Senior Systems Administrator - M365 MSSP WFH AU

Staff Domain, Inc.; Makati; Hybrid; PHP 670.000 - 1.339.000; Vollzeit

Benefits dieser Stelle

HMO, Dental, and Life Insurance

Paid Leaves

Team Engagement Activities

Zusammenfassung

Staff Domain, Inc. in Ortigas is seeking a Senior Systems Administrator to own complex environments with a high degree of autonomy in a modern AI-first service model. The role focuses on stability, optimisation, and long-term quality, with exposure to AI-driven tooling as part of our evolving service delivery.

You will act as the senior escalation point for L2/L3, resolve complex issues, and drive improvements across Microsoft, cloud, and network infrastructure while mentoring junior engineers.

Qualifikationen

• Senior systems administrator with hands-on experience.
• Experience managing complex network environments in MSP/MSSP settings.
• Strong Microsoft stack expertise: AD, Azure AD, M365, Windows Server.
• Advanced networking: routing, switching, firewalls, VPN, SD-WAN.
• Virtualization: VMware vSphere and Hyper-V.
• Security-focused with practical operational practices.
• Azure and AWS hands-on experience.
• Backup familiarity: Veeam and Metallic.
• Nice-to-have MSSQL or Oracle exposure.

Aufgaben

• Own and resolve complex technical issues end-to-end.
• Take full technical ownership of assigned client environments.
• Provide escalation support and mentorship to juniors.
• Maintain and optimise Microsoft, cloud, and network infrastructure.
• Drive security, performance, and standardisation improvements.
• Contribute to automation and AI-driven operational enhancements.
• Assist with delivery of infrastructure and security projects.

Kenntnisse

Senior Systems Administrator

MS Active Directory / Azure AD / M365

Networking: routing, switching, firew/

Security best practices

Azure & AWS environments

Backup: Veeam/Metallic

MSSQL/Oracle exposure

Cloud & virtualization (VMware vSphere

Tools

VMware vSphere

Hyper-V

Jobbeschreibung

Job Description:

Set-up and Location: HYBRID - Ortigas

Work Schedule: 9:00AM to 6:00PM (AEST) | 7:00AM to 4:00PM (PH)

Employment Type: Full-time

Ready to do work that actually excites you?

We are a boutique Managed Security Service Provider focused on delivering secure, well-architected environments for mid to enterprise clients. We operate with a strong engineering mindset, high standards, and a clear direction toward AI-driven operations and automation.

We are seeking a Senior Systems Administrator to take ownership of complex environments and operate with a high degree of autonomy within a modern, AI-first service model.

You will act as the senior escalation point across L2/L3, responsible for resolving complex issues and maintaining high-performing, secure environments. You will own technical outcomes across your assigned environments, make decisions independently, and drive improvements without relying on constant direction. The role is hands-on, with a focus on stability, optimisation, and long-term quality.

You will also gain exposure to AI-driven tooling and automation as part of our evolving service delivery model.

• 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

Requirements

What You Bring

We’re looking for someone who:

• 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 Microsoft technologies including Active Directory, Azure AD, Microsoft 365, and Windows Server
• Advanced networking capability across routing, switching, firewalls, VPN, wireless, and SD-WAN
• Experience with virtualisation platforms including 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
• Exposure to MSSQL or Oracle is advantageous

Benefits

Why You’ll Love Working Here

• HMO, Dental, and Life Insurance for you and one free dependent from day one (with option to enroll more)
• Paid Leaves: Birthday, Vacation, Medical, and Maternity (up to 6 Vacation Leaves convertible to cash on your anniversary)
• Employee Engagement Activities: Year-End Party, Family Day, Team Building, and more