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Principal Network Engineer - F5

at Early Warning Services in Chicago, Illinois, United States

Job Description

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, Route53, 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
Extensive knowledge with the following equipment or disciplines:
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... For full info follow application link.

Early Warning is an equal opportunity employer that takes affirmative action to employ, and advance in employment, qualified minorities, women, individuals with disabilities and covered veterans.

 

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Job Posting: 13502914

Posted On: May 29, 2026

Updated On: May 29, 2026

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