425 Security Support jobs in Singapore

Cyber Security Support

Network Security Support - knowledge

Network Solutions - Symantec

KEY ROLES AND RESPONSIBILITIES

• Perform Network Security operations.

• Responsible for installation/configuration/upgrade of security infrastructure (Firewalls).

• Prepare documentation for security technical standards, standard operational procedures, and hardening standards.

• Coordinate and implement appropriate technical security systems.

• Monitor, analyse, respond and resolve security incidents, conduct investigative procedures and implement corrective measures.

QUALIFICATIONS & EXPERIENCE

• Degree in Computer Science / Engineering or its equivalent.

• Knowledgeable in Network Security, Cyber Security in the operational environment.

• Expertise across a variety of security products including firewalls

• Must have experience in Firewalls management and migrations of Firewalls.

• Must have experience in network operational support.

Cyber Security Support

Network Security Support - knowledge

Network Solutions - Symantec

KEY ROLES AND RESPONSIBILITIES

• Perform Network Security operations.

• Responsible for installation/configuration/upgrade of security infrastructure (Firewalls).

• Prepare documentation for security technical standards, standard operational procedures, and hardening standards.

• Coordinate and implement appropriate technical security systems.

• Monitor, analyse, respond and resolve security incidents, conduct investigative procedures and implement corrective measures.

QUALIFICATIONS & EXPERIENCE

• Degree in Computer Science / Engineering or its equivalent.

• Knowledgeable in Network Security, Cyber Security in the operational environment.

• Expertise across a variety of security products including firewalls

• Must have experience in Firewalls management and migrations of Firewalls.

• Must have experience in network operational support.

Cyber Security Support

Network Security Support - knowledge

Network Solutions - Symantec

KEY ROLES AND RESPONSIBILITIES

• Perform Network Security operations.

• Responsible for installation/configuration/upgrade of security infrastructure (Firewalls).

• Prepare documentation for security technical standards, standard operational procedures, and hardening standards.

• Coordinate and implement appropriate technical security systems.

• Monitor, analyse, respond and resolve security incidents, conduct investigative procedures and implement corrective measures.

QUALIFICATIONS & EXPERIENCE

• Degree in Computer Science / Engineering or its equivalent.

• Knowledgeable in Network Security, Cyber Security in the operational environment.

• Expertise across a variety of security products including firewalls

• Must have experience in Firewalls management and migrations of Firewalls.

• Must have experience in network operational support.

Overview:We are seeking a skilled Network Security & Troubleshooting Specialist to join our team. The ideal candidate will have a strong understanding of network technologies including MPLS, Firewalls, Proxies, and DNS. This role requires the ability to troubleshoot and resolve complex network issues efficiently. While specific product knowledge is not mandatory, a robust understanding of these technologies and their applications in real-world scenarios is essential.

Key Responsibilities:

• L1, L2 Troubleshooting experience.
• Monitor and troubleshoot network issues related to MPLS, Firewalls, Proxies, and DNS.
• Maintain and configure F5 Load Balancers, including virtual servers, pools, and iRules.
• Conduct packet analysis and isolate network problems effectively.
• Collaborate with cross-functional teams to resolve network disruptions and optimize network performance.

Qualifications:

• Experience with network troubleshooting and understanding of MPLS, Firewalls, Proxy, and DNS.
• Hands-on experience with F5 Load Balancers preferred; F5 Certified Administrator (201) certification is beneficial but not required.
• Ability to analyze and interpret complex network systems.
• Strong problem-solving skills and capacity to work under pressure.

Working Hours:

• This position requires shift work based on a rotating schedule, including daytime hours and weekends (e.g., 2 days on, 3 days off, or 3 days on, 2 days off).

Don't miss out on this chance to be a part of a dynamic and growing team. Take the Next Step in your career journey with us

• To apply, please submit your updated resume along with your notice period, current salary package details, including base salary, incentives, annual wage supplement, and expected salary.
• Click on the 'Apply here' button to drop your resume directly or email it to
• Our team will review all applications and contact shortlisted candidates for further steps in the selection process.

Susmita Sahu

EA License No: 91C2918

Personnel Registration Number: R23114076

At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation.

Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.

Our Security as a Service (SaaS) Security Operations Center (SOC) is the frontline of defense against an ever-changing landscape of cyber threats. Every day, our clients face new attacks and evolving attack vectors—and our SOC stands as the epicenter of their protection.

