547 Firewall Engineer jobs in Singapore

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Network/Firewall Engineer
role at
Epergne Solutions .
Key Responsibilities
Administer and manage network infrastructure including Cisco, Fortinet, F5, and related technologies.
Strong working knowledge of ACI, Cisco (IOS/IOS-XE), Arista, F5, Checkpoint, and Palo Alto firewalls.
Perform regular patch management and vulnerability remediation across network and firewall components (mandatory).
Troubleshoot and resolve issues related to patching, firmware upgrades, and rollback procedures (mandatory).
Conduct BIOS and firmware upgrades as needed.
Plan, assess, and execute patch deployments, including rollback planning and impact analysis.
Utilize tools such as NetBot and similar platforms for patch management.
Automate pre- and post-patching activities using scripting or automation tools.
Monitor and maintain network logs to ensure system integrity and compliance.
Deep understanding of network flows, traffic patterns, and performance analysis.
Expertise in DNS, DHCP, and IPAM solutions.
Strong experience in Layer 2/Layer 3 networking: Switching (VLANs, Link Aggregation, STP variants) and Routing protocols (BGP, OSPF, EIGRP).
Proficient in configuring and managing Standard and Extended Access Control Lists (ACLs).
Location
Singapore
Years of Experience
8-10 Years
Required Skills & Qualifications
8–10 years of hands-on experience in Network and Firewall Administration.
Strong verbal and written communication skills.
Excellent interpersonal skills with the ability to collaborate effectively in a team environment.
Prior experience working in SLA-driven environments.
Flexible and adaptable in dynamic, team-oriented work settings.
Availability to support weekend maintenance and provide weekday on-call support as required.
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Information Technology
Industries
IT Services and IT Consulting
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Summary

We are seeking an experienced Firewall Engineer (L2) to design, configure, and maintain enterprise firewall infrastructure, ensuring secure network access and compliance with security policies. The role requires expertise in firewall platforms such as Palo Alto , Fortinet , or Check Point , as well as strong troubleshooting skills for complex security incidents.

Responsibilities:

• Configure and manage firewalls, including security rules, NAT, and VPNs.
• Perform firewall policy reviews, audits, and optimisation.
• Troubleshoot firewall-related connectivity and security issues.
• Implement intrusion prevention and application control policies.
• Manage site-to-site and remote access VPNs.
• Work with network and server teams to ensure security compliance.
• Document firewall configurations, changes, and incident reports.

Requirements:

• Diploma or higher in Networking, Information Technology, or related field.
• 3–5 years’ hands-on experience with Palo Alto, Fortinet, or Check Point firewalls.
• Strong knowledge of NAT, VPN setup, and firewall security policies.
• Experience with firewall troubleshooting and security incident response.
• Security certifications preferred.
• Experience in SIEM tools for log analysis, firewall clustering, high availability setups.
• Good to have certification on PCNSE, NSE4 or CCSA.

EA Personnel Name: Sharmila
EA Personnel No: R23113352
EA License No: 95C5411

Summary

We are seeking an experienced Firewall Engineer (L2) to design, configure, and maintain enterprise firewall infrastructure, ensuring secure network access and compliance with security policies. The role requires expertise in firewall platforms such as Palo Alto , Fortinet , or Check Point , as well as strong troubleshooting skills for complex security incidents.

Responsibilities:

• Configure and manage firewalls, including security rules, NAT, and VPNs.
• Perform firewall policy reviews, audits, and optimisation.
• Troubleshoot firewall-related connectivity and security issues.
• Implement intrusion prevention and application control policies.
• Manage site-to-site and remote access VPNs.
• Work with network and server teams to ensure security compliance.
• Document firewall configurations, changes, and incident reports.

Requirements:

• Diploma or higher in Networking, Information Technology, or related field.
• 3–5 years’ hands-on experience with Palo Alto, Fortinet, or Check Point firewalls.
• Strong knowledge of NAT, VPN setup, and firewall security policies.
• Experience with firewall troubleshooting and security incident response.
• Security certifications preferred.
• Experience in SIEM tools for log analysis, firewall clustering, high availability setups.
• Good to have certification on PCNSE, NSE4 or CCSA.

EA Personnel Name: Jackie Ng

EA Personnel No: R22109024

EA License No: 95C5411

We are seeking a skilled Systems Architect to manage and maintain our enterprise firewalls, ensuring optimal security posture.

• Develop and implement effective firewall management strategies to enhance security.
• Collaborate with IT teams to ensure seamless integration of firewall solutions.
• Monitor and analyze firewall performance to identify areas for improvement.

• Strong background in systems engineering and architecture.
• Proficiency in firewall management software and technologies.
• Excellent analytical and problem-solving skills.

Our team offers a dynamic and supportive work environment, opportunities for professional growth, and a competitive compensation package.

Join a talented team of professionals who share your passion for innovation and excellence. We value diversity, inclusion, and collaboration, and we're committed to making a positive impact in the industry.

We are looking for a skilled and detail-oriented Firewall Administrator to oversee the operation, administration, and support of our firewall infrastructure.

