Cisco certifications are the most widely recognized: CCNA for entry-level, CCNP for mid-level, and CCIE for expert-level roles. Juniper JNCIP and JNCIE are equivalent on Juniper platforms. Palo Alto PCNSE may be relevant for security-focused network roles. List certifications with exam number, version, and expiration date.

Reference site count, device count, and bandwidth scale. 'Managed enterprise WAN spanning 45 sites, 600+ network devices, and 10Gbps backbone connectivity; maintained 99.99% network availability for 3,000-user organization' provides a clear infrastructure scope. Incident response and change management experience are also relevant for senior roles.

Network automation is increasingly expected for senior roles — Python scripting for network tasks, Ansible for configuration management, and Terraform for network infrastructure as code. 'Automated network device provisioning using Python and Netmiko, reducing new site deployment time from 8 hours to 45 minutes' shows automation's business value.