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Senior Site Reliability Engineer responsible for improving the reliability, scalability, security, performance, and operational excellence of managed-services platforms. Designs Ansible and Python automation, establishes observability and SRE practices, leads incident response and root-cause remediation, troubleshoots applications and infrastructure, and supports Kubernetes and cloud environments. The role mentors engineers, influences architecture and operational standards, and participates in an on-call rotation.
Description
As a Senior Site Reliability Engineer (SRE) at CDW, you will improve the reliability, scalability, performance, security, and operational excellence of applications and platforms supporting Managed Services. This includes customer-connectivity platforms that enable CDW service delivery teams to monitor, troubleshoot, and manage customer environments. You will serve as a senior technical escalation point, resolving complex operational issues, reducing operational demands on development teams, and partnering with software engineering, infrastructure, security, and business stakeholders to improve service resilience. This role combines software engineering, systems engineering, automation, and operational leadership to reduce risk, improve the customer experience, and accelerate delivery. The Senior SRE will also mentor engineers, establish reliability engineering practices, and influence architectural and operational decisions across the organization.
What You Will Do:
* Drive service reliability, scalability, performance, security, and operational excellence across Managed Services applications and customer-connectivity platforms.
* Serve as a senior escalation point for complex operational issues, resolving incidents that exceed the current SRE team's expertise and reducing operational interruptions for development teams.
* Design, develop, and maintain automation using Ansible and Python to reduce operational toil, improve consistency, and increase platform reliability.
* Establish and mature reliability and observability practices, including SLIs, SLOs, Error Budgets, metrics, logs, traces, alerting, and dashboards.
* Lead major incident response, Problem Management, root cause analysis, post-incident reviews, and corrective actions that address systemic issues and prevent recurrence.
* Perform operational readiness and resiliency reviews while identifying reliability risks, operational gaps, technical debt, and opportunities for continuous improvement.
* Troubleshoot complex issues across applications, Kubernetes environments, infrastructure, networking, identity services, databases, certificates, cloud services, and third-party integrations.
* Mentor engineers and partner with development, infrastructure, security, and business teams to improve technical standards, operational practices, documentation, release quality, and production readiness.
* Participate in a scheduled primary and secondary on-call rotation after completing training and demonstrating readiness to independently support the environment.
What We Expect of You:
* Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field and 7+ years of experience in Software Engineering, Site Reliability Engineering, DevOps, Platform Engineering, or a related discipline; or 10+ years of equivalent professional experience.
* 5+ years of experience administering Linux-based systems in enterprise environments.
* 5+ years of experience developing automation solutions using Ansible.
* 3+ years of experience developing automation and operational tooling using Python.
* 3+ years of experience supporting Kubernetes or other container orchestration platforms in production environments.
* Experience supporting business-critical production applications and distributed systems.
* Experience leading major incident response, Problem Management, root cause analysis, and corrective action initiatives.
* Experience working within ITIL-aligned Incident, Problem, and Change Management processes.
* Experience implementing observability solutions using metrics, logs, traces, alerting, and dashboards.
* Experience defining and measuring service reliability using SLIs, SLOs, and Error Budgets.
* Strong knowledge of networking, CI/CD pipelines, source control, certificates, secrets management, and modern software delivery practices.
* Demonstrated ability to troubleshoot complex technical issues, influence technical direction, mentor engineers, and communicate effectively with technical and non-technical stakeholders.
* Experience reviewing, troubleshooting, and making minor enhancements to existing Java-based applications. This is not primarily a Java application-development role, is a plus.
* Experience with Spring Boot, REST APIs, messaging technologies, and microservices architectures, is a plus.
* Experience with OpenTelemetry, Dynatrace, Prometheus, Grafana, or similar observability platforms, is a plus.
* Experience supporting Azure, AWS, or GCP cloud services and cloud-native architectures, is a plus.
* Experience troubleshooting and supporting PostgresSQL, MySQL, MongoDB, DB2, IBMi (AS/400), or other enterprise database platforms, is a plus.
* Experience implementing OAuth 2.0, JWT, RBAC, and secure application practices, is a plus.
* Familiarity with Agile, Scrum, or SAFe delivery methodologies, is a plus.
* Experience supporting enterprise-scale Managed Services environments, is a plus.
