📍 Job Overview

Job Title: Site Reliability Engineer
Company: Experian
Location: Sofia, Sofia-Grad, Bulgaria
Job Type: Full-time
Category: DevOps
Date Posted: 2025-06-24
Experience Level: 0-2 years
Remote Status: Hybrid

🚀 Role Summary

Key web technology aspect 1: Ensure high availability and reliability of Experian's cloud SaaS offerings using Site Reliability Engineering principles.
Key web technology aspect 2: Collaborate with development teams to improve services and implement sustainable solutions.
Key web technology aspect 3: Monitor system health, troubleshoot issues, and coordinate incident response.
Key web technology aspect 4: Maintain strong relationships with regional and global SRE teams, as well as other stakeholders.

📝 Enhancement Note: This role requires a strong focus on collaboration, communication, and problem-solving, with a significant emphasis on cloud technologies and infrastructure as code.

💻 Primary Responsibilities

Web technology responsibility 1: Spot problems, areas for improvement, and performance bottlenecks in Experian's cloud SaaS offerings.
Web technology responsibility 2: Partner with development teams to improve services through rigorous testing and release procedures.
Web technology responsibility 3: Monitor availability and system health, making monitoring and alerting notify on symptoms, not outages.
Web technology responsibility 4: Efficiently triage issues, identify root causes, and replace manual steps with sustainable solutions.
Web technology responsibility 5: Lead and support coordinated incident response to restore service availability.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Engineering, or a related field. Relevant work experience may be considered in lieu of a degree.

Experience: 1+ years of experience as a Site Reliability Engineer or in a similar role.

Required Skills:

Excellent written and verbal English communication skills
Working across boundaries - geographically, teams, language, and cultural
Quickly adapts to new tools, frameworks, and methodologies through hands-on experimentation and learning
Cloud awareness - understands how cloud technologies differ from other technical approaches and can explain these to others
Proficiency in Kubernetes, Infrastructure as Code, and High Availability principles
Direct experience supporting complex, highly scaled systems in production
Linux knowledge, troubleshooting, and predicting issues in advance
Networking, troubleshooting, and monitoring skills
Cloud Native application designs for scalability and resilience
Incident Management and coordination, Blameless PIRs
Proficiency in Kubernetes, EKS, Splunk, Dynatrace, Thousand Eyes, ServiceNow, Jira, Jenkins, and Python
Familiarity with Java, Cassandra, Redis, Apigee, Okta, Postgres, AWS, Azure, and GCP
Infrastructure as Code and Git Ops experience

Preferred Skills:

Experience with additional cloud platforms (e.g., Google Cloud Platform, IBM Cloud)
Familiarity with containerization and orchestration tools (e.g., Docker, Helm)
Knowledge of CI/CD pipelines and DevOps practices
Experience with scripting languages (e.g., Bash, PowerShell)

📝 Enhancement Note: While not explicitly stated, having experience with CI/CD pipelines, scripting languages, and additional cloud platforms would be beneficial for this role, as they are common in modern Site Reliability Engineering practices.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

Demonstrate experience with cloud technologies, Kubernetes, and infrastructure as code through relevant projects or case studies.
Showcase problem-solving skills and incident management experience through real-world examples.
Highlight collaboration and communication skills through team projects or cross-functional initiatives.

Technical Documentation:

Provide documentation or code samples showcasing your ability to write complex queries using various tools.
Demonstrate your understanding of edge cases, failure modes, behaviors, and specific implementations through technical documentation.
Showcase your incident management and coordination skills through post-incident reports (PIRs) or lessons learned documents.

📝 Enhancement Note: While not explicitly stated, providing examples of your technical documentation and problem-solving skills will help demonstrate your fit for this role.

💵 Compensation & Benefits

Salary Range: The salary range for this role in Sofia, Bulgaria, is estimated to be between BGN 35,000 and BGN 50,000 per year (approximately EUR 17,500 to EUR 25,000), based on market research and regional adjustments for a Site Reliability Engineer with 1-2 years of experience.

