1,463 Firewall Engineer jobs in Singapore

Key Responsibilities:

• Design, configure, and maintain firewall systems to safeguard the organization's network.
• Monitor firewall performance and security events, responding promptly to incidents and threats.
• Implement firewall policies, rules, and access controls in alignment with security best practices.
• Collaborate with network, security, and IT teams to integrate firewall solutions with other security tools.
• Conduct regular firewall audits, vulnerability assessments, and compliance checks.
• Troubleshoot and resolve firewall-related issues and network connectivity problems.
• Stay updated on the latest firewall technologies, threats, and industry trends.
• Document firewall configurations, changes, and procedures.
• Provide technical support and guidance to other IT staff and stakeholders.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.
• Proven experience as a Firewall Engineer or similar role.
• Strong knowledge of firewall platforms such as Cisco ASA, Palo Alto Networks, Fortinet, Check Point, or similar.
• Experience with VPN technologies, intrusion detection/prevention systems (IDS/IPS), and network protocols.
• Familiarity with network security principles and best practices.
• Excellent analytical and problem-solving skills.
• Relevant certifications such as CCNP Security, Palo Alto PCNSE, Fortinet NSE, or equivalent are a plus.
• Strong communication and teamwork skills.

Key Responsibilities:

• Design, configure, and maintain firewall systems to safeguard the organization's network.
• Monitor firewall performance and security events, responding promptly to incidents and threats.
• Implement firewall policies, rules, and access controls in alignment with security best practices.
• Collaborate with network, security, and IT teams to integrate firewall solutions with other security tools.
• Conduct regular firewall audits, vulnerability assessments, and compliance checks.
• Troubleshoot and resolve firewall-related issues and network connectivity problems.
• Stay updated on the latest firewall technologies, threats, and industry trends.
• Document firewall configurations, changes, and procedures.
• Provide technical support and guidance to other IT staff and stakeholders.

Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related field.
• Proven experience as a Firewall Engineer or similar role.
• Strong knowledge of firewall platforms such as Cisco ASA, Palo Alto Networks, Fortinet, Check Point, or similar.
• Experience with VPN technologies, intrusion detection/prevention systems (IDS/IPS), and network protocols.
• Familiarity with network security principles and best practices.
• Excellent analytical and problem-solving skills.
• Relevant certifications such as CCNP Security, Palo Alto PCNSE, Fortinet NSE, or equivalent are a plus.
• Strong communication and teamwork skills.

The Network Support Engineer role is for a StarHub Subsidiary. The Engineer will be based at StarHub Green to coordinate, manage the scope as stated below:

• Provide hardware/software break-fix support for business-critical systems across various industries, including Hospitality, Healthcare, Government, and Financial sectors.
• Troubleshoot and resolve network issues reported by managed service agents, identifying root causes and implementing timely solutions.
• Lead and deliver Tech-Refresh projects, ensuring timely completion.
• Mentor and provide guidance to junior team members.
• Participate in a 24/7 rotational standby duty for P1/P2 escalations after office hours, including weekends and public holidays.
• Design and implement new network solutions and/or optimize the efficiency of current networks.
• Monitor, troubleshoot, and maximize network performance through ongoing maintenance and optimization.
• Deliver Client Success key account services, including change requests, preventative maintenance, and standby support.
• Perform network maintenance and system upgrades including certificate updates, patches, hot fixes and security configurations.
• Performing Risk Assessment and bug scrub reviews on reported security network vulnerabilities from vendor products.
• Report network status and performance to key stakeholders.

Qualifications -Minimum of 5 years of relevant experience in network support operations for large-scale network infrastructure.

• Strong knowledge of network technologies, including routing, switching, firewalls, FTTH access networks, SASE, and SD-WAN.
• Proficient in configuring firewalls, routing & switching and wireless network to maximize network efficiency and security.
• Proven expertise in core switching and routing
• Hands-on experience with Firewall/Security technologies (Palo Alto, Fortinet, Cisco, SASE, SD-WAN).
• Hands-on experience with NAC technologies (Aruba Clearpass or Cisco ISE).
• Good project management, configuration, troubleshooting skills
• Good customer interaction, written and oral communication skills
• Ability to work with all levels, and ability to work and contribute in a team or individually