* Kubernetes, cloud, security, or automation-related certifications, is a plus. Pay range: $106,000 - $150,180 depending on experience and skill set Annual bonus target of 10% subject to terms and conditions of plan Benefits overview: https://cdw.benefit-info.com/ Salary ranges may be subject to geographic differentials
* CDW is committed to being an AI-fluent organization
* We're looking for people who bring curiosity, a learner's mindset, and a willingness to engage with ever-evolving technology and tools. We value adopting AI as a partner, openness to experimentation, and a shared interest in learning together on AI. Our goal is to create a culture where AI enhances- not replaces- human creativity and decision-making. You don't need to be an expert today; what matters is your readiness to explore, adapt, and grow with us as we integrate AI responsibly and effectively into our work.Additionally, CDW is committed to fostering an equitable, transparent, and respectful hiring process for all applicants. During our application process, our goal is to understand your experience, strengths, skills, and qualifications. As an AI forward company, we see AI not just as a tool, but as a catalyst for new ways of thinking, creating, and communicating. We encourage candidates to embrace an AI mindset, one that's curious, adaptive, and ready to explore what's possible. We welcome thoughtful use of AI to expand your perspective and elevate how you share your story, while ensuring your application remains rooted in your own background, judgment, and voice.
* About Us
* CDW is a Fortune 500 technology solutions provider that helps businesses, government, education, and healthcare organizations achieve what's possible through technology. What makes CDW different isn't just what we do- it's how we do it. At CDW we act as one- building trust, speaking candidly, and working together to achieve more. We play to win- focusing on what matters most and delivering for our customers. And we think forward- staying curious, moving fast, and continuously learning. We believe meaningful work happens when people feel supported, heard, and empowered to contribute. That's why we think of ourselves as coworkers, not just employees- working together to solve complex challenges and deliver real impact for our customers and communities. As a full-stack, full-lifecycle technology partner, CDW brings deep expertise, strong relationships, and broad industry knowledge to help turn ideas into outcomes. When you join CDW, you become part of a collaborative environment where your work matters, your growth is supported, and your contributions help shape what's next. Together, we deliver the full promise of what technology can do.
* Together, we Make Amazing Happen.
* CDW is an equal opportunity employer. All qualified applicants will receive consideration for employment without regards to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status or any other basis prohibited by state and local law.
As a Senior Site Reliability Engineer (SRE) at CDW, you will improve the reliability, scalability, performance, security, and operational excellence of applications and platforms supporting Managed Services. This includes customer-connectivity platforms that enable CDW service delivery teams to monitor, troubleshoot, and manage customer environments. You will serve as a senior technical escalation point, resolving complex operational issues, reducing operational demands on development teams, and partnering with software engineering, infrastructure, security, and business stakeholders to improve service resilience. This role combines software engineering, systems engineering, automation, and operational leadership to reduce risk, improve the customer experience, and accelerate delivery. The Senior SRE will also mentor engineers, establish reliability engineering practices, and influence architectural and operational decisions across the organization.
What You Will Do:
* Drive service reliability, scalability, performance, security, and operational excellence across Managed Services applications and customer-connectivity platforms.
* Serve as a senior escalation point for complex operational issues, resolving incidents that exceed the current SRE team's expertise and reducing operational interruptions for development teams.
* Design, develop, and maintain automation using Ansible and Python to reduce operational toil, improve consistency, and increase platform reliability.
* Establish and mature reliability and observability practices, including SLIs, SLOs, Error Budgets, metrics, logs, traces, alerting, and dashboards.
* Lead major incident response, Problem Management, root cause analysis, post-incident reviews, and corrective actions that address systemic issues and prevent recurrence.
* Perform operational readiness and resiliency reviews while identifying reliability risks, operational gaps, technical debt, and opportunities for continuous improvement.
* Troubleshoot complex issues across applications, Kubernetes environments, infrastructure, networking, identity services, databases, certificates, cloud services, and third-party integrations.
* Mentor engineers and partner with development, infrastructure, security, and business teams to improve technical standards, operational practices, documentation, release quality, and production readiness.
* Participate in a scheduled primary and secondary on-call rotation after completing training and demonstrating readiness to independently support the environment.
What We Expect of You:
* Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field and 7+ years of experience in Software Engineering, Site Reliability Engineering, DevOps, Platform Engineering, or a related discipline; or 10+ years of equivalent professional experience.
* 5+ years of experience administering Linux-based systems in enterprise environments.
* 5+ years of experience developing automation solutions using Ansible.
* 3+ years of experience developing automation and operational tooling using Python.
* 3+ years of experience supporting Kubernetes or other container orchestration platforms in production environments.
* Experience supporting business-critical production applications and distributed systems.
* Experience leading major incident response, Problem Management, root cause analysis, and corrective action initiatives.
* Experience working within ITIL-aligned Incident, Problem, and Change Management processes.
* Experience implementing observability solutions using metrics, logs, traces, alerting, and dashboards.
* Experience defining and measuring service reliability using SLIs, SLOs, and Error Budgets.