Benefits:

Personal Development: Career pathway for professional growth, learning and development programs, and unlimited access to online educational training courses, learning materials, and books.
Work environment: Excellent work conditions, friendly environment, strong team spirit, and quality recreation time.
Social benefit package: Life insurance, food vouchers, additional health insurance, monthly flex allowance, internet coverage, corporate discounts, marriage and childbirth/adoption allowance, Multisport card, Sharesave plan, Employee assistance program, birthday gift, and other benefits.
Work-life balance: 25 days paid vacation, 1 additional day off for your birthday, and extra 3 paid days for participation in Social responsibility events. Opportunity for flexible working hours and home office.

Working Hours: Full-time position with standard working hours (Monday-Friday, 9:00 AM - 5:30 PM EET) and on-call duty during daytime on weekends once a month or less.

📝 Enhancement Note: The provided salary range is an estimate based on market research and regional adjustments. Actual salary may vary depending on the candidate's qualifications and experience.

🎯 Team & Company Context

🏢 Company Culture

Industry: Experian operates in the global data and technology sector, powering opportunities for people and businesses worldwide. They help redefine lending practices, uncover and prevent fraud, simplify healthcare, deliver digital marketing solutions, and gain deeper insights into the automotive market.

Company Size: Experian is a large, global organization with over 23,300 employees across 32 countries. This role is part of the global Site Reliability Engineering team, which consists of multiple regional teams working together to maintain the availability and reliability of Experian's cloud SaaS offerings.

Founded: Experian was founded in 1960 and has since grown into a FTSE 100 Index company listed on the London Stock Exchange (EXPN). Their corporate headquarters are in Dublin, Ireland.

Team Structure:

The Site Reliability Engineering team is part of the Global Technology function, working closely with development teams, architects, and other stakeholders to ensure the reliability and performance of Experian's cloud SaaS offerings.
The team consists of multiple regional teams, each with its own manager, working together to maintain the availability and reliability of Experian's platforms.
The role reports directly to the Site Reliability Engineering Manager.

Development Methodology:

Experian follows Agile methodologies, with a focus on continuous integration, continuous delivery, and continuous improvement.
The company uses various tools and frameworks, such as Kubernetes, Jenkins, Splunk, Dynatrace, Thousand Eyes, ServiceNow, Jira, and Git, to support its development and operations processes.
Experian emphasizes collaboration, communication, and cross-functional teamwork to deliver high-quality solutions.

Company Website: https://www.experian.com/

📝 Enhancement Note: Experian's global presence and large team size provide ample opportunities for collaboration, knowledge sharing, and career growth within the Site Reliability Engineering function.

📈 Career & Growth Analysis

Web Technology Career Level: This role is suitable for a junior or mid-level Site Reliability Engineer with 1-3 years of experience in cloud technologies, Kubernetes, and infrastructure as code. The role offers opportunities for career progression within the Site Reliability Engineering function and the broader Global Technology organization.

Reporting Structure: The Site Reliability Engineer reports directly to the Site Reliability Engineering Manager and works closely with regional and global SRE teams, as well as other stakeholders, such as development teams, architects, and security teams.

Technical Impact: The Site Reliability Engineer plays a crucial role in maintaining the availability and reliability of Experian's cloud SaaS offerings. This role has a significant impact on the user experience, as any downtime or performance issues can directly affect customers and users.

Growth Opportunities:

Growth opportunity 1: With experience, the Site Reliability Engineer may progress to a Senior Site Reliability Engineer role, focusing on more complex systems and mentoring junior team members.
Growth opportunity 2: Experian offers various learning and development programs, allowing the Site Reliability Engineer to expand their skills and knowledge in cloud technologies, infrastructure as code, and related fields.
Growth opportunity 3: As Experian continues to grow and evolve, there may be opportunities for the Site Reliability Engineer to move into other technical roles within the Global Technology organization, such as a Technical Specialist or Architect.

