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Sr Staff Software Engineer (L7 Security)

Company Description

Our Mission

At Palo Alto Networks® everything starts and ends with our mission:

Being the cybersecurity partner of choice, protecting our digital way of life.
Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we’re looking for innovators who are as committed to shaping the future of cybersecurity as we are.

Who We Are

We take our mission of protecting the digital way of life seriously. We are relentless in protecting our customers and we believe that the unique ideas of every member of our team contributes to our collective success. Our values were crowdsourced by employees and are brought to life through each of us everyday - from disruptive innovation and collaboration, to execution. From showing up for each other with integrity to creating an environment where we all feel included.

As a member of our team, you will be shaping the future of cybersecurity. We work fast, value ongoing learning, and we respect each employee as a unique individual. Knowing we all have different needs, our development and personal wellbeing programs are designed to give you choice in how you are supported. This includes our FLEXBenefits wellbeing spending account with over 1,000 eligible items selected by employees, our mental and financial health resources, and our personalized learning opportunities - just to name a few!

At Palo Alto Networks, we believe in the power of collaboration and value in-person interactions. This is why our employees generally work full time from our office with flexibility offered where needed. This setup fosters casual conversations, problem-solving, and trusted relationships. Our goal is to create an environment where we all win with precision.

Job Description

Your Career

We're seeking innovators - engineers who seek to design new products, designing state-of-the-art products that do not exist today. These engineers love to code with a drive to build global products and bring new ideas to develop security disciplines to solve real-world problems. We are looking for leaders who take ownership of their areas of focus and who are driven to pursue problems at every level. Collaboration is at the heart of our culture and we need engineers who can communicate at a high level and work well with multi-functional teams towards achieving a common goal.

As a key member of Layer-7 Security group, you will be responsible for designing and developing security features on the next-generation firewalls. You will work with product management on user requirements, apply your knowledge to functional design, utilize your programming skills for efficient and robust implementation, and interact with quality assurance and field support teams throughout the entire software development cycle.

Your Impact

  • Innovate, design, and develop new security features in our next-generation firewalls in the Layer7 proxy, decryption, ssl vpn and web proxy areas
  • Develop functional specifications, assess task requirements and scheduling, and assist in development, debug and support
  • Suggest and implement improvements to the development process
  • Clearly communicate goals and desired outcomes to internal project teams - Interview, mentor and coach new team members
  • Identify performance bottlenecks and continuously implement improvements

Qualifications

Your Experience 

  • B.S. degree in Computer Science, similar technical discipline or equivalent practical experience, graduate degree (MS or Ph.D.) in Computer Science or similar technical discipline is preferred or equivalent military experience
  • Strong proficiency in C and C++ programming languages
  • In-depth knowledge of networking concepts, including TCP/IP, and familiarity with security protocols such as TLS and L4-L7 protocols is a plus
  • Experience in developing and optimizing software for performance, scalability, and security
  • Solid understanding of software development methodologies, version control systems, and agile practices
  • Excellent problem-solving skills and the ability to work independently and collaboratively in a team environment
  • Verbal and written communication skills to work with multi-functional groups - a good team player who brings a can-do attitude to a dynamic working environment
  • Flair for coding in C/C++/GO

Additional Information

The Team

To stay ahead of the curve, it’s critical to know where the curve is, and how to anticipate the changes we’re facing. For the fastest growing cybersecurity company, the curve is the evolution of cyberattacks, and the products and services that proactively address them. Our engineering team is at the core of our products – connected directly to the mission of preventing cyberattacks. They are constantly innovating – challenging the way we, and the industry, think about cybersecurity. These engineers aren’t shy about creating products to solve problems no one has tackled before. They define the industry, instead of waiting for directions. We need individuals who feel comfortable in ambiguity, excited by the prospect of challenge, and empowered by the unknown risks facing our everyday lives that are only enabled by a secure digital environment

Our engineering team is provided with an unrivaled opportunity to build the products and practices that will support our company growth over the next decade, defining the cybersecurity industry as we know it. If you see the potential of how incredible people products can transform a business, this is the team for you. If you don’t wait for directions, instead, identifying new features and opportunities we have to just get better, this is your new career. 

Compensation Disclosure

The compensation offered for this position will depend on qualifications, experience, and work location. For candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary + commission target (for sales/commissioned roles) is expected to be between $126,000 - $204,500/YR. The offered compensation may also include restricted stock units and a bonus. A description of our employee benefits may be found here.

Our Commitment

We’re problem solvers that take risks and challenge cybersecurity’s status quo. It’s simple: we can’t accomplish our mission without diverse teams innovating, together.

We are committed to providing reasonable accommodations for all qualified individuals with a disability. If you require assistance or accommodation due to a disability or special need, please contact us at  [email protected].

Palo Alto Networks is an equal opportunity employer. We celebrate diversity in our workplace, and all qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or other legally protected characteristics.

All your information will be kept confidential according to EEO guidelines.