As part of our Global SOC team, you will collaborate with experienced engineers to safeguard customers around the clock, stopping attackers in their tracks. In this role, you’ll be responsible for managing cloud-based security systems on behalf of our clients, ensuring real-time protection, detection, mitigation, and resolution of security events. As a SOC WAF (Web Application Firewall) Engineer, you’ll bring deep expertise in WAF technologies and serve as a skilled security defender.

Our SOC is a critical component of the Security & Distributed Cloud Portfolio. Here, you’ll work side by side with some of the world’s top Security Engineers, leveraging cutting-edge products to defend against online fraud, DDoS attacks, application-layer exploits, and other evolving threats. Together, we analyze industry trends, respond to real-time incidents, and develop innovative protection that keeps our clients secure.

Beyond responding to security incidents, you’ll also have the opportunity to mentor and train colleagues, refine processes, share security best practices, and research emerging attacks and defenses. Ideal candidates are passionate about information security, thrive on solving complex problems, excel under pressure, and are committed to continuous improvement for themselves and their teams.

This role may be required to work outside of core business hours including early morning, late evening, overnight, weekends, and holidays.

Sounds interesting? Read on!

• Take proactive and reactive steps to mitigate Application Layer security attacks or threats against our customers

• Interact directly with customers who are under attack via phone, chat, email and/or ticketing systems

• Provide proactive and real-time guidance to customers on security protocols and defensive security response

• Document actions taken in incident management systems, knowledge base, or ticketing systems as required

• Establish yourself as a trusted security advisor internally and externally

• Assist clients with onboarding and provisioning

• Engage and support cross-functional teams

• Appropriately manage time and customer issues based on issue severity and business needs

• Collaborate with Product Management and Development on requirements and product release activities

• Identify, define, and implement process and procedure improvements

• Ensures documented processes and procedures are relevant and up to date

• B.S/A.S, in Information System Security or related degree/experience

• 1-2 years’ experience administering Web Application Firewalls

• Familiarity with programming or scripting language.

• Understanding in common enterprise network technologies

• Technical knowledge of, and experience troubleshooting TCP/IP networks and ability to perform log file analysis

• Detailed protocol analysis using tools such astcpdump, tshark, and Wireshark

• Packet manipulation and crafting using tools such as hping, scapy, and iptables

• Traffic generation and replay using tools such as apachebench and tcpreplay

Familiarity with F5 hardware and software (Big-IP, TMOS, i

Rules, i

Apps, i

Control, etc.)

• Fundamental Linux skills

• Have experience in analysis using tools such as Fiddler, HttpWatch, Burp Suite, socat, and netcat.

• Familiarity with SQL injection, cross-site scripting, web scraping, CSRF, brute force, cookie manipulation, parameter tampering, and other emerging Layer 4-7 attacks/vulnerabilities to define, configure, and manage security policies encouraging RFC compliance

• Skilled understanding and experience with HTTP and web application security (school project experience counts)

• Must be able to communicate technical and operational details fluently in English (written and oral)

• Troubleshooting and problem-solving ability including analytical thinking and a strong attention to detail

• Excellent customer service skills

• Hybrid working mode

• Career growth and development opportunities

• Recognitions and Rewards

• Employee Assistance Program

• Competitive pay, comprehensive benefits, and cool perks

• Culture of Giving Back

• Dynamic Diversity & Inclusion Interest Groups

Apply if you believe your own unique capabilities can contribute to the success of this role and our organization!

#LI-BH1

The Job Description is intended to be a general representation of the responsibilities and requirements of the job. However, the description may not be all-inclusive, and responsibilities and requirements are subject to change.

Please note that F5 only contacts candidates through F5 email address (ending with @f5.com) or auto email notification from Workday (ending with f5.com or @myworkday.com) .

Equal Employment Opportunity

It is the policy of F5 to provide equal employment opportunities to all employees and employment applicants without regard to unlawful considerations of race, religion, color, national origin, sex, sexual orientation, gender identity or expression, age, sensory, physical, or mental disability, marital status, veteran or military status, genetic information, or any other classification protected by applicable local, state, or federal laws. This policy applies to all aspects of employment, including, but not limited to, hiring, job assignment, compensation, promotion, benefits, training, discipline, and termination. F5 offers a variety of reasonable accommodations for candidates.

