System Engineer Juniper Routing and Switching - IPSec Gateway

About the role

T-Systems Iberia, part of the Deutsche Telekom Group, is hiring three System Engineers for its MID team in Madrid. The team owns the end-to-end lifecycle of the business customer IPSec gateway platform, which provides secure tunnels for business customers and is part of the critical infrastructure of the German network. You will work closely with suppliers and customers to design, integrate, deploy, monitor and troubleshoot the platform.

Key responsibilities

• Implement and operate the physical Juniper MX480 system platform
• Analyze, troubleshoot and document system malfunctions
• Identify, document and structure new test use cases
• Adopt scripts and configuration parameters within the CI/CD chain
• Manage rollouts across the application lifecycle
• Collaborate with cross-functional teams to enable end-to-end system functionality
• Manage interactions with external suppliers and customers during troubleshooting

Required profile

• Expert know-how in Juniper router and switching, preferably with a JNCIS-ENT certification
• Expert know-how in IPSec configuration, troubleshooting and debugging, preferably on Junos OS
• Basic programming skills in scripting languages such as Bash, Python or Jinja2 and RESTful APIs
• Experience operating business-critical network applications according to ITILv3, preferably in a telecom environment
• On-call duty of approximately 15 weeks per year and occasional changes outside regular hours

Required skills

• Routing protocols: BGP, MPLS, OSPF, IPv6 and QoS, including analysis with Wireshark and Netscout
• Optional: automation and optimization tools such as Ansible, GitLab CI/CD pipelines, ELK, CheckMK and Grafana
• Optional: experience in classic and agile cooperation

What we offer

• Hybrid work model and flexible working hours
• Customized training, Coursera access, weekly language classes and international mentoring sessions
• Flexible compensation plan (health insurance, meal vouchers, childcare, transport)
• Life and accident insurance, social fund, telemedicine and specialist services
• 26+ vacation days per year and salary coverage during medical leave