Senior Principal/Architect Engineer Software

Palo Alto Networks•Office - USA - CA - Headquarters, CA

1d•$170,000 - $277,000•Onsite

About The Position

Our Mission At 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. Who We Are In 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! We 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 We are seeking a Module FW Integration Engineer – For Module Integration and Cellular Certification to drive software validation, automation, and the cellular certification lifecycle for our wireless products. This role bridges embedded application development, network emulation, and supports global carrier certification. You will validate embedded applications, build Python automation pipelines, and utilize industry-standard network simulators to troubleshoot 4G/5G routing platforms against carrier and regulatory standards.

Requirements

Proven experience developing and debugging application software within embedded architectures and Linux environments.
Strong proficiency in Python and Bash for hardware/simulator API interaction and test automation.
Solid understanding of 4G LTE and 5G NR (Standalone/Non-Standalone) software stacks and 3GPP protocol layers (NAS, RRC, PDCP, RLC).
Robust knowledge of core routing protocols (TCP/IP, BGP, OSPF, VPNs, VLANs) and memory management.
Mastery of protocol analysis tools (Wireshark, QXDM, QPST) alongside hands-on experience programming RF equipment (spectrum/network analyzers, power meters) and running automated test scripts.
Familiarity with industry standards (3GPP) and carrier test plans.
Bachelor’s degree in Computer Science, Electrical Engineering, Telecommunications, or a related field.
10+ years of direct, hands-on experience in wireless device certification, RF/cellular testing, or telecom test automation.
Familiarity with industry standards, regulatory filings (FCC/ISED, CE, JPN, KC, TW, ANZ), and industry/carrier acceptance testing (PTCRB, GCF, AT&T, Verizon, T-Mobile).
Exceptional organizational skills.
Strong communication skills to act as a technical liaison internal hardware/software engineering teams, external certification labs and customers

Nice To Haves

Masters Degree Prefered
Professional working proficiency in Mandarin, Japanese, or Korean is highly advantageous.

Responsibilities

Develop, modify, and validate embedded Linux-based applications, ensuring seamless communication between network layers, peripheral hardware, and cellular modems.
Design and maintain robust Python/Bash scripting frameworks to automate image loading, device provisioning, network simulator configurations, and data collection loops.
Configure and manage high-end network emulators/call boxes (Keysight UXM, Rohde & Schwarz CMX/CMW, Amarisoft) to recreate complex 4G LTE and 5G NR live environments.
Build cabled multi-UE distribution setups.
Configure, track, and load software/firmware builds onto engineering prototypes and production routing units for formal testing.
Isolate and debug network, software, and protocol layer issues via log diagnostics.
Perform hardware characterization using RF lab equipment (spectrum analyzers, signal generators, power meters, network analyzers).
Act as the primary technical point of contact for external third-party test labs, Carrier Certification Teams and Industry Certification bodies. and chipset vendors globally.
Prepare technical documentation and test data for FCC/ISED (North America) and regional Asian bodies such as JPN (Japan), KC (South Korea), TW (Taiwan), and ANZ (Australia/NewZealand).
Coordinate and oversee PTCRB and GCF (Global Certification Forum) testing cycles from initial submission to final listing.
Compile and maintain Technical Construction Files (TCF), user manual compliance statements, and Declaration of Conformity (DoC) records.
Support the Carrier Acceptance Testing (CAT) process for major North American carriers (Verizon, AT&T, T-Mobile) and key Asian operators.
Work directly with test houses to reproduce, log, and debug issues found during conformance testing.
Analyze protocol and RF logs (using tools like QXDM, Wireshark, or equivalent) to help isolate software or hardware issues.
Quote, submit purchase orders in support of FCC, CE, TW, KC, JPN, AU and NZ country regulatory testing testing. (archive reports/certifications)
Quote, submit purchase orders in support for industry and carrier certifications testing and certifications. (archive reports/certifications)
Act as the daily interface with third-party test labs and Telecommunication Certification Bodies (TCBs).
Ship samples and accessories, track test progress, resolve blocking issues in the lab, and ensure test reports are delivered accurately and on time.
Manage device inventory, SW and cellular module firmware, and device configuration for certification.