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Senior Software Engineer

Join Illumio as a Senior Software Engineer to develop containerized services for a leading cybersecurity platform.

Location
Sunnyvale, California, United States
Compensation
Not disclosed
Level
senior
Type
full time · On-site

Posted by employer 1 day ago

First seen on Joblaze 7 hours ago

Last verified on the company career page 7 hours ago

Apply at Illumio → Save job Scanned from illumio.com

What you'll build

  • Develop containerized services for a distributed multi-tenant system
  • Design and defend service architecture
  • Mentor junior engineers and interns
  • Own critical features and subsystems
  • Partner with Product Management to refine requirements

Must have

  • 4+ years building distributed & scalable software
  • Experience in Go and SQL
  • Extensively used AWS/Azure/GCP at the API/programming level

Nice to have

  • Experience with networking and security controls
  • Experience delivering a containerized service
  • CloudFormation, Terraform, Ansible experience

Practical constraints

  • 5 on-site days a week

Requirements

Experience
4+ years
Education
Bachelor's degree

Not disclosed in this posting: compensation, visa sponsorship.

Joblaze summary

In this role, the Senior Software Engineer at Illumio develops containerized microservices for a distributed multi-tenant system, focusing on processing real-time data and network telemetry from various cloud environments. Proficiency in Go and SQL is essential, along with experience in cloud platforms like AWS, Azure, or GCP, and familiarity with Kubernetes. This position is ideal for someone with over four years of experience in building scalable software systems and a strong desire to mentor junior engineers. The engineering team emphasizes autonomy and ownership, fostering a collaborative environment to tackle significant cybersecurity challenges.

Joblaze insights

  • Listed today — first seen on Joblaze October 9, 2026. Last confirmed on Illumio's careers page October 9, 2026.
  • This exact title is also open at 1 other location at Illumio: Sunnyvale, California - HQ.
  • AWS appears in 32% of 503 comparable senior backend roles in United States; TCP/IP appears in 1% of 503 comparable senior backend roles in United States.

Quick facts

Is the Senior Software Engineer role remote?
No — this is an on-site role in Sunnyvale, California, United States.
How much experience is required?
At least 4 years of relevant experience for this Senior Software Engineer role.
Where is the role based?
Illumio is hiring for this position in Sunnyvale, California, United States.
What's the tech stack?
Joblaze extracted these technologies from the posting: AWS, Azure, GCP, Go, Kubernetes, Linux.
What seniority level is this role?
Illumio targets senior candidates for this position.
Is this full-time or contract?
Full-time for this Senior Software Engineer role at Illumio.

From the original posting

Location: 5 on-site days a week in Sunnyvale, CA Headquarters.

Our Team's Vision:

Our Engineering team is driven by a culture that thrives on visionary leadership, autonomy, and ownership, creating a dynamic synergy that drives us forward in the ever-evolving landscape of cybersecurity.

When you join our team, you become part of the leader in Zero Trust Segmentation. You'll work with a cutting-edge technology stack that spans operating systems, distributed applications, and immersive UI/visualization tools.

We're shaping the future of cybersecurity. And together, we will continue to build world-class products—led by people with different perspectives, backgrounds, and a commitment to innovation in a time when the world faces its greatest cybersecurity threats in history.

Your Impact:

  • You will be developing containerized (micro) services for a distributed multi-tenant system that process data and real time events and network telemetry from multiple public clouds to provide real time insights, visibility, and security recommendations to customers so they can identify and minimize risk in the cloud.

  • You will design your service, work out all of the details, defend the design/architecture before your peers, and deliver a rock-solid implementation.

  • You will also mentor junior engineers, new-grads, and interns to help them grow as engineers and become productive members of the team.

  • You will primarily write code in Go and work with data pipeline using SQL or other types of interfaces. We leverage Kubernetes for service infrastructure platform. We welcome people with backgrounds in other languages and technology stacks along with a desire to learn.

  • Own critical features and subsystems and own the entire software development lifecycle, from clarifying requirements to ensuring their successful deployment and usage by customers.

  • Own operational aspects of the system, being on the front lines and experiencing first-hand the challenges of operating such a system, will make you understand how to write better more supportable software, like no other experience.

  • Own code quality, as we do early developer testing and functional/integration testing to ensure we build robust and resilient products.

  • Partner with Product Management to review, refine requirement that exceed our customers’ expectations.

  • Develop deep understanding of the fundamental problems our customers need solved through interaction with stakeholders and peers.

Your Toolkit:

  • Bachelor’s in computer science or equivalent degree. Master’s degree a plus

  • 4+ years building distributed & scalable software and systems

  • Passion for software development, willing to constantly learn, keeping up with technological trends, and working in a team setting

  • AWS / Azure / GCP cloud experience:

    • Extensively used one of these platforms at the API/programming level

    • Experience with networking and security controls is a plus

  • Our platform is K8s based so experience delivering a containerized serviced is desired

  • Language requirements

    • Experience in Go and SQL

    • REST API client experience

    • CloudFormation, Terraform, Ansible are nice to have

    • General TCP/IP networking knowledge

    • Unix/Linux programming environment experience

This position involves access to software/technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.

#LI-KD1 #LI-ONSITE

Our Commitment

Standard company text repeated across Illumio's postings is omitted here.

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