The posting
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Title: Senior Site Reliability Engineer Job Family/Job Family Group: Engineering Job Level: Senior
About the Role
As a Senior Site Reliability Engineer, you'll join a dedicated, 100% remote team working closely with a major global client in the healthcare and life sciences industry. You will play a pivotal role in ensuring the reliability, scalability, and security of public-facing services by implementing SLOs, automating toil, and managing robust observability platforms. We are looking for someone who is highly communicative, proactive, and thrives in an open, tech-centric culture. You must be comfortable taking the initiative, mentoring fellow engineers, and confidently communicating technical solutions in fluent English to both technical peers and client stakeholders.
Responsibilities:
- Implement and maintain SLOs, SLIs, and error budgets for owned services to balance reliability with feature development.
- Build and maintain observability across services using metrics, logs, traces, and alerting to ensure actionable signals tied to user impact.
- Lead capacity planning, load testing, and resilience testing for critical, public-facing services.
- Automate manual processes and toil to improve operational efficiency, minimize human error, and streamline CI/CD pipelines.
- Contribute to the platform's reliability through Terraform and Kubernetes configuration on AWS, strictly adhering to Cloud Platform standards.
- Participate in on-call rotations and incident management, responding with urgency, troubleshooting complex issues, and driving blameless postmortems.
- Mentor and guide other engineers, fostering a culture of operational excellence, knowledge sharing, and continuous learning within the team.
About You
The essentials:
- Strict geographical requirement: You must be currently residing in Costa Rica (role is 100% remote within the country).
- Extensive hands-on experience as a Site Reliability Engineer managing production systems, including implementing SLOs, error budgets, and incident response.
- Working proficiency managing infrastructure with Kubernetes and Terraform on AWS environments.
- Deep experience with observability platforms (such as Datadog) and designing effective, actionable alert systems.
- Strong scripting and programming skills (e.g., Python, Go) for automation and custom tooling.
- Outstanding communication skills and fluent English; you must be proactive, participate actively with your camera on, and comfortably articulate technical solutions without relying on AI-generated scripts.
Not a Must but a Plus:
- Experience using agentic AI tools (e.g., Claude Code, MCP-based integrations) to automate engineering or operational workflows with appropriate guardrails and human oversight.
At Monks, we believe in fostering an environment where a diversity of perspectives can thrive. We proactively work to design hiring processes that promote equity and inclusion while mitigating bias. We celebrate diversity and are committed to building a team that reflects the communities we serve. We welcome and encourage qualified applicants from all backgrounds who are excited to contribute to our mission.
#LI-VD1#LI-Remote
About Monks
Monks is the global, digital-first, data-driven, unitary operating brand of S4Capital plc, where our culture centers on how we show up for the work and for one another. That begins with the commitment to strive for mastery—taking deep pride in our craft and creating work that sets the bar. In everyday execution, we drive momentum by choosing bold action rather than waiting for certainty. Above all, our teams are stronger together, bringing diverse perspectives into a unified team that communicates with clarity, trust, and mutual respect.
This commitment to craft and innovation translates directly into widespread industry acclaim: Monks was named a Contender in The Forrester Wave™: Global Marketing Services and a leader in the 2026 Gartner® Magic Quadrant™ for Global Digital Marketing Agencies. It ranks among Cannes Lions' Top 10 Creative Companies (2022-25) and remains the only partner featured in AdExchanger’s Programmatic Power Players list every year (2020-24). Named Adweek’s first AI Agency of the Year (2023) and The One Show’s inaugural AI Pioneer Organization (2025), Monks was also awarded Business Intelligence Group’s 2026 Excellence in Artificial Intelligence Award in the Human-Machine Interaction Team category. Additionally, Monks.Flow earned AI-based Marketing Solution of the Year at the 2026 AI Breakthrough Awards and a 2026 Global Generative AI Award in the Agentic Marketing Innovation category. Finally, Monks achieved a record-breaking number of FWAs and continues to hold the most of any partner.
We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents—and resonates with—the world around us.
