IT Security Analyst

WalterMart Supermarket, Inc.; Quezon City; On-site; PHP 700,000 - 950,000; Full time

Job summary

WalterMart Supermarket, Inc. is seeking a competent IT Systems Administrator to manage Windows and Linux servers, Active Directory, M365, Exchange, DNS, and related infrastructure. The role covers monitoring, backups, security hardening, and support for on-prem and cloud environments.

You will collaborate with vendors and internal teams on upgrades and migrations, ensuring data integrity, security, and continuity of services. Strong problem-solving and documentation skills are essential.

Responsibilities

• Administer and support Windows and Linux servers, including installation, configuration, troubleshooting, upgrades, and maintenance.
• Manage Active Directory, Microsoft 365, Exchange, DNS, Domain Controllers, and user access administration.
• Monitor server performance, capacity, availability, and security using infrastructure monitoring tools.
• Perform backup, disaster recovery, system restoration, and data recovery activities to ensure business continuity.
• Deploy security patches, conduct server hardening, and remediate security vulnerabilities.
• Manage and support physical and virtual servers, storage systems, and cloud-hosted environments.
• Assist in infrastructure upgrades, migrations, enhancement projects, and technology transformation initiatives.
• Troubleshoot server, network, hardware, and software issues while providing technical support to end users.
• Maintain technical documentation, standard operating procedures, and troubleshooting guides.
• Ensure compliance with security policies and safeguard the integrity, availability, and confidentiality of organizational data.
• Collaborate with vendors and internal stakeholders to support infrastructure operations and planned changes.
• Identify opportunities for process and infrastructure improvements to enhance system efficiency and reliability.

Job description

Job Description:

Key Responsibilities

• Administer and support Windows and Linux servers, including installation, configuration, troubleshooting, upgrades, and maintenance.
• Manage Active Directory, Microsoft 365, Exchange, DNS, Domain Controllers, and user access administration.
• Monitor server performance, capacity, availability, and security using infrastructure monitoring tools.
• Perform backup, disaster recovery, system restoration, and data recovery activities to ensure business continuity.
• Deploy security patches, conduct server hardening, and remediate security vulnerabilities.
• Manage and support physical and virtual servers, storage systems, and cloud-hosted environments.
• Assist in infrastructure upgrades, migrations, enhancement projects, and technology transformation initiatives.
• Troubleshoot server, network, hardware, and software issues while providing technical support to end users.
• Maintain technical documentation, standard operating procedures, and troubleshooting guides.
• Ensure compliance with security policies and safeguard the integrity, availability, and confidentiality of organizational data.
• Collaborate with vendors and internal stakeholders to support infrastructure operations and planned changes.
• Identify opportunities for process and infrastructure improvements to enhance system efficiency and reliability.