L2 Network Engineer (m/f/d)

Stellenbeschreibung:

DLR GfR mbH is a company providing reliable, safe and secure aerospace services. We operate and manage the constellation of Galileo satellites in the Galileo Control Center Oberpfaffenhofen on behalf of the European Commission.

Our company headquarters is located in an area widely known as a holiday destination - the five-lakes region in Upper Bavaria near Munich. At the space industry location in Oberpfaffenhofen, our around 330 employees work every day in international and interdisciplinary teams on the navigation for the future. Become a part of us!

Your Mission

As an L2 Network Specialist, you will be part of the core maintenance team responsible for corrective, preventive, and adaptive maintenance of complex network infrastructures. You will act as an escalation point for L1 and collaborate closely with L3 engineers to resolve advanced issues and implement improvements. This role requires strong technical expertise in networking and a proactive approach to problem‑solving in high‑availability environments.

Your Key Responsibilities Include

Diagnose and resolve network‑related incidents (LAN, WAN, VPN, Firewalls, Routing, Switching).
Provide escalation support for L1 and coordinate with L3 for complex cases.
Perform maintenance procedures and ensure compliance with operational standards.
Monitor network performance and proactively identify potential issues.
Support incident resolution and root cause analysis.
Participate in major infrastructure upgrades and release activities.
Maintain and evolve troubleshooting platforms and documentation.
Contribute to configuration management and continuous service improvement initiatives.
Mentor junior engineers and share best practices.

Your Qualification

Degree in Telecommunications, Computer Science, or related field.
Minimum of 3 years experience in L2 support with a strong focus on networking.
CCNP certification is mandatory, CCIE or equivalent is preferred.
Your technical skills comprise:

Protocols: TCP/IP, Multicast, VRRP, BGP, OSPF, MPLS.
Network equipment: Cisco, Alcatel, HPE/Aruba, Sophos, Stormshield, Juniper, Fortinet, or equivalent.
Security: Firewalls, VPN, IDS/IPS.
Monitoring tools: Nagios, Zabbix, SNMP, SolarWinds.
Linux administration and scripting.
Virtualization technologies (VMware, Docker, Kubernetes).
Desirable: Knowledge of automation tools as well as experience with network design and configuration

Strong analytical and troubleshooting skills as well as excellent communication and teamwork.
Ability to work under pressure and meet SLA targets.
English at least at B2 level.

Our Offer

Work‑Life‑Balance, e.g., through flexible working time models and mobile office options.
30 days annual leave and additional days off on 24.12., 31.12. and Shrove Tuesday.
Trusting and appreciative cooperation as well as international Teamspirit.
Employer‑financed retirement plan.
Access to LinkedIn Learning.
Access to corporate benefits platform.
JobRad (company bike leasing).
Membership with EGYM Wellpass (corporate fitness).
Supplementary company health insurance.