Staff Windows Engineer jobs in United States
cer-icon
Apply on Employer Site
company-logo

Illumio · 1 day ago

Staff Windows Engineer

positionSunnyvale, CA
timeFull-time
remoteOnsite
seniorityLead/Staff
date8+ years exp

Illumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience. The Staff Windows Engineer will build a new way to orchestrate Zero Trust segmentation utilizing the Windows Filtering Platform, while delivering a robust implementation that protects critical infrastructure for large enterprises.

Cloud SecurityCyber SecurityData CenterSaaSSecurity
check
Growth Opportunities
check
H1B Sponsor Likelynote

Responsibilities

You will build a new, unprecedented way to orchestrate Zero Trust segmentation down to the application utilizing the Windows Filtering Platform
Use the latest technologies and C++ standard
You will have the opportunity to own and design critical features and subsystems, work out all the details, and defend the design before your peers
You will deliver a rock-solid implementation that is elegant, simple, scalable, stable, secure, and supportable. Our product protects the critical infrastructure of large enterprises. It must work
You will have the opportunity to work with the field organization and key customers to shape this novel product

Qualification

C/C++ programmingWindows kernel debuggingWindows Kernel DriversDistributed systemsNetworking programmingMulti-threaded applicationsData structuresAlgorithmsDebugging skillsWindows Filtering PlatformFirewalling technologiesBPF/eBPF

Required

Bachelor's in computer science or equivalent degree
8+ years building distributed & scalable software systems
Expertise in programming in C or C++ (11/14/17/20)
Sound networking programming skills at the ip/socket or lower level
Experience with Windows kernel level debugging
Experience developing multi-process and multi-threaded applications
Must have written production quality Windows Kernel Drivers
Familiarity with, and passion for Windows Filtering Platform (WFP), and related technologies
Solid foundation in data structures, algorithms, networking concepts, and debugging skills

Preferred

Master's degree a plus
Experience with other firewalling technologies such as iptables, nftables, or packet filter
Familiarity with BPF/eBPF

Company

Illumio

twittertwittertwitter
Glassdoor4.1
company-logo
Illumio, the breach containment leader
dateFounded in 2013
location
Sunnyvale, California, USA
people-size501-1000 employees
web-link
http://www.illumio.com

H1B Sponsorship

Illumio 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 (44)
2024 (26)
2023 (21)
2022 (12)
2021 (19)
2020 (24)

Funding

Current Stage
Late Stage
Total Funding
$557.5M
Key Investors
Thoma BravoJ.P. Morgan Asset ManagementGeneral Catalyst
2021-06-23Series F· $225M
2019-02-07Series E· $65M
2017-06-07Series D· $125M

Leadership Team

leader-logo
Andrew Rubin
CEO & Founder
linkedin
leader-logo
Ben Verghese
Chief Technology Officer
linkedin

Recent News

Silicon Republic
From A&E to SOC: What cyber defenders can learn from emergency healthcare
2025-12-19
Best Endpoint Protection Security (EPP) Tools, Software, Solutions & Vendors
Back to Basics: Why Good Cyber Hygiene Must Precede AI Adoption
2025-12-19
Accel.
Accel Portfolio -Illumio.
2025-12-15
Company data provided by crunchbase