📝 Enhancement Note: Experian's large team size and global presence provide ample opportunities for career growth and development within the Site Reliability Engineering function and the broader Global Technology organization.

🌐 Work Environment

Office Type: Experian's Sofia office is a modern, collaborative workspace designed to foster innovation and teamwork. The office features open-plan workspaces, meeting rooms, and breakout areas for employees to relax and recharge.

Office Location(s): Experian's Sofia office is located at Boulevard "Tsarigradsko shose" 86, 1113 Sofia, Bulgaria. The office is easily accessible by public transportation and offers on-site parking for employees.

Workspace Context:

Workspace aspect 1: The open-plan workspaces encourage collaboration and communication among team members, fostering a culture of knowledge sharing and continuous learning.
Workspace aspect 2: Each workstation is equipped with multiple monitors, testing devices, and other tools necessary for effective work in a Site Reliability Engineering role.
Workspace aspect 3: The office layout facilitates cross-functional interaction between Site Reliability Engineers, development teams, and other stakeholders, promoting a cohesive and integrated team environment.

Work Schedule: The standard work schedule is Monday-Friday, 9:00 AM - 5:30 PM EET, with the opportunity for flexible working hours and home office arrangements. On-call duty during daytime on weekends is required once a month or less.

📝 Enhancement Note: Experian's modern, collaborative workspace and flexible work arrangements contribute to a positive and productive work environment for Site Reliability Engineers.

📄 Application & Technical Interview Process

Interview Process:

Process step 1: Online assessment or phone screen to evaluate communication skills, problem-solving abilities, and technical knowledge in Site Reliability Engineering.
Process step 2: Technical deep dive, focusing on cloud technologies, Kubernetes, infrastructure as code, and incident management. This may include hands-on exercises, case studies, or coding challenges.
Process step 3: Cultural fit assessment, evaluating the candidate's alignment with Experian's values and team dynamics. This may include a panel interview or a discussion with the Site Reliability Engineering Manager and other team members.
Process step 4: Final evaluation, focusing on the candidate's overall fit for the role, technical skills, and cultural alignment. This may include a discussion with the hiring manager or other senior stakeholders.

Portfolio Review Tips:

Portfolio tip 1: Highlight your experience with cloud technologies, Kubernetes, and infrastructure as code through relevant projects or case studies.
Portfolio tip 2: Showcase your problem-solving skills and incident management experience through real-world examples, focusing on the challenges you faced, the solutions you implemented, and the outcomes you achieved.
Portfolio tip 3: Demonstrate your technical documentation skills by providing examples of your ability to write complex queries using various tools and your understanding of edge cases, failure modes, behaviors, and specific implementations.
Portfolio tip 4: Emphasize your collaboration and communication skills by providing examples of your ability to work effectively with diverse teams, stakeholders, and other SREs.

Technical Challenge Preparation:

Challenge preparation 1: Familiarize yourself with Experian's cloud SaaS offerings, their architecture, and the technologies they use. Brush up on your knowledge of Kubernetes, infrastructure as code, and incident management best practices.
Challenge preparation 2: Practice solving complex problems and optimizing systems in a cloud environment. Focus on your ability to identify performance bottlenecks, troubleshoot issues, and implement sustainable solutions.
Challenge preparation 3: Develop your communication and presentation skills, focusing on your ability to articulate technical concepts clearly and concisely to both technical and non-technical stakeholders.

ATS Keywords: (Organized by category)

Programming Languages: Python, Java, Bash, PowerShell
Web Frameworks: Kubernetes, EKS, Jenkins
Server Technologies: Linux, AWS, Azure, GCP
Databases: Cassandra, Redis, Postgres
Tools: Splunk, Dynatrace, Thousand Eyes, ServiceNow, Jira, Git
Methodologies: Infrastructure as Code, Git Ops, Agile, Scrum
Soft Skills: Communication, Collaboration, Problem-solving, Incident Management
Industry Terms: Site Reliability Engineering, Cloud Technologies, Kubernetes, Infrastructure as Code, High Availability, Incident Management, Blameless PIRs

📝 Enhancement Note: Experian's interview process focuses on evaluating the candidate's technical skills, problem-solving abilities, and cultural fit. By preparing thoroughly and showcasing your relevant experience, you can increase your chances of success in the interview process.

