Total 90 job vacancies by Workle Pte. Ltd.

Responsibilities

• Design and implement comprehensive network security architectures including perimeter security, segmentation, and Zero Trust frameworks
• Deploy and manage security platforms such as SIEM, NAC, and Vulnerability Management systems
• Configure, maintain, and optimize network devices including routers, switches, firewalls, and centralized Network Management Systems (NMS)
• Monitor security events in real-time and coordinate incident response with SOC teams
• Conduct root cause analysis, malware containment, and incident resolution
• Implement and manage security protocols such as IPSec, VPN, AAA, and ACLs
• Perform security audits ensuring compliance with standards such as ISO 27001, NIST, and GDPR
• Manage patching lifecycle and vulnerability remediation
• Execute OD/ID RAN installation, integration, and troubleshooting 
• Support both onsite and remote troubleshooting, including day/night operations
• Monitor and resolve alarms across network sites
• Manage spare module lifecycle including tracking, returns, and replacements
• Coordinate with subcontractors on TSSR submissions, review and approve reports, and ensure timely issue resolution
• Ensure materials readiness in line with weekly TI plans and coordinate work schedules with subcontractors
• Provide onsite support during implementation ensuring zero defects and adherence to quality standards
• Support quality audits, cable audits, site integration, Build Functionality Tests (BFT), and alarm troubleshooting
• Plan and execute technical support activities for both internal teams and external stakeholders
• Provide direct and indirect customer and project team support
• Troubleshoot complex, multidisciplinary technical issues
• Maintain detailed documentation including network diagrams, runbooks, and incident reports

Requirements:

• Bachelor's degree in information security, Computer Science, IT, Telecommunications, or a related field
• 4 – 7 years’ experience in network security engineering and telecom/RAN operations
• Proficient with protocols such as IPSec, SSL/TLS, 802.1X, DNSSEC
• Hands-on experience with firewalls and appliances including Palo Alto, Fortinet, Cisco ASA, IDS/IPS
• Familiarity with authentication protocols: RADIUS, TACACS+, MFA
• Knowledge of routing and switching security including OSPF/BGP hardening and Layer 2 protections
• Experience with SIEM and NMS platforms like Splunk, QRadar, ArcSight, SolarWinds, Elastic
• Proven expertise in 4G/5G RAN deployment, integration, and alarm monitoring/troubleshooting
• Experience with Telecom Implementation (TI) execution and site activities
• Understanding of ITIL processes and change management
• Strong vendor and subcontractor coordination skills
• Proficient in scripting and automation tools such as Python, Bash, PowerShell, and Ansible

LiangSyeh Wei (Shevy) - R:R22108807

Responsibilities

• Design, implement, operate, and maintain the organization’s Security Management System (SMS) in alignment with ISO 27001 and other applicable security frameworks.
• Manage and administer security infrastructure, including next-generation firewalls, IDS/IPS, NAC, VPN solutions, and security management platforms.
• Develop, implement, and enforce information security policies, standards, procedures, and guidelines.
• Monitor security events, logs, and alerts using SIEM and security monitoring tools to detect, analyze, and respond to threats.
• Investigate security incidents, perform root-cause analysis, and lead incident response and remediation activities.
• Ensure system hardening, secure configurations, and compliance with security baselines across network and infrastructure components.
• Coordinate vulnerability assessments, penetration testing activities, and remediation tracking.
• Support firewall policy management, security rule reviews, log analysis, and continuous security tuning.
• Oversee access control mechanisms, authentication systems, and NAC solutions to ensure secure network access.
• Collaborate with network, infrastructure, presales, and project teams on secure design and implementation of new systems and services.
• Support Data Center and Disaster Recovery (DR) security implementations, audits, and compliance reviews.
• Maintain security documentation, including risk assessments, asset registers, SOPs, incident reports, and audit evidence.
• Manage vendor coordination related to security tools, licensing, renewals, RMA cases, and security product evaluations.
• Support internal and external audits, regulatory requirements, and compliance initiatives.

Requirements

• Bachelor's degree in information security, Computer Science, Engineering, Information Technology, or a related field.
• Minimum of 4 years of hands-on experience in information security, security operations, or security management systems.
• Strong understanding of Security Management Systems (SMS) and information security frameworks such as ISO 27001, ISO 27002, NIST, or similar.
• Proven experience in network and infrastructure security across LAN, WAN, Data Center, and DR environments.
• Hands-on experience with next-generation firewalls (Palo Alto, FortiGate, Cisco FTD, Juniper SRX).
• Solid knowledge of routing, switching, and secure network design concepts.
• Practical experience with VPN technologies (IPsec, SSL VPN, GRE, DMVPN).
• Experience with SIEM platforms, log management, and security monitoring tools.
• Familiarity with vulnerability management tools such as Nessus or equivalent.
• Experience with NAC solutions such as Cisco ISE or FortiNAC.
• Understanding of risk assessment, threat modeling, and security controls implementation.
• Experience performing OS upgrades, firmware updates, configuration backups, and security maintenance activities.
• Strong documentation skills with experience in policy writing, procedures, and audit reporting.
• Experience in banking, telecommunications, cloud, or enterprise environments is preferred.
• Ability to manage multiple tasks and respond effectively in a fast-paced environment.
• Willingness to work 24/7 shifts, including nights, weekends, and public holidays, if required.
• CCNA/CCNP Certificate is must.
• Preferred who is certified in PCNSE and Fortinet NSE
• CISSP, CISM, or equivalent security certifications (added advantage)

LiangSyeh Wei (Shevy) - R:R22108807