Full-Time

Senior Network Engineer

F5

Posted on 7/6/2025

Early Warning

Early Warning

1,001-5,000 employees

Payments network and risk management solutions

Compensation Overview

$120k - $150k/yr

+ Discretionary Incentive Plan

No H1B Sponsorship

San Francisco, CA, USA + 3 more

More locations: Chicago, IL, USA | Scottsdale, AZ, USA | New York, NY, USA

Hybrid

Candidates 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.

Category
IT & Security (1)
Required Skills
TCP/IP
Bash
Wireshark
Git
Ansible
Linux/Unix
Requirements
  • Education or experience equivalent to a bachelor’s degree in computer science or engineering
  • Minimum 7 years work experience
  • Hands-on experience implementing and administrating network devices, setting and maintaining policies and rights within a network environment
  • Advanced knowledge with any of the following equipment or disciplines: Load balancers/ F5, Firewalls, Cisco and network switches, Cisco routers, Cisco VPN, Palo Alto, Linux/Windows Servers, Telecom Services
  • Strong understanding of common network monitoring and security utilities, Data Center technologies, securing local and remote networks and routing protocols (i.e. BGP, OSPF, EIGRP)
  • A thorough understanding of the OSI network model, Ethernet, and TCP/IP networking
  • Basic understanding of virtualization and its impact on network designs. Familiar with ESX and vSwitch technology
  • A practical level of experience implementing and administrating common TCP/IP-based services, including DNS, DHCP, HTTP, HTTPS, SFTP, SSH, SSL, SMTP, etc.
  • Troubleshooting focused on determining hardware vs. software, hardware vs. firmware, software vs. operating system, network vs. application/systems, and patterned vs. non-repeatable problems
  • Ability to prioritize and multitask
  • Willingness to learn new technologies and maintain industry knowledge
  • Excellent oral and written communication skills
  • Excellent interpersonal skills
  • Full understanding of F5 processes and services required to maintain L1 thru L7 environments on the F5 using APM, ASM, iRule, and LTM modules
  • Required understanding and practical application of BigIQ deployment and management using AS3
  • Understanding of MTLS and Cert management on F5
  • Strong understanding of Ansible Automation Platform and Git
  • Hands on experience with TMSH and Bash environments on F5
  • Advanced experience creating and analyzing TCP level events using TCPDump and Wireshark
Responsibilities
  • Design, configure, test, and maintain LAN/WAN equipment and related services for Web support
  • Lead in the diagnosis, and resolve complex network problems
  • Select network devices, and set network policies that adhere to Security guidelines
  • Create and maintain comprehensive documentation for all implemented networks
  • Maintain and support company’s LAN/WAN environment and Web Hosting Services
  • Direct the maintenance, problem resolution and hardware configurations
  • Direct the maintenance of all Firewalls and approve requested rule changes in the Firewall Review Board meetings
  • Participate in 24x7 on-call and escalations, ensuring that Networking staff are fully trained to support all aspects of the network
  • Obtain and maintain required certifications
  • Act as SME in the definition and policy making of network and security protocols
  • Comply with all security policies and procedures, to ensure that the highest level of system and data confidentiality, integrity and availability is maintained
  • Support the company’s commitment to risk management and protecting the integrity and confidentiality of systems and data
Desired Qualifications
  • Additional education and/or experience is preferred
  • Current Cisco, Palo Alto, Juniper or equivalent common industry certification, i.e. CCNP, CCIE
  • BigIQ Training using GUI with AS3 Extension
  • 301b+ Level Qualifications
  • AWS Cloud Certs with background in CFT, DO, and Ansible Deploy

Early Warning Services, LLC builds and operates risk, fraud and payment technologies that protect financial transactions and expand access to financial services. It leverages network intelligence and collaborations with more than 2,500 banks and credit unions to secure payments for consumers and small businesses, and to enable convenient payment options. Its well-known products include Zelle®, a person-to-person electronic payments network, and Paze℠, an online checkout solution, integrated within a broad financial ecosystem. The company differentiates itself through its extensive partner network, decades of experience, and a dedicated focus on risk, fraud prevention and payments infrastructure. Its goal is to empower and protect the U.S. financial services ecosystem by making financial services more accessible while keeping transactions safe.

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

$22.9M

Headquarters

Scottsdale, Arizona

Founded

1990

Simplify Jobs

Simplify's Take

What believers are saying

  • Partners with over 2,500 banks and credit unions for vast network access.
  • Leverages big data analytics from thousands of institutions for ACH fraud prevention.
  • Submitted five-point fraud plan to OCC, Fed, FDIC RFI on September 19, 2025.

What critics are saying

  • CFPB sued Early Warning and banks on December 20, 2024, for Zelle fraud violations.
  • Bank ownership by BofA, JPMorgan, Wells Fargo invites DOJ antitrust scrutiny.
  • Paze faces displacement by Apple Pay, Google Pay in saturated e-commerce market.

What makes Early Warning unique

  • Early Warning screened $10.8 trillion in payments in 2024, stopping $3 billion fraud.
  • Predict New Account Risk delivers predictive intelligence beyond binary risk decisions.
  • Operates Zelle and Paze, expanding from fraud detection to e-commerce payments.

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Benefits

Health Insurance

401(k) Retirement Plan

401(k) Company Match

Unlimited Paid Time Off

Paid Vacation

Paid Parental Leave

Family Planning Benefits

Flexible Work Hours

Company News

PR Newswire
Mar 17th, 2026
Citi adds Paze digital wallet for millions of US credit cardmembers

Early Warning Services has expanded its Paze online checkout solution to Citi, giving millions of credit cardmembers access to the bank-offered digital wallet. Eligible Citi cardmembers can activate Paze through Citi.com, the Citi Mobile App, or mywallet.paze.com. Paze allows customers to check out online without manually entering card details, using tokenisation for added security. The service is available at leading online merchants across apparel, electronics, jewellery, food, entertainment and beauty sectors. According to a survey, 72% of US consumers value digital wallet efficiency for online transactions, whilst 82% trust their banks' security more than third-party payment options. More than 165 million credit and debit cards have been added to the Paze platform, which is operated by Early Warning Services.

Cision
Sep 4th, 2025
Extending the Reach of Zelle(R): Alacriti and Early Warning Join Forces

Alacriti partners with Early Warning Services to embed Zelle(R) into its Orbipay Payments Hub

NYC Politics
Aug 14th, 2025
NY Attorney General Letitia James Targets Zelle's Parent Company Over Massive Fraud Losses

While EWS promoted Zelle as safe and reliable, the complaint contends the company failed to deliver on those promises.

Early Warning Services, LLC
Jul 9th, 2025
Payfinia brings Paze digital wallet to community financial institutions

PORTLAND, Ore., July 9 - Payfinia, an independent payment services firm providing an open payments framework, announced today its partnership with Early Warning Services to offer Paze[SM], an online checkout solution developed by Early Warning Services and offered by participating banks and credit unions.

Boland Hill Media, LLC
Dec 20th, 2024
The CFPB Sues Early Warning, BofA, Chase, And Wells Over Zelle Fraud

Zelle, which Early Warning launched in 2017 to compete with services such as PayPal Holdings Inc. and its Venmo network, has been the subject of controversy for several years over scams in which users allege they were gulled into transferring funds to fraudsters.

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