Senior DevOps Engineer

Job Description:

Merkle powers the experience economy. For more than 35 years, the company has put people at the heart of its digital business transformation approach. As the world's only integrated experience consultancy with a heritage in data science and business performance, Merkle delivers holistic, end-to-end experiences that drive growth, engagement, and loyalty. With more than 16,000 employees, Merkle operates in 30+ countries throughout the Americas, EMEA, and APAC. 

In Bulgaria, we manage a global client portfolio, providing a single source of expertise, technology, and operational support. We have a proven track record for delivering, managing, and innovating multi-channel commerce platforms for major international brands and retailers, including adidas, Clarins, ASDA, Shiseido, and more. Our world-class team has delivered sites for over 35 brands, including more than 400 transactional e-commerce sites across 60 locations on 6 continents. Our scope is expanding with the introduction of new data engineering practices, paid search and social advertising, and SEO. We look forward to what's next. 

We're hiring a Senior DevOps Engineer at Merkle in Sofia. 

About the Role

We are looking for a Senior Cloud DevOps Engineer to own and evolve our AWS infrastructure. You will drive automation, reliability, and delivery efficiency across a high-scale, security-conscious stack. This is a hands-on role with real ownership.

Responsibilities

• Own and evolve AWS infrastructure at scale, including networking, security, cost optimisation, and reliability

• Design and maintain CI/CD pipelines and IaC practices that accelerate delivery and reduce operational risk

• Build and operate end-to-end observability: log ingestion, dashboards, alerting, and APM

• Manage Kubernetes workloads on EKS, including cluster operations and deployment strategies

• Enforce secrets management, IAM policies, and security controls across the environment

• Lead incident response and drive systemic reliability improvements

• Set technical standards and act as a senior stakeholder in architectural decisions

• Document infrastructure, runbooks, and processes to production-ready standards

Required Qualifications

• 5+ years’ hands-on experience with large-scale AWS production environments

• Deep proficiency with Kubernetes and EKS

• Strong IaC skills with Terraform; Helm proficiency for Kubernetes package management

• Proven CI/CD experience with Jenkins and GitHub

• Hands-on experience with the Elastic Stack and log ingestion pipelines at scale

• Experience with New Relic for APM and infrastructure monitoring

• Proficiency in Python and Bash; additional languages a plus

• Solid grasp of AWS security services: GuardDuty, Security Hub, WAF, Shield, KMS, IAM

• Experience with HashiCorp Vault for secrets management

• Strong networking fundamentals in cloud-native environments

• Fluent English; strong written and verbal communication

• Degree in Computer Science, IT, or equivalent experience

Nice to Have

• SonarQube, BlazeMeter, Artifactory experience

• AWS certifications

What do we offer:

• We are strong advocates of work-life balance, so we provide all our staff with 25 days of paid leave and 3 fixed days of well-being annually.

• A hybrid work model for our teams so they can work from the office or the comfort of their home.

• Free parking spaces for all our employees working from the office.

• Complimentary drinks and snacks in the office to keep energy levels up.

• Parent-friendly culture and potential for additional days off to create new memories with your loved ones.

• Life Insurance, Health and dental insurance plans or, if selected, gift vouchers instead.

• Sports card, partially covered by the company and food vouchers.

• 2 days off for volunteering and numerous charity initiatives throughout the year.

• Opportunity to attend training, conferences and get certification sponsored by the company upon availability and business need.

About dentsu:

Taking a people-centred approach to business transformation, we use insights to connect brand, content, commerce and experience, underpinned by modern creativity. As part of Dentsu Group Inc., we are headquartered in Tokyo, Japan, and our 65,000-employee base of dedicated professionals works across four regions (Japan, Americas, EMEA and APAC). Dentsu combines Japanese innovation with a diverse, global perspective to drive client growth and to shape society. 

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