Sr Site Reliability Engineer jobs at F5 in Singapore

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.

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

• 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 as tcpdump, 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, iRules, iApps, iControl, 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 4-7attacks/vulnerabilitiesto 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, , and cool perks

• Dynamic Interest Groups

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.

• Manage production environment by monitoring availability and alerts, promptly remediating any issues in the production environment.

• Design and deliver infrastructure solutions that will help build, deploy, and manage the service components of the platform.

• Investigate various open-source and proprietary technologies, components, libraries, tools, etc., and help build a highly available, highly scalable, and easily manageable system.

• Demonstrate technical leadership in multiple domain areas, providing mentorship to other team members, as well as partnering with development teams to improve services on an ongoing basis.

• Take responsibility and ownership of F5 Cloud Platform software components, delivering a complete product that meets functional, scale, performance, and manageability requirements.

• Write clean, efficient code in multiple languages (e.g., Python, Golang) while considering performance, scalability, maintainability, and flexibility. Develop tooling and processes to ensure that the F5 Cloud platform is highly available, scalable, andhigh-performing.

• Remediate security vulnerabilities in our services and platform on a regular basis, and participate in on-call rotation.

• Architect and maintain F5’s foundational cloud platform services (for example, infrastructure abstraction, provisioning, and deployment tooling) to ensure consistency, reliability, and scalability across the organization.

• Develop and maintain Infrastructure as Code (IaC) pipelines, leveraging tools such as Terraform, Helm to automate provisioning, configuration, and environment orchestration.

• Collaborate with cross-functional teams—SREs, application engineers, and QA—to define platform requirements, set best practices, and drive adoption of platform tools that improve the developer experience.

• Create self-service interfaces and documentation for developers, enabling them to deploy, monitor, and manage applications more easily and securely on the platform.

• Define platform-level SLOs and SLIs in collaboration with stakeholders, ensuring robust performance monitoring and effective capacity planning.

• Continuously evaluate and introduce new technologies and frameworks to enhance the platform’scapabilities—focusingon operational efficiency, cost optimization, and developer productivity.

• BS/MS degree in Computer Science or equivalent with 5+ years of experience in an SRE/Platform Engineering/DevOps role.
• Proven experience designing, building, and managing distributed, highly available systems and network control planes.
• Attention to detail, a “can-do” attitude, and a mindset to raise the bar are a must.
• Strong familiarity with DevOps tools, CI/CD practices, and automation frameworks.
• Deep understanding of Linux Systems (previous system administrator experience is a plus).
• Proficiency in Python or Golang development, including designing and building scalable microservices and tooling.
• Hands-on experience with DNS, Security, Virtualization, Containers, Kubernetes, and at least one major cloud platform (AWS, Azure, GCP). Experience with capacity planning and cost optimization preferred.
• Excellent interpersonal and communication skills, with the ability to collaborate across teams and functions effectively.

• Hybrid working mode

• Career growth and development opportunities

• Recognitions and Rewards

• Employee Assistance Program

• Competitive pay,,and cool perks

• Dynamic Interest Groups

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.

• Develop and implement technical strategies that support the overall sales objectives of the organization.

• Act as a thought leader in the industry, representing the company at conferences, webinars, and industry events.

• Lead the design of highly complex, integrated solutions that address the unique challenges of strategic clients.

• Mentor other solutions engineers, providing guidance on complex technical and strategic issues.

• Engage with strategic clients at the executive level to understand their long-term goals and align solutions accordingly.

• Considered an internal subject matter expert within the function.

• Consistently acts as a resource for other functions such as sales engineering, sales management, and inside sales.

• Requires conceptual thinking to understand advanced issues and implications.

• Ability to select and improve processes to sell across F5’s product portfolio.

• Expert level understanding of Web Protocols and application architectures (HTTP/TLS/SSL), programming languages (Python, JavaScript, Golang, etc.), and Kubernetes concepts and architectures.

• Deep understanding of PKI concepts, Certificate Authority, OCSP, Certificate Providers.

• Advanced knowledge of Data Center, Virtualization, Cloud computing environments, Solution Performance, and Sizing.

• Expert in Solution designs for large-scale environments and Vertical Market solutions.

• Hybrid working mode

• Career growth and development opportunities

• Recognitions and Rewards

• Employee Assistance Program

• Competitive pay, and cool perks

• Dynamic Interest Groups

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.

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.

