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Principal Security Engineer

Company: F5 Networks
Location: San Francisco
Posted on: June 12, 2021

Job Description:

Come work at a place where innovation and teamwork come together to support the most exciting missions in the world!

Are you looking to be an integral part of a development team delivering high-quality features for exciting next generation products? Do you want to contribute to the cutting-edge, technology products we are known for worldwide? If so, we'd love to hear from you! The F5 NGINX Business Unit is searching for Principal Security Engineers to join us in either San Francisco, CA, Seattle, WA or Boulder (Louisville) CO.

Position Summary:

Secure development team leader in multiple security domains. On our team, you will play a foundational part of building our security practice; creating and executing plans that raise the security maturity of the NGINX Product Development group. You will be managing the implementation of the Microsoft Secure Development Lifecycle across multiple products and teams, and selecting tools, modeling threats, reviewing security requirements and testing the security of our products. You will interact and collaborate with the entire F5 organization and be the voice of security for the NGINX Product Development team.

Attractions of the Job

  • Gain deep experience in secure development best practices

  • Opportunity to invent patented technologies or solutions

  • Opportunity to technically guide or manage other security researchers

  • Opportunity to have influence on the product roadmap

  • Opportunity to serve as a worldwide "Guru" in multiple security domains

Primary Responsibilities:

  • Defines, plans and executes secure development roadmap

  • Technically guides other team members and development teams

  • Performs threat analysis and recommends innovative solutions

  • Working with the development team on solution specification

  • Performs threat simulation and product security assessment

  • Developing and evaluating tools for vulnerability scanning and testing automation

  • Present to development teams about secure development best practices

  • Conducts meetings as needed for coordination and security reviews

  • Maintains and manages our product incident response process

Other Responsibilities:

  • Responsible for upholding F5's Business Code of Ethics and for promptly reporting violations of the Code or other company policies.

  • Performs other related duties as assigned.

Knowledge, Skills and Abilities:

  • Strong understanding of security principles, theories and attacks

  • Expertise in vulnerability response and management, reverse engineering or penetration testing

  • Experience in programming - Go, C/C++, Python, Java, shell scripting

  • Proven experience in technical team leading

  • Ability to define and execute a work plan

  • Ability to characterize and design a security solution

  • Extensive background in TCP/IP networking and web technologies

  • Experience of more than 5 years in secure development best practices


  • BA or BSc in Computer Science (MSc is an advantage) or relevant military experience

  • At least one of the following certifications desired - CISSP, CSSLP, CEH, CRISC

  • Hardworking security professionals without formal education considered

Physical Demands and Work Environment:

  • Duties are performed in a normal office environment while sitting at a desk or computer table. Duties require the ability to utilize a computer, communicate over the telephone, and read printed material.

  • Duties may require being on call periodically and working outside normal working hours (evenings and weekends).


We provide competitive salaries, a world class benefits package, including 100% of the premium for employee medical, dental and vision insurance, highly subsidized premiums for dependent coverage, 401K match, employees stock purchase plan, 18 days paid time off within the 1st year and 9 paid holidays, life insurance, short & long term disability insurance, tuition reimbursement, and much more.

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 or auto email notification from Yello/Workday (ending with or

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. Reasonable accommodation is available for qualified individuals with disabilities, upon request.

Keywords: F5 Networks, San Francisco , Principal Security Engineer, Other , San Francisco, California

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