Sr Principle 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 member of Layer-7 Application Security group, you will be responsible for designing and developing security features on the next-generation firewall platform integrating with our security services cloud. 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

• You will be expected to participate in all phases of the product development cycle, from definition, design, through implementation and test
• Develop functional specifications, assess task requirements and scheduling, and participate in development, debug and support
• Candidate should also have hands-on experience with networking or network security technologies and C language development in a Unix/Linux environment
• Suggest and implement improvements to the development process
• Be able to clearly communicate goals and desired outcomes to internal project teams
• Interview, mentor and coach new team members

Qualifications

Your Experience

• Proficient in C and familiar with Unix/Linux development environment
• Working knowledge of TCP/IP internals and L7 protocols
• Working knowledge of common data structures and algorithms
• Verbal and written communication skills to work with cross-functional groups
• Team player with a can-do attitude in a dynamic working environment

Preferred Qualifications

• Advance level of software development experience
• Graduate degree (MS or PhD) in Computer Science or similar technical discipline
• Knowledge of multi-core / multi-process / multi-threaded programming
• Experience with network packet processing software development, 7 - 10 years
• Experience with application layer protocols such as HTTP, SIP, H.323, DNS, etc.
• Experience with and interest to learn other programming languages
• Experience with large-scale and/or high-performance software design and development
• Experience with deep packet inspection engine
• Experience with GoLang

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 $270,000- $290,000/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

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