Lead Site Reliability Engineer - PSRE

About the Role and the Team

We are looking for an intelligent, resourceful, and highly skilled Senior Site Reliability Engineer (SRE) to join our Platform Site Reliability Engineering (PSRE) team . This team plays a critical role in ensuring the stability, reliability, and availability of mission-critical production applications on the Arcesium platform.

PSRE team

1. Observability, monitoring, logging, and tracing to proactively detect and prevent issues.

1. Building tools and infrastructure that enhance system stability and resilience.

1. Troubleshooting live production issues with a deep focus on rapid incident resolution.

1. Governing, declaring, managing, and recovering from platform-wide incidents to minimize downtime and business impact .

As an SRE in this high-impact team , you will work under tight timelines in a high-pressure environment , where every second counts in resolving critical production incidents. This means you must be quick-thinking, highly analytical, and proactive in preventing and resolving disruptions.

• Lead reliability engineering projects and drive it to closure.


• Write code and perform code reviews for best practices and code quality.


• Contribute to the design/architecture of the system.


• Automate processes and find opportunities to improve observability and availability of the Platform and reduce toil.


• Supervise a team of SREs, ensuring production applications are stable, reliable, and well documented.


• Own end to end availability and performance of mission critical services.


• Analyze and debug complex issues across tiers from frontend to mid-tier to infrastructure.


• Practice sustainable incident response and blameless postmortems.

• 5 to 8 years of experience handling systems for large scale production environments.


• A self-starter, able to build, drive and advocate for SRE solution.


• Effective cross-functional collaboration skills to develop tools for secured, scalable, and reliable systems.


• Solid understanding of SRE concepts like SLAs, SLOs, SLIs, error budgets, MTTR, MTTD, etc.


• Experience with variety of tools that help manage, understand, and debug large, complex distributed systems.


• Good programming experience (Python/Go).


• Hands-on experience with Kubernetes and Docker.


• Working knowledge in any one of the cloud platforms (AWS, Azure, GCP)


• Experience with monitoring and logging tools (e.g. Datadog, ELK, Prometheus, Grafana).


• Good knowledge of Unix system, networking, web technologies, and databases.


• Expert with troubleshooting issues and bugs.


• Incident Management experience coupled with effective communication skills.


• Experience in financial domain (desirable).


• Prior SRE/DevOps experience desirable.

At Arcesium, we offer:

• Flexible work arrangements (hybrid model) and a casual dress code


• Opportunity to work on challenging projects in a dynamic, global environment


• Continuous learning and development opportunities


• Collaborative and innovative work culture


• Competitive compensation and benefits package


• Modern and comfortable office located at Avenida da Liberdade (Lisbon)

Join our team and play a crucial role in shaping Arcesiums future!