Senior Network Engineer - Implementation Engineering - Global Backbone.

AT&T

Portsmouth

Hybrid

GBP 71,900 - 107,900

Full time

14 days+

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Benefits offered by this job

Annual Bonus – target award 11%

BUPA medical insurance

Annual health screening

Leading company pension contribution

Long‑term disability plan

Job summary

A leading telecommunications company seeks a Senior Network Design Engineer in Portsmouth, UK, to manage implementation for global IP MPLS networks. The role involves creating detailed designs, collaborating with cross-functional teams, and ensuring network capacity. Candidates should have over 5 years of experience, a relevant degree, and skills in Cisco/Juniper systems. Benefits include bonuses, medical insurance, and a strong pension contribution, with a salary between £71,900 and £107,900 annually.

Qualifications

5+ years’ experience in large telco/enterprise/service provider environment.
In‑depth knowledge of IP, MPLS, LAN and WAN technologies.
Professional level Cisco or Juniper certification, or equivalent experience.

Responsibilities

Manage implementation activities for global IP MPLS backbone and edge devices.
Translate detailed requirements into low-level designs and deployment plans.
Collaborate with cross‑functional teams and ensure optimal network capacity.

Skills

Network design and implementation

Layer 2 and layer 3 networks

Network routing protocols

Automation tools and processes

Strong presentation skills

Collaborative attitude

Education

Bachelor of Science in Computer Engineering, Computer Science, Applied Science, Electrical Engineering, or Math

Tools

Cisco IOS XR

JunOS

MS Office applications

Job description

Position Overview

Join AT&T and help shape the future of communications and technology that connect the world. We value innovators who seek to explore the unknown and challenge the status quo. Bring your bold ideas and fearless spirit to redefine connectivity and transform how people share stories and experiences. At AT&T, you won’t just imagine the future—you’ll build it.

As an experienced and proactive Senior Network Design Engineer you will manage implementation activities for our global IP MPLS backbone and edge devices, ensuring all resources meet current and future customer needs in alignment with engineering guidelines. You will generate detailed designs and collaborate with cross‑functional teams to manage implementation projects, maintain optimal network capacity, and drive process simplification through automation.

What you’ll do

Receive detailed requirements for technology, topology, and capacity upgrades.
Translate requirements into low‑level designs and deployment plans.
Order, receive, and implement equipment and connectivity.
Manage customs, brokerage, and financials.
Prepare hand‑off material for execution by operations.
Work with internal and external organizations, including telecoms, equipment and installation vendors, Network Operations, Field Services, Service Delivery, Planning and Capacity Management.
Collaborate within a global, multicultural team spread across 24 time zones.
Take ownership of project deliverables, including capital and expense budgets.
Cover working time: EMEA with flexibility.

What you’ll need

Hands‑on experience with network design and implementation within large service provider networks.
Solid understanding of layer 2 and layer 3 networks, including routers and switches (Cisco IOS XR JunOS).
Ability to broadly understand network routing protocols and translate engineering guidelines and high‑level designs into effective low‑level designs and project plans.
Proficiency with MS Office applications, coding, and hands‑on experience with automation tools and processes.
Strong presentation skills to effectively communicate technical concepts and recommendations.
Collaborative attitude and a proactive, can‑do approach to problem‑solving.

What you’ll bring

Around 5+ years’ experience in a large telco/enterprise/service provider environment.
In‑depth knowledge of IP, MPLS, LAN and WAN technologies in a service provider environment.
Professional level Cisco or Juniper certification, or equivalent experience.
Preferred Bachelor of Science degree in Computer Engineering, Computer Science, Applied Science, Electrical Engineering, or Math; or equivalent experience.

Benefits

Annual Bonus – target award 11 % (discretionary bonus awarded on company targets).
Annual salary increase.
BUPA medical insurance.
Annual health screening.
Leading company pension contribution.
Long‑term disability plan.

Salary

71,900 – 107,900 GBP gross / annual. Individual starting salary may depend on experience, expertise, and education/training.

Location

Hybrid. Expected to work from the Portsmouth (U.K.) office at least once per week.

Seniority Level