Infrastructure Architect

Job Description

They should be capable of:

• Building end-to-end infrastructure designs, including LAN, WAN, SD-WAN, Cloud, Security, Routing, Data & Traffic Flows
• Own design decisions
• Producing HLDs and LLDs independently.
• Working directly with engineering teams during implementation.
• Resolving network, identity, security and cloud-related issues.
• Supporting architecture governance reviews.
• Leading cutover and hypercare activities.
• Acting as the single accountable infrastructure owner for the programme.

Architecture & Design

• Produce solution designs in accordance with Client architecture standards and governance processes.
• Create and maintain:
• High-Level Designs (HLDs)
• Low-Level Designs (LLDs)
• Infrastructure Design Documents
• Network Design Documents
• Security Design Artefacts
• Operational Readiness Documentation
• Ensure all solutions align with:
• Haleon Enterprise Architecture Principles
• Security Standards
• Infrastructure Standards
• Operational Support Requirements
• Disaster Recovery Requirements
• Present designs at architecture review and governance forums.

Implementation Leadership

• Work with engineering teams to convert approved designs into implemented solutions and implement where necessary.
• Support infrastructure build activities.
• Validate technical implementation against approved designs.
• Resolve implementation issues and design deviations.
• Coordinate technical dependencies across multiple delivery teams.
• Review implementation evidence and sign off completed infrastructure components.

Go-Live, Cutover and Hypercare

• Define infrastructure readiness criteria.
• Review implementation completeness before go-live.
• Support UAT and production cutover activities.
• Lead technical triage of infrastructure issues.
• Coordinate war-room activities during critical deployment windows.
• Support post go-live hypercare and service transition.