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Site Reliability Engineer Senior
Company name: Seargin Sp. z o. o.
Company size: 500+ people
Hybrid (Bydgoszcz) or Remote, Poland
Job Specification

Website Seargin_ Seargin Sp. z o. o.


Seargin is looking for a Site Reliability Engineer Senior

  • Position: Site Reliability Engineer Senior
  • Technologies: SaaS, CI/CD, Linux
  • Location: Hybrid (Bydgoszcz) or Remote
  • Country: Poland
  • Area: Project
  • Form of employment: Permanent
  • Experience level: Senior

The main tasks for the Site Reliability Engineer Senior will be:
  • Providing 4th-level support for tickets in the restoration of healthy implementations within the established SLAs. Controlling, troubleshooting, and fixing the problems
  • Resolving the issues raised by engaging the right R&D teams in close collaboration with product 4LS teams
  • Acting as the primary team responsible for all field escalations for assets, taking care of incidents or alerts and following solutions through to resolution
  • Delivering committed SLAs through a “follow-the-sun-model” in providing global coverage across multiple sites
  • Guaranteeing collaboration and bridging the gap between operations and development teams to deliver software faster
  • Collaborating with R&D teams on enhancements and improvements
  • Closely working with product teams in bringing new services to life as part of NPI – New Product Introduction programs
  • Using automation tools to resolve operations problems by developing scalable and reliable software systems in order to better workflow, increase efficiency and reliability of software systems
  • Working with R&D teams in the establishment of fully automated CI/CD Pipelines for CSF assets delivery
  • Following SRE policies for SaaS and AnyCloud Services (AWS, GCP, Azure, OpenShift, Tanzu, Cloud, etc.) such as:
    • Guaranteeing high level of fault-tolerance, reliability, up-time appropriate to users’ needs matching customer commitments at a fast rate of improvement
    • Continuously monitoring systems capacity and performance on optimizing existing systems, creating infrastructure and eliminating work through automation and continuous improvement process
    • Being responsible for defining, active monitoring of Service Level Indicators (SLI) for software components and services in multi-cloud systems
    • Measuring and tuning performance/stability of services in order to define acceptable Service Level Objectives (SLO)

The Candidate should have:
  • University degree in Engineering, Telecommunication, Computer Science, Software Technology or equivalent experience
  • At least 6 years of operations, support, SRE, DevOps or related experience and/or at least 3 years of background in Research and Development of complicated systems especially related but not limited to reliability (development, testing, support, DevOps, integration, …)
  • Superb debugging and root cause isolation skills including system & component level logs analysis
  • Familiarity with fault management
  • Proven track record with extensive experience on cloud native assets deployment, support and operations for on-premises, edge and SaaS
  • Deep understanding of software engineering techniques with a concentration on agile practices, automation, DevOps
  • Knowledge of at least 2 of the following Cloud / Virtualization technologies: AWS, , Google Cloud, Docker, Kubernetes, Azure, OpenShift, OpenStack, Helm, VMware vSphere/Tanzu
  • Knowledge of:
    • DevOps technologies: Jenkins, Azure DevOps, Git, Gerrit, Terraform, Ansible
    • PaaS Level solutions: Keycloak for IAM, Grafana, ELK, Prometheus, DBaaS
    • Linux/Unix OS (command line)
  • Coding abilities (Bash, Ansible, Python, GO, …)
  • Capability to deal with and resolve critical customer issues/escalations, including on-call job rotations
  • Experience in working across global teams
  • Team-oriented, detail-oriented, efficient, and solution-oriented attitude
  • Superb analytical and problem-solving skills
  • Excellent communication and interpersonal skills
  • Flexibility and ability to work independently and in a team
  • Great English skills (written and spoken)

It would be a plus if the Candidate had: 
  • Certified Kubernetes Application Developer (CKAD)
  • Professional background in a customer-oriented environment
  • Basic knowledge of virtualization environment: Containers KVM, Linux Kernel, Optimization & Tuning
  • Broad knowledge of cloud storage solutions on top of AWS, GCP, Azure and/or on-perm private cloud, such as Ceph, CephFS, GlusterFS
  • Familiarity with tools like: Jenkins, Robot Framework, Cucumber, Harbor, Artifactory
  • Autonomous working style

The Candidate can expect:
  • Permanent Contract
  • Flexible and hybrid working mode
  • Opportunity to continue learning
  • Possibility to take part in well-being programs to support employees mentally and physically
  • Opportunities to take part in and get supported by employee resource groups, mentoring programs
  • Opportunity to be a member of one of our diverse teams with an inclusive culture where people thrive and are empowered
  • Challenging job in an international and multilingual environment
  • Professional development
  • Attractive and competitive compensation

If you meet the requirements described above, please send your application in English (.doc) at, stating the name of the position in a subject and/or call +(48) 696 808 357.


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    Company size: 500+
    Main location:Poland
    Seargin Sp. z o. o.
    Hybrid (Bydgoszcz) or Remote, Poland
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