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Added 2 mins ago
Principal Engineer, IT Software
United States
Travel Perks: Ready to explore the world? You, your family and your friends can reach 365 destinations on more than 6,800 daily flights across our global network.
Added 7 mins ago
Principal Systems Engineer - Model-Based Systems Engineer (MBSE)
Northrop Grumman
San Antonio, TX
Northrop Grumman Mission Systems has an opening for a systems engineer in the Cyber specialty discipline. We are seeking a highly skilled and motivated Principal Systems Engineer to join…
Added 7 mins ago
A
Principal Structural Engineer
Actalent
Houston, TX
- $100 to $120 USD / hour
…design for power generation and heavy industrial facilities. The principal structural engineer drives advanced vibration studies, finite element analysis, and structural integrity…
Added 8 mins ago
Principal BIOS Design Engineer
Jabil
Austin, TX
…solutions. With 60 years of experience across industries and a vast network of over 100 sites worldwide, Jabil combines global reach with local expertise to deliver both scalable and…
Added 22 mins ago
Staff or Principal, Div Engineer
Southern Company
Virginia Beach, VA
…solutions provider with national capabilities, a fiber optics network and telecommunications services. Through an industry-leading commitment to innovation, resilience and sustainability,…
Added 38 mins ago
RG
Principal Incident Response Engineer
Reinsurance Group of America
Various, MO
- $126,710 to $188,840 USD / year
The Principle Incident Response Engineer ("DFIR") leads complex cyber investigations, strengthen RGA's enterprise resilience, and guide security teams through critical incidents. This role…
Added 39 mins ago
C
Staff Flight Software Engineer
CesiumAstro
Westminster, CO
- $158,000 to $189,000 USD / year
…ideal candidate will be an experienced spacecraft software engineer, motivated to develop every aspect of space mission software from Linux-based satellite operating systems to low-level…
Added 1 hour ago
Principal Mechanical Engineer
Actalent
Nashua, NH
Principal Mechanical EngineerJob DescriptionWe are seeking a highly motivated Principal Mechanical Engineer to provide technical leadership in the design, development, analysis, and…
Added 1 hour ago
SkillBridge - Network / Principal Network Communications Engineer
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems has opening for an Network and Principal Network Communications Engineer to join our team of qualified, diverse individuals within our Ground Systems…
Added 1 hour ago
Software Engineer Level 3 or 4 (AHT)
CORP-Corporate Office
United States
This position may be filled as a Principal Software Engineer (level 3) or Sr. Principal Software Engineer (level 4).
Added 1 hour ago
Principal Product Manager, Agent Intelligence
Equinix LLC
United States
We’re looking for a Principal Product Manager to own Agent Intelligence: the evaluation, observability and feedback systems that tell us how well our agents perform, why they fail, and…
Added 1 hour ago
Principal/Senior Test Engineer
MACOM Technology Solutions Holdings, Inc.
Newport Beach, CA
…high-speed analog technologies. Our solutions support critical network infrastructure applications like artificial intelligence, high performance computing, satellite communications, radar,…
Added 1 hour ago
Principal Cloud Security Engineer
Koniag Government Services
Washington, DC
Koniag Technology Solutions, Inc a Koniag Government Services company , is seeking a Principal Cloud Security Engineer with a Secret security clearance to support KTS and our government…
Added 1 hour ago
Senior Engineer, Grid Transition
New York ISO
Rensselaer, NY
The Senior Engineer, Grid Transition will primarily be responsible for supporting a suite of special studies aimed at evaluating the performance of equipment and a grid that has a…
Added 1 hour ago
Platform Software Engineer - Intermediate level
United Services Automobile Asn
United States
…community and their families. As an Intermediate level Software Engineer on our Containers as a Service (CaaS) team, you'll contribute to the platform that powers thousands of applications…
Added 2 hours ago
Principal/Senior Principal Business Development Leader - Dams Market
Geosyntec Consultants, Inc.
Johnson City, TN · Brentwood, TN · Asheville, NC · Chattanooga, TN · Nashville, TN · Knoxville, TN
We are seeking an exceptional Principal/Senior Principal Business Development Leader - Dams Market, preferably based in our Johnson City, TN; Chattanooga, TN; Brentwood, TN; Nashville, TN;…
Added 2 hours ago
Principal Engineer of DRAM Circuit Design
Samsung Semiconductor
San Jose, CA
The Principal Engineer of DRAM Circuit Design will be responsible for growing Samsung’s memory business, building technology leadership and market opportunities
Added 2 hours ago
Licensed Site Development Civil Engineer
Actalent
Saint Louis, MO
This Senior Civil Engineer / Project Manager role offers the opportunity to lead civil site design projects while working remotely or from an office in the St. Louis area. You will take…
Added 2 hours ago
Principal Staff Software Engineer, Data Infrastructure
LinkedIn
Mountain View, CA
We are looking for a Principal Staff Software Engineer with deep expertise in database internals, relational database performance, and large-scale distributed systems. This role will lead…
Added 2 hours ago
CT
Network Engineer
Crossflow Technologies
Colorado Springs, CO
- $80,000 to $120,000 USD / year
The TASD contract is seeking a Principal Network Engineer to configure, maintain, patch, STIG, troubleshoot and install network related hardware to include devices such as HP Aruba Network…
Added 2 hours ago
Principal Associate, Process Manager | Retail Bank
Capital One
Richmond, VA · McLean, VA
As a Principal Associate Process Manager, responsibilities will include documenting, monitoring, and controlling critical real estate and construction process points as defined by business…
Added 2 hours ago
RA
Staff Technical Program Manager
Rivian and Volkswagen Group Technologies
Irvine, CA
- $154,000 to $211,750 USD / year
- Drive software-hardware integration efforts, acting as a principal liaison and problem-solver for the most challenging cross-domain dependencies
Added 2 hours ago
Principal Network Engineer - Routing & Switching
LEIDOS, INC.
Odenton, MD
Leidos is seeking a Principal Network Engineer specializing in routing and switching to serve as the senior technical authority for the routed and switched enterprise. The role is…
Added 2 hours ago
Principal Cyber Security Engineer
LEIDOS, INC.
Linthicum, MD
As a Principal Cyber Security Engineer you will join a small team of security engineers providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the…
Added 3 hours ago
Principal Software Development Engineer
Zscaler
Santa Clara, CA
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…

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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