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Senior Network Engineer
Posted Sep 10, 2026 · We last checked this listing on Oct 6, 2026
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Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Walk me through a time you designed and rolled out an SD-WAN solution across multiple sites. What was the business problem and how did you approach the design?
What they are checking: whether the candidate has real end-to-end ownership of SD-WAN projects versus just touching pieces of one
Tell me about a network outage you diagnosed under pressure. What steps did you take and how did you communicate status while you worked the problem?
What they are checking: composure and method during high-stakes troubleshooting, plus communication discipline
Give me an example of a network task you automated with Python or Ansible. What did the process look like before, and what changed after?
What they are checking: real automation experience and ability to quantify the value of the work
Tell me about a security measure you implemented on a network that you think actually mattered. What was the threat you were addressing?
What they are checking: whether security work is intentional and risk-driven rather than checkbox compliance
Tell me about a time you had to push back on a design decision from a more senior engineer or manager because you thought it was wrong. What happened?
What they are checking: technical confidence and ability to advocate for sound architecture in a team setting
What would you do
If you needed to extend on-prem network connectivity into an AWS VPC or Azure Virtual Network, what would you need to plan for before you touch anything?
What they are checking: grasp of hybrid cloud networking tradeoffs and planning discipline
A vendor delivers equipment late or a firmware update breaks something unexpectedly mid-project. How do you handle that with the vendor and with your internal stakeholders?
What they are checking: vendor management skill and ability to keep a project on track when external parties fail
You're asked to migrate a site from legacy WiFi to Cisco Meraki with minimal disruption to end users. How would you plan and sequence that cutover?
What they are checking: practical migration planning and awareness of business impact during change windows
About the work
Say you have a Cisco ACI fabric and a tenant's application suddenly loses east-west connectivity between endpoint groups. How would you go about isolating the cause?
What they are checking: depth of hands-on ACI troubleshooting knowledge, not just familiarity with the concept
How do you structure access control lists and routing protocol configuration when you're standing up a new router in a segmented network?
What they are checking: practical command of router configuration fundamentals and security-conscious design habits
Describe how you've used Infoblox to manage DNS, DHCP, and IP address space across a large environment. What problems does DDI actually solve for you day to day?
What they are checking: whether they've operated DDI tooling at scale versus reading about it
How would you use Terraform alongside Ansible in a network environment — what would you hand to each tool and why?
What they are checking: understanding of infrastructure-as-code boundaries versus configuration management, not just tool name-dropping
How do you use GitLab CI/CD pipelines in your network change process, and what stops a bad configuration from reaching production?
What they are checking: maturity of change control practices and comfort working in a DevOps-style pipeline
How do you decide what belongs in your network documentation, and how do you keep it from going stale?
What they are checking: whether documentation is treated as a real deliverable or an afterthought
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Practice this out loudThe full job description
As published by American Family Insurance.