Sr. Network Engineer - F5 - Contract

GTN Technical Staffing
Phoenix, AZ

Sr. Â Network Engineer - F5

HIGHLIGHTS
Location: Chicago, IL/ New York, NY/Â Phoenix, AZ Â (Hybrid)Â
Position Type: Â Contract
Hourly / Salary: Â BOE


Our client is looking for a Sr. Network Engineer - F5Â to join their team!



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: Â

  • 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 supervisorÂ


Essential Functions for Load Balancing/ F5 Focus Engineers:Â

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

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, 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:Â

  • Full understanding of F5 processes and services required to maintain L1 thru L7 environments on the F5 using APM, ASM, iRule, and LTM modules.Â
  • Required understanding and practical application of BigIQ deployment and management using AS3.Â
  • Understanding of MTLS and Cert management on F5.Â
  • Strong understanding of Ansible Automation Platform and Git.Â
  • Hands on experience with TMSH and Bash environments on F5.Â
  • Advanced experience creating and analyzing TCP level events using TCPDump and WiresharkÂ


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 ExtensionÂ
  • 301b+ Level QualificationsÂ
  • AWS Cloud Certs with background in CFT, DO, and Ansible DeployÂ

Â

"We are GTN – The Go To Network"

Posted 2025-08-28

Recommended Jobs

Engineer I, Process

LG Energy Solution Arizona
Queen Creek, AZ

Job Description Job Description We awaken the world with energy. LG Energy Solution is the global leader in lithium-ion battery technology for electric vehicles and energy storage solutions. L…

View Details
Posted 2025-07-23

Traveling Logistics/Driver

Trescal Inc
Chandler, AZ

Job Description Job Description Description: Trescal is a growing company, looking for new talent to join our organization! We are the premier independent calibration, repair, and asset service…

View Details
Posted 2025-09-05

Director of Servicing

RRA Capital
Phoenix, AZ

Job Description Job Description Salary: Director of Servicing Phoenix, AZ RRA Capital is a private equity real estate firm redefining the norms of credit and structured finance. Backed by…

View Details
Posted 2025-07-25

Construction Operations Manager

R-2 Contractors
Phoenix, AZ

Position Available: Operations Manager R-2 Contractors is seeking an experienced and results-driven Operations Manager to oversee daily activities and drive operational excellence. The ideal candi…

View Details
Posted 2025-07-25

Sales Associate

Oxford Global Resources
Chandler, AZ

Sales Associate Date:  Sep 16, 2025 Location:  Chandler, AZ, US, 85226 Company:  Oxford Global Resources Job ID:  6640 Position Summ…

View Details
Posted 2025-09-16

Mail Room Clerk

LHH
Mesa, AZ

Job Description Job Description Mail Room Clerk We are seeking a reliable and detail-oriented Mail Room Clerk to join our client's team in Mesa, AZ on a contract to hire basis. This role is es…

View Details
Posted 2025-08-29

Director of Property Management

Career Opportunites
Scottsdale, AZ

***2+ years of real estate/mortgage/escrow experience and an active real estate license within 30 days of hire will be required for the following position. MAIN OBJECTIVE: The Director of Proper…

View Details
Posted 2025-09-05

Physical Therapist

APN Staffing & Employment Solutions
Phoenix, AZ

Job Description Job Description Physical Therapist Phoenix, Arizona APN Staffing is currently hiring for an Physical Therapist . This position is Monday - Friday (8:00 am to 5:00 pm), wi…

View Details
Posted 2025-07-25

Montessori Classroom Substitute Teachers

Khalsa Montessori School
Phoenix, AZ

Job Description Job Description Khalsa Montessori School has openings for Substitute Teachers in Toddler (18mo - 3y), Primary (3 - 6y), and Elementary (9 - 12 y). This individual must be creative…

View Details
Posted 2025-08-29