Site Reliability Engineer

Cognizant; Glasgow; On-site; GBP 85,000 - 125,000; Full time

Job summary

Cognizant is seeking a Site Reliability Engineer in Glasgow to ensure highly available and secure application platforms on AWS, Kubernetes and Springboot microservices. The role emphasises observability with Splunk and Dynatrace, incident prevention, and continuous improvement within a fully onsite, day-shift schedule in Glasgow.

The ideal candidate will have strong SRE experience, hands-on AWS/Kubernetes expertise, and a proven track record of building reliable, scalable cloud-native systems.

Qualifications

• 8–12 years of SRE experience focused on reliability and performance.
• Experience with AWS, Kubernetes, and Springboot microservices.
• Strong observability using Splunk and Dynatrace.

Responsibilities

• Design highly available, resilient AWS infrastructure for hybrid environments.
• Tune Kubernetes resources and deployment pipelines for performance.
• Develop Springboot microservices with reliability and modularity.
• Create Splunk monitoring, alerts and capacity trend analysis.
• Apply SRE principles: error budgets, SLIs/ SLOs.
• Lead incident RCA and preventive actions.
• Document runbooks and reliability patterns.

Skills

Java

Springboot

Microservices

Kubernetes

Dynatrace

Splunk

Tools

AWS

Splunk Core Certified Power User

AWS Certified SysOps Administrator

AWS Certified DevOps Engineer

Certified Kubernetes Administrator

Job description

Site Reliability Engineer

About the role

The Site Reliability Engineer will ensure highly reliable, secure and scalable application platforms by applying SRE practices on cloud native systems built on AWS, Kubernetes and Springboot microservices using Java. The role focuses on observability with Splunk, performance optimization and incident prevention for complex hybrid environments in day shift with a strong focus on continuous improvement and service resilience.
Location: Glasgow, UK
Work Arrangement: This is a fully onsite role, requiring attendance at the Glasgow office 5 days per week.

Mandatory Skills

• Java, Springboot, Microservices, Kubernetes, Dynatrace and Splunk.
• Certifications Required: AWS Certified SysOps Administrator or AWS Certified DevOps Engineer and Certified Kubernetes Administrator and Splunk Core Certified Power User

Additional eligibility requirements:

• Candidates must be available to start within 4 weeks of receiving an offer.
• Candidates must currently reside in the UK.

In this role, you will:

• Design and implement highly available and resilient application infrastructure on AWS to ensure business critical services run reliably and efficiently across hybrid environments.
• Optimize Kubernetes based container platforms by tuning resource usage, scaling strategies and deployment pipelines to maintain consistent performance under varying workloads.
• Develop and enhance Springboot microservices in Java to improve reliability, modularity and fault tolerance while aligning with best practices for cloud native architectures.
• Create and maintain SRE focused monitoring and alerting strategies using Splunk to provide deep visibility into application health, latency, errors and capacity trends.
• Apply SRE principles such as error budgets, service level indicators and service level objectives to guide reliability decisions and balance innovation with stability.
• Conduct detailed root cause analysis for production incidents and implement robust corrective actions to prevent recurrence and improve overall system resilience.
• Collaborate with application engineers and platform teams to design scalable release strategies that reduce deployment risk and improve change success rates in day shift operations.
• Automate routine operational tasks including deployments, rollbacks, configuration updates and health checks to reduce manual effort and improve consistency. -Implement capacity planning and performance testing strategies to ensure systems meet growth expectations and maintain optimal response times for end users.
• Document runbooks, operational procedures and reliability patterns to support consistent incident response and knowledge sharing across global teams.
• Partner with stakeholders supporting asset and wealth management processes to understand domain specific reliability needs and translate them into technical solutions.
• Drive continuous improvement initiatives by analyzing reliability metrics, identifying bottlenecks and proposing targeted enhancements that support organizational goals.
• Ensure security, compliance and governance requirements are integrated into SRE workflows so platforms remain protected while delivering dependable services.
• Qualifications -Show proven experience working as a Site Reliability Engineer in complex environments for eight to twelve years with consistent focus on reliability and performance.
• Demonstrate strong hands on expertise in AWS services such as compute, storage, networking and managed application components used to host production workloads.
• Exhibit practical experience implementing SRE frameworks including observability, incident management, error budgets and service level definitions in large scale systems.
• Display advanced skills using Splunk for log management, custom dashboards, alerts and analytics to support proactive detection of issues and trends.
• Provide solid experience managing Kubernetes clusters including configuration, scaling, workload orchestration and troubleshooting in production contexts.
• Show deep proficiency building and maintaining Springboot based microservices using Java with emphasis on modular design, resilience and maintainability.
• Highlight any background in asset and wealth management domains where reliability and integrity of transactional systems and client facing platforms are critical.