Sr Site Reliability Engineer

n11; Fatih; On-site; TRY 400,000 - 800,000; Full time

Job summary

n11 is seeking a dynamic Sr Site Reliability Engineer to join our Technology Department in a fast-paced online retail environment. You will own reliability of critical services, shape automation, and collaborate with software, security and product teams to deliver scalable systems.

You will deploy and maintain infrastructure, implement monitoring and incident response, optimize performance and resilience, and drive best practices across CI/CD, logging, and configuration management.

Qualifications

• Bachelor's degree in a related field.
• 5+ years of hands-on SRE/DevOps experience.
• Deep knowledge of Java app servers (Tomcat/WebLogic) and containerized environments (Docker/Kubernetes).
• Experience with log aggregation (Elasticsearch, Splunk) and caching (Redis, Couchbase, Hazelcast).
• Familiar with messaging systems (Kafka, RabbitMQ) and APM/monitoring tools (Datadog, Dynatrace, Grafana).
• Strong knowledge of CI/CD (Jenkins, GitLab, Bitbucket) and infra as code (Terraform, Ansible).
• Exposure to network protocols (IP, TCP, HTTP, DNS, SSL) and cloud/ IaC tooling.

Responsibilities

• Provide guidance on system options, risk, impact and costs vs. benefits.
• Develop automation code to deploy and maintain infrastructure and apps.
• Collaborate with Software Engineering, Security and Product teams.
• Install, configure, and maintain solutions; develop interfaces and simulators; maintain scripts.
• Monitor systems and ensure performance, scalability and stability.
• Manage all systems administration tasks including bootstrapping, builds and security patches.
• Deploy modules and upgrades; perform production fixes.
• Troubleshoot information systems and optimize performance.

Skills

DevOps principles

Distributed systems

Team collaboration

Problem solving

Education

Bachelor's degree

Tools

Docker

Kubernetes

Java (Tomcat/WebLogic)

Elasticsearch

Splunk

Redis

Couchbase

Hazelcast

Kafka

RabbitMQ

Datadog

AppDynamics

New Relic

Dynatrace

Zabbix

Prometheus

Grafana

Jenkins

GitLab

Bitbucket

Terraform

Ansible

Puppet

Salt

Job description

We are looking for a dynamic and result-oriented Sr Site Reliability Engineer to join our Technology Department.

What you'll do

• Prove guidance and expertise on system options, risk, impact and costs vs. benefits
• Develop automation code to deploy and maintain infrastructure and applications
• Collaborate closely with Software Engineering, Security and Product teams.
• Install and configure solutions, implement reusable components, translate technical requirements, assist with all stages of test data, develop interface stubs and simulators and perform script maintenance and updates
• Keep up with metrics and use monitoring systems to provide the best performance, scalability and stability
• Shape and perform all systems management-related tasks like server bootstrapping, site build-outs, software rollouts and security patches including monitoring and alerting
• Deploy new modules and upgrades and complete fixes within the production environment.
• Troubleshooting existing information systems for errors and resolving those errors
• Give recommendations for enhancing performance, identifying the most practical alternative solutions, and assisting with modifications

Who you are

• Bachelor's degree in a related field
• Min 5+ years experiences
• Extensive hands-on experience with Java application servers (Tomcat, WebLogic), Docker & Kubernetes and deep knowledge of DevOps principles
• Experience in log aggregation solutions such as Elasticsearch, Splunk or equivalents
• Experience in Cache Management such as Couchbase, Redis or Hazelcast
• Experience in distributed messaging systems such as Kafka, RabbitMQ
• Experience in Application Performance Management (APM) tools such as Datadog, AppDynamics, New Relic or Dynatrace
• Experience in monitoring and alerting services such as Zabbix & Prometheus/Grafana
• Experience in designing, analyzing and troubleshooting large-scale distributed systems
• Knowledge in Automation/Configuration management tools such as Ansible, Puppet or Salt (Preferly Ansible)
• Knowledge in IaaC tools preferly Terraform
• Knowledge in one of the following programmings: Java, Python, Go, and Rust
• Knowledge in JVM and java application servers (Tomcat, Weblogic etc..)
• Knowledge in network protocols including IP, TCP, HTTP, DNS, SSL
• Knowledge in CI/CD systems such as Jenkins, Gitlab or Bitbuckets
• Knowledge in CDN such as Akamai, Fasty, Cloudflare is nice to have
• Knowledge in Load Balancing is nice to have

As n11.com, we care about your Personal Data Security. Please find the Personal Data Protection Information Notice from the link below.

https://n11scdn1.akamaized.net/custom/aydinlatma-metni/People-Aydinlatma-Metni.pdf