• Working within a team of engineers across London and nationwide, with responsibility for team operations and leadership in the absence of senior management.• Collaborating with Provisioning and Projects teams to implement new services, including commissioning, installation, and testing of Optical SDH, DWDM, and Ethernet services (100M to 400G circuits, STM1 to STM16) across platforms such as Alcatel/Nokia/Infinera and Ciena.• Overseeing network maintenance, fault resolution, and service delivery in coordination with the Network Operations Centre, ensuring SLA compliance and exceptional service levels both during and outside business hours.• Partnering with stakeholders to design, install, and integrate new network infrastructure, ensuring seamless implementation and alignment with business goals.• Managing field engineering resources, allocating tasks, and ensure on-time delivery through effective prioritisation.• Mentoring and training new engineers on equipment operation and testing, ensuring technical competence and adherence to quality standards.• Providing expert technical support to internal teams and customers, fostering strong relationships to drive customer satisfaction and service excellence.• Ensuring compliance with health and safety regulations on-site, maintaining a safe working environment and minimizing risks during installation and testing.