Senior Site Reliability Engineer (SRE)
Added: 09.11.2026
Multiple locations
Region: Europe
Your responsibilities:
- Architect and drive the reliability, scalability, and performance of a multi-cloud provisioning platform across production environments.
- Design and implement end-to-end automation pipelines to eliminate manual intervention and reduce technical toil.
- Define, monitor, and improve critical system health indicators (SLIs/SLOs), including latency, throughput, error rates, and capacity usage.
- Collaborate with product and cross-functional engineering teams to embed reliability and security considerations into the software development lifecycle (SDLC).
- Lead incident response management, including detection, triage, Root Cause Analysis (RCA), and implementation of long-term preventative solutions.
- Identify platform bottlenecks, eliminate single points of failure, and reduce system complexity.
- Provide technical guidance and mentor engineering teams on reliability and architectural best practices.
We are looking for you, if you have:
- 10+ years of hands-on experience in Software Engineering, DevOps, or Systems Infrastructure.
- 3+ years of advanced AWS experience, including cloud architecture and troubleshooting.
- 3+ years of production-level Kubernetes experience, including cluster management, scaling, and provisioning.
- Hands-on experience managing Kafka clusters, including partition management, broker scaling, replication, and monitoring consumer lag.
- Solid knowledge of MongoDB administration, including replica sets, sharded clusters, backup, and recovery strategies.
- Experience provisioning and tuning ClickHouse for analytical workloads, including columnar storage, distributed tables, and replication.
- Proven ability to work autonomously, make architectural decisions, and deliver production-ready, automated infrastructure.
- Strong technical communication and collaboration skills, including the ability to align with Technical Leads and cross-functional engineering teams.
- A proactive, problem-solving mindset focused on system reliability, continuous improvement, and reducing platform complexity.
- Resilience and adaptability when handling critical production incidents.
We offer:
- Participation in interesting and demanding projects.
- Flexible working hours.
- A great, non-corporate atmosphere.
- Possibility to work remote or hybrid (2 days per week from the office).
- Opportunities for development and promotion.
- Attractive package of benefits.
We reserve the right to contact the selected candidates.
Why is it worth joining TTMS?
Flexible working hours
Not everyone feels comfortable working the standard 9 a.m. to 5 p.m. hours. We have been successfully running projects for many years despite diversified work patterns.
Possibility of hybrid work
At TTMS, desk-to-desk work is what drives us, but we understand if someone prefers a hybrid model. We are equipped with all the necessary tools to work in a hybrid model.
Great, non-corporate atmosphere
Professionalism, attention to the quality of work and a friendly, informal atmosphere are not mutually exclusive. A flat structure and natural, friendly relationships create the basis for creativity and innovation.
Interesting, international projects
We create solutions for medium and large companies, we are present in Poland, Malaysia, Denmark, the UK, Switzerland, and India – the effects of your work will travel around the world. In TTMS you have an influence on the company’s success.
Together towards climate neutrality
We select subcontractors to minimize the carbon footprint, organize bush plantings, save peat bogs – all to achieve climate neutrality in 2025. We are glad that we are attracting more and more people who also care about sustainable development and environmental protection.
Friendly offices
Our offices are modern spaces that inspire employees and are environmentally friendly. Białystok is the kingdom of Marvel superheroes, Krakow is a soothing tropical forest, Wrocław is an art gallery, and the Lublin branch is a rock u0022hall of fameu0022.
Would you like to work for us?
Sending CV
Include information about technical skills, knowledge of programming languages and IT tools, and possibly experience in projects.
Phone Screening
The interview is aimed at assessing the candidate’s suitability for the position and verifying basic information from the CV. It is also an opportunity to discuss the candidate’s expectations and briefly present the job description and working conditions.
HR + technical meeting
We talk about the candidate’s professional experience, but also expectations regarding the new job. This is also the moment to check references and confirm the authenticity of the information provided, which allows you to get to know the candidate better and assess his fit with the company’s organizational culture.
Client company meeting
The candidate is introduced to the client. This stage aims to match the future employee to a specific project, taking into account both their technical skills and design preferences, which maximizes the chances of successful cooperation.
Employment
We sign an agreement that includes the terms of cooperation, scope of duties, remuneration and other key aspects of employment, such as the rights and obligations of both parties. From now on, the candidate becomes an official employee of the company.
Onboarding + first day of work
A comprehensive process of familiarizing a new employee with the organization, team and tools, aimed at making it easier for him to join work as quickly and effectively as possible. In TTMS, we use an internal e-Learning platform to conduct modern onboarding.
Our offices
Warsaw
The heart of our company and our command center
The Management Board of the company and management of individual business areas function here. On a daily basis, it is here that the most important, strategic and business decisions are made, as well as pro-ecological iniciatives. The Warsaw branch – located in Varso Tower – aims to be the first to create a fully eco-friendly office using renewable Energy and environmentally friendly materials, which is confirmed by the BREEM certificate.