Requesting an accommodation is completely voluntary. F5 will assess the need for accommodations in the application process separately from those that may be needed to perform the job. Request by contacting

At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation.

Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.

Our Security as a Service (SaaS) Security Operations Center (SOC) is the frontline of defense against an ever-changing landscape of cyber threats. Every day, our clients face new attacks and evolving attack vectors—and our SOC stands as the epicenter of their protection.

As part of our Global SOC team, you will collaborate with experienced engineers to safeguard customers around the clock, stopping attackers in their tracks. In this role, you’ll be responsible for managing cloud-based security systems on behalf of our clients, ensuring real-time protection, detection, mitigation, and resolution of security events. As a SOC WAF (Web Application Firewall) Engineer, you’ll bring deep expertise in WAF technologies and serve as a skilled security defender.

Our SOC is a critical component of the Security & Distributed Cloud Portfolio. Here, you’ll work side by side with some of the world’s top Security Engineers, leveraging cutting-edge products to defend against online fraud, DDoS attacks, application-layer exploits, and other evolving threats. Together, we analyze industry trends, respond to real-time incidents, and develop innovative protection that keeps our clients secure.

Beyond responding to security incidents, you’ll also have the opportunity to mentor and train colleagues, refine processes, share security best practices, and research emerging attacks and defenses. Ideal candidates are passionate about information security, thrive on solving complex problems, excel under pressure, and are committed to continuous improvement for themselves and their teams.

This role may be required to work outside of core business hours including early morning, late evening, overnight, weekends, and holidays.

Sounds interesting? Read on!

• Take proactive and reactive steps to mitigate Application Layer security attacks or threats against our customers

• Interact directly with customers who are under attack via phone, chat, email and/or ticketing systems

• Provide proactive and real-time guidance to customers on security protocols and defensive security response

• Document actions taken in incident management systems, knowledge base, or ticketing systems as required

• Establish yourself as a trusted security advisor internally and externally

• Assist clients with onboarding and provisioning

• Engage and support cross-functional teams

• Appropriately manage time and customer issues based on issue severity and business needs

• Collaborate with Product Management and Development on requirements and product release activities

• Identify, define, and implement process and procedure improvements

• Ensures documented processes and procedures are relevant and up to date

• B.S/A.S, in Information System Security or related degree/experience

• 1-2 years’ experience administering Web Application Firewalls

• Familiarity with programming or scripting language.

• Understanding in common enterprise network technologies

• Technical knowledge of, and experience troubleshooting TCP/IP networks and ability to perform log file analysis

• Detailed protocol analysis using tools such astcpdump, tshark, and Wireshark

• Packet manipulation and crafting using tools such as hping, scapy, and iptables

• Traffic generation and replay using tools such as apachebench and tcpreplay

Familiarity with F5 hardware and software (Big-IP, TMOS, i

Rules, i

Apps, i

Control, etc.)

• Fundamental Linux skills

• Have experience in analysis using tools such as Fiddler, Burp Suite, socat, and netcat.

• Familiarity with SQL injection, cross-site scripting, web scraping, CSRF, brute force, cookie manipulation, parameter tampering, and other emerging Layer 4-7 attacks/vulnerabilities to define, configure, and manage security policies encouraging RFC compliance

• Skilled understanding and experience with and web application security (school project experience counts)

• Must be able to communicate technical and operational details fluently in English (written and oral)

• Troubleshooting and problem-solving ability including analytical thinking and a strong attention to detail

• Excellent customer service skills

• Hybrid working mode

• Career growth and development opportunities

• Recognitions and Rewards

• Employee Assistance Program

• Competitive pay, comprehensive benefits, and cool perks

• Culture of Giving Back

• Dynamic Diversity & Inclusion Interest Groups

Apply if you believe your own unique capabilities can contribute to the success of this role and our organization!

#LI-BH1

The Job Description is intended to be a general representation of the responsibilities and requirements of the job. However, the description may not be all-inclusive, and responsibilities and requirements are subject to change.

Please note that F5 only contacts candidates through F5 email address (ending with @f5.com) or auto email notification from Workday (ending with f5.com or @myworkday.com) .

