Senior System Engineer

iyzico; Fatih; On-site; TRY 600,000 - 900,000; Full time

Benefits offered by this job

Meal & Internet Allowance

Private health insurance

Macbook and setup support

Training Platform Access

Flexible working model

Transportation Allowance

Job summary

iyzico is seeking a System/Infra Engineer to design, deploy, and maintain robust production and test environments across Linux and cloud. You will automate configurations, manage CI/CD pipelines, and ensure security and high availability in a fast-paced fintech setting.

Ideal candidates have 5+ years in infra engineering, strong Linux skills, hands-on cloud experience, and proficiency with Terraform, Ansible, Docker, and Kubernetes. Hybrid work model and excellent benefits are offered.

Qualifications

• Minimum 5 years experience as System Engineer, Systems Administrator, or Infra Engineer.
• Strong Linux background with system administration, kernel tuning, troubleshooting.
• Hands-on with at least one major public cloud provider (AWS, GCP, Azure, etc.).
• Experience with Terraform and Ansible for infra management and config automation.
• Knowledge of storage systems and enterprise backup/restore operations.
• Experience with containers and orchestration (Docker, Kubernetes).
• Familiar with observability/logging stacks and messaging systems.

Responsibilities

• Design, deploy, and maintain robust production/test environments across Linux and cloud.
• Automate configurations, provisioning, and builds with Terraform and Ansible.
• Oversee storage solutions, lifecycle policies, and backups/recovery strategies.
• Architect and maintain infrastructure for AI agentic workflows and pipelines.
• Support dev teams by managing CI/CD environments and deployments.
• Enforce server/network security, patch management, and system hardening.
• Ensure 24/7 availability with monitoring and incident response tooling.

Skills

Linux administration

Cloud platforms

Terraform

Ansible

Docker

Kubernetes

Observability

CI/CD

Security best practices

Tools

Terraform

Ansible

Puppet/Chef

Git/GitLab

Docker

Kubernetes

Prometheus/Grafana

RabbitMQ/Kafka

Job description

iyzico

iyzico was founded in 2013 to provide online payment services and artificial intelligence-based payment technologies to businesses of various sizes in the world of e-commerce. By making the complex payment processes simple through its easy and secure platform, iyzico had achieved significant successes through supporting thousands of businesses in digitalization and was acquired by the global payment systems giant PayU in 2019. With such a robust structure, iyzico is operating on the principle of democratizing financial services and making them accessible for everyone alongside the services it provides to businesses.

Through iyzico Buyer Protection, consumers’ concerns regarding shopping online are resolved and better experiences are enabled. Control is handed back to the consumers by 24/7 live support through the iyzico mobile app and convenience in cancellation/returns processes. To this date, more than 2 million consumers shopped online under the security provided by iyzico Buyer Protection and this number is increasing daily. Via pay with iyzico, which is a blended payment solution, millions of consumers who do not use banking can safely shop online under the belt of iyzico Buyer Protection.

iyzico continues to simplify online shopping for both consumers and sellers by the simple, accessible, and innovative technologies it developed.

Key Responsibilities

• Design,deploy,andmaintainrobustproduction/testenvironmentsacrossenterpriseLinuxandpublicCloudplatforms.
• Manageandautomatesystemconfigurations,provisioning,andenvironmentbuildsusingtoolssuchasTerraformandAnsible.
• Overseeenterprisestoragesolutions,definelifecyclepolicies,andmanagereliablebackupanddisasterrecoverystrategies.
• Help architect and maintain resilient system infrastructure optimized for AI agentic workflows and automated execution pipelines.
• Supportdevelopmentteamsbymanaging,automating,andmaintainingCI/CDenvironmentsandapplicationdeploymentpipelines.
• Enforceserver/networksecuritypolicies,maintainproactivepatchmanagement,trackCVEs,andapplysystemhardeningstandards.
• Ensure24/7highavailabilityusingmonitoring,centralizedlogging,andproactiveincidentresponsetooling.

Qualifications & Experience

• Minimum5yearsofexperienceasaSystemEngineer,SystemsAdministrator,orInfrastructureEngineer.
• StrongbackgroundinLinux-basedenvironments,systemadministration,kerneltuning,andtroubleshooting.
• Hands on experience with at least one major public cloud provider (Google Cloud, AWS, Azure or Tencent Cloud).
• PracticalexperiencewithTerraformforinfrastructuremanagementandAnsible(orPuppet/Chef)forconfigurationautomation.
• Solidknowledgeofstoragesystems(SAN/NAS,ObjectStorage)andenterprisebackup/restoreoperations.
• Experiencewithcontainertechnologies(Docker,Podman)andorchestrationengines(KubernetesorDockerSwarm).
• Familiaritywithobservabilityandloggingstacks(Prometheus,Grafana,Zabbix,Elasticsearch,Splunk)andmessagingsystems(RabbitMQ,Kafka,etc.).

NICE TO HAVE

• Interest in or exposure to AI agentic architectures, workflow automation, and LLM deployment infrastructure.
• Understandingofloadbalancingandcachingmechanisms(Nginx,HAProxy,Redis).
• KnowledgeofVCStools(Git/GitLab)anddeployingJava/modernapplicationswithinCI/CDpipelines.
• Strongdocumentationdisciplineandastructured,security-firstapproachtosystemsengineering.

What We Offer

• A culture of continuous development: conferences, in-house events & Tech Talks to stay up-to-date on current research and technology.P.S.:You do not need to wait to get on the stage and share your expertise with you teammates and the community
• Online Training Platform (Free access to Udemy, Harvard ManageMentor, Get abstract, etc.),
• Freedom under responsibility is our common mindset. That’s how we designed our flexible working model called,
• iyzico Homequarters. Our homequarters is in Altunizade,
• Meal & Internet Allowance,
• Transportation Allowance,
• A gift voucher to meet tech needs and ergonomic workspace at home,
• Macbook (and monitor if needed),
• Employee support program: free psychological counseling, legal advice, financial advice etc.
• Private health insurance,
• 1 day birth day leave,
• An iyzicoMate is assigned to help you with anything you may need on your onboarding,
• A detailed orientation program designed for you to fully grasp the iyzico culture.