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

• 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 as tcpdump, 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, iRules, iApps, iControl, 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 4-7attacks/vulnerabilitiesto 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, , and cool perks

• Dynamic Interest Groups

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.

What You’ll Do:

• Uphold F5’s Business Code of Ethics. Promptly report violations of the Code or other company policies and to adhere to F5 data integrity standards, especially in regard to customer records and install base records
• Process all RMA Requests following standard processes as documented under F5 QMS. This includes at a minimum ordering the Replacement from the appropriate location, associating the serial number of the replacement to the Parent ID, and executing allow move to ensure Replacement unit can be licensed
• Work as part of a Global Team of RMA Coordinators providing worldwide service and provide regional leadership as well as training and act as mentor to RMA Coordinator Team members on Service Order processing enhancements and improving overall execution
• Working in the F5 Customer Relationship Management Tool, monitor RMA Queues and respond to 4 Hour Service Order Requests in under 10 minutes and Service Order Requests in under 120 minutes
• Ensure Service Order requests from NSE’s are complete and accurate with valid entitlement. Assume overall responsibility for documented Service Order processing flow within F5’s QMS including continual improvement and to provide accurate and timely communication on Service Order status to all concerned parties
• Perform Technical Service Coordinator duties from time-to-time, handle additional administrative responsibilities, reports and/or projects that involve Customer Support at management discretion as well as other related duties as assigned
• Research entitlement issues and multiple units under one parent ID at request of Professional Services, Inside Sales, and other interested parties as well as to work with Support Duty Managers to evaluate options for meeting customer requests for service beyond entitlement by following standard Escalations process as documented under QMS

What You’ll Bring:

• Associates Degree or better is preferred
• 3-5 years of experience working in customer service or sales and 1 -2 years of experience with data entry and working with databases, working in a high-volume environment, handling customer interactions via phone and email, multi-tasking and coordinating cross-functional activities
• Highly motivated, goal oriented and self-directed with excellent logistical & communication skills in English
• Able to work both as a member and independently in a global 24 x 7 team
• Able to share knowledge freely with peers across international boundaries and cultures
• Possess working knowledge of the IT industry maintenance practices such as Microsoft Suite experience and Salesforce Applications, especially Service Cloud (power user definitive plus), and database knowledge a plus
• Strong organizational and time management skills and able and willing to use solid judgment and make decisions to support customers in fluid and ambiguous situations

What You’ll Get:

• Hybrid working mode
• Career growth and development opportunities
• Recognitions and Rewards
• Employee Assistance Program
• Competitive pay,, and cool perks
• Dynamic interest groups

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.

• Manage production environment by monitoring availability and alerts and promptly remediate any issues that arise in production environment

• Design and deliver infrastructure solutions that will help build, deploy and handle the service components of the platform

• Continuously evaluate and introduce new technologies and frameworks to enhance the platform’scapabilities—focusingon operational efficiency, cost optimization, and developer productivity.

• Demonstrate technical leadership in multiple domain areas, providing mentorship to other team members as well as partnering with development teams to improve services on an on going basis.

• Hands-on coding in multiple languages while considering performance, scalability, maintainability, flexibility as well as develop tooling, processes to make sure F5 Cloud highly available, scalable and highly performant

• Remediate security vulnerabilities in our servicesandplatform onaregular basis,and participate in on-call rotation.

• Architect and maintain F5’s foundational cloud platform services (for example, infrastructure abstraction, provisioning, and deployment tooling) to ensure consistency, reliability, and scalability across the organization.

• Collaborate with cross-functional teams—SREs, applicationengineers, and QA—to define platform requirements, set best practices, and drive adoption of platform tools that improve the developer experience.

• Create self-service interfaces and documentation for developers, enabling them to deploy, monitor, and manage applications more easily and securely on the platform.

• BS/MS degree in Computer Science or equivalent with 5+ years of experience in SREDevelopment/Operationsdomain

• Experience with building and designing distributed network control plane

• Attention to detail, can do attitude and mindset to raise the bar is a must

• Technical confidence and familiarity with DevOps tools

• Deep understanding about Linux System. Prior experience as a system administrator is highly desirable

• Hands on experience with Python or Golang

• Hands on experience with DNS, Security, Virtualization, Containers, Capacity planning, Kubernetes and at least one of the Cloud Platforms (AWS, Azure, GCP)

• Hybrid working mode

• Career growth and development opportunities

• Recognitions and Rewards

• Employee Assistance Program

• Competitive pay,,and cool perks

• Dynamic Interest Groups

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.

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.