F5
Security Support Engineer – DDoS (Singapore)
Singapore Office
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hirly's read of this role
- Role family
- Customer support
- Seniority
- Mid level
- Country
- SG
- Work mode
- On-site / unstated
- First seen by hirly
- 5 Nov 2026
Derived automatically from the posting. Upload your resume above to see how the role scores against it.
the posting
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 Managed Security Operations Center (SOC) is the epicenter of dynamic security events; clients under siege daily, with new attacks and attack vectors evolving continuously.
You will partner collaboratively with seasoned engineers to keep our customers safe and stop attackers cold, around the clock. As part of a Global SOC team, you will be responsible for managing cloud-based security systems on behalf of F5 clients, providing real time protection, detection, mitigation, and resolution of security events. The Managed Security Support Engineer is a master of identifying DDoS attacks and is a skilled security defender.
When not unravelling security issues, you may spend time mentoring and training colleagues, troubleshoot processes, and spreading security knowledge throughout the business or investigating new attacks and defenses.
A contender for this role possesses a passion for information security, enjoys solving problems and sharing knowledge with others, excels under pressure, and is continuously looking for opportunities for personal and team improvement.
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’ll Do:
Take proactive and reactive steps to mitigate Layer 4-7 security threats against F5 clients
Interact directly with F5 clients who are under attack via phone, chat, email and/or ticketing systems
Provide proactive and real-time guidance to customers on network configuration, security protocols, and defensive security response
Document activities taken in incident management systems, knowledge base, or ticketing systems, as required
Establish yourself as a trusted security advisor internally and externally
Assist F5 clients with onboarding and provisioning
Engage and support cross-functional teams
Investigate new attacks and vulnerabilities
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’ll Bring:
Interest in Cyber security and/or Network security, and/or prior NOC or SOC experience.
B.S/A.S, in Information System Security or related degree/experience
Background in Security Incident Response
Familiarity with a programming or scripting language
Fluency in additional languages
Experience with F5 hardware and software (Big-IP, TMOS, iRules, iApps, iControl, etc.)
- Understanding in common enterprise network technologies
- 0-2 years’ experience in the Information Security or Network Security field.
Ability to excel in a dynamic, challenging, security-oriented operations environment
Undaunted by, and quickly capable of, coming up to speed on new and developing technologies
Must be able to communicate technical and operational details fluently in English (written and oral)
Excellent customer service skills
Troubleshooting and problem-solving ability including analytical thinking and a strong attention to detail
Experience with global routing and networking technologies (GRE, BGP, ASN routing)
Good understanding of HTTP
Technical knowledge in troubleshooting TCP/IP networks
Fundamental Linux skills
Knowledge of Layer 7 DDoS attack mitigation
Ability to perform log file analysis
Ability to develop creative, efficient solutions to complex problems
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 accommodations@f5.com .
Listed on hirly, a job board. hirly is not the employer: F5 is hiring for this role.
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