Senior IT Infrastructure Engineer

blaseek; Taguig; Hybrid; PHP 1,200,000 - 2,300,000; Full time

Job summary

blaseek is seeking a Senior IT Infrastructure Engineer to design, deploy, and secure core IT infrastructure across hybrid environments. You will focus on Entra ID, Active Directory, DNS, PKI, Exchange Online, and cloud-based services while supporting automation and infrastructure optimization.

The role involves designing and maintaining Hybrid Active Directory, managing Exchange Online and DNS, and migrating on-premise systems to AWS.

Qualifications

• Bachelor’s degree in Computer Science, Information Systems, or related field.
• 7+ years of experience in IT Infrastructure Engineering or similar role.
• Strong experience with Windows Server administration.
• Strong experience with Microsoft Entra ID and Active Directory.
• Strong experience with PKI infrastructure.
• Strong experience with VMware vSphere.
• Strong experience with networking and security fundamentals.
• Strong experience with ITSM / ITIL frameworks.
• Experience supporting infrastructure projects and enterprise environments.
• Strong troubleshooting, organization, and communication skills.
• Willing to work in a hybrid setup in BGC, Taguig.
• Willing to work on Morning or Night Shift schedules.

Responsibilities

• Design, deploy, and maintain Hybrid Active Directory, including Domain Controllers, Group Policies, and Entra ID integration.
• Manage Exchange Online, AWS SES messaging, and enterprise email services.
• Maintain DNS infrastructure using Active Directory DNS and AWS Route 53.
• Design and maintain Enterprise PKI and identity services.
• Manage and secure Windows Server environments.
• Support migration of on-premise infrastructure to AWS cloud services.
• Develop automation scripts using PowerShell and ServiceNow.
• Implement monitoring solutions and identify automation opportunities.
• Provide Level 2 and Level 3 infrastructure support.
• Collaborate with network, security, and application teams to ensure reliable operations.

Skills

ITSM / ITIL

Troubleshooting

Communication

Education

Bachelor’s degree in Computer Science, Information Systems, or related field

Tools

PowerShell

ServiceNow

Azure

AWS

Active Directory

Entra ID

DNS

Route 53

VMware vSphere

Terraform

GitLab

Job description

Role Overview

The Senior IT Infrastructure Engineer is responsible for designing, maintaining, and securing core IT infrastructure across hybrid environments. The role focuses on Microsoft Entra ID, Active Directory, DNS, PKI, Exchange Online, and cloud-based services, while supporting automation, cloud migration, and infrastructure optimization.

Responsibilities

• Design, deploy, and maintain Hybrid Active Directory, including Domain Controllers, Group Policies, and Entra ID integration.
• Manage Exchange Online, AWS SES messaging, and enterprise email services.
• Maintain DNS infrastructure using Active Directory DNS and AWS Route 53.
• Design and maintain Enterprise PKI and identity services.
• Manage and secure Windows Server environments.
• Support migration of on-premise infrastructure to AWS cloud services.
• Develop automation scripts using PowerShell and ServiceNow.
• Implement monitoring solutions and identify automation opportunities.
• Provide Level 2 and Level 3 infrastructure support.
• Collaborate with network, security, and application teams to ensure reliable operations.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Systems, or related field.
• 7+ years of experience in IT Infrastructure Engineering or similar role.
• Strong experience with Windows Server administration.
• Strong experience with Microsoft Entra ID and Active Directory.
• Strong experience with PKI infrastructure.
• Strong experience with VMware vSphere.
• Strong experience with networking and security fundamentals.
• Strong experience with ITSM / ITIL frameworks.
• Experience supporting infrastructure projects and enterprise environments.
• Strong troubleshooting, organization, and communication skills.
• Willing to work in a hybrid setup in BGC, Taguig.
• Willing to work on Morning or Night Shift schedules.

Preferred Qualifications

• Experience with Azure and AWS cloud platforms.
• Knowledge of SQL databases.
• Experience in Agile environments (Kanban).
• Experience in financial or regulated industries.
• Relevant certifications (AWS, Terraform, GitLab, VMware).