
Application delivery and security
Platform Security Engineer at F5 Networks
About the role
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.
About the F5 Platform Security Team:
The team provides services and support to F5 development teams in all phases of the Secure Development Lifecycle – including Secure code review, Pen-testing, Threat modeling and analysis, best development practices training, security testing and certifications, vulnerability response, and management.
Position Summary:
This position is responsible for internal red-team penetration testing of F5’s BIG-IP product lines utilizing open-source, commercial, and home-grown tools. Consults with development teams on findings, remediation options, and automation of Po Cs. Manages assigned projects independently and in conjunction with Global F5 Pen-Testing Team.
Responsibilities:
- Hands-on penetration testing of F5 products
- Perform code and configuration security reviews in critical parts of the products
- Participating in threat modelling of new product features
- Manual identification and exploitation of security vulnerabilities.
- Detailed analysis of issues identified, including proof of concept, reproduction steps, and recommended remediation.
- Building custom instrumentation and tools to assist security assessment
- Presenting findings and working closely with architectural and development teams to ensure products developed in line with our security standards
- Assisting and mentoring with internal secure development education program
Qualifications:
- At least 5 years of expertise in hands-on Pen-Testing and security assessment.
- Proficient in reading code written in C, C++, JAVA (Golang and node.js as well is an advantage)
- Strong experience with assessment of containerized environments (docker, k8, Rest API) is a must.
- Experience with manual and automatic testing tools
- Low-level understanding of security principles, theories, and attacks.
- Strong understanding and background in Linux OS mechanisms, networking, and protocols.
- Experience in the pen testing of Web based, Linux based,
- Experience in developing tools in Python.
Desired Qualifications (Advantage)
- Shown experience with static code analysis and fuzzing tools
- Experience with traffic processing products assessment (Router, Load Balancer, DNS, FW, WAF)
- Bachelor’s degree in Computer Science or a closely related field with 7+ years of experience
- Knowledge of common pen test tools, such as Kali Linux, Metasploit, Burp Suite, Wireshark, Qualys, Network Mapper (NMAP), Nessus and others
- Industry certifications such as CEH, OSCP, OSCE, OSWE, GPEN, GCIH, GWAPT, or GXPN
- Thorough understanding of Secure SDLC, Dev Sec Ops and Security standards such as OWASP, CWE, NIST, OSSTMM etc.
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.
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.
Required skills
penetration testing
threat modeling
secure code review
vulnerability assessment
red teaming
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About F5 Networks

F5 Networks
PublicA multi-cloud application services and security company that specializes in application security, performance, and delivery.
5,001-10,000
Employees
Seattle
Headquarters
$2.8B
Valuation
Reviews
10 reviews
3.7
10 reviews
Work-life balance
3.2
Compensation
3.8
Culture
3.5
Career
3.3
Management
3.4
65%
Recommend to a friend
Pros
Great team and collaborative environment
Access to cutting-edge technology and innovation
Good compensation and benefits
Cons
High workload and long hours
Work-life balance challenges
Management issues and leadership concerns
Salary Ranges
31 data points
Mid/L4
Senior/L5
Mid/L4 · IS Security Engineer III - F5 Trust
1 reports
$156,000
total per year
Base
$120,000
Stock
-
Bonus
-
$156,000
$156,000
Interview experience
1 interviews
Difficulty
4.0
/ 5
Duration
14-28 weeks
Interview process
1
Application Review
2
Recruiter Screen
3
Technical Phone Screen
4
Onsite/Virtual Interviews
5
Final Round Interview
Common questions
Coding/Algorithm
System Design
Behavioral/STAR
Technical Knowledge
Network/Infrastructure Concepts
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