Responsibilites

• Lead in network related hardware/software/firmware incident management.
• Administer, configure, and maintain enterprise firewalls and security appliances (e.g., Palo Alto, Fortinet, Cisco ASA/Firepower, Check Point).
• Maintain all the relevant network records and update all the documentations timely.
• Maintain Standard Operating Procedure, together with the customer to ensure the processes are in line and up to date as necessary.
• Perform daily system checks and monitoring and to highlight if any abnormalities are found.
• Ensure that network related equipment backups are running.
• Familiar with CISCO switches, load balancers and routers.
• Gather business and/or application requirements on the infrastructure to plan, design, install, test & implement systems in accordance with the specifications & service level.
• Aligned or enhanced ITSM/ITIL methodologies in daily operations e.g. Change, Incident, problem, release management & CMDB.
• Monitor & measure the performance & availability of systems proactively; implement corrective actions identified to improve performance & service level availability.
• Respond promptly to incident, root cause analysis & provide temporary and/or permanent resolution of incidents escalated. Provide timely status updates to relevant parties.
• Implement service continuity measures, i.e., backup/restore procedures & disaster recovery plan, to ensure continuous operation of the business.
• Create and maintain comprehensive documentation for all implemented networks.
• Assist in preparation of proposals and solution presentations.
• lead a team of network engineers.
• Evaluates internal & external business environment to develop long-term strategy for the unit/organizationAttain key certifications for partnership with key vendors.

Required Qualifications:

• Bachelor’s degree in Information Technology, Computer Science, or related field.
• Hands-on experience in network infrastructure roles, including leadership or senior-level positions.
• Strong knowledge of Cisco networking technologies (routers, switches, load balancers).
• Proven experience in incident management, troubleshooting, and root cause analysis.
• Familiarity with ITSM/ITIL practices and frameworks.
• Solid understanding of disaster recovery planning and backup/restore procedures.
• Demonstrated ability to lead technical teams and manage cross-functional projects.

The firewall engineer is expected to :

• Work on enterprise firewall management, incident response

• Support the department on policy and governance matters

• To be on standby with on-call availability with varied shifts including nights, weekends and holidays on rotational basis

This is a 2 years direct contract position with Synapxe

• Firewall Management: Configure, deploy, and maintain Fortinet and Palo Alto firewalls, ensuring optimal security posture

• Algosec Administration: Assist in managing firewall policy automation, compliance checks, and risk analysis using Algosec

• Team Leadership (For more senior candidates): Mentor junior engineers, coordinate firewall-related projects, and ensure best practices are followed

• Governance & Compliance: Support the HOD in audits, risk assessments, and security policy enforcement

• Automation & Scripting: Develop and maintain scripts (Python, Ansible, etc.) to automate firewall rule management and reporting

• Incident Response: Troubleshoot firewall-related issues, perform root cause analysis, and implement fixes

• Vulnerability Management: Work with the security team to address firewall-related vulnerabilities and apply patches

• Documentation: Maintain detailed records of firewall rules, changes, and compliance reports

• Possess a Professional certificate/NITEC/Diploma in Computer Engineering/Information Technology or equivalent

• Min 5 years of hands-on experience managing Enterprise Firewalls (NGFW, VPN, IPS/IDS)

• Experience with Algosec for firewall policy management (preferred)

• Strong understanding of networking (TCP/IP, BGP, VPNs, routing/switching)

• Scripting knowledge (Python, Bash, PowerShell, etc) for automation tasks

• Team leadership or mentoring experience is highly desirable

• Familiarity with cloud security (AWS/Azure firewalls) is a plus

• Certifications such as PCNSE (Palo Alto), NSE (Fortinet), or CISSP/CCSP are advantageous

• Strong analytical skills and ability to work in a fast-paced environment

Roles & Responsibilities:

• Firewall Management: Configure, deploy, and maintain Fortinet and Palo Alto firewalls, ensuring optimal security posture.
• Algosec Administration: Assist in managing firewall policy automation, compliance checks, and risk analysis using Algosec.
• Team Leadership (For more senior candidates): Mentor junior engineers, coordinate firewall-related projects, and ensure best practices are followed.
• Governance & Compliance: Support the HOD in audits, risk assessments, and security policy enforcement.
• Automation & Scripting: Develop and maintain scripts (Python, Ansible, etc.) to automate firewall rule management and reporting.
• Incident Response: Troubleshoot firewall-related issues, perform root cause analysis, and implement fixes.
• Vulnerability Management: Work with the security team to address firewall-related vulnerabilities and apply patches.
• Documentation: Maintain detailed records of firewall rules, changes, and compliance reports.

Requirements & Qualifications:

• Bachelor in Computer engineering or equivalent
• Min 5 years of hands-on experience managing Enterprise Firewalls (NGFW, VPN, IPS/IDS).
• Experience with Algosec for firewall policy management (preferred).
• Strong understanding of networking (TCP/IP, BGP, VPNs, routing/switching).
• Scripting knowledge (Python, Bash, PowerShell, etc) for automation tasks.
• Team leadership or mentoring experience is highly desirable.
• Familiarity with cloud security (AWS/Azure firewalls) is a plus.
• Certifications such as PCNSE (Palo Alto), NSE (Fortinet), or CISSP/CCSP are advantageous.
• Strong analytical skills and ability to work in a fast-paced environment.

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 <1ms ultra low latency performance and clean-pipe connectivity as a default

· 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 clinchingnumerous awardsfor 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.

Incident Response Management

• 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.

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 <1ms ultra low latency performance and clean-pipe connectivity as a default
• 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 Associate

• Employment type Full-time

• Job function Information Technology

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