Join us in Advancing the Environmental Global Impact within the Rail Industry

For nearly 40 years, ZTR has designed, developed and released products that have a positive environmental impact within the Locomotive Industry. Planning for an environmentally sustainable future means taking action today in preparation for tomorrow. As the DevOps Engineer, you will work closely with development, security, and IT teams to operate, maintain, and continuously improve ZTR's cloud platform infrastructure, ensuring reliable, secure, scalable, and cost-effective services across production and development environments. You will monitor platform health and capacity, perform routine maintenance and lifecycle activities, respond to incidents, troubleshoot production issues, and support service continuity. You will also strengthen operational practices through automation, Infrastructure as Code, CI/CD, security controls, documentation, knowledge sharing, and continuous improvement.

Operate, maintain, and continuously improve ZTR's Amazon Web Services (AWS) production and development platform infrastructure

Monitor platform health, capacity, availability, and performance; respond to alerts and address emerging risks before they affect users

Participate in a 24/7 on-call rotation, lead incident response, restore services, and complete post-incident reviews with clear corrective actions

Perform routine maintenance, patching, upgrades, backup verification, recovery testing, certificate renewals, and infrastructure lifecycle management

Troubleshoot infrastructure, networking, deployment, database, and production service issues in collaboration with development and IT teams

Manage cloud networking, identity and access management, security groups, secrets, and infrastructure security controls

Administer and improve CI/CD pipelines for repeatable software builds, testing, releases, rollbacks,



and deployments

Automate recurring operational tasks and reduce manual effort, configuration drift, and deployment risk

Support capacity planning, cost optimization, performance tuning, and service continuity planning for platform infrastructure

Apply cybersecurity, compliance, and operational best practices across all environments, including controls aligned with ISO 27001

Create, maintain, and regularly review infrastructure documentation, operational procedures, recovery plans, and knowledgebase content

Share DevOps and site reliability practices with development and IT teams and contribute to practical, well-defined platform standards

3+ years of experience in platform operations, DevOps, site reliability engineering or a related role

- Bachelor’s degree in Computer Science, Engineering, or a related field, or
- Hands-on experience operating and supporting production cloud environments in AWS, Azure, or GCP
- Strong knowledge of Linux systems, networking fundamentals, identity and access management, and cloud security controls
- Experience with monitoring, logging, and alerting tools such as AWS CloudWatch, Prometheus, Grafana, Kibana, or equivalent platforms
- Experience with system maintenance activities such as patching, upgrades, backups, recovery testing, certificate management, and capacity planningExperience with CI/CD tools such as Jenkins or GitLab CI and with safe deployment and rollback practices
- Proficiency in scripting and automation using Python, Bash,



or similar languages
- Experience supporting backend services and database technologies such as Java, PostgreSQL, and NoSQL platforms
- Familiarity with cybersecurity practices and tooling, including vulnerability management, SAST/DAST, monitoring, and proactive risk mitigation
- Ability and willingness to participate in a scheduled 24/7 on-call support rotation

The annual base salary is determined through comprehensive market research and considers factors including qualifications, skills, education, relevant experience, work location, internal equity, and alignment with local and industry market data. ZTR offers a positive working environment and a group of friendly and talented industry leaders passionate about driving environmental and financial perks for our clients. We encourage and support employees to find long-term success and explore opportunities that play into their strengths and passions. we believe all roles should develop your skills, broaden your experience, and help you continue on a journey to build a rewarding career at ZTR.

We are looking for flexible, compassionate and enthusiastic individuals who thrive in a fast-paced working environment, and who are looking for long-term, meaningful employment in a career that makes a real difference.

This is a place where employees make a difference in our company and within our customers’ organizations. ZTR Control Systems provides accommodations for applicants with disabilities throughout the recruitment process. At ZTR, we're proud to share that we do not use AI tools when screening and evaluating candidates throughout our recruitment processes. Please be advised that due to a large volume of applications, we will only contact candidates that we decide to proceed with via email or phone.

#

📌 DevOps / SRE Engineer - Cybersécurité F/H (London)
🏢 Devopsroles
📍 London