Anywhere within Spain, Spain | Posted on 31/07/2026
We're looking for a Senior Core NetworkEngineer with strong Configuration Management expertise to take on a technicalleadership role in one of the most ambitious Core Network programmes in Europe,working directly with one of the continent's leading telecommunicationsoperators.
This is a hands-on leadership positionwithin a small, high-impact team. You'll set the technical direction, defendyour decisions in front of demanding stakeholders, and lead a squad that countson you to have their back. If you enjoy environments where your judgementcarries weight and your decisions actually ship, this role is built for you.
What you'll do

Own the technical design of Configuration Management capabilitieswithin a complex, multi-vendor Core Network environment, ensuring scalabilityand resilience.
Lead a delivery squad: you set direction and review design, whileyour team handles day-to-day platform coding.
Make and defend technical decisions in front of the customer's CoreEngineering team.




Drive the translation of operator change practices — change windows,CMDB updates, rollback expectations — into automated, auditable gates.
Own vendor and data-model engagement across Ericsson, Huawei andother in-scope vendors, including YANG modules and NETCONF exports.
Be the technical escalation point for the account, from vendorengagement to lab access and integration with the customer's change-managementsystems.

Requirements

Solid experience running a Configuration Management tooling stackfor mobile Core — Cisco NSO, HPE Service Director, Ericsson ENM or anequivalent home-grown platform: golden configurations, drift detection,templating.
A real track record managing configuration change on live Core:change windows, governance, rollback strategy, post-change KPI validation, andthe discipline that 24x7 environments demand.
Working fluency with NETCONF and YANG — you've personally runget-config and edit-config against live nodes and know ho

📌 Senior Core Network Engineer (España)
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📍 España