Network Security Engineer

Get AI-powered advice on this job and more exclusive features. SPTel is a joint venture between ST Engineering and SP Group and we are able to leverage the strengths of our parents to provide unique connectivity and digital services for our customers to become the digital services provider of choice. Our network is known for reliability and diversity because our unique fibre pathways combine leased SP Group infrastructure with owned fibre pipes laid alongside the power network cables. Our network structure also ensures your data takes the shortest possible route for optimal performance. SPTel is a Business Class Digital Services provider that promises: Fully digitalised processes, enabling on demand provisioning of services such as Bandwidth and cyber security Business Grade connectivity standards that include True network diversity for improved reliability with unique fibre pathways and facilities that are physically separate from incumbent telcos Innovative services such as Quantum Key Distribution-as-a-Service (QKD-a-a-S), IoT-a-a-S and Edge Cloud We are well recognised in the industry clinching numerous awards for our cutting-edge telco services and featured on CNA in a documentary “Home-Grown with a Digital Edge” as well as vignette “Securing the Future in the Age of Quantum Computing”. These accolades and achievements are the result of us meticulously grooming a team of talents and specialists to be part of our exciting journey and we are looking to grow our team. If you are a skilled and driven individual, do join us as co-creators of the future of SPTel. Job Brief: We are looking for an Engineer/Senior Engineer who is passionate about security with at least 5 years of experience in network security. This rewarding role will best suit someone with network experience, and the ability to work closely with our engineers to deliver large scale network security solutions. Experience working with cyber security and in a CII(Critical Information Infrastructure) environment will be an added advantage. Responsibilities: Infrastructure & Network Security Protect Telco cloud infrastructure and corporate IT network systems. Be responsible for the implementation and management of security-related applications and systems as system owner. Lead to architect, implement, manage and continuously improve security-related systems including but not limited to NGFW, IPS, WAF, Anti-DDoS, AD(Active Directory), TACACS, PAM, MFA, EDR, EPP/SP, SIEM, ZTNA, and SASE. Develop Standard Operational Procedures(SOP), Manual of Procedures(MOP), and operational documentation for service delivery and change requests. Lead Proof of Concepts (POC) for emerging security technologies and managed security services (MSS). Support the team as Layer 3 technical support for security-related systems issues, SOC alerts, etc. Support ISMS and ISO27001 implementation. Customer Cybersecurity Support Evaluate and respond to customer tenders and cybersecurity inquiries, including infrastructure security compliance, managed security services compliance and data privacy compliance. Support the Sales and Solution teams in addressing supply chain and third-party cybersecurity requirements. Support the company’s response to cybersecurity incidents and threats. Develop and maintain incident response plans, SOC alert playbooks, cyber incident playbooks and conduct annual cyber table-top exercises and/or simulations. Provide incident investigation support to SOC and technical operations teams. Monitoring and managing all security breaches and handling security incidents, taking remedial action to prevent recurrence wherever possible. Any other ad-hoc duties as assigned by superior from time to time. Role Requirements: Minimum 5 years of experience in cybersecurity. Strong understanding of security architecture across network, infrastructure, and endpoint layers. Familiarity with security operations, risk assessments, incident management, and customer cybersecurity support. Hands-on experience with security technologies (e.g., Firewall, IPS/IDS, WAF, DDoS Protection, AD, PAM, SIEM, EDR, ZTNA). Have experience creating design documents (HLD, LLD) diagrams, and presentations. Have experience in project management. Strategic mindset with strong problem-solving and risk mitigation skills. Ability to work cross-functionally with internal teams, auditors, and customers. Enjoy working with different stakeholders to achieve desired outcomes. Ability to work in a fast-paced environment and multi-tasking. Professional Certifications such as in network, security domains and project management will be an advantage. Seniority level Seniority level Associate Employment type Employment type Full-time Job function Job function Information Technology Referrals increase your chances of interviewing at ST Engineering by 2x Get notified about new Network Security Engineer jobs in Singapore, Singapore . [Entry/Junior] Associate / Security Engineer, Managed Operations, SOC/Cyber Ops Security Engineer (SOC Analyst) - Digital Bank Senior Engineer (Network & Security Systems) Security Operations Engineer (Shift) - 2 year contract Network Security Engineer - Quant Trading - SG$ 250,000 - Singapore Systems Engineer - Firewall (Central Infra) Network Security Engineer - Proprietary / High Frequency Trading Cybersecurity and Network Engineer (IT), A*STAR BII Security Operations Engineer (Infra) - contract Infra Security Engineer (12-months Contract), Global Manufacturing Associate Systems Engineer - Firewall (Infra Security) We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. J-18808-Ljbffr

Location: Singapore, Singapore, SG

Posted Date: 9/8/2025