Calix · 18 hours ago
Network Intelligence Intern
United States
Internship
Remote
Intern
$27.60/hr - $34.50/hrCalix is a company seeking a Software Engineer Intern for their Network Intelligence team. The intern will analyze network traffic, develop classification logic, and contribute to broadband cybersecurity and intelligence efforts during a 90-day summer internship.
AnalyticsInformation TechnologyInfrastructureInternetSoftwareTelecommunicationsVoIP
Responsibilities
Analyze network traffic data and PCAPs to derive patterns, signatures, and classification rules for Layer 7 protocols and applications
Develop and enhance intelligence logic used for application identification, device typing, and threat detection
Implement classification tests, unit tests, and verification logic to ensure accuracy and coverage of new signatures
Use tools such as Wireshark to inspect flows, validate assumptions, and document protocol behaviors
Collaborate with senior engineers to refine detection methods, evaluate edge cases, and address gaps in existing intelligence libraries
Participate in peer reviews, technical discussions, and requirements clarifications as part of the engineering lifecycle
Contribute to internal documentation, including signature specifications, detection logic descriptions, and testing notes
Assist in identifying improvements to automation workflows, data analysis processes, or tooling
Qualification
Required
Currently enrolled in an undergraduate college degree program in Computer Science, Computer Engineering, Software Engineering, or a related field. Preference will be given to students who have at least completed their junior or senior years and who have previous internship or work experience
Strong understanding of networking fundamentals, including OSI model, TCP/IP, Layer 7 protocols, and common application architectures
Experience with at least one programming language used for analysis or tooling
Knowledge of Linux environments
Able to work for the complete summer break (May - August or June - September)
Preferred
Experience with protocol reverse-engineering or traffic pattern analysis
Familiarity with network security concepts or threat detection fundamentals
Exposure to automation frameworks or scripting for data analysis
Company
Calix
Calix provides the cloud, software, systems and services for service providers to simplify business, excite subscribers and grow value
Founded in 1999
1001-5000 employees
H1B Sponsorship
Calix has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (37)
2024 (22)
2023 (25)
2022 (31)
2021 (19)
2020 (7)
Funding
Current Stage
Public CompanyTotal Funding
$100M2010-03-24IPO
2009-08-31Series Unknown· $50M
2003-02-07Series E· $50M
Leadership Team
Michael Weening
President and CEO, Member of the Board
Cory Sindelar
Chief Financial Officer
Recent News
2026-01-16
Company data provided by crunchbase