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Added 7 mins ago
Senior Full Stack AI Engineer (US Citizen)
Remote, United States
Serve as a senior, hands-on full-stack AI engineer, leading the design, development, and delivery of large-scale mission-critical AI systems.
Added 7 mins ago
Senior AI Software Developer & Engineer (US Citizen)
Remote, United States
Serve as a senior, hands-on full-stack AI engineer and technical authority, leading the technical strategy, design, and delivery of large-scale mission-critical AI systems supporting…
Added 7 mins ago
AI DevOps Engineer
PingWind
Rockville, MD
PingWind is seeking an AI DevOps Engineer with a strong emphasis on Artificial Intelligence and Machine Learning to join the PingWind team supporting Agency for Healthcare Research and…
Added 8 mins ago
A
Design Verification Engineer
Actalent
Santa Clara, CA
- $150,000 to $250,000 USD / year
We are seeking Design Verification Engineers to support the development of an advanced, high-performance SoC platform. This role will work across architecture, RTL, software, and systems…
Added 10 mins ago
L
Senior Security Architect
LogicGate
WA · Bellevue, WA · Chicago, IL
- $165,000 to $180,000 USD / year
…teams limit surprises, strengthen resilience, augment program performance, and confidently quantify impact and business value. Built to provide a centralized view of risk and compliance,…
Added 12 mins ago
AI/ML Engineer (Computer Vision)
CACI
Remote, United States
CACI is currently looking for an AI/ML Computer Vision Engineer with Agile methodology experience to join our BEAGLE (Border Enforcement Applications for Government Leading-Edge Information…
Added 14 mins ago
Solutions Engineer, Splunk
Cisco
Chicago, IL
Splunk, a Cisco company, is looking for a Solutions Engineer to be the trusted technical advisor for a set of enterprise accounts. You’ll help customers get real value from the Splunk…
Added 14 mins ago
BT
Validation Engineer
BOXX Technologies, LLC
Austin, TX
- $76,000 to $115,000 USD / year
BOXX Technologies in Austin, TX builds high-performance workstations and servers to order. We’re seeking a Validation Engineer to join our engineering team. You will design, write and…
Added 31 mins ago
Sr. Systems Integration Engineer, Automated Drive
Rivian
Palo Alto, CA
Added 34 mins ago
Install Base Manager, Startups
Vercel
Austin, TX · NY · San Francisco, CA
Data-Driven Management: Use usage and growth signals to prioritize accounts, track performance against goals, forecast accurately, and drive continuous improvement in execution.
Added 46 mins ago
AWS and AI engineer
Infosys
United States
AWS certification such as AWS Certified Data Engineer – Associate or AWS Certified Solutions Architect.
Added 53 mins ago
K
Infrastructure Engineer
Kastle
San Francisco, CA
- $180,000 to $275,000 USD / year
…applied in the real world where precision, reliability, and performance matter and redefine access to credit across the world, apply…
Added 54 mins ago
Senior Power System Engineer - Renewable Forecasting and Analysis
ERCOT
Taylor, TX
…operational use of wind and solar forecasts, including forecast performance analysis and reporting, renewable telemetry data quality, Pay-for-Performance (P4P) evaluation, and coordination…
Added 54 mins ago
Power System Engineer Sr - Resource Forecasting and Analysis
ERCOT
Taylor, TX
Works under the direction of a senior level engineer or supervisor/manager to complete departmental goals and assignments
Added 54 mins ago
Power System Engineer - Renewable Forecasting and Analysis
ERCOT
Taylor, TX
…operational use of wind and solar forecasts, including forecast performance analysis and reporting, renewable telemetry data quality, Pay-for-Performance (P4P) evaluation, and coordination…
Added 1 hour ago
Lead Product Architect
Wolters Kluwer DXG U.S., Inc.
Coppell, TX
Ensure systems meet requirements for scalability, reliability, performance, security, maintainability, and operational excellence.
Added 1 hour ago
Compute Systems Architect - Expeditionary AI/HPC Data Centers
Anduril Industries
Mountain View, CA · Costa Mesa, CA
Anduril Expeditionary Systems (AES) is building AI Factories and Command/Control centers - specialized, high-performance computing centers designed to process petabyte-scale data and…
Added 1 hour ago
Senior Data Engineer
Cricut
South Jordan, UT
We're hiring a Senior Data Engineer to shape the data foundation behind Cricut's product analytics, personalization, and AI initiatives. You'll own and evolve our event data platform, from…
Added 1 hour ago
Greenfield Manager, Startups
Vercel
NY · San Francisco, CA
…and now need more from their infrastructure partner across performance, security, AI, and commercial…
Added 1 hour ago
Network Engineer
Andromeda Cluster
Remote, United States
- Companies that need reliable, high-performance compute fast
Added 1 hour ago
Senior Software Engineer - Lab Automation
Genentech, Inc.
United States
As a Senior Software Engineer – Lab Automation, you will be the essential bridge connecting software architecture, frontier AI models, and real-world physical instrumentation. You will…
Added 1 hour ago
Data Scientist III
Fetcherr
Atlanta, GA
Design and run offline experiments, backtests, and online evaluations to measure model performance and profit uplift.
Added 1 hour ago
AI
Data Engineer - Level III
ATTAINX INC
Fort Collins, CO
- $120,000 to $135,000 USD / year
Relevant certifications: AWS Solutions Architect, AWS Data Analytics Specialty, Azure Data Engineer Associate (DP–203), or equivalent.
Added 1 hour ago
Machine Learning Engineer, Platform Architecture
Apple
Cupertino, CA
In this role, you will explore different ways of mapping ML workloads to Apple silicon and develop performance models/simulations. Your work will inform and validate architecture decisions.…
Added 1 hour ago
Machine Learning Engineer, Platform Architecture
Apple
Cupertino, CA
In this role, you will explore different ways of mapping ML workloads to Apple silicon and develop performance models/simulations. Your work will inform and validate architecture decisions.…

