Network Infrastructure Engineer in Liverpool

L&T Technology Services Limited (LTTS) is a global leader in Engineering and R&D (ER&D) services. With 719 patents filed for 57 of the Global Top 100 ER&D spenders, LTTS lives and breathes engineering. Our innovations speak for themselves – World’s 1st Autonomous Welding Robot, Solar ‘Connectivity’ Drone, and the Smartest Campus in the World, to name a few.

LTTS’ expertise in engineering design, product development, smart manufacturing, and digitalization touches every area of human lives - from the moment one wakes up till the time one goes to bed. With 69 Innovation and R&D design centres globally, we specialize in disruptive technology spaces such as 5G, Artificial Intelligence, Collaborative Robots, Digital Factory, and Autonomous Transport.

We are looking for someone with key skills and able to perform the following roles & responsibilities:

• Build and maintain automation racks for communication devices and Entertainment CPEs.
• Validate infrastructure setups (continuous) using automation tools.
• Support remote user access to resources.
• Design and implement CI pipelines, services, monitoring, and data dashboards.
• Scale up, implement optimisations, and improve processes.
• Troubleshoot and resolve user reported infrastructure/I.T. issues.
• Design, support and oversee new major physical installations.
• Allocation and patching of copper/fibre lines to user endpoints.
• Come up with solutions for new technology implementations/ requests from user base.
• Develop/use collaboration tools and processes to gather, track and document infrastructure requests.

Required skills and experience:

• Ability to design full rack layouts and testbed architectures based on user and project requirements.
• Proficient with Draw.io, Lucidchart, Visio, and similar diagramming tools for producing high-quality architecture diagrams.
• Strong knowledge of OLT and ONT platforms and their operational behavior.
• Familiarity with Nokia ISAM or equivalent access network systems.
• Understanding of GPON/EPON concepts, provisioning, and service profiles.
• Experienced with vCenter, ESXi, VM provisioning, snapshot management, networking, and resource allocation.
• Strong understanding of Layer 2 and Layer 3 networking, including: VLAN creation, trunking, tagging, Inter-VLAN routing, ARP, DHCP, DNS fundamentals.
• Ability to configure and troubleshoot firewalls, NAT, ACLs, and basic security policies.
• Solid understanding of routing concepts, including static routing, OSPF/BGP fundamentals, and OSI model.

Advantageous:

• Hands-on experience performing fiber patching (single-mode/multi-mode) to ODFs, OLTs, ONTs, ISAMs, servers, and switches.
• Competent in copper patching (Cat5/6/6A) to user endpoints, patch panels, and network equipment.
• Basic working knowledge of AWS and Google Cloud Platform (GCP): - EC2, S3, VPC basics, Identity and access management, Virtual networking fundamentals.
• Comfortable with packet capture analysis (Wireshark / tcpdump).
• Knowledge of backup mechanisms, retention strategies, and disaster recovery principles.
• Experience using and maintaining GL Communications Harmony platform, VQuad and CDROuter environments.
• CLI/scripting experience (Such as Bash, Python etc).
• ITIL accreditation or equivalent.
• CDCTP accreditation or equivalent.

Please apply with your CV, we are really looking forward to hear from you and have you #EngineeringTheChange together.