Site Reliability Engineer

Summary

Join Leadtech as a Site Reliability Engineer and play a key role in designing, maintaining, and optimizing our cloud infrastructure. You will work with various AWS services, automate processes, ensure platform reliability and security, and support high-performance systems. Collaborate with cross-functional teams to build scalable and secure environments. This position requires strong DevOps fundamentals, hands-on cloud experience, and problem-solving skills. Leadtech prioritizes growth with flexible career paths, personalized training, and an annual budget for external learning. Enjoy a flexible schedule, remote work options, and a comprehensive benefits package including competitive salary, private health insurance, 25 vacation days, and unique perks.

Requirements

• Experience: 3–4+ years of hands-on experience as an SRE, DevOps Engineer, or Systems Administrator in cloud environments
• Cloud Platforms: Strong hands-on experience with AWS and core services (Lambda, EC2, ECS, S3, API Gateway, CloudFront, WAF, OpenSearch)
• IaC: Proficient in Terraform
• CI/CD: Expertise in Jenkins for creating and maintaining pipelines
• Scripting: Solid experience with Shell and Groovy scripting; Python or PowerShell is a plus
• OS: Advanced administration skills in UNIX/Linux/BSD systems
• Networking: Solid understanding of TCP/IP, VPCs, DNS (Route 53), Security Groups, and Route Tables
• Databases: Experience with PostgreSQL, MySQL/MariaDB, and DynamoDB
• Security: Familiarity with SSL/TLS, IAM roles, and KMS
• Tools: Experience with SonarQube and Dependency Track (Nexus is a plus)
• Languages: Professional proficiency in English and Spanish

Responsibilities

• Design and manage AWS infrastructure using Terraform and Infrastructure as Code (IaC) principles
• Develop and maintain CI/CD pipelines with Jenkins for deployment automation
• Build packaging pipelines using tools like Maven or npm (desirable)
• Automate workflows using Shell and Groovy (required), with Python or PowerShell (desirable)
• Manage and troubleshoot UNIX/Linux or BSD systems in production environments
• Ensure robust cloud security using best practices (SSL/TLS, KMS, IAM, WAF)
• Monitor, optimize, and troubleshoot infrastructure and application issues
• Maintain and scale AWS services including Lambda, CloudFront, EC2, ECS, API Gateway, S3, and OpenSearch
• Manage network configurations including TCP/IP, Route Tables, VPCs, Route 53, and Security Groups
• Administer databases such as PostgreSQL, MySQL/MariaDB, DynamoDB, and optionally Firestore
• Support Docker-based environments and manage container orchestration with AWS ECS (Kubernetes is a plus)
• Operate and support tools like SonarQube, Nexus, and Dependency Track

Preferred Qualifications

• Experience with Kubernetes (K8s)
• Familiarity with packaging tools like Maven or npm
• Broader programming knowledge beyond scripting
• Experience with Firestore and additional cloud platforms
• Background in high-traffic web environments
• Experience with additional monitoring tools (e.g., CloudWatch, Grafana)
• Ability to work independently and proactively
• Strong analytical and problem-solving skills
• Excellent communication and documentation skills
• A mindset focused on continuous improvement and automation

Benefits

• Growth and career development
• At Leadtech, we prioritize your growth. Enjoy a flexible career path with personalized internal training and an annual budget for external learning opportunities
• Work-Life balance
• Benefit from a flexible schedule with flextime (7 - 9:30 a.m. start, 3:30 - 6 p.m. end) and the option of working full remote or from our Barcelona office. Enjoy free Friday afternoons with a 7-hour workday, plus a 35-hour workweek in July and August so you can savor summer!
• Comprehensive benefits
• Competitive salary, full-time permanent contract, and top-tier private health insurance (including dental and psychological services)
• 25 days of vacation plus your birthday off, with flexible vacation options—no blackout days!
• Unique Perks
• If you wish to come, in our office in Barcelona you’ll find it complete with free coffee, fresh fruit, snacks, a game room, and a rooftop terrace with stunning Mediterranean views
• Additional benefits include ticket restaurant and nursery vouchers, paid directly from your gross salary