Zscaler

Principal Software Development Engineer

Santa Clara, CA, United States

$188,500 - $265,000 USD

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Job details

Pay: $188,500 - $265,000 USD
Posting language: English
Posted: Nov 4, 2026

Original job description

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform.

We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler.

Role

We are looking for a Principal Software Development Engineer to join our team. This is a Hybrid role, reporting to the Director, Software Engineering in the Engineering department. You will join the team that built the world’s largest cloud security platform from the ground up, enabling organizations worldwide to harness speed and agility with a cloud-first strategy. With more than 100 patents and 15 million users across 185 countries, you will bring your vision to a team of experts dedicated to enhancing our multitenant architecture and global footprint.

What you’ll do (Role Expectations)

• Design, develop, and optimize the system, including networking and security features, to support high-performance applications while creating specification documents and driving automation

• Apply strong software design principles and deep troubleshooting expertise to deliver scalable, resilient, and impactful improvements to Zero Trust Security Services

• Collaborate directly with architects, product managers, and customers to understand use cases, review product requirements, and optimize system performance

• Coach and mentor junior team members to ensure the highest level of quality across all deliverables

• Ensure federal certifications and compliance standards including FIPS, FedRAMP, Common Criteria, and SOC2 are met and maintained

Who You Are (Success Profile)

• Thrive in ambiguity, comfortably building the path as you walk it and viewing dynamic environments as opportunities to construct meaningful solutions.

• Operate with a strong sense of ownership, combining a passion for the mission with high integrity and the ability to navigate seamlessly between high-level strategy and hands-on execution.

• Demonstrate a proactive problem-solving focus, eagerly running toward challenges and remaining laser-focused on delivering high-impact outcomes.

• Build high-trust collaboration, prioritizing team success, welcoming constructive feedback, and practicing clear and respectful candor to establish strong partnerships.

• Maintain a continuous growth mindset, actively seeking feedback and development to grow as a partner, teammate, and purpose-driven leader.

What We’re Looking for (Minimum Qualifications)

• Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain

• Bachelor's or Master's (preferred) degree in Computer Science or a related field with 10+ years of experience in system engineering for high-performance networking

• Expertise in Linux kernel-based networking (L2/L3), stateful firewalls, NAT, network drivers, routing protocols, and tunneling technologies

• Proficiency in Go and Python programming languages with excellent problem-solving skills for debugging complex data path issues

• Strong communication and collaboration skills to work effectively with cross-functional teams in a high-accountability environment while designing scalable systems

What Will Make You Stand Out (Preferred Qualifications)

• Proven ability to leverage AI technologies and workflows to drive measurable operational efficiency

• Experience integrating AI/ML frameworks or intelligent data path analysis models to optimize kernel-level networking performance and automate predictive threat detection

• Advanced experience with networking technologies, tunneling protocols, high-availability protocols, and security certifications like FIPS or FedRAMP

• Familiarity with public cloud platforms, containerization with Docker and Kubernetes, and advanced virtualization or security solutions

Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.

The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits.

Base Pay Range

$188,500 - $265,000 USD

At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.

Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:

Various health plans
Time off plans for vacation and sick time
Parental leave options
Retirement options
Education reimbursement
In-office perks, and more!

Learn more about Zscaler's hybrid working model and benefits here.

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines.

Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link.

Pay Transparency

Zscaler complies with all applicable federal, state, and local pay transparency rules.

Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

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More about this job

Skills

Software development
Design principles
Troubleshooting
Product comprehension
Regulatory compliance
Problem solving
Collaboration
Prioritization
ML
Computer science
Linux
Go
Python
Programming languages
Debugging
Communication skills
Docker
Kubernetes

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