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 liv

📌 Senior Core Network Engineer (España)
🏢 Future Connections
📍 España