F5 Engineer

Peraton•Reston, VA

8d•Onsite

About The Position

Peraton is seeking an F5 Engineer to join their team. In this role, the engineer will be responsible for the implementation, configuration, maintenance, troubleshooting, and optimization of F5 technologies supporting the network infrastructure. They will work closely with network and infrastructure teams to ensure reliable and secure application delivery across the Customer's Data Centers and MAN/WAN sites. The ideal candidate is a detail-oriented engineer with strong troubleshooting skills, the ability to manage multiple priorities, and a commitment to maintaining the performance, availability, and security of the network environment.

Requirements

5 years with a Bachelor's degree or 9 years with a HS Diploma
5 years of hands-on experience in the implementation and administration of complex, multi-location, multi-vendor, converged voice/data networks in a geographically distributed environment
In-depth hands-on experience on F5 Load Balancers in real-world complex environments
Hands-on experience in administering Cisco routers & switches including but not limited to Nexus 9xxx, Catalyst 9000, Cisco ONS, Cisco ACI and DNA Center. Juniper MX routers and EX switches. Infoblox DDI appliances
Good understanding of network principles and the OSI model
Experience managing networks, internal and external DNS, and the associated IP infrastructure
Experience working in a Data Center
Experience administering and configuring monitoring tools for proactive alerting and trends analysis
Experience in working with support ticketing systems, managing assigned tickets, as well as providing appropriate follow-up
Experience with creating and maintaining documentation
Experience with the use of Data Center inventory management tools
Must be a US Citizen
Must be able to obtain and maintain the required agency clearance

Responsibilities

Deploy, license, and configure F5 BIG-IP LTM hardware.
Maintain Virtual servers, Pools, Nodes, Custom monitors, and Persistence profiles.
Manage SSL offloading, SSL bridging, and secure cipher suite configurations.
Author, optimize, and troubleshoot custom iRules (TCL-based) to handle advanced traffic steering, URI redirects, header manipulation, and specialized security workarounds.
Manage the lifecycle of SSL/TLS certificates, including CSR generation, certificate deployment, and automated renewal cycles on BIG-IP devices.
Perform deep-packet and L3-L7 diagnostics for complex application delivery issues, high latency, routing issues, and SSL handshake failures.
Utilize advanced tools such as Wireshark, tcpdump, F5 iQuery, and F5 Analytics.
Execute TMOS operating system upgrades, hotfixes, and backup restorations using UCS/SCF configuration archives.
Design and test failover mechanics in High Availability (HA) topologies, including Device Service Clustering (DSC) and Active/Standby setups.
Utilize F5 iControl REST APIs for programmatic control and monitoring.
Recommend enhancements to improve systems availability and performance.
Offer recommendations for procedural upgrades.
Provide network administration and support for a campus-wide area network infrastructure.
Maintain experience with TCP/IP protocol suite, IP subnets and masking, and routing protocols.
Work in Local Area Network (LAN) and Wide Area Network (WAN) environments.
Design, configure, and troubleshoot Routing and Switching systems. Cisco expertise required.
Maintain security and ensure compliance with security policies and procedures.
Provide on-call support for off-hours data center escalations.
Perform regular scheduled out-of-hours maintenance window support.
Maintain and manage network IP address management (IPAM).