Colt provides network, voice and data centre services to thousands of businesses around the world, allowing them to focus on delivering their business goals instead of the underlying infrastructure.
Why we need this role
The Infrastructure Engineer designs, builds, automates, tests and operates secure Linux-based infrastructure supporting critical telecommunications network services. Working from agreed architectural and engineering standards, the role deploys and maintains platforms supporting DNS, routing, identity, authentication, monitoring, observability and network-management capabilities. The Engineer is responsible for reliable implementation, infrastructure automation, lifecycle maintenance, monitoring, incident resolution and continuous improvement. The role works across Network Engineering, Security, Infrastructure, Architecture and Operations and progressively develops ownership of defined platforms and services. The role supports a distributed estate of hundreds of Linux systems across critical network, security, operational and business services.
- Platforms and Services
- The team designs, deploys, automates and maintains Linux infrastructure supporting:
- Authoritative, recursive and caching DNS services.
- Route reflectors and other routing control-plane services.
- Authentication, authorisation and accounting services.
- Identity management, directory and privileged-access integrations.
- Network observability, telemetry, logging and monitoring platforms.
- Network-management and automation services.
- Virtualised and, where appropriate, containerised infrastructure.
- Supporting services such as NTP, PKI, certificate management, secure repositories and configuration services.
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What you will do
- Platform Engineering and Delivery
- Build, configure, test and maintain Linux platforms using distributions such as RHEL and Ubuntu.
- Implement infrastructure from approved architecture, high-level designs, low-level designs and engineering standards.
- Execute platform deployments, upgrades, migrations, patching and decommissioning activities.
- Maintain accurate configuration, asset, dependency and lifecycle records.
- Participate in design reviews and identify practical improvements to platform standards and implementation approaches.
- Network-Critical Services
- Deploy and maintain DNS platforms and support resolution, delegation, availability and security troubleshooting.
- Build and maintain Linux hosts supporting route reflectors and other routing control-plane services under approved network designs.
- Deploy and support authentication, authorisation, accounting, identity and directory services, including Red Hat and Oracle LDAP environments.
- Implement and maintain network observability, telemetry, logging, monitoring and network-management platforms.
