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Network Engineer - Network Engineer III

Design and deploy scalable, automated enterprise network infrastructure supporting mission-critical operations
Redmond, Washington, United States
Senior
22 hours agoBe an early applicant
Apex Systems

Apex Systems

A staffing and services firm specializing in the delivery of IT professionals for contract, contract-to-hire, and direct placements.

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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 1–4.
  • 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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Network Engineer - Network Engineer III
Location:Redmond, WA, US
Engineering
About Apex Systems
A staffing and services firm specializing in the delivery of IT professionals for contract, contract-to-hire, and direct placements.