurance for the employee and one free dependent from day one, with the option to enroll additional dependents.
- Paid birthday, vacation, medical, and maternity leaves; up to six vacation leaves may be converted to cash on the employee's anniversary.
- Employee engagement activities, including a year-end party, family day, and team building.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
