Senior Systems Administrator - Hybrid Cloud Security Lead

Manatal; Metro Manila; On-site; PHP 900,000 - 1,450,000; Full time

Benefits offered by this job

Healthcare coverage from day one

Paid time-off & incentives

Performance bonuses

Group life insurance

Career growth & learning

Job summary

MicroSourcing is seeking a Senior System Administrator in Ortigas, Pasig for an onsite, dayshift role. You will manage enterprise IT infrastructure and cloud environments including Microsoft 365, Azure, and AWS, ensuring secure, reliable operations.

The ideal candidate has 7+ years in enterprise IT, strong Windows Server and networking experience, and the ability to lead upgrades and migrations while mentoring junior staff. Join a team that values collaboration and continuous improvement.

Qualifications

• 7+ years in enterprise IT with senior or lead responsibilities.
• Strong Microsoft 365 and Azure experience with cloud knowledge.
• Experience administering Windows Server environments.
• Proven enterprise networking experience (firewalls, routing, switching, wireless).
• Hybrid cloud experience with AWS or Google Cloud.

Responsibilities

• Manage and maintain enterprise IT infrastructure for reliability and security.
• Administer Microsoft 365 and Azure environments; knowledge of AWS or other clouds.
• Maintain Windows Server environments, including configurations and patches.
• Support and troubleshoot enterprise network infrastructure (firewalls, routing).
• Lead cloud infrastructure in a hybrid environment and assist migrations.
• Manage user access, devices, onboarding and offboarding.
• Monitor systems, resolve issues, minimize disruptions.
• Lead upgrades, migrations, and infrastructure improvement projects.
• Support backup, DR, and business continuity procedures.
• Implement IT security controls including MFA and VPN.
• Provide technical leadership and mentoring to junior staff.
• Collaborate with vendors and stakeholders to optimize IT solutions.

Skills

Microsoft 365

Azure

Windows Server

Enterprise networking

Hybrid cloud

Analytical thinking

Communication skills

Autonomous work

Education

IT degree

Tools

AWS

Google Cloud

SharePoint

OneDrive

Job description

MicroSourcing is seeking a Senior System Administrator in Ortigas, Pasig for an onsite, dayshift role. You will manage enterprise IT infrastructure and cloud environments including Microsoft 365, Azure, and AWS, ensuring secure, reliable operations.

The ideal candidate has 7+ years in enterprise IT, strong Windows Server and networking experience, and the ability to lead upgrades and migrations while mentoring junior staff. Join a team that values collaboration and continuous improvement.