To APPLY NOW, click on Skye

This role is essential for managing and supporting the firewall and broader network infrastructure within public healthcare environments. The Level 2 Network Engineer will work collaboratively with Level 1 and other Level 2/3 teams to ensure secure, stable, and efficient network operations across multiple locations.
Key Responsibilities:
Provide Level 2 support for
firewall and intrusion prevention systems (IPS) —handling setup, rule management, monitoring, and troubleshooting.
Collaborate with cross-functional teams to support network and security devices deployed across multiple healthcare campuses.
Maintain and optimize
firewall configurations and policies
in alignment with security standards.
Respond to security incidents in coordination with the security operations team, including root cause analysis and remediation.
Support
core network infrastructure , including routers, switches, and wireless controllers.
Participate in change management processes and assist with root cause analysis for network or security-related problems.
Ensure SLAs are met and contribute to regular performance and incident reporting using
ITSM/ITOM tools .
Contribute to
capacity planning and system optimization
efforts for both firewall and network components.
Maintain clear and updated documentation for configurations, troubleshooting procedures, and network policies.
Must-Have:
Diploma or degree in IT, Computer Science, or related field.
3 to 5 years
of hands-on experience with
firewall administration and enterprise network support .
Strong working knowledge of
firewall platforms
such as
Palo Alto, Fortinet, or Cisco ASA/Firepower .
Solid understanding of key
network protocols
(TCP/IP, VLANs, VPNs, BGP, OSPF).
Familiarity with
intrusion detection/prevention systems
and network security monitoring tools.
Experience with
ITSM/ITOM platforms
for ticketing, incident, and change management.
Comfortable working across
multiple sites
and supporting both onsite and remote environments.
Strong problem-solving, troubleshooting, and analytical skills.
Preferred:
Certifications like
CCNP Security, Fortinet NSE, or Palo Alto PCNSE .
Background in
healthcare IT
or large enterprise environments.
Knowledge of
vulnerability scanning and remediation
processes.
Work Environment:
May require regular travel between healthcare facilities within a short radius.
Involves collaboration with onsite engineers and senior support teams.
Participation in
after-hours support
may be required based on operational needs
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NCS is a leading technology services firm that operates across the Asia Pacific region in over 20 cities, providing consulting, digital services, technology solutions, and more. We believe in harnessing the power of technology to achieve extraordinary things, creating lasting value and impact for our communities, partners, and people. Our diverse workforce of 13,000 has delivered large-scale, mission-critical, and multi-platform projects for governments and enterprises in Singapore and the APAC region.

As a Network Engineer Cyber EndPoint+NW Sec, you’ll be responsible to designed to meet critical business objectives by applying industry knowledge and technical expertise to solve complex network security challenges. The role holder is responsible for ensuring the integrity and efficiency of the organization's firewall infrastructure , leveraging tools like AlgoSec for policy management and integrating them with automation tools such as Ansible and Terraform.

What will you do?

• Implement and manage AlgoSec firewall management solution to streamline policy management and enhance overall security posture
• Design, deploy, and support Check Point, Fortinet, Palo Alto and Sophos firewall infrastructures in large enterprise environments
• Develop and enforce security standards for network and perimeter security platforms
• Conduct vulnerability assessments and penetration tests on systems and networks
• Troubleshoot complex security issues and analyze security anomalies
• Configure firewalls, switches, and other network security devices
• Manage firewall policies, rules, and objects to ensure optimal performance and security
• Perform firewall upgrades, migrations, and implement high availability configurations
• Collaborate with cross-functional teams to implement appropriate network monitoring and security measures
• Utilize automation tools such as Ansible and Terraform to configure and manage network security equipment

The ideal candidate should possess:

• Proven expertise in Check Point, Fortinet, Palo Alto, and Sophos firewall platforms.
• Ability to design, deploy, and support these technologies in large enterprise environments.
• Experience implementing and managing Firewall for policy optimization, compliance, and change management.
• Deep understanding of network and perimeter security standards.
• Ability to troubleshoot complex security issues and analyze anomalies across systems and networks.
• Experience conducting vulnerability assessments and penetration tests to identify and remediate risks.
• Familiarity with Ansible and Terraform for automating configuration and management of network security devices.
• Due to government project sensitivity, we will only consider Singapore Citizen

We are driven by our AEIOU beliefs—Adventure, Excellence, Integrity, Ownership, and Unity —and we seek individuals who embody these values in both their professional and personal lives. We are committed to our Impact: Valuing our clients, Growing our people, and Creating our future .

