{"id":2743638,"url":"https://alion.io/job/palo-alto-networks-sr-principal-software-engineer-network-security-panos-dev","title":"Sr. Principal Software Engineer - Network Security - PanOS Dev","company":{"id":13263,"name":"Palo Alto Networks","domain":"paloaltonetworks.com","url":"https://alion.io/company/paloaltontwks","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":78,"open_postings":249,"ghost_share":0,"stale_share":0.884,"repost_share":0,"time_to_fill_p50_days":34,"computed_at":"2026-10-27T05:46:45Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Santa Clara, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":183600,"max":297000,"currency":"USD","period":"year","gross":null,"usd_annual":297000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"CI/CD","optional":false},{"name":"Go","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"TCP/IP","optional":false},{"name":"Unix","optional":false},{"name":"Agile","optional":true},{"name":"Copilot","optional":true},{"name":"LLM","optional":true}],"status":"live","first_seen_at":"2026-09-24T00:00:00Z","employer_posted_date":"2026-09-24","last_verified_at":"2026-10-27T22:46:27Z","board_verified":true,"closed_at":null,"days_open":34,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":34},"description":"Our Mission\nAt Palo Alto Networks®, we’re united by a shared mission-to protect our digital way of life. We thrive at the intersection of innovation and impact, solving real-world problems with cutting-edge technology and bold thinking. Here, everyone has a voice, and every idea counts. If you’re ready to do the most meaningful work of your career alongside people who are just as passionate as you are, you’re in the right place.\nWho We Are\nIn order to be the cybersecurity partner of choice, we must trailblaze the path and shape the future of our industry. This is something our employees work at each day and is defined by our values: Disruption, Collaboration, Execution, Integrity, and Inclusion. We weave AI into the fabric of everything we do and use it to augment the impact every individual can have. If you are passionate about solving real-world problems and ideating beside the best and the brightest, we invite you to join us!\nWe believe collaboration thrives in person. That’s why most of our teams work from the office full time, with flexibility when it’s needed. This model supports real-time problem-solving, stronger relationships, and the kind of precision that drives great outcomes.Job Summary\nThe Team\nEngineering - Our engineering team is at the core of our products and connected directly to the mission of preventing cyberattacks. We are constantly innovating - challenging the way we, and the industry, think about cybersecurity. Our engineers don’t shy away from building products to solve problems no one has pursued before. We define the industry instead of waiting for directions. We need individuals who feel comfortable in ambiguity, excited by the prospect of a challenge, and empowered by the unknown risks facing our everyday lives that are only enabled by a secure digital environment.\nJob Summary\nWe are seeking innovative engineers to design and develop security features for our next-generation firewalls. As a key member of the Layer-7 Security group, you will take ownership of your focus areas, applying your programming skills to solve real-world security problems. You will collaborate with multi-functional teams including product management, quality assurance, and field support throughout the entire software development cycle. This role requires a drive to build global products and a passion for bringing new ideas to the security discipline.\nResponsibilities\nArchitect & Implement: Design, build, and maintain real-time, high-throughput security services and networking infrastructure.\nTechnical Leadership: Lead complex engineering projects end-to-end-from initial architecture and design reviews to deployment and production monitoring.\nOperational Excellence: Promote engineering best practices, including secure coding standards, comprehensive code reviews, performance tuning, and robust system architecture.\nElevate Systems Ownership: Architect and own critical control-plane and data-plane components for the GlobalProtect server infrastructure, ensuring high availability, fault tolerance, and scalable performance \nAdvanced Troubleshooting: Diagnose and resolve complex server-side and network-level issues independently, even when presented with minimal diagnostic information.\n Test Automation & Quality: Drive a culture of quality by advocating for aggressive automated testing, continuous integration/continuous deployment (CI/CD), and high code coverage.\nAI-Driven Productivity: Leverage AI-assisted development techniques and tools to maximize coding efficiency, streamline debugging, and accelerate project delivery.\nQualifications\nRequired Qualifications\nExperience & Industry Background: 10+ years of professional software development experience in the enterprise networking or cybersecurity industry.\nCore Engineering Skills: Proven proficiency in C, Go (Golang), Python programming within a Linux/Unix development environment.\nDistributed Systems Architecture: Extensive experience with multi-threaded programming, asynchronous I/O, and designing large-scale, high-performance, or distributed server architectures.\nNetworking Expertise: Hands-on experience developing TCP/IP networking software and understanding lower-level network protocols.\nEnd-to-End Ownership: Demonstrated track record of leading and successfully executing complex technical projects from conception to release.\nStrategic / Cross-Functional Impact: Proven ability to mentor senior engineers, collaborate across product management and architecture teams, and influence long-term technical roadmaps. \n Education: B.S. degree in Computer Science, Computer Engineering, or a related technical discipline (or equivalent practical experience).\nPreferred Qualifications\nAPI & Pipeline Integration: Experience with RESTful API design, implementation, and integration, alongside familiarity with modern CI/CD pipelines.\n AI & Automation Mindset: Active experience using AI-assisted tools (e.g., GitHub Copilot, LLM coding assistants) to boost engineering velocity and operational efficiency.\n Automation First: A strong advocate for test-driven development (TDD), automated integration testing, and performance profiling.\nAgile & Collaborative Attitude: A team player with a strong \"can-do\" attitude who thrives in a fast-paced environment and rapidly adapts to new technologies and platforms.\nCompensation Disclosure\nThe 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/com-missioned roles) is expected to be the annual range listed below. The offered compensation may also include restricted stock units and a bonus. A description of our employee benefits may be found here.\n$183,600.00 - $297,000.00/yrOur Commitment\nWe’re trailblazers that dream big, take risks, and challenge cybersecurity’s status quo. It’s simple: we can’t accomplish our mission without diverse teams innovating, together.\nWe 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 .\nPalo 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.\nAll your information will be kept confidential according to EEO guidelines.\nIs role eligible for Immigration Sponsorship?: Yes","description_format":"text","description_chars":6933,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Restricted stock units"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","Threat Intelligence","Endpoint Security","Information Security"],"lifecycle":[{"event":"open","at":"2026-10-16T21:36:43Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 530 · green card filings: 229","filings_12m":530,"filings_prev_12m":605,"green_card_filings_12m":229,"median_offered_wage_usd":173449,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":312}],"liveness":{"score":43,"band":"fade","label":"Fading","p_open":1,"p_active":0.569,"p_room":0.75,"age_days":33,"expected_fill_days":34,"reasons":["conf:1","stale_co","velocity","win:late","comp:brand"],"computed_at":"2026-10-27T05:46:45Z"},"pay":{"stated_usd_annual":297000,"is_top_pay":true},"html_url":"https://alion.io/job/palo-alto-networks-sr-principal-software-engineer-network-security-panos-dev","json_url":"https://alion.io/job/palo-alto-networks-sr-principal-software-engineer-network-security-panos-dev.json","meta":{"generated_at":"2026-10-28T01:05:22Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":1345,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":13263},"rest":"https://alion.io/mcp/rest/get_company?id=13263"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fpalo-alto-networks-sr-principal-software-engineer-network-security-panos-dev"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fpalo-alto-networks-sr-principal-software-engineer-network-security-panos-dev"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fpalo-alto-networks-sr-principal-software-engineer-network-security-panos-dev"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/palo-alto-networks-sr-principal-software-engineer-network-security-panos-dev\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fpalo-alto-networks-sr-principal-software-engineer-network-security-panos-dev"}]}