🛠 Technology Stack & Web Infrastructure

Frontend Technologies: (Not applicable for this role)

Backend & Server Technologies:

Backend technology 1: Experian's cloud SaaS offerings are built using various backend technologies, such as Java, Python, and other programming languages. The Site Reliability Engineer is responsible for ensuring the availability and reliability of these applications.
Server technology 2: Experian uses Linux as its primary server operating system. The Site Reliability Engineer is expected to have a strong understanding of Linux, including troubleshooting, networking, and system administration.
Infrastructure tool 3: Experian uses various infrastructure tools, such as Kubernetes, Infrastructure as Code, and Git Ops, to manage and maintain its cloud SaaS offerings. The Site Reliability Engineer is expected to have a strong understanding of these tools and their underlying principles.

Development & DevOps Tools:

Development tool 1: Experian uses Git for version control and collaborative development. The Site Reliability Engineer is expected to have a strong understanding of Git and its best practices.
DevOps tool 2: Experian uses Kubernetes for container orchestration and Jenkins for continuous integration and continuous delivery. The Site Reliability Engineer is expected to have a strong understanding of these tools and their underlying principles.
Monitoring tool 3: Experian uses Splunk, Dynatrace, and Thousand Eyes for monitoring, alerting, and incident management. The Site Reliability Engineer is expected to have a strong understanding of these tools and their best practices.

📝 Enhancement Note: Experian's technology stack is designed to support the availability, reliability, and scalability of its cloud SaaS offerings. The Site Reliability Engineer is expected to have a strong understanding of these technologies and their underlying principles.

👥 Team Culture & Values

Web Development Values:

Web development value 1: Experian emphasizes the importance of user experience and customer satisfaction in its cloud SaaS offerings. The Site Reliability Engineer is responsible for ensuring the availability and reliability of these applications, directly impacting the user experience.
Web development value 2: Experian values performance optimization and accessibility in its cloud SaaS offerings. The Site Reliability Engineer is responsible for identifying performance bottlenecks, troubleshooting issues, and implementing sustainable solutions to improve the performance and accessibility of these applications.
Web development value 3: Experian emphasizes code quality and collaborative development practices in its cloud SaaS offerings. The Site Reliability Engineer is expected to contribute to the maintenance and improvement of the codebase, following best practices and standards.
Web development value 4: Experian encourages innovation and continuous learning in its cloud SaaS offerings. The Site Reliability Engineer is expected to stay up-to-date with the latest technologies, best practices, and industry trends, contributing to the ongoing improvement of the applications.

Collaboration Style:

Collaboration approach 1: Experian fosters a culture of cross-functional integration between Site Reliability Engineers, development teams, architects, and other stakeholders. This encourages knowledge sharing, continuous learning, and collective problem-solving.
Collaboration approach 2: Experian emphasizes code review culture and peer programming practices, ensuring that all team members contribute to the maintenance and improvement of the codebase.
Collaboration approach 3: Experian encourages knowledge sharing, technical mentoring, and continuous learning, fostering a culture of growth and development within the Site Reliability Engineering function and the broader Global Technology organization.

📝 Enhancement Note: Experian's web development values and collaboration style contribute to a positive and productive work environment for Site Reliability Engineers, fostering a culture of knowledge sharing, continuous learning, and collective problem-solving.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Web development challenge 1: Experian's cloud SaaS offerings are complex, highly scaled systems that require a deep understanding of cloud technologies, Kubernetes, and infrastructure as code. The Site Reliability Engineer must be able to identify performance bottlenecks, troubleshoot issues, and implement sustainable solutions in this challenging environment.
Web development challenge 2: Experian's cloud SaaS offerings are subject to high traffic and user demand, requiring the Site Reliability Engineer to ensure the availability and reliability of the applications under varying loads and conditions.
Web development challenge 3: Experian's cloud SaaS offerings are subject to continuous change and evolution, requiring the Site Reliability Engineer to adapt to new technologies, tools, and best practices as they emerge.
Web development challenge 4: Experian's global presence and large team size require the Site Reliability Engineer to work effectively with diverse teams, stakeholders, and other SREs, fostering a culture of collaboration and collective problem-solving.

