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Network Engineer III; F5

Job in Seattle, King County, Washington, 98127, USA
Listing for: Rackspace Technology
Full Time position
Listed on 2026-03-01
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
  • IT/Tech
    Systems Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Position: Network Engineer III (F5)

The Network Engineer-III is responsible for the planning, design, configuration, integration & installation of our growing local area network (LAN) and/or global wide area network (WAN). The Network Engineer-III will provide leadership in technical support and documentation to various departments and users with regard to the global infrastructure. The Network Engineer-III serves as a liaison to gather network requirements from internal customers, vendors, and other third-party providers.

Work

Location
  • Onsite in Seattle, WA
  • Additional travel to satellite locations in Tacoma, WA, and Olympia, WA
Responsibilities
  • This role will have a strong focus on F5 technologies, including BIG-IP LTM, traffic management, and application delivery optimization across the enterprise network
  • Design:
    Perform design requirements feasibility studies
  • Design:
    Perform vendor recommendation/selection and coordination for hardware testing and installations
  • Design:
    Examine theoretical and implemented designs for deficiencies and facilitate corrections
  • Build:
    Prepare maintenance plan documentation & change management
  • Build:
    Examine maintenance plans for accuracy
  • Build:
    Script maintenance implementations
  • Build:
    Work in either a lead role or an assisting role during maintenance implementations
  • Improvements:
    Develop Standard Operating Procedures (SOP’s) & Method of Procedures (MOP’s)
  • Improvements:
    Develop network standardization practices
  • Improvements:
    Document informational content for specialized network designs to be used for training needs
  • Improvements:
    Present and/or Train on new network typologies, hardware, and technologies to internal teams
  • Improvements:
    Lead Root Cause Analysis sessions to achieve better networking practices
  • Improvements:
    Determine baseline requirements for our network needs
  • Improvements:
    Provide code analysis on existing software, IOS testing, and software recommendations
  • Improvements:
    Create network lab mockups for error testing
  • Improvements:
    Automate repetitive Engineering tasks
  • Additional:
    Responsible for Forescout management and maintenance (as secondary).
  • Additional:
    Manages the team’s ticket queue and responds on-site to issues
  • Additional:
    Act as 3rd level escalations POC for design or other related problems
  • Additional:
    Initial deployment of new products and services
  • Additional:
    Monitor capacity and plan for bandwidth additions
  • Additional:
    Establish project priority based on business needs
Requirements
  • High School Diploma or regional equivalent required
  • Bachelor's Degree required, preferably in Computer Science or Network Engineering. At the manager’s discretion, additional relevant experience may substitute for the degree requirement
  • Minimum 5-7 years of recent experience with network design and build-out of LAN/WANs and/or large-scale network retrofits and remediations
  • Hands-on experience with F5 BIG-IP solutions, including load balancing and application delivery
  • Must have certifications: CCNA and F5 101
  • Preferred certifications: F5 201, F5 301, CCDA, CCNP, CCDP preferred, CCIE (R&S, SP, or DC) highly preferred (or equivalent experience), Python PCEP
  • Advanced level experience working with most of the following technologies/applications: MPLS, BGP, LDP, QoS, IPv6, OSPF, vPC, STP, DWDM, EVPN, L2

    VPN, MPLS VPN, L3

    VPN, FHRP, VLAN, CDP, port-channels, IS-IS, MPLS Inter-AS, VXLAN, DNS, ACL, RADb, Flowspec, RTBH, Git Hub, API’s, NFV, Hypervisors, virtual switching
  • Multi-vendor experience working with the following platforms:
    Cisco IOS, ASR 1k (IOS-XE), ASR NCS (IOS-XR), Nexus (NX-OS), Arista (EOS), Junos
  • Experience working in a service provider, datacenter/hosting environment, or large-scale enterprise networks.
  • Experience researching, evaluating, and recommending hardware and/or software solutions supporting large-scale deployments and/or remediations against the LAN/WAN
  • Experience working with 3rd party networking vendors, with an understanding of the service/hardware/software portfolios they provide
  • Able to identify areas of process improvement and provide input and solution options to streamline work
  • Excellent writing, documentation, and communication skills, possessing the ability to communicate well with technical and…
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