Sr. Network Engineer - F5 - Contract

• 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

• 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.

• 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

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

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

GTN Technical Staffing