SRE
Network & Telco Operations Engineer
Pfäffikon
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A high-impact engineering opportunity is available with an international technology company operating a mission-critical platform.
Key Responsibilities:
- Network engineering & operations:
Design, operate, and troubleshoot Cisco-based networks (routers, switches, VLANs, TCP/IP). - Routing & connectivity:
Configure and maintain BGP, OSPF, internet edge, IP addressing, and partner connections. - Network security:
Administer Palo Alto (or similar) firewalls, policies, NAT, segmentation, and VPN tunnels. - Telco & messaging operations:
Support SMPP and SS7/Sigtran connectivity, basic SMSC/STP concepts, and protocol-level troubleshooting with carriers and partners. - Monitoring & incident handling:
Use packet captures (e.g., Wireshark) and monitoring tools to investigate latency, packet loss, routing, and signaling issues. - Data center & rack work:
Participate in on-site network设备安装, cabling, patching, and hardware health checks in colocation facilities. - Vendor & partner coordination:
Work with carriers, telco providers, and colocation vendors on circuits, incidents, and changes.
Profile:
- Must have:
- Strong production experience with Cisco routers/switches and enterprise networking (VLANs, routing, TCP/IP).
- Hands-on with firewalls (Palo Alto or comparable), VPNs, and network security basics.
- Solid understanding of BGP/OSPF and internet edge connectivity.
- Comfortable with on-site rack work, cabling, and working in telehouses/colocation sites.
- Should have:
- Practical troubleshooting skills using packet captures and monitoring tools.
- Basic Linux knowledge and familiarity with virtualization concepts (Proxmox/VMware).
- Understanding of DNS, DHCP, NTP, and general network services.
- Experience documenting network designs and changes in a structured way.
- Optional (nice to have):
- Exposure to telco protocols and services: SMPP, SS7/Sigtran, SCTP, M3UA, SMSC/STP, SMS/OTP services.
- Experience cooperating with external carriers, suppliers, and service providers.
- Scripting in Bash, PowerShell, or Python for network automation or reporting.
- Basic Microsoft 365/Entra/Intune and office infrastructure support.
- Fluent English is required; German is a strong advantage.
Apply for the
Network & Telco Operations Engineer
position if you believe this is your next challenge.
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