Is role eligible for Immigration Sponsorship?: Yes

Average salary estimate

$165250 / YEARLY (est.)
min
max
$126000K
$204500K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

What You Should Know About Sr Staff Software Engineer (L7 Security), Palo Alto Networks

At Palo Alto Networks, we are on a mission to become the cybersecurity partner of choice, and we’re looking for a Sr Staff Software Engineer (L7 Security) to help us in this quest! Based in Santa Clara, California, this role will see you designing and developing innovative security features for our next-generation firewalls. Imagine being part of a team that thrives on disruption and collaboration, where your unique ideas can play a vital role in shaping the cybersecurity landscape. As a key member of our Layer-7 Security group, you’ll collaborate with product management to translate user requirements into functional designs, applying your C and C++ programming skills to implement robust features. We value engineers who are eager to take ownership, mentor others, and embrace the challenge of solving real-world security problems. Here, every day offers an opportunity for growth, learning, and a chance to innovate. Our inclusive culture ensures that your voice matters, and our flexible wellbeing programs are tailored to meet diverse needs. Join us in a dynamic working environment where you’ll not only develop cutting-edge products but also forge trusted relationships that will influence the future of digital safety. If you have a passion for coding and a drive to create impactful solutions, this is the place for you to shine!

Frequently Asked Questions (FAQs) for Sr Staff Software Engineer (L7 Security) Role at Palo Alto Networks
What are the main responsibilities of a Sr Staff Software Engineer (L7 Security) at Palo Alto Networks?

As a Sr Staff Software Engineer (L7 Security) at Palo Alto Networks, you will be responsible for designing and developing new security features for our next-generation firewalls, focusing on areas like Layer-7 proxy, decryption, and SSL VPN. You will collaborate with product management to gather user requirements and develop functional specifications while ensuring efficient implementation using your C and C++ programming skills.

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What qualifications are required for the Sr Staff Software Engineer (L7 Security) position at Palo Alto Networks?

For the Sr Staff Software Engineer (L7 Security) role at Palo Alto Networks, candidates are expected to have a B.S. degree in Computer Science or a related field, with a graduate degree preferred. A strong proficiency in C and C++ is necessary, along with in-depth knowledge of networking concepts and security protocols. The ideal candidate should also possess excellent problem-solving skills and the ability to work collaboratively.

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What programming languages should a Sr Staff Software Engineer (L7 Security) at Palo Alto Networks be proficient in?

A Sr Staff Software Engineer (L7 Security) at Palo Alto Networks should be proficient in C and C++ programming languages. Having a flair for coding in these languages is essential for the development of robust security features and effective collaboration within multi-functional teams.

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What type of work environment can a Sr Staff Software Engineer (L7 Security) expect at Palo Alto Networks?

At Palo Alto Networks, a Sr Staff Software Engineer (L7 Security) can expect a collaborative and inclusive work environment where in-person interactions are encouraged. Employees typically work full-time from the office, promoting casual conversations and teamwork, while also benefiting from flexible working arrangements if needed.

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How does Palo Alto Networks support the wellbeing of its Sr Staff Software Engineers?

Palo Alto Networks provides a range of wellbeing programs for its employees, including a FLEXBenefits spending account for over 1,000 eligible items, mental health resources, and personalized learning opportunities. These offerings are designed to support the unique needs of each Sr Staff Software Engineer, ensuring their development and personal wellbeing.

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Common Interview Questions for Sr Staff Software Engineer (L7 Security)
Can you describe a security feature you developed in the past?

When answering this question, focus on a specific feature, detailing the problem it solved, your development process, and the technologies you used. Be sure to highlight your role in the project and any collaboration with team members.

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How do you prioritize tasks when working on multiple projects?

Discuss your approach to task management, such as using agile methodologies or setting deadlines. Provide examples of how you've successfully managed competing priorities in the past, emphasizing communication with your team.

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What is your experience with performance optimization in software development?

Highlight specific techniques you’ve used for optimizing code and improving system performance, such as profiling, parallel processing, or revising algorithms. Use examples that demonstrate the impact of your optimizations.

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How would you handle a disagreement with a team member regarding a project approach?

Explain your conflict resolution strategy, emphasizing open communication and collaboration. Providing an example of a past experience can help demonstrate your ability to work through differences effectively.

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What methodologies do you utilize in your development process?

Discuss your familiarity with methodologies such as Agile, SCRUM, or Kanban. Highlight how these methodologies have helped streamline your development process, improve collaboration, and deliver successful outcomes.

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Can you explain the importance of security protocols like TLS?

Explain how TLS ensures data confidentiality, integrity, and authenticity. Providing examples of specific use cases where TLS is critical can demonstrate your understanding and expertise.

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What strategies do you employ for debugging code effectively?

Share your systematic approach to debugging, including tools you use, logs you review, and how you isolate issues. Providing a real-life example of a challenging bug and how you resolved it will showcase your skills.

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How do you stay updated with the latest cybersecurity trends?

Mention specific sources you follow, such as blogs, conferences, webinars, or professional groups. Emphasize your proactive attitude towards continuous learning in the dynamic field of cybersecurity.

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What role do you think collaboration plays in software development?

Discuss the importance of teamwork in producing high-quality software, sharing diverse perspectives, and problem-solving. Provide examples of successful collaborative projects you've been part of.

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How would you approach mentoring a junior developer?

Outline your mentoring strategy, which could include regular check-ins, pairing on projects, providing constructive feedback, and encouraging their learning. Mention any prior mentoring experience to strengthen your response.

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Being the cybersecurity partner of choice, protecting our digital way of life.

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Full-time, on-site
DATE POSTED
March 29, 2025

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