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Palo Alto Networks

Builds cybersecurity tools for organizations

Principal Software Engineer - Secure AI Agent

Full-TimePosted on 10/20/2026
No salary listed
Expert
Sofia, Bulgaria
In PersonThe role describes most teams as office-based full time, with flexibility when needed; a flexible work-from-home policy is also listed.
Software EngineeringBackend Engineering

About the job

Requirements
  • Bring 8+ years of experience in backend and systems, with a track record of owning large-scale or security-critical systems end-to-end.
  • Have designed and operated distributed, cloud-based architectures that are secure, scalable, and reliable, and be comfortable working with AWS, GCP, or Azure.
  • Have experience or a strong interest in identity, authentication, authorization, and secrets management, and be interested in applying these principles to AI and agent frameworks.
  • Make high-impact technical decisions and guide others through complex tradeoffs.
  • Communicate clearly and effectively to influence decisions, align teams, and mentor engineers across multiple functions.
  • Share knowledge, raise the technical bar, and multiply the impact of peers and the team.
  • Be self-driven, proactive, and organized, with a strong focus on delivering high-quality, secure, and scalable solutions.
Responsibilities
  • Own and guide the technical direction of core platform domains, including agent identity, authentication, authorization, and secrets management, shaping architectures that span multiple services and teams while balancing scalability, reliability, and security.
  • Lead by example through high-impact implementation, mentoring engineers, and helping them navigate complex technical tradeoffs.
  • Proactively identify critical technical problems or gaps, and drive solutions from concept through delivery.
  • Establish and promote engineering best practices, ensuring high standards for code quality, security, and operational excellence.
  • Communicate complex technical concepts clearly to engineers, architects, product managers, and stakeholders, influencing decisions, fostering alignment, and driving cross-team collaboration.
  • Document key decisions, patterns, and practices to elevate team knowledge and ensure consistency across the platform.
  • Advocate for continuous improvement and operational efficiency while maintaining a secure, high-quality platform.

About the company

Palo Alto Networks builds cybersecurity hardware and software for businesses and public institutions, protecting their networks, cloud workloads and digital identities. Its portfolio combines network firewalls with tools that detect attacks, investigate security alerts and manage access to sensitive systems. Security teams use these products across offices, data centers and cloud environments, with shared data and automated workflows connecting the company's platforms. It earns revenue from appliance sales and software licenses, plus subscriptions and support contracts that keep protections and services active over time. Palo Alto Networks began operations in 2005 and is headquartered in Santa Clara, California.

Company Size

10,001+

Company Stage

IPO

Headquarters

Santa Clara, California

Founded

2005

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Simplify's Take

What believers are saying

  • Consolidated sales grew: September 2026 results report quarterly revenue of $3.41 billion, up 34% from a year earlier.
  • Employees choose wellbeing support: Palo Alto Networks' FLEXBenefits funds $1,000 annually for eligible items and experiences.
  • Identity products joined the portfolio: Palo Alto Networks completed its CyberArk acquisition in February 2026.

What critics are saying

  • Office time limits location flexibility: Palo Alto Networks' Santa Clara engineering listing says most teams work onsite full time.
  • Acquisition execution remains complex: Palo Alto Networks flags CyberArk and Chronosphere integration as risks to ongoing operations.
  • Distribution is concentrated: September 2026 filings show two distributors generated 30% of Palo Alto Networks' fiscal 2026 revenue.

What makes Palo Alto Networks unique

  • Firewall policies control individual app functions: Palo Alto Networks' App-ID allows Slack messaging while blocking file transfers.
  • Unmanaged devices receive browser-level protection: Prisma Browser isolates enterprise applications from untrusted endpoints.
  • Insurance channels expand response access: Unit 42 says over 50 cyber insurers approve its incident response services.

