Sr. Site Reliability Engineer

Illumio

Illumio

Software Engineering

Sunnyvale, CA, USA

USD 170k-196k / year

Posted on Apr 23, 2026

Location

Sunnyvale, California - HQ

Employment Type

Full time

Location Type

On-site

Department

Engineering

Compensation

  • Base Salary $170K – $196K

The pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include responsibilities of the job, education, location, experience, knowledge, skills, abilities, and internal equity, alignment with market data, or applicable laws.

At Illumio we offer a wide range of benefits to our eligible team members. Our benefit programs vary by location and can include Medical, Dental, Vision Coverage – Health and Dependent Savings Accounts – Life and Disability Programs – Paid Parental Leave – Voluntary Benefit Programs – Company Sponsored Wellness Program – Wellness Reimbursement Program - Retirement Savings – Equity Opportunities – Paid time off and Paid Holidays – Employee Incentive Program.

Know your tier.

Onwards Together!

Illumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience. Powered by the Illumio AI Security Graph, our breach containment platform identifies and contains threats across hybrid multi-cloud environments – stopping the spread of attacks before they become disasters.

Recognized as a Leader in the Forrester Wave™ for Microsegmentation, Illumio enables Zero Trust, strengthening cyber resilience for the infrastructure, systems, and organizations that keep the world running.

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

Our Team's Vision:

Our Engineering team is shaping the future of cybersecurity. We thrive on visionary leadership, autonomy, and ownership, fostering a culture of innovation that propels us forward in the ever-evolving cybersecurity landscape.

As a leader in Zero Trust Segmentation, we are redefining security for a world facing unprecedented cyber threats. You’ll work with a highly scalable SaaS service built using cloud-native technologies while simultaneously shipping the solution on-premises.

Our guiding philosophy in Engineering is to get things right through practicing disciplined engineering, focusing, not cutting corners, and of course having fun while we are at it. We believe in enabling ownership at all levels of the organization and empowering teams. If you thrive in this culture, come join us!

Your Impact:

  • Design, deploy, and maintain highly available and scalable infrastructure solutions on Azure cloud platform to support our applications and services

  • Implement infrastructure as code (IaC) principles using tools such as Terraform or ARM templates to automate provisioning and configuration management

  • Develop and maintain robust CI/CD pipelines for automated software delivery and deployment, ensuring efficiency and reliability throughout the release process

  • Monitor system performance, application health, and infrastructure metrics using Azure monitoring and logging services, and implement proactive measures to optimize performance and availability

  • Lead incident response and resolution efforts, conducting root cause analysis, implementing corrective actions, and documenting post-incident reviews

  • Collaborate closely with development teams to design and implement scalable and reliable architectures, providing guidance on best practices for cloud-native application development

  • Implement security best practices and controls in Azure environments to protect data, applications, and infrastructure, and ensure compliance with regulatory requirements

  • Drive continuous improvement initiatives to enhance reliability, scalability, and efficiency of Azure infrastructure and services, leveraging automation and emerging technologies

  • Provide mentorship and guidance to junior team members, fostering a culture of learning, collaboration, and innovation within the SRE team

  • Stay current with Azure cloud platform updates, trends, and best practices, and evaluate emerging technologies for potential adoption to drive innovation and efficiency

Your Toolkit:

  • Bachelor's degree in Computer Science, Engineering, or related field; or equivalent work experience

  • 6+ years of experience working as a Site Reliability Engineer (SRE) or similar role, with a focus on Azure cloud platform

  • Hands-on experience in designing, deploying, and managing Azure infrastructure, including compute, storage, networking, and security services

  • Proficiency in scripting and programming languages such as PowerShell, Python, or Go for automation and infrastructure management tasks

  • Strong understanding of CI/CD principles and experience with tools such as Azure DevOps, Jenkins, or GitLab CI/CD

  • Experience with containerization technologies (e.g., Docker, Kubernetes) and microservices architecture in Azure environments is a plus

  • Excellent analytical, problem-solving, and communication skills, with the ability to collaborate effectively with cross-functional teams

  • Azure certifications such as Azure Solutions Architect, Azure DevOps Engineer, or Azure Security Engineer are preferred

Our Commitment:

Illumio believes that an environment of unique backgrounds, experiences, viewpoints, and individual contributions drives our success and makes us stronger together. We are dedicated to creating and maintaining a diverse culture and emphasizing inclusion and belonging.

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

All official job offers from our company are extended directly by our recruitment team and will be sent through an official E-Signature document for your review and signature. Please be aware that we do not ask for any personal information in the process of extending offers of employment, such as financial details or social security numbers. Upon acceptance of any offer, we will request such information as part of the onboarding process prior to or on your first day of employment, and only after completing a background check through an authorized third-party vendor. If you receive any communication asking for personal details outside of these processes, please contact us immediately to verify the authenticity of the request. Your security is important to us, and we are committed to a safe and transparent hiring experience.

For roles in San Francisco and Los Angeles: Pursuant to the San Francisco Fair Chance Ordinance and the Los Angeles Fair Chance Initiative for Hiring, Illumio will consider for employment qualified applicants with arrest and conviction records.

Compensation Range: $170K - $196K