# Field CTO – Mainframe Modernization at Blitzy

- Company: Blitzy
- What the company does: Blitzy: Build enterprise software in days with our autonomous AI platform. Automate up to 80% of development. Infinite code context. Accelerate your roadmap by 5x. Backed by Battery.
- Company website: https://blitzy.com/
- Type: Startups
- Level: Mid level
- Location: Cambridge, MA
- Work setup: On-site
- Pay: $250K to $350K base salary per year (USD)
- Posted: 2026-10-16
- Apply by: 2026-11-30
- Apply: https://jobs.ashbyhq.com/blitzy/075168cd-d99b-4a93-a346-a873155e9b12?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/blitzy-field-cto-mainframe-modernization/

## About the role

Blitzy is looking for an exceptional Field CTO with deep mainframe expertise to help solve one of enterprise technology’s hardest problems: making decades of mission-critical software understandable, transformable, and ultimately capable of continuous evolution. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Deep, hands-on knowledge of IBM Z and z/OS, including technologies such as CICS, Db2, IMS, JCL, VSAM, Parallel Sysplex, RACF, MQ, and batch scheduling, with particular depth in several of these areas
- Demonstrated ability to reason about complex mainframe application behavior, data dependencies, transaction integrity, concurrency, recovery, and security—not simply COBOL syntax or hardware
- Strong understanding of modern distributed systems, cloud architectures, and enterprise modernization, including tradeoffs involved in translating mainframe behavior into modern environments
- Experience solving difficult technical problems in mission-critical enterprise systems and turning insights into practical modernization plans
- Ability to earn the confidence of experienced systems engineers and senior technology executives alike
- Passion for technology, customer outcomes, building better solutions, and learning about AI and autonomous software engineering

Tags: Sales

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/blitzy-field-cto-mainframe-modernization/