System Engineer Juniper Routing and Switching - IPsec-GW (m/f/d)

Location: Madrid, MD, es

Company Description

T‑Systems is part of the Deutsche Telekom Group, with around 30.000 employees worldwide. We create technology with purpose to generate a positive impact on society. We are looking for curious talent, eager to learn, take on challenges, and contribute ideas that transform our customers’ experience.

We trust people: we offer autonomy, continuous support, and a collaborative environment where you can grow without limits. We are one global team, guided by respect, integrity, and a passion for doing better every day.

Job Description

At the Telco Hub in Madrid, we are pioneers in merging IT and Telco, building and scaling Telco as a Platform (TaaP) on our proprietary layered cloud. Our teams operate in cross-country and cross-functional squads, delivering cutting-edge services to Europe's most valued Operator.

Our mission is to create the best customer experience based on three core principles:
✅ Cloud-based – Harnessing the latest technologies for scalability and performance.
✅ Automated – Driving efficiency through AI, automation, and DevOps.
✅ Sustainable – Building a future-ready, environmentally conscious infrastructure.

We are looking for top engineering talent eager to grow technically and professionally in an innovative, dynamic, and collaborative environment. If you are passionate about shaping the future of telecommunications, this is your place!

• The MID Squad (consisting of 11 team members) holds the end-to-end responsibility for the mobile internet access incl. DDOS, converged mobile and fixed internet access and the business customer IPSec GW.
• These platforms are part of the critical infrastructure and are central core components of our german network.
• The team is responsible for the entire lifecycle and further development.
• We are looking for three System Engineers to join our team for the MID IPSec platforms.
• The IPSec plattform is realizing the IPSec tunnels for our business customers.
• You will be working closely with our supplier and customers to design, integrate, deploy, monitor, and troubleshoot the IPSec plattform.

Activity description and concrete tasks:

• Implementation and operation of the physical Juniper MX480 system platform.
• Analysis, troubleshooting, and documentation of system malfunctions.
• Identification, documentation, and structuring of new test use cases.
• Adoption of scripts and configuration parameter within in CI/CD chain.
• Rollout management throughout the entire application lifecycle.
• Collaborate with cross-functional teams to enable end-to-end system functionality.
• Management of external suppliers and customers interaction during troubleshooting.

Qualifications

Mandatory skills:

• Expert Know-how in Juniper Router & Switching, & Junos OS preferable with certification in "Enterprise Routing and Switching Professional" (JNCIS-ENT).
• Expert Know-how in IPSec configuration, troubleshooting and debugging, preferable on Junos OS.
• Expert Know-how in routing protocols (and troubleshooting) especially: BGP, MPLS, OSPF, IPv6, QoS incl. analyzing these protocols with Wireshark and Netscout.
• Basic programming skills in scripting and programming languages (for example BASH, Python, JINJA2 etc.) und RESTful APIs).
• Experience in operation of business critical network applications according to ITILv3 , preferable in a telecommunications environment.

Optional skills:

• Very good analytical skills combined with strong quality awareness.
• Experience in classic and agile forms of cooperation.
• Automation and optimization of the operational tools and processes knowledge, especially with tools like Ansible, CICD Gitlab Pipelines, ELK, CheckMK and Grafana.

More information: 

• Being on-call for approx. 15 weeks per year and rarely performing changes outside of regular working hours.

Additional Information

What do we offer you?  

Work environment & flexibility  

• International, dynamic and collaborative environment.
• T-Social: social initiatives (sports, community, health, ...).
• Hybrid work model (remote/on-site).
• Flexible working hours.

Growth & development  

• Customized training: access to Coursera to learn whatever you want, whenever you want.
• Weekly language classes (English & German).
• International Mentoring Sessions & Experience Days.

Compensation & benefits  

• Flexible compensation plan (health insurance, meal vouchers, childcare, transport).
• Telemedicine.
• Life and accident insurance.
• Social fund.

Wellbeing & time off  

• 26+ working days of vacation per year.
• Free access to specialist services (medical, legal, wellness).
• 100% salary coverage during medical leave.

And many more advantages of being part of T-Systems!

If you are looking for a new challenge, do not hesitate to send us your CV! Please send CV in English. Join our team!

T-Systems Iberia will only process the CVs of candidates who meet the requirements specified for each offer.