Principal Software Engineer (Cortex UVEM NetScan)

Job DescriptionYour CareerThe Cortex Vulnerability Management Scanning team is expanding, and we’re looking for a Principal Software Engineer (Full Stack) to join our team. This team builds the software that provides our customers visibility into their behind-the-firewall attack surface, allowing them to prioritize and remediate critical vulnerabilities using the XSIAM platform.Your ImpactDesign, build, and maintain the end to end experience for running our network vulnerability scanner - This includes building both the software that runs within customers’ networks and the user experience for interacting with that software from within the XSIAM platformResearch and utilize leading open source network scanning solutionsAnalyze existing solutions, identify barriers to scaling, recommend changes, then implementTake part in architecture strategy sessions - design solutions that accommodate the requirements of the various groups across CortexCollaborate with teams to solve problems, reduce technical debt, and evolve development practicesDrive technical best practices and evangelize new technologies within the engineering orgCollaborate with other engineers and ensure that your team delivers high-quality outputTake ownership of projects, drive them to completion, and support them in productionQualificationsYour Experience 5+ years of experience as a professional software engineer writing full stack softwareExperienced and opinionated about API design and distributed backend systemsAble to switch between research, design, prototype, and implementationExperience using cloud managed services (ideally in GCP)Proficient in Python and one of Rust, Golang, or CWorking knowledge of at least one of the major cloud platforms (eg GCP, AWS, or Azure)Nice to have:Experience with Angular or alternative front end frameworksKnowledge of cybersecurity frameworks and vulnerability methodologiesFamiliarity with current penetration and security assessment tools such as Metasploit, Nmap, Burp Suite, Wireshark, etc.Experience contributing to open source softwareProficient knowledge of common networking protocols such as HTTP, DNS, DHCP, ARP, FTP, etc - Basic knowledge in other less common protocols such as ICS/SCADA or database protocolsFamiliarity with common open source security software such as Nuclei, OpenVAS, and NmapProficient knowledge in network architectures - understands subnetting and routing and how VLANs work and affect network scanningProficiency in Linux and Windows operating systemsDemonstrates a basic understanding of how a variety of exploits work and shows skills in enumerating and selecting the correct exploit for a given systemFamiliarity with packaging, deploying, and supporting on-prem / private cloud softwareAdditional InformationThe TeamTo 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 pensation DisclosureThe 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 $147000/YR - $237500/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 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.

Created: 2025-10-24