Why Customer Success Teams Can't Fill the Forward-Deployed Engineer Gap

The Gist

• FDE job postings surged 12x in 2025 as AI companies shift to proactive deployment models.
• CSMs focus on relationships and retention, while FDEs require deep technical and deployment expertise.
• Retraining CSMs into FDEs takes longer than most companies expect, leading to failed transitions.

• Customer Success Managers (CSMs) cannot effectively fill the role of Forward-Deployed Engineers (FDEs) due to differing skill sets and job functions.
• FDE job postings increased 12x in a single year, indicating a structural shift in how AI companies operate.
• FDE work is proactive, technical, and optimized for deployment, whereas CS work is reactive and relationship-driven, optimized for retention.
• AI-native companies with heavy Day 1 investment in FDEs see faster expansion and lower churn compared to traditional SaaS companies.
• Even with automation, human FDEs are still required in the deployment loop, as evidenced by Palantir's 90% reduction in deployment times.
• Retraining CSMs into FDEs is often less effective than hiring purpose-built FDEs due to the rarity of transferable skills.

• Hire purpose-built FDEs instead of retraining CSMs to fill the gap.
• Embed FDEs with top 3–5 customers to document and systematize the implementation process before scaling.
• Invest heavily in FDEs early to achieve faster time-to-value, lower churn, and higher expansion rates.
• Avoid repurposing CSMs as FDEs to prevent frustration and loss of relationship coverage.

• 12x increase (FDE job postings in a single year according to ICONIQ's 2025 GTM survey.)
• 30–60+ days (Time required for a single customer deployment by an FDE.)
• 40% less ongoing support (Required by customers after month 3 for AI-native companies with heavy FDE investment.)
• 90% reduction (In deployment times achieved by Palantir using FDEs and automation.)