Senior Systems Engineer (L3, MS 365 & Azure, Enterprise)

Atlantis Consulting; Taguig; On-site; PHP 600,000 - 1,400,000; Full time

Job summary

Atlantis Consulting is seeking a Senior Systems Engineer to lead technical delivery in Taguig City. You will drive cloud implementation and enterprise system administration, escalating to Tier 3, and guiding migrations and complex infrastructure projects.

You will own security, patch management, and disaster recovery tasks while delivering reliable, secure IT environments for global clients. This role emphasizes Microsoft technologies, virtualization, and cybersecurity expertise.

Qualifications

• Bachelor's degree in IT or related field preferred.
• Minimum 6 years in technology systems engineering/administration roles.
• Strong expertise in Microsoft operating systems (Windows Server, Windows 10/11).
• Extensive experience with Microsoft 365 and Azure including Azure AD, Exchange Online, SharePoint Online, OneDrive, Teams, Intune.

Responsibilities

• Provide advanced administration and support for Microsoft 365 and Azure environments.
• Manage enterprise email platforms and security integrations.
• Administer Active Directory and group policy, certificate management, and domain controller upgrades.
• Support virtualization environments and infrastructure upgrades.

Skills

Microsoft 365

Azure

Azure AD

Exchange Online

SharePoint Online

Intune

Email Security

VMware vSphere

Hyper-V

Windows Server

Windows 10/11

Incident response

Documentation

Education

Bachelor's degree in IT

Job description

Company: Leading Global Technology Services Provider

Position Type: Full-time

Reporting to: To be confirmed

Job Brief

Atlantis Consulting is partnering with a leading global technology services provider specializing in managed IT services, cybersecurity, and business transformation to recruit an experienced Senior Systems Engineer for its technical delivery team in BGC, Taguig City.

In this role, you will drive cloud implementation and support, enterprise systems administration, desktop engineering escalations, and networking initiatives across a portfolio of clients. You will serve as a Tier 3 technical escalation point, lead technical implementations and migrations, and resolve complex infrastructure challenges while ensuring secure, reliable, and optimized technology environments.

This is an excellent opportunity for a seasoned technology professional with strong expertise in Microsoft cloud technologies, enterprise infrastructure, and cybersecurity to take ownership of complex technical challenges while supporting clients in a global service delivery environment.

Key Responsibilities

• Provide advanced administration and support for Microsoft 365 and Azure environments, including Azure AD, Exchange Online, SharePoint Online, OneDrive for Business, Teams, and Intune.
• Manage enterprise email platforms and associated security integrations.
• Administer Active Directory, including domain controller upgrades, Group Policy creation, software deployments, network policies, and certificate management.
• Support virtualization environments, system maintenance, and infrastructure upgrades.

Technical Leadership & Escalation Management

• Serve as a Tier 3 escalation point for technology management, service desk, engineering, and other client support teams.
• Lead technical delivery for migrations, implementations, relocations, and infrastructure projects.
• Take ownership of complex technical incidents and deliver long-term solutions through root cause analysis.
• Provide advanced technical support for desktop engineering and networking-related challenges.

Cybersecurity, Maintenance & Risk Management

• Implement security best practices across client environments, including Azure Active Directory Conditional Access and Duo multifactor authentication (MFA).
• Perform software and operating system patching, version upgrades, critical patch applications, and vulnerability remediation.
• Work with remote monitoring and management (RMM) tools, mobile device and application management solutions, and antivirus/anti-malware platforms.
• Support incident response during security events, high-priority escalations, disaster recovery, and business continuity activations.

Technical Documentation & Infrastructure Optimization

• Document system functionality, technical processes, and recurring operational tasks.
• Develop and maintain architecture diagrams, runbooks, and standard operating procedures (SOPs).
• Audit undocumented client environments and provide technical recommendations based on findings.
• Apply established standards and best practices to improve system reliability, security, and operational consistency.

Requirements

• A bachelor's degree in Information Technology or a related field is preferred.
• At least 6 years of comparable experience in a technology systems engineering and administration role
• Advanced knowledge of Microsoft operating systems, including Windows Server and Windows 10/11.
• Strong administration experience with Microsoft 365 and Azure, including Azure AD, Exchange Online, SharePoint Online, OneDrive for Business, Teams, and Intune.
• Experience administering enterprise email platforms and security integrations, particularly Exchange Online.
• Experience managing virtualization platforms such as VMware vSphere and Hyper-V.
• Proficiency in incident response, high-priority technical escalations, disaster recovery, and business continuity activations.
• Strong troubleshooting, root cause analysis, technical documentation, and problem-solving capabilities.

Preferred Qualifications

• Experience working with a Managed Service Provider (MSP).
• Experience supporting clients in the financial services or life sciences industries.