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Benefits

  • FLEXBenefits
  • Healthcare
  • Wellness
  • Development
  • Financial: Traditional & Roth 401(k) options
  • Time Off
  • Other Perks

Growth & Insights and Company News

6 month growth

1%

1 year growth

0%

2 year growth

-1%
Yahoo Finance
Oct 17th, 2026
AI hacking attacks jump 89% as cybersecurity stocks split into platforms and point solutions

AI-powered hacking attacks jumped 89% last year, according to CrowdStrike's own threat report. The finding is pushing buyers to choose between one connected security platform and a pile of separate tools. CrowdStrike's Falcon Flex bundling programme has grown its contracted value past $2 billion, more than doubling in a year. Palo Alto Networks added about 220 "platformization" deals in a recent quarter, more than twice the pace of two years earlier. Fortinet is using its lead in network firewalls to cross-sell. SentinelOne, Cloudflare, and Zscaler make thinner platform cases. Okta remains a point solution focused on verifying logins. CrowdStrike and Palo Alto Networks are both down more than 13% from their October 6 record highs, amid reports that OpenAI may buy a cybersecurity startup.

Yahoo Finance
Oct 12th, 2026
Palo Alto Networks falls 3.9% to $402.45 as Phillip Securities stays neutral on valuation

Palo Alto Networks shares fell about 3.9% to $402.45 at 12:15 EST after Phillip Securities kept its Neutral rating. In an October 12 report, the firm took a positive view of software overall but called the cybersecurity company's valuation stretched. GuruFocus's GF Value chart puts the shares 71.26% above its $235 estimate. Fiscal fourth-quarter next-generation security annual recurring revenue reached $9.1 billion, up 63% year over year. However, a $282 million GAAP net loss became $853 million in adjusted net income, a $1.135 billion gap driven by stock compensation, acquisition-related costs, and other adjustments. Investors now want to see Palo Alto keep customers, turn contracted business into revenue, and generate cash while limiting dilution.

Yahoo Finance
Oct 1st, 2026
Palo Alto Networks surges 21% following Q4 earnings beat, platformisation strength

Palo Alto Networks shares have risen 21% since its last earnings report a month ago, outperforming the S&P 500. The cybersecurity company delivered fourth-quarter fiscal 2026 non-GAAP earnings of $1.02 per share, beating estimates by 4.1%. Revenues climbed 34% year-over-year to $3.41 billion, exceeding consensus estimates by 1.8%. Next-Generation Security ARR jumped 63% to $9.10 billion, driven by broad-based strength across Network & AI Security, Cortex, and Idira platforms. The company added approximately 220 net new platformisations in the quarter, up 44% year-over-year. Prisma AIRS reached roughly $120 million in ARR within one year, with over 800 customers. For fiscal 2027, Palo Alto forecasts revenues of $14.10-$14.20 billion, indicating 23-24% growth, with non-GAAP earnings per share between $4.16 and $4.19.

Yahoo Finance
Oct 1st, 2026
Palo Alto Networks extends AI firewall into Nvidia's agent safety stack amid integration questions

Semtech Corporation has integrated its AirLink secure edge 5G/LTE routers with Palo Alto Networks' next-generation firewalls and Zero Touch PKI to simplify secure connectivity across edge deployments. Separately, Palo Alto Networks launched Unit 42 Continuous Frontier AI Defense, embedding advanced AI models into exposure management services. The company is also extending its AI firewall and agent identity tools into Nvidia's Open Agent Safety Platform. Prisma AIRS' AI Runtime firewall will run on BlueField chips, with identity controls integrated into Nvidia's OpenShell. Palo Alto Networks' investment case centres on whether AI-focused offerings like Prisma AIRS and XSIAM can sustain annual recurring revenue growth. The company projects $18.5 billion revenue and $2.6 billion earnings by 2029, requiring 17.3% yearly revenue growth.

Yahoo Finance
Sep 23rd, 2026
Palo Alto Networks launches AI-powered penetration testing subscription, shares rise 3.5%

Palo Alto Networks launched a worldwide annual subscription for continuous AI-powered security testing through its Unit 42 division. Shares rose 3.45% to $387.485 on Wednesday morning. The service uses AI models from Anthropic's Claude Mythos 5, OpenAI's GPT-5.6-Cyber, and open-weight models to test applications, APIs, cloud systems, code, and networks. It identifies weaknesses, assesses exploitation risk, and recommends fixes and virtual patches. The shares trade 66.17% above the $233.18 GF Value shown for 23 September. Annual contracts could stabilise Unit 42's revenue, though AI model usage and specialist work carry costs. Renewals, customer results, and margins will determine whether the launch justifies the current valuation.