Equal Employment Opportunity

It is the policy of F5 to provide equal employment opportunities to all employees and employment applicants without regard to unlawful considerations of race, religion, color, national origin, sex, sexual orientation, gender identity or expression, age, sensory, physical, or mental disability, marital status, veteran or military status, genetic information, or any other classification protected by applicable local, state, or federal laws. This policy applies to all aspects of employment, including, but not limited to, hiring, job assignment, compensation, promotion, benefits, training, discipline, and termination. F5 offers a variety of reasonable accommodations for candidates.

Requesting an accommodation is completely voluntary. F5 will assess the need for accommodations in the application process separately from those that may be needed to perform the job. Request by contacting

At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation.
Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.
Role Overview:
Our Security as a Service (SaaS) Security Operations Center (SOC) is the frontline of defense against an ever-changing landscape of cyber threats. Every day, our clients face new attacks and evolving attack vectors—and our SOC stands as the epicenter of their protection.
As part of our Global SOC team, you will collaborate with experienced engineers to safeguard customers around the clock, stopping attackers in their tracks. In this role, you’ll be responsible for managing cloud-based security systems on behalf of our clients, ensuring real-time protection, detection, mitigation, and resolution of security events. As a SOC WAF (Web Application Firewall) Engineer, you’ll bring deep expertise in WAF technologies and serve as a skilled security defender.
Our SOC is a critical component of the Security & Distributed Cloud Portfolio. Here, you’ll work side by side with some of the world’s top Security Engineers, leveraging cutting-edge products to defend against online fraud, DDoS attacks, application-layer exploits, and other evolving threats. Together, we analyze industry trends, respond to real-time incidents, and develop innovative protection that keeps our clients secure.
Beyond responding to security incidents, you’ll also have the opportunity to mentor and train colleagues, refine processes, share security best practices, and research emerging attacks and defenses. Ideal candidates are passionate about information security, thrive on solving complex problems, excel under pressure, and are committed to continuous improvement for themselves and their teams.
This role may be required to work outside of core business hours including early morning, late evening, overnight, weekends, and holidays.
Sounds interesting? Read on!
What you will do:
Take proactive and reactive steps to mitigate Application Layer security attacks or threats against our customers
Interact directly with customers who are under attack via phone, chat, email and/or ticketing systems
Provide proactive and real-time guidance to customers on security protocols and defensive security response
Document actions taken in incident management systems, knowledge base, or ticketing systems as required
Establish yourself as a trusted security advisor internally and externally
Assist clients with onboarding and provisioning
Engage and support cross-functional teams
Appropriately manage time and customer issues based on issue severity and business needs
Collaborate with Product Management and Development on requirements and product release activities
Identify, define, and implement process and procedure improvements
Ensures documented processes and procedures are relevant and up to date
What you will bring:
B.S/A.S, in Information System Security or related degree/experience
1-2 years’ experience administering Web Application Firewalls
Familiarity with programming or scripting language.
Understanding in common enterprise network technologies
Technical knowledge of, and experience troubleshooting TCP/IP networks and ability to perform log file analysis
Detailed protocol analysis using tools such astcpdump, tshark, and Wireshark
Packet manipulation and crafting using tools such as hping, scapy, and iptables
Traffic generation and replay using tools such as apachebench and tcpreplay
Familiarity with F5 hardware and software (Big-IP, TMOS, i
Rules, i
Apps, i
Control, etc.)
Fundamental Linux skills
Have experience in analysis using tools such as Fiddler, Burp Suite, socat, and netcat.
Familiarity with SQL injection, cross-site scripting, web scraping, CSRF, brute force, cookie manipulation, parameter tampering, and other emerging Layer 4-7 attacks/vulnerabilities to define, configure, and manage security policies encouraging RFC compliance
Skilled understanding and experience with and web application security (school project experience counts)
Must be able to communicate technical and operational details fluently in English (written and oral)
Troubleshooting and problem-solving ability including analytical thinking and a strong attention to detail
Excellent customer service skills
What You’ll Get:
Hybrid working mode
Career growth and development opportunities
Recognitions and Rewards
Employee Assistance Program
Competitive pay, comprehensive benefits, and cool perks
Culture of Giving Back
Dynamic Diversity & Inclusion Interest Groups
Apply if you believe your own unique capabilities can contribute to the success of this role and our organization!
#LI-BH1
The Job Description is intended to be a general representation of the responsibilities and requirements of the job. However, the description may not be all-inclusive, and responsibilities and requirements are subject to change.
Please note that F5 only contacts candidates through F5 email address (ending with @f5.com) or auto email notification from Workday (ending with f5.com or
@myworkday.com)
.
Equal Employment Opportunity
It is the policy of F5 to provide equal employment opportunities to all employees and employment applicants without regard to unlawful considerations of race, religion, color, national origin, sex, sexual orientation, gender identity or expression, age, sensory, physical, or mental disability, marital status, veteran or military status, genetic information, or any other classification protected by applicable local, state, or federal laws. This policy applies to all aspects of employment, including, but not limited to, hiring, job assignment, compensation, promotion, benefits, training, discipline, and termination.
F5 offers a variety of reasonable accommodations for candidates.
Requesting an accommodation is completely voluntary. F5 will assess the need for accommodations in the application process separately from those that may be needed to perform the job. Request by contacting
#J-18808-Ljbffr

