Principal Engineer - Network (70%) & Voice (30%)

Network Infrastructure & Architecture

Design, implement, and maintain Keyloop's global corporate network infrastructure, ensuring high availability, performance, and security across all office and hub sites.

Own the architecture and ongoing optimisation of corporate SD-WAN deployments, connecting Keyloop’s office locations and enabling secure corporate connectivity.

Administer and evolve Keyloop’s switching, wireless, and security appliance estate across the global corporate office footprint.

Manage and maintain corporate VPN solutions for Keyloop’s ~2,775 users across 29 countries.

Lead the design and implementation of network changes and projects, maintaining full documentation including topology diagrams, IP address management (IPAM), and configuration standards.

Implement and enforce network security controls, working in close partnership with the Information Security team and the organisation’s cloud network security and secure web proxy platform.

Cloud Network Security & Secure Access

Maintain working knowledge of Keyloop’s cloud network security and secure web proxy platform — how internet and private access policies are structured and enforced — sufficient to support troubleshooting and act as an informed partner to the Information Security team.

Stay current with the organisation’s cloud security posture to identify and flag network-layer issues affecting policy effectiveness or user connectivity, escalating to the relevant owner as appropriate.

Apply Zero Trust principles and network segmentation thinking to corporate network design, ensuring access controls, traffic isolation, and least-privilege connectivity are treated as standard practice.

Legacy Voice & Unified Communications Migration

Support the assessment and decommissioning of legacy voice systems across Keyloop’s global estate, contributing technical input to the decommissioning roadmap.

Assist in the technical delivery of migrations from legacy voice platforms to modern unified cloud communications solutions, providing hands-on support and technical expertise as required.

Team Development, People Leadership & Mentoring

Serve as the senior technical point of reference and informal people lead for the Hyderabad Network Engineering team, providing day-to-day guidance, technical mentorship, and career development support.

Own a structured networking skills development programme for the Hyderabad IT Support team — delivering training sessions, shadowing opportunities, and competency assessments covering network fundamentals, fault diagnosis, escalation, and documentation standards.

Contribute to the development of standard operating procedures, runbooks, and training materials for the wider IT team.

Maintain a skills matrix for the IT Support team’s networking capability, tracking progress against competency levels, identifying individuals with potential to move into network engineering roles, and reporting outcomes to the Network Engineering Manager regularly.

Operations & Continuous Improvement

Evolve, develop and monitor network performance across the global estate, responding to incidents and proactively resolving issues before they impact service.

Manage corporate network-related incidents and problems in the ITSM platform, ensuring tickets are accurately categorised, prioritised, and resolved within SLA.

Identify gaps and inefficiencies in network processes and infrastructure, proposing improvements with a pragmatic, cost-conscious approach.

Provide out-of-hours support as required, including on-call coverage for critical network incidents.

Stay current with emerging networking technologies and vendor roadmaps, making recommendations where upgrades or changes would benefit Keyloop.

Vendor Management

Manage relationships with network hardware and equipment vendors — switching, wireless, and SD-WAN providers — ensuring Keyloop receives appropriate support, holds current licensing, and stays informed of relevant roadmap developments.

Oversee third-party contractors engaged for network delivery or project work, defining scope, reviewing output quality, and ensuring delivery to Keyloop’s standards and timelines.

Contribute technical input to procurement and renewal processes for network hardware and services, including vendor selection, RFQs, and contract reviews.