Senior SRE Engineer

Architus specialises in connecting leading UK and US businesses with top EU engineering talent, helping them build high-performing technology teams and establish a presence overseas. With offices in London, Vilnius and Kaunas, Architus has a strong track record and an impressive list of clients, including Invesco, Tide, Capital Group, Schroders, BNP Paribas, and HSBC.

The Opportunity

Architus is partnering with a leading UK energy company to help build a significant presence in Lithuania. With a reputation for innovation, the company is tackling some of the world’s most pressing challenges by creating better energy systems for the planet and everyone on it.

This is an exciting time to join the company as it continues to expand, offering numerous opportunities for professional development. You will be part of a passionate team dedicated to making a tangible difference in the world through cutting-edge technology, driven by a dynamic and entrepreneurial spirit.

About the Role

Site Reliability Engineering is at the heart of the company's customer-focused technology transformation, building and maintaining scalable, efficient, and reliable platforms for the company's applications and services. The goal of Site Reliability Engineering is to enhance the reliability, performance, and cost-efficiency of the systems, enabling teams to confidently deliver robust services in GCP. This focus on smart and efficient usage of cloud services also contributes to reducing CO2 usage, supporting the energy company's sustainability goals.

What You’ll Be Doing

• Design, maintain and automate monitoring, alerting and observability solutions using tools such as Datadog, Prometheus and Grafana.
• Define and monitor SLIs/SLOs, improve incident response processes, and support on-call operations.
• Lead or support the resolution of production incidents, conduct blameless post-mortems, and drive continuous reliability improvements.
• Optimise cloud infrastructure costs while maintaining performance, scalability and reliability.
• Support capacity planning, performance tuning and resilience initiatives through monitoring and load testing insights.
• Collaborate with engineering, QA, security and product teams to embed Site Reliability Engineering best practices.
• Contribute to system design reviews with a focus on reliability, scalability and operational excellence.
• Share knowledge, mentor colleagues and actively contribute to the Site Reliability Engineering Community of Practice.

What We Are Looking for

• Professional software engineering experience with Python, TypeScript, Go, Java or similar, applying best practices such as CI/CD, testing and code reviews.
• Hands-on experience with public cloud platforms (AWS, GCP or Azure) and a solid understanding of cloud-native infrastructure, networking, storage and distributed systems.
• Strong experience with Infrastructure as Code tools such as Terraform, Pulumi or Crossplane.
• Data-driven approach to engineering, using metrics, logs, SLIs/SLOs and error budgets to improve system reliability.
• Strong troubleshooting and debugging skills across Linux, networking and distributed systems.
• Passion for mentoring others and promoting Site Reliability Engineering best practices.
• Experience with capacity planning, performance tuning and cloud cost optimisation, with an automation-first mindset.
  
  

What You’ll Get in Return

• Salary: Starting from €7000 gross/month, depending on your experience (full-time only).
• Career Growth: Accelerate your professional journey by working with cutting-edge technologies in a truly global environment.
• Holidays: Enjoy extra vacation days to recharge and unwind.
• Flexibility: Benefit from hybrid working options for a healthy work-life balance.
• Workplace: A modern, pet-friendly office equipped with parking and plenty of snacks to keep you fueled and productive.
• Work Abroad: Enjoy the flexibility to work remotely from another EU country for up to 30 days per year.
• High-Spec Hardware: Brand-new, high-performance equipment provided to support your work from day one.
• Team Environment: A dynamic, collaborative, and friendly working atmosphere.
• Perks: Enjoy additional health insurance, plan for the future with 3rd-pillar pension benefits, and perform at your best with high-spec hardware.
  
  

Ready to Join Us?

If you’re excited about this opportunity and believe you’re the right fit, we’d love to hear from you!

Apply now and let’s create something amazing together. We look forward to meeting the next Architus star!