F5 Network Engineer

Peraton

$80K — $128K *
US-AnywhereRemote in United States
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in network engineering or a related field with a Bachelor's degree, or 9 years with a high school diploma.
  • Hands-on expertise with F5 Load Balancers in complex, multi-vendor environments.
  • Experience with Cisco routers and switches, particularly the Nexus 9xxx and Catalyst 9000 series.
  • Strong understanding of networking principles and the OSI model.
  • Proficiency in managing DNS and associated IP infrastructures.
  • Experience working in Data Center environments.
  • Competence in administering monitoring tools for proactive network management.

Responsibilities

  • Deploy, configure, and maintain F5 BIG-IP LTM hardware.
  • Manage SSL/TLS certificate lifecycles, including generation and renewal.
  • Troubleshoot complex application delivery issues through detailed diagnostics.
  • Optimize and write custom iRules for advanced traffic management.
  • Perform network diagnostics using tools like Wireshark and tcpdump.
  • Design failover mechanisms in high availability configurations.
  • Provide on-call support for data center issues and maintain compliance with security protocols.

Benefits

  • Comprehensive health, dental, and vision insurance.
  • Retirement plan with employer matching contributions.
  • Paid time off and flexible work hours.
  • Opportunities for professional development and certifications.
  • Access to a supportive company culture with a focus on teamwork.
Full Job Description
Responsibilities

 

Peraton is seeking an F5 Engineer to join our team. In this role, you will be responsible for the implementation, configuration, maintenance, troubleshooting, and optimization of F5 technologies supporting our network infrastructure. You 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.

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

    • Specialized security workarounds

  • Manage the lifecycle of SSL/TLS certificates, including:

    • CSR generation

    • Certificate deployment

    • Automated renewal cycles on BIG-IP devices

  • Perform deep-packet and L3-L7 diagnostics for:

    • Complex application delivery issues

    • High latency

    • Routing issues

    • SSL handshake failures

  • Utilize advanced tools such as:

    • Wireshark

    • tcpdump

    • F5 iQuery

    • 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)

    • 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

    • 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)

Qualifications

Required Qualifications:

  • 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
  • Must have 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
Target Salary Range$80,000 - $128,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

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