Jobs / HORIZON TRADING SOLUTIONS

Alternance - Site Reliability Engineer (F/H)

HORIZON TRADING SOLUTIONS · Nantes, B5, France
Nantes, B5, FranceRemote
Remuneration
Rémunération et avantages déterminés conformément à la politique de rémunération et aux dispositions de la convention collective Syntec.
Location
Nantes, B5, France
Visa sponsorship
Not specified

Job summary

Design, deploy, and maintain reliable, high-performance infrastructure for managed financial trading services across on-premises, colocation, and cloud environments. The role includes modernizing services with microservices and Docker or Kubernetes, automating maintenance and monitoring, and strengthening security to standards such as SOC 2. The infrastructure supports electronic trading and market data, with a focus on global availability and low latency.

Benefits

Remote work up to one day per week

Qualifications

  • Availability to work Sunday through Friday.
  • Linux (RHEL) administration and scripting with Bash, Python, GitLab, and Ansible.
  • Python development experience.
  • Experience configuring CI/CD tools such as GitLab CI or Argo CD.
  • Experience deploying and configuring Docker or Kubernetes.
  • Experience with monitoring solutions such as Datadog.
  • Initial experience with a cloud provider, ideally Azure.
  • Knowledge of on-premises and cloud architectures, networking, alerting, and operational procedures.
  • Knowledge of Agile and DevOps methodologies.
  • Additional relevant experience may include Terraform, Cloud-init, Django, Java, Spring, Quarkus, PostgreSQL, Prometheus, InfluxDB, Telegraf, Grafana, trading operations, and SOC 2 audit processes.
  • Written and spoken English is an asset.

Responsibilities

  • Design and deploy scalable infrastructure for managed services, including hosting, exchange connectivity, and market data management.
  • Operate distributed infrastructure across on-premises, colocation, and cloud environments with high-performance and low-latency requirements.
  • Migrate existing services to microservices and container-based architectures.
  • Automate maintenance, implement real-time monitoring, and perform proactive checks, updates, and patches.
  • Strengthen platform security and support compliance with standards such as SOC 2.
  • Follow change-management and access-control procedures.
  • Promote technology standards and best practices in an Agile and DevOps environment.
  • Collaborate with international teams, clients, and partners across time zones.

Skills

AnsibleArgo CDAzureBashDatadogDockerGitLabGitLab CIGrafanaInfluxDBJavaKubernetesLinuxPostgreSQLPrometheusPythonRHELTerraform

Languages

FrenchEnglish

Work schedule

Sunday through Friday

Industry

Financial technologyElectronic financial marketsTrading

Relocation

No