Sr. Network Engineer - F5

Early Warning®; Chicago (IL); Hybrid; USD 120,000 - 140,000; Full time

Job summary

Early Warning is seeking a Sr. Network Engineer focused on F5 technologies to design, configure and maintain critical network infrastructures. This role involves leading troubleshooting efforts, documenting networks, and ensuring security compliance. Based in Chicago, the position allows for hybrid work arrangements, reflecting a commitment to flexible work environments.

Benefits

Healthcare Coverage

401(k) Retirement Plan

Unlimited Time Off

Paid Parental Leave

Qualifications

• 7+ years of experience in network management.
• Hands-on experience with F5, firewalls, Cisco equipment.
• Strong understanding of network monitoring utilities.

Responsibilities

• Design and maintain LAN/WAN environments.
• Troubleshoot complex network problems.
• Document implemented networks and configurations.

Skills

Network design

Problem resolution

LAN/WAN management

Security protocols

Documentation

Troubleshooting

F5 Load Balancers

TCP/IP Networking

Linux/Windows Servers

Ansible Automation

Education

Bachelor’s degree in computer science or engineering

Tools

F5 appliances

TCPDump

Wireshark

Job description

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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

This position designs and maintains the hardware and software necessary for a hardened computer network. Provide high level technical analysis with a specialty in Local Area Networks (LANs) or Wide Area Networks (WANs). Focus on network design, performance, maintenance, problem resolution and hardware configuration

Essential Functions

• 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.
• The above job description is not intended to be an all-inclusive list of duties and standards of the position. Incumbents will follow instructions and perform other related duties as assigned by their supervisor
  
  

Essential Functions For Load Balancing/ F5 Focus Engineers

• Create and troubleshoot iRules and apply rules within the F5 appliances.
• Troubleshoot complex and escalated issues and debug services using problem determination tools and logs provided with the F5 appliances.
• Configure and Manage F5 using TMSH and BASH environments.
• Plan and execute firmware upgrades and system management deployments for major and minor upgrades in AWS Cloud and On-Prem VM/ADC devices.
  
  

Minimum Qualifications

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
  
  

Minimum Qualifications For Load Balancing/ F5 Focus Engineers

• 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
  
  

Preferred Qualifications

• Additional education and/or experience is preferred.
• Current Cisco, Palo Alto, Juniper or equivalent common industry certification, i.e. CCNP, CCIE, JNCIP
  
  

Preferred Qualifications For Load Balancing/ F5 Focus Engineers

• BigIQ Training using GUI with AS3 Extension
• 301b+ Level Qualifications
• AWS Cloud Certs with background in CFT, DO, and Ansible Deploy
  
  

The Base Pay Scale For This Position In

Phoenix, AZ/Chicago, IL in USD per year is $120,000 - $140,000.

San Francisco, CA/New York, NY in USD per year is $130,000-$150,000.

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 consideration a variety of factors when determining a competitive salary offer, including, but not limited to, the job scope, market rates and geographic location of a position, candidate’s education, experience, training, and specialized skills or certification(s) in relation to the job requirements and compared with internal equity (peers). The business actively supports and reviews wage equity to ensure that pay decisions are not based on gender, race, national origin, or any other protected classes.

Physical Requirements

Working conditions consist of a normal office environment. Work is primarily sedentary and requires extensive use of a computer and involves sitting for periods of approximately four hours. Work may require occasional standing, walking, kneeling, and reaching. Must be able to lift 10 pounds occasionally and/or negligible amount of force frequently. Requires visual acuity and dexterity to view, prepare, and manipulate documents and office equipment including personal computers. Requires the ability to communicate with internal and/or external customers.

Employee must be able to perform essential functions and physical requirements of position with or without reasonable accommodation.

Some of the Ways We Prioritize Your Health and Happiness

• Healthcare Coverage –Competitive medical (PPO/HDHP), dental, and vision plans as well as company contributions to your Health Savings Account (HSA) or pre-tax savings through flexible spending accounts (FSA) for commuting, health & dependent care expenses.
• 401(k) Retirement Plan –Featuring a 100% Company Safe Harbor Match on your first 6% deferral immediately upon eligibility.
• Paid Time Off – Unlimited Time Off for Exempt (salaried) employees, as well as generous PTO for Non-Exempt (hourly) employees, plus 11 paid company holidays and a paid volunteer day.
• 12 weeks of Paid Parental Leave
• Maven Family Planning – provides support through your Parenting journey including egg freezing, fertility, adoption, surrogacy, pregnancy, postpartum, early pediatrics, and returning to work.
  
  

And SO much more! We continue to enhance our program, so be sure to check our Benefits page here for the latest. Our team can share more during the interview process!

Early Warning Services, LLC (“Early Warning”) considers for employment, hires, retains and promotes qualified candidates on the basis of ability, potential, and valid qualifications without regard to race, religious creed, religion, color, sex, sexual orientation, genetic information, gender, gender identity, gender expression, age, national origin, ancestry, citizenship, protected veteran or disability status or any factor prohibited by law, and as such affirms in policy and practice to support and promote equal employment opportunity and affirmative action, in accordance with all applicable federal, state, and municipal laws. The company also prohibits discrimination on other bases such as medical condition, marital status or any other factor that is irrelevant to the performance of our employees.

Early Warning Services LLC is a proud participant in E-Verify, a federal program to help ensure a legal and authorized workforce. As part of our hiring process, we electronically verify the employment eligibility of all new hires through E-Verify. For more information on your rights and responsibilities under E-Verify please visit Home | E-Verify.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

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