Network Engineer

NTT DATA; City of Westminster; On-site; GBP 45,000 - 60,000; Full time

Job summary

A global technology firm in the UK is seeking a Network Operations Specialist focused on managing incidents, performing technical analysis, and ensuring compliance with standards in network infrastructure. The ideal candidate has extensive experience with LAN and WAN networks, troubleshooting technical problems, and maintaining networking hardware. This role offers a range of benefits and opportunities for growth within a collaborative environment that prioritizes diversity and inclusion.

Benefits

Flexible work options

Continuous development opportunities

Health and financial wellbeing support

Qualifications

• Experience in managing incidents and problems within agreed service levels.
• Strong understanding of communication protocols, mainly TCP/IP.
• Knowledge of configuring and maintaining network hardware including routers and switches.

Responsibilities

• Manage incidents and problems appropriately.
• Perform root cause analysis on incidents.
• Participate in design and implementation of infrastructure platforms.

Skills

Incident management

Technical root cause analysis

Proactive environment management

WAN management

Networking hardware maintenance

Layer 2/3 technologies

Troubleshooting multi-disciplinary problems

Knowledge of Python or Perl

Tools

Solarwinds

Cisco IOS

FortiGate Firewall

Job description

This role is expected to provide BAU operational support across a wide range of customer network infrastructure, including health checks and reporting in parallel with managing incidents, problems, requests and changes in line with ITIL best practice and ensuring that SLA's are maintained. What you'll be doing :

• Managing incidents and problems appropriately within agreed service levels.
• Perform technical root cause analysis on reoccurring incidents or major incidents.
• Assist engagement with projects to ensure designs of technical solutions are in line with the requirements of the customer.
• Ensure that customer environments adhere to established standards and frameworks, meeting any compliance requirements at all times.
• Ensure technical documentation is completed and updated to professional standards.
• Proactive management of customer environments, identifying potential improvements to deliver increased stability, availability and performance.
• Input into the development of infrastructure roadmaps, customer proposals, impact assessments and statements of work for the delivery of further solutions.
• Contribute to delivering technical excellence across the wider Network team.
• Delivery of project-related tasks such as the installation and configuration of new equipment.
• To input into the design and implementation of new infrastructure platforms, including the creation of associated documentation (HLD / LLD, support documentation etc.)
  An excellent understanding and practical knowledge of multiple technical subject areas, supported by current multi-vendor certifications at an associate / professional level.
• In-depth experience deploying and managing functional networks (LAN, WLAN, WAN, VPN)
• In-depth experience of configuring, installing and maintenance of networking hardware - routers, switches, firewalls and other network devices
• In-depth understanding of communication protocols (mainly TCP / IP)
• In-depth experience of the following Layer 2, Layer 3 technologies : BGP, OSPF, EIGRP, VRF, DNS, DHCP, NAT, Spanning-Tree
• In-depth experience in management of Advanced Threat Protection features like Antivirus, IPS, Antispyware, Vulnerability protection, URL filtering, and file blocking in addition to firewall rules
• A working knowledge of the following network platforms - Cisco ISE, Cisco Firepower, Cisco ASA, Cisco Routers, Cisco Switches, Cisco Wireless Controller, HPE Aruba Switches, FortiGate Firewall, Palo Alto Firewall, Checkpoint Firewall.
• Experience with network diagnostic, monitoring and analysis tools (e.g. Solarwinds, ManageEngine, DNAC)
• Hands-on experience with copper and fibre cabling
• Solid understanding of network operating systems (Cisco IOS, Cisco IOS-XE, Cisco NX-OS, Aruba OS, FortiOS, etc)
• Ability to troubleshoot complex, technical, multi-site and multi-disciplinary problems and incidents.
• Experience working in a team-oriented, collaborative environment including virtual / remote working.
• Experience of working within the ITIL framework.
• Ability to mentor team members on technical issues
• A working knowledge of coding languages for scripting / automation (e.g. Python, Perl) would be beneficial
• Experience within a multi-client or solution provider would be beneficial
  We're a business with a global reach that empowers local teams, and we undertake hugely exciting work that is genuinely changing the world. Our advanced portfolio of consulting, applications, business process, cloud, and infrastructure services will allow you to achieve great things by working with brilliant colleagues, and clients, on exciting projects. Our inclusive work environment prioritises mutual respect, accountability, and continuous learning for all our people. This approach fosters collaboration, well‑being, growth, and agility, leading to a more diverse, innovative, and competitive organisation. We are also proud to share that we have a range of Inclusion Networks such as : the Women's Business Network, Cultural and Ethnicity Network, LGBTQ+ & Allies Network, Neurodiversity Network and the Parent Network. For more information on Diversity, Equity and Inclusion please click here : Creating Inclusion Together at NTT DATA UK | NTT DATA what we’ll offer you : We offer a range of tailored benefits that support your physical, emotional, and financial wellbeing. Our Learning and Development team ensure that there are continuous growth and development opportunities for our people. We also offer the opportunity to have flexible work options.