Senior Network Engineer
A&O IT Group · Basel, Basel-City, CH
The candidate will be responsible for the end-to-end physical deployment and logical validation of network infrastructure. You will be expected to diagnose i...
Job description
The candidate will be responsible for the end-to-end physical deployment and logical validation of network infrastructure. You will be expected to diagnose issues across Layers 1, 2, and 3 of the OSI model, ensuring that physical connectivity aligns with logical configurations. 1. Advanced Device Racking & Mounting Precision Placement: Interpret and execute Rack Elevation Diagrams (REDs) to mount high-density chassis (Cisco Nexus 9k, Catalyst 9500) and 1U/2U appliances. Mechanical Safety: Ensure proper use of rack rails, cage nuts, and stabilization kits. Manage weight distribution to maintain rack integrity. Power Sequencing: Connect dual-homed power supplies to diverse PDU sources (A+B feeds) and perform "pull tests" to verify seating. 2. Structured Cabling & Fibre Management Fibre Optics: Expert-level handling of Single Mode (SMF) and Multi-Mode (MMF) fibre. Proficiency in cleaning connectors (IBC cleaners) and inspecting end-faces with fibre scopes. SFP/Transceiver Management: Correctly identify and install SFP, SFP+, QSFP+, and QSFP28 modules. Troubleshoot "link down" issues by verifying wavelength compatibility (e.g., 850nm vs 1310nm) and light levels. Patching & Labelling: E...