Learning & Development Opportunities:

Learning opportunity 1: Experian offers various learning and development programs, allowing the Site Reliability Engineer to expand their skills and knowledge in cloud technologies, infrastructure as code, and related fields.
Learning opportunity 2: Experian encourages conference attendance, certification, and community involvement, providing the Site Reliability Engineer with opportunities to network with industry peers, learn from experts, and stay up-to-date with the latest technologies and best practices.
Learning opportunity 3: Experian fosters a culture of technical mentoring and leadership development, providing the Site Reliability Engineer with opportunities to grow their skills, take on more complex challenges, and contribute to the technical direction of the organization.

📝 Enhancement Note: Experian's technical challenges and learning opportunities provide ample opportunities for Site Reliability Engineers to grow their skills, take on more complex challenges, and contribute to the technical direction of the organization.

💡 Interview Preparation

Technical Questions:

Technical question 1: Describe your experience with cloud technologies, Kubernetes, and infrastructure as code. Provide examples of how you have used these technologies to maintain the availability and reliability of complex, highly scaled systems.
Technical question 2: Walk us through a complex incident you've managed in the past. Describe the steps you took to identify the root cause, implement a sustainable solution, and prevent similar issues in the future.
Technical question 3: Explain your approach to monitoring and alerting in a cloud environment. Describe the tools you've used and how you've ensured that alerts notify on symptoms, not outages.

Company & Culture Questions:

Technical question 4: How do you stay up-to-date with the latest technologies, best practices, and industry trends in Site Reliability Engineering?
Technical question 5: Describe your experience working with diverse teams, stakeholders, and other SREs. How have you fostered a culture of collaboration and collective problem-solving in your previous roles?
Technical question 6: How do you approach performance optimization and accessibility in a cloud environment? Provide examples of how you've improved the performance and accessibility of complex, highly scaled systems in the past.

Portfolio Presentation Strategy:

Presentation strategy 1: Highlight your experience with cloud technologies, Kubernetes, and infrastructure as code through relevant projects or case studies. Focus on the challenges you faced, the solutions you implemented, and the outcomes you achieved.
Presentation strategy 2: Showcase your problem-solving skills and incident management experience through real-world examples. Focus on the challenges you faced, the steps you took to identify the root cause, and the sustainable solutions you implemented.
Presentation strategy 3: Demonstrate your technical documentation skills by providing examples of your ability to write complex queries using various tools and your understanding of edge cases, failure modes, behaviors, and specific implementations.

📌 Application Steps

To apply for this Site Reliability Engineer position at Experian:

Concrete preparation step 1: Tailor your resume and portfolio to highlight your experience with cloud technologies, Kubernetes, and infrastructure as code. Emphasize your problem-solving skills, incident management experience, and technical documentation skills.
Concrete preparation step 2: Research Experian's cloud SaaS offerings, their architecture, and the technologies they use. Familiarize yourself with Experian's interview process and prepare for technical deep dives, case studies, and coding challenges.
Concrete preparation step 3: Practice presenting your portfolio and technical documentation skills, focusing on your ability to articulate technical concepts clearly and concisely to both technical and non-technical stakeholders.
Concrete preparation step 4: Research Experian's company culture, values, and team dynamics. Prepare thoughtful questions to ask during the interview process, demonstrating your interest in the role and the organization.

📝 Enhancement Note: By following these concrete preparation steps, you can increase your chances of success in the application process and demonstrate your fit for the Site Reliability Engineer role at Experian.

Site Reliability Engineer