Site Reliability Engineer II

PROS

. Administer, support, troubleshoot, and problem-solve complex systems and services .

Posted 10/5/2026full-timeSofia • BulgariaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in system administration, automation, and cloud environment optimization, with a strong focus on performance monitoring, incident response, and security best practices. Proficient in scripting and automation tools to enhance operational efficiency and reliability.

Highest-signal resume keywords

Advanced ScriptingCloud Environment OptimizationMonitoring and Alerting with Prometheus and GrafanaRESTful API Design and DevelopmentSystem Administration Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Operating SystemsNetworkingDatabase ManagementRubyGoJavaAutomation for DeploymentInfrastructure ManagementAPI Testing ToolsIT Security Best Practices

Soft Skills

Excellent CommunicationTime ManagementOrganizational SkillsCrisis ManagementProblem-Solving Skills

Tools & Technologies

PrometheusGrafanaPostmanAutomation ScriptsSelf-Service Tools

Certifications & Qualifications

Applicable IT Certifications

Industry Keywords

Cloud ServicesOpen-Source TechnologySystem EngineeringScripting LanguagesMultiple Cloud Provider Environments

Tech Stack

Tools & technologies

CloudGrafanaJavaPrometheusRubyGo

About the role

Key responsibilities & impact

Administer, support, troubleshoot, and problem-solve complex systems and services
Monitor service performance, reliability metrics, and infrastructure stability
Analyze system performance and identify improvement opportunities
Participate in disaster recovery testing and implement reliability enhancements
Define and maintain SLOs, visualizations, and alerts
Collaborate with product and development teams to resolve performance bottlenecks and reliability concerns
Implement and maintain automated deployments and self-service tools
Create and troubleshoot automation scripts for operational tasks
Use automation to improve system scalability and efficiency
Participate in follow-the-sun on-call rotations and respond to incidents
Troubleshoot production incidents, identify root causes, and create post-incident reports
Maintain documentation, user stories, and operational processes
Share knowledge through team sessions and contribute to continuous improvement
Implement security-auditing and vulnerability-mitigation automation
Collaborate with security teams to improve cloud security posture
Perform detailed post-incident analysis and documentation

Requirements

What you’ll need

Working knowledge of operating systems, networking, and database management
Advanced scripting and automation for deployment, scaling, and maintenance tasks
Proficiency in at least one high-level programming language: Ruby, Go, or Java
Knowledge of infrastructure and configuration management via automation
Advanced skills creating monitoring and alerting rules with Prometheus and Grafana
Ability to implement and optimize cloud environments
Knowledge of RESTful API design and development
Familiarity with API testing tools such as Postman
University degree in computer science or related field
Knowledge of IT security best practices and procedures
Excellent command of English
Applicable IT certifications preferred
System administrator experience preferred
Previous cloud services experience preferred, including open-source technology, software development, system engineering, scripting languages, and multiple cloud provider environments
Ability to work in a team and independently
Willingness to innovate, learn, and share knowledge
Excellent communication, time management, organizational, crisis management, and problem-solving skills

Benefits

Comp & perks

Flexible ways of working
Continuous learning
Opportunities to grow, innovate, and develop professionally