Senior Network Engineer (Global Backbone Capacity & Planning)
This role focuses on capacity planning for AT&T’s global backbone and edge devices, ensuring resources meet current and future customer needs. The engineer generates detailed reports, collaborates cross‑functionally, and automates repetitive tasks to simplify processes.
Location: Portsmouth, England, United Kingdom. Hybrid work: 1‑3 days per week in the Portsmouth office during onboarding.
Compensation: £71,900 – £89,900 gross per year (salary may vary by experience).
What you’ll do
* Plan and capacity manage the AT&T Global Core Network to ensure optimal performance and scalability.
* Introduce technology upgrades, working with labs partners and delivery organizations on implementation plans.
* Review and upgrade network topology and connectivity, collaborating with Subsea and Carrier teams.
* Expand and optimize current network points of presence (PoPs).
* Analyze business requirements and capacity trends to proactively address network demands.
* Collaborate with internal and external teams to align strategies and support organizational objectives.
* Work in a global, multicultural team and steward capital and expense budgets for efficient resource allocation.
* Cover working time: EMEA with flexibility.
What you’ll need
* Hands‑on experience managing network design/capacity planning within large service‑provider networks.
* Solid understanding of layer‑2 and layer‑3 networking, including routers and switches (Cisco IOS, JunOS).
* Broad knowledge of network routing protocols and ability to translate engineering guidelines into effective PoP designs.
* Proficiency with MS Office, coding, and hands‑on experience in automation tools and processes.
* Strong presentation skills to communicate technical concepts and recommendations.
* Positive attitude and a proactive, can‑do approach to problem‑solving and teamwork.
What you’ll bring
* 5+ years of experience in a large, telco/enterprise/service‑provider environment.
* CCIE certification or equivalent experience.
* Excellent data analysis skills.
* Preferred bachelor’s degree in Computer Engineering, Computer Science, Applied Science, Electrical Engineering, or Math (or equivalent experience).
Benefits
* Annual bonus – target 11 % of salary (discretionary).
* Annual salary increase (company‑wide review).
* BUPA medical insurance.
* Annual health screening.
* Pension contribution.
* Long‑term disability plan.
Seniority level: Mid‑Senior level. Employment type: Full‑time. Job function: Information Technology. Industries: IT Services and IT Consulting and Telecommunications.
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