JobsUSANetwork Engineer - Network Engineer III
Company : Apex Systems
Location : Redmond, WA, 98052
Posted Date : 15 September 2025
Job Type : Other
Category : IT Operations & Helpdesk
Occupation : Network Engineer
Job Details
Senior Network Engineer
We are seeking a highly skilled and experienced Senior Network Engineer to join our team. This role is ideal for a candidate with deep expertise in IP networking, routing protocols, and network automation, who thrives in a dynamic and highly available infrastructure environment. You will be responsible for designing, implementing, and maintaining complex network systems that support mission-critical operations.
Key Responsibilities:
- Architect, deploy, and maintain enterprise-grade network infrastructure.
- Configure and troubleshoot IP protocols (IPv4/IPv6) and routing protocols such as BGP and OSPF.
- Manage and support routing and switching platforms including Cisco Catalyst, Cisco Nexus, and Juniper SRX/QFX/MX.
- Perform advanced network analysis and troubleshooting using tools like Netflow, SNMP, and syslog.
- Support and optimize network services including LAN/WAN Ethernet, MSTP, VRRP, GSLB, anycast, multicast, MPLS, VPN, IPSEC, and TACACS.
- Maintain core network technologies including TCP/IP, ACLs, DNS, DHCP, and IPAM.
- Develop and maintain automation scripts using Python, Perl, or Bash.
- Collaborate with cloud teams to support AWS networking using Terraform or CDK.
- Participate in an on-call rotation and work flexible hours as needed.
- Lead process improvements and identify opportunities for operational enhancements.
Required Qualifications:
- Minimum 7+ years of industry experience in network engineering.
- Strong understanding of IP networking fundamentals and TCP/IP stack across layers 14.
- Hands-on experience with Linux/Unix environments.
- At least 2 years of experience with major internet routing protocols.
- At least 1 year of experience in network automation scripting.
- Experience designing and supporting highly available networks.
- Familiarity with packet forwarding architectures and modern network design.
- Proven experience with IPv6/IPv4 implementations.
Preferred Qualifications:
- Industry certifications such as CCNP, CCIE, JNCIP, or JNCIE.
- Experience in hybrid cloud environments and cloud-native networking.
- Strong communication and documentation skills.
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