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Customer Success Engineer
Job in
Seattle, King County, Washington, 98127, USA
Listed on 2026-03-01
Listing for:
Casco (YC X25)
Full Time
position Listed on 2026-03-01
Job specializations:
-
IT/Tech
Technical Support, Cybersecurity
Job Description & How to Apply Below
We're looking for a Customer Success Engineer who is obsessed with making our customers’ software secure. You will be the technical bridge between our customers and our security and engineering teams. This isn't a traditional customer success role where you just close tickets. You are a security success engineer, a trusted advisor for all things application security. You'll manage the onboarding lifecycle, answer deep technical questions, and ensure our customers are getting maximum value from Casco.
WhatYou’ll Actually Do
- Own the Onboarding Journey:
You will guide new customers from "signed contract" to "fully operational," ensuring their first and every future pentest experience is seamless - Manage Concurrent Engagements:
You're always staying on top of multiple customer requests, deployments, and feedback loops simultaneously. You ensure nothing falls through the cracks - Be the Security Expert:
Customers will ask complex security questions. You need to answer them with confidence, explaining how our agents interact with their infrastructure and helping them interpret findings - Triage and Troubleshoot:
You are the first line of defense for technical FAQs. You'll solve problems directly when you can and know exactly when to elevate to the core engineering team - Advocate for the Customer:
You'll gather feedback from the field and work directly with our product and engineering teams to shape the future of the platform
- Security Mindset:
You don't just know what "XSS" or "RCE" stands for. You understand the implications. You have a strong foundation in security principles and can speak the language of offensive security engineers - Project Management:
You thrive in chaos and can organize it. You have a proven track record of managing multiple stakeholders and complex timelines without losing your cool - Technical Proficiency:
You are comfortable reading documentation, understanding API integrations, and troubleshooting software issues. You might not write the code, but you can definitely read the logs - Excellent Communication:
You can explain complex security concepts to a CTO, a CISO, and a non-technical stakeholder in the same meeting - Startup Grittiness:
You're ready to use AI to build automation where none exists and adapt quickly as demand scales
- Security
Certifications:
Bonus points for CompTIA Security+, CEH, GSEC, or similar - Experience with AI/LLMs:
You've automated away tactical work with AI, so you can focus on more strategic work - Previous CS/Sales Engineering
Experience:
You've done this before in a B2B SaaS environment
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