OPTIMUM SOLUTIONS (SINGAPORE) PTE LTD
Singapore / Global
Singapore / Global
Key Responsibilities
Operate and maintain
Palo Alto firewalls , including firewall rules/policies, patching, firmware upgrades, health checks, log reviews, configuration changes and troubleshooting.
Maintain
Carbon Black EDR , including RHEL-hosted servers, endpoint sensors, application services, logs, patching, endpoint onboarding and troubleshooting.
Administer
Cloudflare DDoS/WAF , including website onboarding/offboarding, WAF/security rules, IP whitelist/blacklist changes, SSL certificates, access/log reviews and vendor coordination.
Administer
CyberArk PAM , including privileged account onboarding/offboarding, access reviews, password management, service/change requests and audit logs.
Perform vulnerability remediation, patch management, security reviews and preventive maintenance.
Support cybersecurity incidents, investigations, assessments and audits.
Maintain and test platform
backup and restoration
processes.
Raise and manage change requests for system/configuration changes.
Maintain SOPs, asset inventories, configuration records, security trackers and maintenance reports.
Ensure compliance with organisational cybersecurity policies,
CSA Cybersecurity Act requirements and CCoP .
Mandatory Technical Skills
Strong enterprise networking fundamentals:
TCP/IP, VLAN, routing, NAT, DNS, network segmentation and troubleshooting .
Hands-on experience with:
Palo Alto NGFW
or equivalent
Carbon Black EDR
or equivalent
Cloudflare DDoS/WAF
or equivalent
CyberArk PAM
or equivalent
Experience with firewall policies, patching, log analysis, endpoint/security platform administration and troubleshooting.
Understanding of
secure/segregated or air-gapped environments , including controlled offline patch/file transfers.
Good to Have
Vulnerability management, security hardening, incident response and change management experience.
PKI / TLS / SSL certificate management.
Experience supporting highly secured or CII environments.
Certifications such as
CCNA, Palo Alto, CyberArk Defender/Sentry or Cloudflare-related certification .
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Singapore / Global
Singapore / Global
Kallang / Global
Singapore / Global
Singapore / Global
Singapore / Global