This job is with Colt Technology Services, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.

Why we need this role

The Manager, Infrastructure Engineering, Linux Platforms leads the team responsible for designing, deploying, automating and maintaining the secure Linux-based infrastructure that supports critical telecommunications network services. The platform scope includes DNS, routing control infrastructure, authentication and identity services, network observability, monitoring and related network-management capabilities.

The role combines people leadership, service ownership and technical governance. It is accountable for team capability, technology roadmaps, platform lifecycle, operational performance, security, resilience, automation and managed-service outcomes. The Manager works closely with Network Engineering, Security, Infrastructure, Architecture and Operations to ensure platforms are secure by design, operationally supportable and aligned with network strategy.

The successful candidate will manage a team of approximately four Linux specialists and managed-service resources located in India and the UK, supporting a distributed estate of hundreds of Linux systems that underpin critical telecommunications operations.

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.

What you will do

Leadership and Team Management

- Lead, recruit, mentor and develop Linux engineers and managed-service resources, building sustainable capability and succession.
- Set explicit accountabilities, priorities and objectives and foster a culture of ownership, collaboration, technical excellence and continuous improvement.
- Maintain sufficient technical depth to lead engineering decisions, challenge designs and support major incidents, while developing Senior Engineers as the primary technical authorities for assigned platforms and services.
- Allocate resources across operational, project and lifecycle demand and ensure effective knowledge sharing across UK and India locations.

Service Ownership, Strategy and Governance

- Own the strategy, roadmap and service lifecycle for Linux-based network infrastructure and associated services.
- Set platform standards, reference architectures, operating procedures and governance for technical exceptions.
- Own service performance,



availability, capacity, continuity, recoverability and operational readiness outcomes.
- Manage platform currency, technical debt, upgrades, obsolescence and decommissioning plans.
- Prioritise investment and demand across Network Engineering, Security, Infrastructure, Architecture and Operations.
- Govern managed-service and supplier performance, including service quality, delivery commitments and improvement actions.

Engineering, Resilience and Operational Excellence

- Drive standardisation and automation using Ansible, scripting and infrastructure-as-code principles to reduce manual effort and operational risk.
- Ensure monitoring, logging, security controls, backup and support documentation are included as part of every platform build.
- Define measurable objectives for availability, capacity, recoverability, vulnerability remediation, lifecycle risk and automation coverage.
- Ensure critical services have tested backup, restoration, failover, continuity and disaster-recovery arrangements.
- Lead major-incident response, risk escalation and stakeholder communications when required.
- Ensure effective problem, change, capacity, availability and continuity management across the service portfolio.

Security, Compliance and Risk

- Own the platform security roadmap, control outcomes, risk posture and governance of security exceptions.
- Ensure secure-by-design practices, threat modelling and appropriate segregation of administrative access are applied.
- Oversee vulnerability remediation, privileged access, secrets, keys, certificates, centralised audit logging

📌 Manager, Infrastructure Engineering (India)
🏢 Colt Technology Services
📍 India