Senior Information Security Engineer - Hybrid Role

Opensity Solutions; Manila; Hybrid; PHP 700,000 - 1,100,000; Full time

Job summary

Opensity Solutions is seeking an experienced Information Security Engineer to design, implement, and maintain robust security controls across endpoints, networks, and cloud environments. You will monitor security events, support vulnerability remediation, and partner with IT, cloud, and infrastructure teams to enforce secure configurations.

The role emphasizes continuous improvement of security standards, incident response support, and collaboration with vendors to ensure secure technology

Qualifications

• Five or more years of experience in information security, cybersecurity, infrastructure security, or a related technical field.
• Experience implementing, administering, or supporting enterprise security technologies and controls.
• Experience with security monitoring, vulnerability management, endpoint security, secure configuration, incident response support, or related security operations and engineering functions.
• Experience partnering with IT, infrastructure, cloud, or platform teams to implement or improve security controls in production environments.
• Experience supporting audits, assessments, control validation, or remediation activities is beneficial

Responsibilities

• Design, implement, administer, and maintain technical security controls across endpoint, network, identity, cloud, and infrastructure environments.
• Support the configuration, administration, and optimization of security technologies, including endpoint protection, email security, firewalls, VPN, logging and monitoring.
• Monitor security events, alerts, and control health to identify issues, investigate suspicious activity, and support response and containment efforts.
• Partner with IT and infrastructure teams to implement secure configurations, system hardening measures, and technical safeguards aligned with organizational security standards.
• Perform technical security assessments, configuration reviews, and vulnerability analysis to identify control gaps and improvement opportunities.
• Support vulnerability remediation by validating findings, helping prioritize risk, and coordinating with system owners on corrective actions.
• Review penetration testing and security assessment results and help drive remediation planning and closure tracking.
• Assist with security incident response activities, including investigation, containment support, documentation, and follow-up actions.
• Contribute to the development, maintenance, and continuous improvement of security standards, technical baselines, procedures, and engineering documentation.
• Support identity and access security efforts, including authentication controls, privileged access protections, and least-privilege design principles.
• Collaborate with cloud, infrastructure, workplace, and application teams to integrate security requirements into operational and technical processes.
• Support audit and compliance activities by helping provide technical evidence, validating control operation, and addressing control gaps where needed.
• Work with vendors and external partners to support the secure implementation and operation of security technologies and services.
• Stay current on evolving threats, attack techniques, vulnerabilities, and security technologies, and recommend improvements as appropriate.
• Perform other duties as assigned.

Skills

Information security

Security monitoring

Incident response

Vulnerability management

Endpoint security

Network security

Cloud security

Least privilege

Education

Bachelor’s degree in CS/IT/Info Security

Tools

Firewalls

Endpoint protection

VPN solutions

Email security platforms

SIEM tools

Logging and monitoring

Encryption technologies

Job description

Opensity Solutions is seeking an experienced Information Security Engineer to design, implement, and maintain robust security controls across endpoints, networks, and cloud environments. You will monitor security events, support vulnerability remediation, and partner with IT, cloud, and infrastructure teams to enforce secure configurations.

The role emphasizes continuous improvement of security standards, incident response support, and collaboration with vendors to ensure secure technology