Senior DevOps Engineer (вакансія неактивна)

We are seeking a senior DevOps Engineer to support our card processing infrastructure that handles high-volume payment transactions across multiple markets.

This role offers deep exposure to production-grade payment rails architecture and the operational challenges of maintaining 99.99% uptime for critical financial infrastructure.

Responsibilities:

• Maintain and enhance AWS infrastructure supporting daily card processing
• Implement infrastructure as code using Terraform with proper state management and CI/CD integration
• Manage HashiCorp Vault clusters for secrets management across environments (Development/Staging/Production)
• Operate Nomad clusters for container orchestration with proper resource allocation and scheduling
• Ensure cross-AZ resilience and disaster recovery capabilities
• Implement and maintain PCI DSS Level 1 compliance across all environments
• Manage network segmentation, encryption at rest/in transit, and access controls
• Support security audits and vulnerability assessments
• Maintain audit trails and compliance reporting automation
• Design and implement zero-downtime deployment strategies for payment processing services
• Build and maintain comprehensive monitoring and alerting for transaction processing pipelines
• Participate in incident response and post-mortem processes
• Optimize system performance and capacity planning for transaction volume growth
• Maintain GitLab CI/CD pipelines with comprehensive testing stages
• Implement automated security scanning and compliance checks
• Support Development Teams with environment provisioning and troubleshooting
• Manage artifact repositories and perform dependency management

Requirements:

• 5+ years of DevOps/SRE experience with production systems at scale
• Strong proficiency in AWS services (EC2, RDS, ELB, VPC, IAM, KMS, CloudWatch)
• Production experience with HashiCorp stack (Terraform, Vault, Consul, Nomad)
• Understanding of Java ecosystem for application deployment and troubleshooting
• Skills in Linux systems administration and containerization (Docker, container registries)
• Knowledge of Infrastructure as Code practices with version control and testing
• Experience with monitoring and observability tools implementation and maintenance
• English level — Upper-Intermediate or higher

Will be a plus:

• PCI DSS implementation experience and compliance knowledge
• ISO 8583 messaging understanding and transaction flow knowledge
• Experience in financial services or payment processing industry
• Kafka administration and message streaming architecture experience
• Expertise in database administration (PostgreSQL, Redis) in high-availability configurations
• Network security and firewall management skills
• Incident management and on-call experience

We offer:

• Remote-first work model with flexible working hours (we provide all equipment)
• Comfortable and fully equipped offices in Lviv and Rzeszów
• Competitive compensation with regular performance reviews
• 18 paid vacation days per year + all state holidays
• 12 days of paid sick leave per year without a medical certificate + extra paid leave for blood donation
• Medical insurance with an affordable family coverage option
• Mental health program which includes free and confidential consultations with a psychologist
• English, German, and Polish language courses
• Corporate subscription to learning platforms, regular meetups and webinars
• Friendly team that values accountability, innovation, teamwork, and customer satisfaction
• Inclusive environment where everyone feels valued and treated equally. We proudly partner with VeteranHub to support Ukrainian veterans
• We are committed to supporting Ukraine and actively participate in charity initiatives