125 Firewall Administration jobs in Singapore

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
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Join to apply for the
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

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

• A collaborative and supportive team environment.
• Opportunity to work on cutting-edge technologies.

This organisation is a well-established player within the technology industry, recognised for its innovation and commitment to delivering high-quality services. With a strong presence globally, they prioritise operational excellence and cutting-edge solutions.

• Set up the Security Administration by defining needs and creating key processes.
• Handle hands-on tasks during the move from local to regional administration.
• Work with Regional Cyber Security leadership to assign team responsibilities like user management, certificate handling, and security configurations.
• Serve as the Identity & Access Management expert, guiding centralized authentication and access reviews.
• Support incident response efforts including investigation and remediation.
• Manage relationships with external vendors.
• Oversee security resources APAC, including those outside the team.
• Assist with other security projects as needed.

A successful Security Administration Lead should have:

· Bachelor's or above degree in Information Security, Computer Science or relate field.

· At least 8 years of experience in hands on cybersecurity, with prior management experience in a Security Administration role.

· Proven knowledge and experience with Identity & Access Management.

· Strong understanding of various cyber security technologies addressing the protection of identities, data, applications, endpoints and infrastructure.

· Demonstrated experience in applying security and risk frameworks such as: NIST, Mitre ATT&CK, Mitre DEFEND, ISO27K.

· Experience of running and maturing a Security Administration function.

· Professional certificates are good to have - (CISSP / CISM / SANS ).

• Opportunity to work with a leading organisation in the technology industry.
• Renewable contract position offering valuable experience and exposure.

If you are ready to take the next step in your career as a Security Administration Lead, we encourage you to apply today.

Contact

Shilpalekha Bhadoria (Lic No: R1876178 / EA no:18S9099)

Quote job ref

JN-072025-6799250

Phone number

+65 6541 9959

Michael Page International Pte Ltd | Registration No. 199804751N

5 days, 8.30am- 5.50pm, standby on rotating weeks

Salary: $3500 + standby allowance

Location: Bedok, and clients site whenever required

Job scope:

• To provide support on maintenance project.
• Handle system administration, network support, implementation, troubleshooting in Windows / Linux / Unix.
• Hands on experience in managing LAN / WAN / Routers / Switches / DNS / VPN and Firewall is preferred.

Requirements:

• At least a Diploma in Engineering (Electrical/Electronic), Computer Science/Information Technology or equivalent.
• Must have at least 1-2 years of Server experience
• Able to work on scheduled standby on rotating weeks

WhatsApp: (Shermaine)

Siah Sze Ming Reg No: R24125414

The Supreme HR Advisory Pte Ltd EA No: 14C7279

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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