Internships at Calix
Start your career
At Calix, internships are more than a job— they’re a launchpad. Over the course of 90 days—from the end of spring semester through the start of fall— interns become core members of our team, contribute to real business outcomes, and build connections that last well beyond summer.
A full contributor
Build skills that matter
At Calix, interns contribute to meaningful and relevant projects that provide value to the business. We believe internships are more than a job — but an opportunity to provide real-world impact.
Meaningful work
Ready on day one
Interns begin with clarity—assigned to meaningful projects before signing their offer. From day one, we welcome interns as full team members—encouraging participation in meetings and providing mentorship and guidance throughout their assigned projects.
Get to know your fellow interns through group activities
Opportunities to explore other functions to gain greater exposure to and understanding of how businesses operate
Network and learn from our Executive Leadership Team by attending our seminar series
Share your accomplishments and associated impact by presenting your work to the broader Calix team
Resume building and interviewing workshop with our Talent Acquisition Team
Computer equipment to enhance your productivity working remotely
A great place to work
Awards and recognition
Comparably Best Company Outlook
Calix employees underscored that the company has rapid momentum and a bright future, ranking it #10 out of 100 companies with the best outlook in 2024—3 spots higher than last year—buoyed by high employee confidence.
Vault Top Ranked Internships
The Calix Internship Program has been recognized by Vault in the Tech & Engineering and Quality of Life categories, highlighting our exceptional technical learning opportunities and commitment to creating a supportive environment for our interns.
Comparably Best Company for Women
Calix awarded best company for women in 2025 based on feedback from female employees on their workplace experiences.
Inspiring Workplaces
Calix was recognized as a Global Top Inspiring Workplace by Inspiring Workplaces. Organizations are honored based on the elements to build an inspiring workplace: culture and purpose, leadership, well-being, inclusion, communication, and experience.
Comparably Best Company for Diversity
Calix wins 2025 best company for diversity award from Comparably
Best Workplaces for Innovators
Calix was honored as one of Fast Company's Best Workplaces for Innovators, demonstrating a commitment to capturing great ideas, wherever they originate.
Glassdoor Best Place to Work
Calix was named a Best Place to Work in 2024 based on surveys with employees about how they feel about their workplace.
Comparably #1 Best Place to Work in Bay Area
Based on employee rankings of their overall workplace experiences, Calix is the #1 place to work in Silicon Valley in 2023. This ranking—up 10 points from 2022—underscores the success of a seven-year commitment to the work-from-anywhere movement
#1 Inspiring Workplace
Calix was named first out of 50 winners of the 2023 top Inspiring Workplaces awards, recognized for culture and purpose, leadership, wellbeing, inclusion & diversity, communication, and employee experience.
Comparably Best Global Culture
Calix is again recognized in 2024 by Comparably with best global culture. As we grow and scale our innovation and workforce, Calix continues to uphold its culture while amplifying the positive impact it has on communities.
Comparably Best Engineering Teams
With 110 patents for industry-leading technologies, Calix is relentlessly focused on innovating for its broadband service provider customers and attracting top engineering talent—resulting in this award.
Comparably Best HR Teams
For the second year in a row, Calix has been named best in HR teams, reflecting its success in attracting, nurturing, and retaining a superbly talented workforce amidst an extended period of growth.
TMCnet Tech Culture Award
Calix focuses heavily on building a strong culture and it shows—with a 4.9/5-star rating, 98 percent overall approval and 100 percent CEO approval on Glassdoor, and with employees routinely sharing “Why I Love Calix” posts on social media.
American Business Stevie Award for Calix Engagement Cloud
In 2024, Calix took home a gold medal for Best Marketing Campaign of the Year, silver medals for Marketing Disruptor of the Year and Best Use of Data to Drive Brand Strategy, and a bronze medal for Best Cloud Platform.
CODiE Award for Best Customer Service Solution
Calix Service Cloud won the Software and Information Industry Association (SIIA) CODiE Award for Best Customer Service Solution as the best tool, platform, or service that helps businesses enhance their customer service and support.
Lightwave Innovation Reviews Award
Lightwave, who has been bringing trusted technical insights to optical communications professionals for decades has honored Calix in the annual Lightwave Innovation Reviews in the FTTx Systems category.
Internet Telephony Product of the Year
TMC recognized Calix Engagement Cloud with the prestigious Internet Telephony “Product of the Year” awards as one of the most innovative, useful, and beneficial IP communications and cloud products available to deploy.
MSCI awards Calix an AA in ESG
Calix earns an AA rating from the environmental, social, and governance ratings agency MSCI—a distinction shared by only 18 percent of companies evaluated—recognizing the company’s exemplary sustainability practices.
Sustainability and climate protection
American Business Awards gives the Calix Broadband Platform a Stevie award for sustainability and climate protection.
GigaSpire u10xe for Telecommunications Product
American Business Awards recognizes the GigaSpire u10xe with the Bronze Stevie award for telecommunications product.
Glassdoor Best Led Companies
Based on Calix employee reviews, Calix earns a spot on Glassdoor's list of best-led companies, based on our exceptional leadership team.
Leading Lights Award
Intelligent Access won the Light Reading Leading Lights award for "Most Innovative Broadband Solution" due to its innovative software-defined access operating system (AXOS), which helps BSPs deliver services faster at a lower TCO.
Hear from our interns
Collaborate, Create, Communicate
Our culture
Calix is a work-from-anywhere company, built on the belief that talent and drive produces performance, not location. Whether remote or in person, we trust our team to get the job done. For those who prefer an office environment, our San Jose, CA location is always open.
LEADING THE WAY TO A BETTER FUTURE
The Calix sustainability promise
We’re building a sustainable future for Calix, our customers, and the communities they serve. Through our products, services, and business practices, we do what’s right — environmentally, socially while being financially responsible so we can create lasting positive impact.