* Strong knowledge of networking, CI/CD pipelines, source control, certificates, secrets management, and modern software delivery practices.
* Demonstrated ability to troubleshoot complex technical issues, influence technical direction, mentor engineers, and communicate effectively with technical and non-technical stakeholders.
* Experience reviewing, troubleshooting, and making minor enhancements to existing Java-based applications. This is not primarily a Java application-development role, is a plus.
* Experience with Spring Boot, REST APIs, messaging technologies, and microservices architectures, is a plus.
* Experience with OpenTelemetry, Dynatrace, Prometheus, Grafana, or similar observability platforms, is a plus.
* Experience supporting Azure, AWS, or GCP cloud services and cloud-native architectures, is a plus.
* Experience troubleshooting and supporting PostgresSQL, MySQL, MongoDB, DB2, IBMi (AS/400), or other enterprise database platforms, is a plus.
* Experience implementing OAuth 2.0, JWT, RBAC, and secure application practices, is a plus.
* Familiarity with Agile, Scrum, or SAFe delivery methodologies, is a plus.
* Experience supporting enterprise-scale Managed Services environments, is a plus.
* Kubernetes, cloud, security, or automation-related certifications, is a plus. Pay range: $106,000 - $150,180 depending on experience and skill set Annual bonus target of 10% subject to terms and conditions of plan Benefits overview: https://cdw.benefit-info.com/ Salary ranges may be subject to geographic differentials
* CDW is committed to being an AI-fluent organization
* We're looking for people who bring curiosity, a learner's mindset, and a willingness to engage with ever-evolving technology and tools. We value adopting AI as a partner, openness to experimentation, and a shared interest in learning together on AI. Our goal is to create a culture where AI enhances- not replaces- human creativity and decision-making. You don't need to be an expert today; what matters is your readiness to explore, adapt, and grow with us as we integrate AI responsibly and effectively into our work.Additionally, CDW is committed to fostering an equitable, transparent, and respectful hiring process for all applicants. During our application process, our goal is to understand your experience, strengths, skills, and qualifications. As an AI forward company, we see AI not just as a tool, but as a catalyst for new ways of thinking, creating, and communicating. We encourage candidates to embrace an AI mindset, one that's curious, adaptive, and ready to explore what's possible. We welcome thoughtful use of AI to expand your perspective and elevate how you share your story, while ensuring your application remains rooted in your own background, judgment, and voice.
* About Us
* CDW is a Fortune 500 technology solutions provider that helps businesses, government, education, and healthcare organizations achieve what's possible through technology. What makes CDW different isn't just what we do- it's how we do it. At CDW we act as one- building trust, speaking candidly, and working together to achieve more. We play to win- focusing on what matters most and delivering for our customers. And we think forward- staying curious, moving fast, and continuously learning. We believe meaningful work happens when people feel supported, heard, and empowered to contribute. That's why we think of ourselves as coworkers, not just employees- working together to solve complex challenges and deliver real impact for our customers and communities. As a full-stack, full-lifecycle technology partner, CDW brings deep expertise, strong relationships, and broad industry knowledge to help turn ideas into outcomes. When you join CDW, you become part of a collaborative environment where your work matters, your growth is supported, and your contributions help shape what's next. Together, we deliver the full promise of what technology can do.
* Together, we Make Amazing Happen.
* CDW is an equal opportunity employer. All qualified applicants will receive consideration for employment without regards to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status or any other basis prohibited by state and local law.
CDW Vernon Hills, Illinois, USA Office
200 N. Milwaukee Ave., Vernon Hills, IL, United States, 60061
CDW Chicago, Illinois, USA Office
625 W Adams St., Chicago, IL, United States, 60661
What you need to know about the Chicago Tech Scene
With vibrant neighborhoods, great food and more affordable housing than either coast, Chicago might be the most liveable major tech hub. It is the birthplace of modern commodities and futures trading, a national hub for logistics and commerce, and home to the American Medical Association and the American Bar Association. This diverse blend of industry influences has helped Chicago emerge as a major player in verticals like fintech, biotechnology, legal tech, e-commerce and logistics technology. It’s also a major hiring center for tech companies on both coasts.
Key Facts About Chicago Tech
- Number of Tech Workers: 245,800; 5.2% of overall workforce (2024 CompTIA survey)
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- Notable Investors: Pritzker Group Venture Capital, Arch Venture Partners, MATH Venture Partners, Jump Capital, Hyde Park Venture Partners
- Research Centers and Universities: Northwestern University, University of Chicago, University of Illinois Urbana-Champaign, Illinois Institute of Technology, Argonne National Laboratory, Fermi National Accelerator Laboratory
