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.

📌 Infrastructure Architect (India)
🏢 SISL Global
📍 India