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Principal Network Engineer - F5

Job in Chicago, Cook County, Illinois, 60290, USA
Listing for: Early Warning Services LLC
Full Time position
Listed on 2026-06-02
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity, Network Engineer
Salary/Wage Range or Industry Benchmark: 206000 - 258000 USD Yearly USD 206000.00 258000.00 YEAR
Job Description & How to Apply Below

At Early Warning, we've powered and protected the U.S. financial system for over thirty years with cutting-edge solutions like Zelle, Paze, and so much more. As a trusted name in payments, we partner with thousands of institutions to increase access to financial services and protect transactions for hundreds of millions of consumers and small businesses.

Positions located in Scottsdale, San Francisco, Chicago, or New York follow a hybrid work model to allow for a more collaborative working environment.

Candidates responding to this posting must independently possess the eligibility to work in the United States, for any employer, at the date of hire. This position is ineligible for employment Visa sponsorship.

Overall Purpose

The F5 Principal Network Engineer acts as a subject matter expert to mentor and support team members on network planning, engineering, and operational support. This role will be accountable for operation, performance and availability, and compliance of the Early Warning network.

Essential Functions
  • Subject Matter Expert
    :
    Develop and review current structure and plan for next generation. Be the technical go-to resource for network solutions. Provide direction and mentorship to team.
  • Operational Performance Champion: Ensure performance and availability are meeting business SLA's. Create and maintain the network standards and baselines. Maintain highest levels of network protection from disaster.
  • Support Amazing Customer

    Experience:

    Collaborate with various internal groups and external vendors to ensure all installations meet specifications, ensuring the resolution of problems as they arise. Analyze the needs of the organization and translate requirements into detailed technical specifications.
  • Support the company's commitment to risk management and protecting the integrity and confidentiality of systems and data.
Minimum Qualifications
  • Education and/or experience typically obtained through completion of a Bachelor's Degree in Computer Science, Information Systems or another related field
  • Typically, 12 or more years of demonstrated progressive expert level experience in network design, implementation, and support
  • Demonstrated experience leading network projects including large scale data center migrations
  • Serve as SME for F5 BIG-IP platforms including LTM, APM, ASM, providing architecture, implementation, optimization, and operational support for highly available application delivery services.
  • Design and maintain advanced F5 iRules, policies, and traffic management solutions supporting application availability, authentication, security, SSL offload, and performance optimization.
  • Lead implementation and support of global and local load balancing solutions including F5 GTM/DNS, Infoblox DTC, AWS ALB/ELB, Route
    53, and external DNS provider solutions support resiliency and disaster recovery objectives.
  • Develop and maintain enterprise DNS solutions and standards, ensuring high availability, security compliance, and integration across hybrid cloud and multi-data center environments.
  • Provide engineering leadership for application delivery and cloud networking initiatives, partnering across infrastructure, security, and application teams to deliver scalable hybrid network solutions.
  • Hands‑on experience implementing and administrating network devices, setting and maintaining policies and rights within a network environment
    • Firewalls
    • Load Balancers
    • Cisco network switches
    • Cisco routers
    • Cisco VPN
    • Juniper equipment
    • Linux/ Windows servers
    • Telecom Services
  • Strong understanding of Data Center technologies, securing local and remote networks and routing protocols (i.e. BGP, OSPF, EIGRP) and common network monitoring and security utilities
  • A thorough understanding of the OSI network model, Ethernet, and TCP/IP networking
  • Strong technical background to include experience with Routing and Switching technologies and extensive knowledge of TCP/IP protocols
  • Demonstrated successful experience designing disaster recovery/business continuity network solutions
  • Strong written and verbal communication skills. Demonstrated ability to create and deliver compelling and persuasive presentations.
  • Strong business acumen and customer service skills
  • Background and drug screen
Preferred Qualifications
  • Typically aligns with a minimum of 15 or more year's related experience
  • ITIL Experience with Version 3 or 4
  • Vendor Management experience
  • Experience in Software Defined Networking and/or Cloud Networking
  • Prior consulting background

The base pay scale for this position in:

Phoenix, AZ/ Chicago, IL in USD per year is: $172,000 - $215,000.

San Francisco, CA in USD per year is: $206,000 - $258,000.

Additionally, candidates are eligible for a discretionary incentive plan and benefits.

This pay scale is subject to change and is not necessarily reflective of actual compensation that may be earned, nor a promise of any specific pay for any specific candidate, which is always dependent on legitimate factors considered at the time of job offer. Early Warning Services takes into…

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