# In Multi-Vendor Projects, a Unified DevOps Process Isn't a Nice-to-Have

- Published: 2024-01-12 · Category: DevOps

I've led several multi-vendor collaboration projects, and the biggest takeaway is this: once each vendor's DevOps process diverges, collaboration costs balloon exponentially. Development, testing, deployment — every stage operates in its own silo, and the delivery cadence falls completely out of sync. So my judgment is clear: in a multi-vendor environment, a unified DevOps process isn't a nice-to-have; it's the baseline.

### What "Unified" Actually Means to Me

A lot of people hear "unified DevOps process" and immediately think of a unified toolchain. That's not what it's about. From my experience, the core of unification is spelling out every stage of the process: from code commit to build, test, deploy, and rollback — the inputs, outputs, responsibility boundaries, and acceptance criteria for each step must be documented in black and white. If a vendor can pick up that document and follow it, then you've achieved unification. Tools can vary, but the process skeleton must be consistent.

### The Four Steps I Actually Implemented

- **Lock down the process first.** What happens at each stage — development, testing, deployment — who does it, and what "done" looks like, all laid out explicitly. I typically require a clear "Definition of Done" for every stage. No room for ambiguity.
- **Tools follow the process, not the other way around.** I recommend tools and platforms that fit the process, but the prerequisite is that the vendor's existing tech stack can actually integrate. Forcing a toolset in will tank execution rates.
- **Don't treat training as a formality.** I've been burned before: documents were sent out, the vendor said "received," and then everything fell apart in practice. I switched to small-batch hands-on drills, and the results were completely different.
- **Close the loop with monitoring and feedback.** Rolling out the process isn't the end. I collect friction points from each vendor every iteration cycle — what can be fixed gets fixed immediately, and what can't goes into the backlog for the next round.

Vendors vary widely in size and technical maturity, so the same process document feels very different to a small team versus a large enterprise — the documentation needs to be layered accordingly. Tech-stack compatibility is a hard constraint; when choosing tools, flexibility matters far more than "cutting-edge." And the communication mechanism must be built into the process, not bolted on from the outside. I typically require each vendor to designate a process liaison, with weekly sync meetings, so information doesn't get lost in the middle.

At the end of the day, unifying the DevOps process is only surface-level on the technical side. What it truly changes is the way we collaborate — everyone finally speaks the same language.

## References

- AWS DevOps
- Building an AWS DevOps CodePipeline: Constructing an Efficient, Automated Deployment Pipeline
- Achieving Seamless Integration Between GitLab and AWS CodeCommit
- A Journey Through DevOps: The Harmonized Fusion of Automated Operations, Governance, and Operations