Overview: We are seeking a skilled Network Security & Troubleshooting Specialist to join our team. The ideal candidate will have a strong understanding of network technologies including MPLS, Firewalls, Proxies, and DNS. This role requires the ability to troubleshoot and resolve complex network issues efficiently. While specific product knowledge is not mandatory, a robust understanding of these technologies and their applications in real-world scenarios is essential.

Key Responsibilities:

• L1, L2 Troubleshooting experience.
• Monitor and troubleshoot network issues related to MPLS, Firewalls, Proxies, and DNS.
• Maintain and configure F5 Load Balancers, including virtual servers, pools, and iRules.
• Conduct packet analysis and isolate network problems effectively.
• Collaborate with cross-functional teams to resolve network disruptions and optimize network performance.

Qualifications:

• Experience with network troubleshooting and understanding of MPLS, Firewalls, Proxy, and DNS.
• Hands-on experience with F5 Load Balancers preferred; F5 Certified Administrator (201) certification is beneficial but not required.
• Ability to analyze and interpret complex network systems.
• Strong problem-solving skills and capacity to work under pressure.

Working Hours:

• This position requires shift work based on a rotating schedule, including daytime hours and weekends (e.g., 2 days on, 3 days off, or 3 days on, 2 days off).

Don't miss out on this chance to be a part of a dynamic and growing team. Take the Next Step in your career journey with us!

• To apply, please submit your updated resume along with your notice period, current salary package details, including base salary, incentives, annual wage supplement, and expected salary.
• Click on the 'Apply here' button to drop your resume directly or email it to .
• Our team will review all applications and contact shortlisted candidates for further steps in the selection process.

Susmita Sahu

EA License No: 91C2918

Personnel Registration Number: R23114076

Overview: We are seeking a skilled Network Security & Troubleshooting Specialist to join our team. The ideal candidate will have a strong understanding of network technologies including MPLS, Firewalls, Proxies, and DNS. This role requires the ability to troubleshoot and resolve complex network issues efficiently. While specific product knowledge is not mandatory, a robust understanding of these technologies and their applications in real-world scenarios is essential.

Key Responsibilities:

• L1, L2 Troubleshooting experience.
• Monitor and troubleshoot network issues related to MPLS, Firewalls, Proxies, and DNS.
• Maintain and configure F5 Load Balancers, including virtual servers, pools, and iRules.
• Conduct packet analysis and isolate network problems effectively.
• Collaborate with cross-functional teams to resolve network disruptions and optimize network performance.

Qualifications:

• Experience with network troubleshooting and understanding of MPLS, Firewalls, Proxy, and DNS.
• Hands-on experience with F5 Load Balancers preferred; F5 Certified Administrator (201) certification is beneficial but not required.
• Ability to analyze and interpret complex network systems.
• Strong problem-solving skills and capacity to work under pressure.

Working Hours:

• This position requires shift work based on a rotating schedule, including daytime hours and weekends (e.g., 2 days on, 3 days off, or 3 days on, 2 days off).

Don't miss out on this chance to be a part of a dynamic and growing team. Take the Next Step in your career journey with us!

• To apply, please submit your updated resume along with your notice period, current salary package details, including base salary, incentives, annual wage supplement, and expected salary.
• Click on the 'Apply here' button to drop your resume directly or email it to .
• Our team will review all applications and contact shortlisted candidates for further steps in the selection process.

Susmita Sahu

EA License No: 91C2918

Personnel Registration Number: R23114076