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Job Title: Experienced Customer Success Engineer – Federal Government Sector, Top Secret Clearance Required

Remote, USA Full-time Posted 2026-06-13

• *Job Description:** About arenaflex arenaflex is revolutionizing the way large networks are managed. Our cutting-edge platform delivers a vendor-agnostic "digital twin" of the network, based on a mathematical model. The platform scales to support hundreds of thousands of network devices, whether cloud, hybrid cloud, or on-prem. It serves as a single source of truth for the network, enabling network operators to instantly verify security posture, accelerate troubleshooting, avoid outages, and modernize network management. Over the past few years, arenaflex has received tremendous industry recognition, including “Cool Vendor in Enterprise Networking” by Gartner, “Product of the Year” by Cloud Computing, “Hot Company” by Cyber Defense Magazine, “Enterprise Cloud Computing Software of the Year,” and has been named to Fortune’s “Best Workplaces in the Bay Area” list. The company was founded by four Stanford PhD graduates who saw a massive opportunity to improve network operations. Investors include Andreessen Horowitz, MSD Capital, Threshold Ventures, and Goldman Sachs. Join arenaflex as a Customer Success Engineer Do you want to create a category and help build a special company? Join arenaflex, a company that has been in market 5+ years and has some of the top Federal agencies and F500/Global 2000 already buying and referenceable. We are building a special team and hope you consider us if you want to have the experience of changing the networking world as we know it. What You'll Do: As a Customer Success Engineer for our Federal team, you will be responsible for providing world-class post-sales technical leadership to our client base. Responsibilities:

  • Provide advice and guidance as the arenaflex subject matter expert to ensure successful ongoing usage and adoption of our technologies.
  • Take ownership of post-sales technical issues, working with cross-functional teams to document problem resolution steps and troubleshooting procedures.
  • Walk customers through the various stages of adoption with arenaflex Platform.
  • Collaborate directly with our internal Product Management, Engineering, Sales, and Marketing teams.
  • Some travel to customer locations (

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