Demo

Senior Staff MacOS Engineer

Zscaler
San Jose, CA Full Time
POSTED ON 12/30/2025
AVAILABLE BEFORE 2/18/2026
About Zscaler

Serving thousands of enterprise customers around the world including 45% of Fortune 500 companies, Zscaler (NASDAQ: ZS) was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. As the operator of the world’s largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange™ platform, which is found in our SASE and SSE offerings, protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler.

Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 65 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy.

The Mobile team at Zscaler develops a cross-platform client application for MacOS and IOS, to securely steer endpoint traffic to Zscaler cloud.

Responsibilities

We're looking for an experienced Mac/iOS Developer to join our Endpoint Engineering team. Reporting to the Sr. Manager of Software Engineering, you'll be responsible for:

  • Developing both MAC & iOS applications and frameworks
  • Working with product managers to translate the product requirements to technical requirements, and in turn translate designs and mockups into high-quality code
  • Ensuring the best possible performance, quality, and responsiveness of the application
  • Helping maintain code quality, coding standards and automation
  • Troubleshooting and resolving customer escalations


What We're Looking For (Minimum Qualifications)

  • 7 years of experience in Objective C/SWIFT/C
  • Experience in Mac networking stack and networking protocols and knowledge of design principles, patterns and best practices
  • Experience with RESTful APIs, offline storage, threading, and performance tuning
  • Knowledge of the Mac/iOS ecosystem and the libraries available for common tasks


What Will Make You Stand Out (Preferred Qualifications)

  • Network stack development experience, specifically for VPN client type applications
  • You will have worked on a VPN or ZTNA client application and understand the intricacies of multi-platform client apps
  • Experience with PKI and network security technologies or familiarity with cloud message APIs and Apple Push Notifications


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

$154,000 - $220,000 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.

Benefits

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 Future of Work strategy, 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.

Salary : $154,000 - $220,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Staff MacOS Engineer?

Sign up to receive alerts about other jobs on the Senior Staff MacOS Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$36,885 - $46,221
Income Estimation: 
$79,078 - $104,694
Income Estimation: 
$151,231 - $194,242
Income Estimation: 
$188,900 - $249,994
Income Estimation: 
$187,890 - $240,773
Income Estimation: 
$70,239 - $89,209
Income Estimation: 
$88,984 - $115,784
Income Estimation: 
$92,017 - $124,111
Income Estimation: 
$90,707 - $120,959
Income Estimation: 
$91,486 - $118,193
Income Estimation: 
$88,984 - $115,784
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$131,745 - $167,716
Income Estimation: 
$144,503 - $184,592
Income Estimation: 
$102,541 - $137,871
Income Estimation: 
$153,752 - $200,235
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Zscaler

  • Zscaler San Jose, CA
  • About Zscaler Zscaler accelerates digital transformation so our customers can be more agile, efficient, resilient, and secure. Our cloud native Zero Trust ... more
  • 12 Days Ago

  • Zscaler San Jose, CA
  • About Zscaler Zscaler accelerates digital transformation so our customers can be more agile, efficient, resilient, and secure. Our cloud native Zero Trust ... more
  • 14 Days Ago

  • Zscaler San Jose, CA
  • About Zscaler Zscaler accelerates digital transformation so our customers can be more agile, efficient, resilient, and secure. Our cloud native Zero Trust ... more
  • 15 Days Ago

  • Zscaler San Jose, CA
  • About Zscaler Zscaler accelerates digital transformation so our customers can be more agile, efficient, resilient, and secure. Our cloud native Zero Trust ... more
  • 15 Days Ago


Not the job you're looking for? Here are some other Senior Staff MacOS Engineer jobs in the San Jose, CA area that may be a better fit.

  • xAI Palo Alto, CA
  • About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small... more
  • 1 Day Ago

  • Zscaler San Jose, CA
  • About Zscaler Zscaler accelerates digital transformation so our customers can be more agile, efficient, resilient, and secure. Our cloud native Zero Trust ... more
  • 11 Days Ago

AI Assistant is available now!

Feel free to start your new journey!