Together, we make the extraordinary happen .

Learn more about us at ncs.co and visit our LinkedIn career site.

Overview
You’ll monitor and support F5 load balancers, firewalls, and network security systems, helping ensure smooth operations across our IT infrastructure.
Responsibilities
Monitor and troubleshoot F5 load balancers and firewall devices.
Resolve network/security issues or escalate them to the right teams.
Maintain accurate documentation of incidents and solutions.
Work closely with senior engineers to implement changes and improvements.
Experience
2+ years of IT experience, including 1+ year in a Command Centre or similar operations role.
CompTIA A+ (or equivalent) certification required.
CompTIA Network+ and/or Security+ preferred.
ITIL v3 Foundation certification required.
Hands-on experience with F5 and firewall technologies.
Strong problem-solving skills and good communication.
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You’ll monitor and support F5 load balancers, firewalls, and network security systems, helping ensure smooth operations across our IT infrastructure.

Reponsibilities

• Monitor and troubleshoot F5 load balancers and firewall devices.
• Resolve network/security issues or escalate them to the right teams.
• Maintain accurate documentation of incidents and solutions.
• Work closely with senior engineers to implement changes and improvements.

Experience:

• 2+ years of IT experience, including 1+ year in a Command Centre or similar operations role.
• CompTIA A+ (or equivalent) certification required.
• CompTIA Network+ and/or Security+ preferred.
• ITIL v3 Foundation certification required.
• Hands-on experience with F5 and firewall technologies.
• Strong problem-solving skills and good communication.

• Provides Centralize technical support (Network, Cyber and Server) for clients
• Ensure SLA Level is achieved every single fault case.
• Ensure escalation is carried out when a fault call is beyond the knowledge of L1/L2.
• Attend to daily call assignment when not in standby during office hours.
• Participate in maintenance standby duty to cover 24x7 support on rotational basis pre assigned by the team lead
• Perform weekend or after office hours duty though not on standby if required.
• Attend to preventive maintenance not limited to hardware inventory.
• Follow up case from opening till closure.
• Update incident tickets properly and promptly.
• Get certifications required to support key customers.
• Train L1/L2 on his own competency. Example firewall/legacy products
• New assignment by Ops manager or TSM when needed.

Requirements:

• Min Diploma in any IT related disciplines
• Minimum 3 years of hands-on experience in network and/or security engineering roles
• Solid knowledge of Checkpoint Firewall with Switching and Routing
• Experienced in Palo alto Fortinet
• Relevant network/security certifications are preferred

• Configure, and manage Cisco Catalyst Switches (IOS), Cisco Nexus Switches (NXOS), and Alcatel Lucent Switches (AOS) to maintain a secure and efficient network infrastructure.
• Implement and maintain Palo Alto and Fortinet Fortigate Firewalls for network security and access control.
• Administer Alcatel Lucent Wireless Controllers to ensure a secure and robust wireless network environment.
• Utilize SolarWinds NPM (Network Performance Monitor) and NCM (Network Configuration Manager) for network monitoring and configuration management.
• Manage and maintain ClearPass Policy Manager for network access control and policy enforcement.

Requirements:

• Bachelor's degree in Computer Science, Information Technology, or related field.
• 3+ years of experience in network security engineering.
• Proficiency in Cisco Catalyst Switches (IOS), Cisco Nexus Switches (NXOS), and Alcatel Lucent Switches (AOS).
• Experience in configuring and managing Palo Alto and Fortinet Fortigate Firewalls.
• Handson experience with Alcatel Lucent Wireless Controllers.
• Familiarity with SolarWinds NPM / NCM for network monitoring and configuration management.
• Proficient in ClearPass Policy Manager for network access control and policy enforcement.
• Knowledge of network protocols, security architectures, and best practices.
• Strong analytical and problemsolving skills with attention to detail.
• Excellent communication and teamwork abilities.
• Experience with other firewall solutions beyond Palo Alto and Fortinet, such as Check Point or Cisco ASA. Proficiency in network encryption protocols and VPN technologies.
• Understanding of network segmentation and micro-segmentation principles.
• Knowledge of intrusion detection/prevention systems (IDS/IPS).