Experience: 6-8 years, Data Center, Ethernet/Fiber, Cisco/Arista
Job Description & Details
"The demand for robust, high\u2011performance network infrastructure is soaring as enterprises shift to hybrid cloud and edge computing. A Senior Network Engineer who can manage both physical and logical layers in a data\u2011center environment is a rare and valuable asset. This role in San Diego offers you the chance to lead critical network deployments for large\u2011scale campus and data\u2011center projects.\n\n# Job Summary\nWe are seeking a Senior Network Engineer to provide L2/L3 physical and logical support across a high\u2011density data center and enterprise campus. Responsibilities include installing and troubleshooting Ethernet and fiber cabling, configuring Cisco, Arista, and Palo Alto devices, and managing F5 load balancers and associated modules (SFP, PIC, NIM, DPC).\n\n# Top 3 Critical Skills Table\n| Skill | Why it's critical | Mastery Level |\n|-------|-------------------|--------------|\n| Ethernet & Fiber Cabling Installation | Enables reliable high\u2011speed connectivity across the campus and data center | Senior |\n| Cisco/Arista Network Device Configuration | Core routing/switching platform; ensures network stability and performance | Senior |\n| F5 Load Balancer & Module Management (SFP, PIC, NIM, DPC) | Balances traffic for critical applications and requires precise hardware knowledge | Senior |\n\n# Interview Preparation\n1. **Describe the process you follow to terminate and test fiber optic links in a data\u2011center environment.**\n *What the interviewer is looking for:* Understanding of fiber types, polishing, OTDR testing, and verification of loss budgets.\n2. **How do you configure a high\u2011availability pair of F5 BIG\u2011IP load balancers, including module selection (SFP, PIC, NIM, DPC)?**\n *What the interviewer is looking for:* Knowledge of HA sync, traffic groups, and hardware module compatibility.\n3. **Explain the differences between L2 and L3 troubleshooting steps when a server cannot reach the internet.**\n *What the interviewer is looking for:* Ability to isolate issues at the VLAN/ARP level versus routing/ACL level.\n4. **What best practices do you apply when integrating Palo Alto firewalls into an existing campus network?**\n *What the interviewer is looking for:* Insight into zone\u2011based policies, NAT configuration, and coexistence with Cisco/Arista gear.\n5. **Can you walk through a recent project where you upgraded SFP modules across multiple switches? What challenges did you face?**\n *What the interviewer is looking for:* Real\u2011world experience, change\u2011management procedures, and handling of compatibility issues.\n\n# Resume Optimization\n- Data Center\n- Enterprise campus\n- Ethernet cabling\n- Fiber cabling\n- Cisco networking\n- Arista switches\n- Palo Alto firewall\n- F5 load balancer\n- SFP module\n- NIM/DPC hardware\n\n# Application Strategy\nWhen reaching out to the recruiter, send a concise email that greets the hiring manager, briefly introduces yourself, and attaches your updated resume. Clearly highlight your top skills\u2014such as Ethernet/Fiber installation, Cisco/Arista configuration, and F5 load\u2011balancer expertise\u2014and reference any projects that demonstrate these capabilities. Make sure to mention the specific technologies listed in the job description to show a direct match.\n\n# Career Roadmap\n| Current Role | Typical Experience | Core Focus | Next Position |\n|--------------|--------------------|------------|---------------|\n| Senior Network Engineer | 6\u20118 years in data\u2011center & campus networks | L2/L3 physical & logical support, hardware integration | Network Architect (10+ years, design & strategy) |"