We’re Growing Our Cloud Dream Team!

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As part of our international Principal Engineers team, you’ll craft tailor-made solutions that wow our clients. We’re hunting for a passionate Principal Cloud Engineer with a solid technical background. Your mission is not just to build infrastructure — but to

design, evolve and scale cloud-native and AI-driven platforms

that are secure, resilient, and production-ready.
This role is for engineers who enjoy

owning architecture decisions

, working close to product and AI teams, and pushing cloud platforms to the next level.
Here’s the deal:
You'll tackle the unique challenges of cloud infrastructure, working alongside a team of brilliant minds to build scalable and reliable solutions.
You’ll dive into cutting-edge projects using the latest tech to push boundaries and make an impact.
Whether you prefer working from home or vibing with us at our offices, the choice is yours.
AGILE isn’t just a buzzword here — it’s how we roll. Multidisciplinary teams? Check. Full ownership of projects? Double check.
You will be responsible for:
Design and lead cloud architectures on Azure

, covering networking, security, governance, IaaS, PaaS and serverless solutions.
Ensure the

technical quality of proposals,

RFP responses and solution definitions within the discipline.
Own the

shared knowledge strategy of the Chapters

, ensuring relevant content, documentation and best practices are available.
Lead the mentoring framework

within the Chapter, enabling senior engineers to guide practitioners at all levels.
Helps to

identify strong technical talent

across the company that aligns with the discipline.
Identify emerging trends and opportunities, validating new services, accelerators and reusable assets.
Own the infrastructure of AI-powered platforms

, including conversational AI systems with: Retrieval-Augmented Generation (RAG), Document ingestion, processing and vector search and Integration with LLM providers and AI services.
Build and evolve CI/CD pipelines

for both application and infrastructure, following DevSecOps best practices.
Develop Infrastructure as Code

(Terraform) with a strong focus on reusability, scalability and maintainability.
Design and operate production-grade environments

, ensuring: High availability and performance, monitoring, logging and observability and cost optimization and reliability
Collaborate closely with AI,



data and software teams

to productionize ML/LLM solutions (MLOps mindset). Actively

propose improvements and new technical approaches

, contributing to architectural decisions and technical roadmaps.
Work in

Agile, autonomous, multidisciplinary teams

, with real ownership from design to production.
Strong experience with Microsoft Azure

in real production environments.
8+ years of hands-on experience

in Cloud / Platform Engineering roles.
Ability to

engage with clients

, understand their needs, and design

technical proposals

tailored to business goals.
Experience in

technical presales

, including demos, solutioning, and proposal writing.
Capable of leading projects independently and mentoring other engineers.
Proven experience designing and implementing

IaaS, PaaS and cloud-native architectures

.
Solid knowledge of

networking, security and governance models

in cloud environments.
Experience with Azure DevOps (Repos, Pipelines) or similar and CI/CD practices.
Strong background in

Infrastructure as Code (Terraform)

.
Experience monitoring and operating

high-traffic, production web platforms

.
Familiarity with

AI/ML or LLM-based platforms

in production environments.
Comfortable working with

Agile methodologies

, Jira and Confluence.
Fluent English (mandatory)

— you’ll work daily with international teams and clients.
Very nice to have:
Experience in

hybrid and multi-cloud environments

(AWS / GCP).
Kubernetes

and container orchestration knowledge.
Experience with

GitHub

and GitHub Actions.
MLOps practices

(model lifecycle, deployment, monitoring, retraining).
Scripting skills (PowerShell, Bash, Python).
Software development background (Python, Go, .NET or similar).
Experience with

observability tools

(Azure Monitor, App Insights, Prometheus, Grafana, etc.).
A proactive mindset: autonomy, technical leadership and continuous improvement.
Salary determined by the market and your experience
Flexible schedule 35 Hours / Week
Fully remote work (optional)
Versátil compensation (restaurant, transport, and childcare)
Fully free health insurance,



with a co-payment for dental services
Individual budget for training or equipment and free Microsoft certifications
English lessons
Birthday day off
Monthly bonus for electricity and Internet expenses at home
Discount on gym plan and sports activities
Plain Camp (annual team-building event)
Extra perks: events attendance and speakers, welcome pack, baby basket, Christmas basket, discount portal for employees The pleasure of always working with the latest technological tools!
Will you let us know you better?
The selection process: Simple, just 3 steps.
Phone screen
2 interviews with the team
What is Plain Concepts?
Plain Concepts is a global company of over 500 people passionate about technology and innovation. Since our founding, we have grown through technical proficiency and confidence in ideas that others might consider risky, creating custom solutions for our clients. With offices in more than 6 countries, our mission is to continue to drive cuttingedge projects around the world.
We are highly committed to technical excellence. We are known for developing highly customized projects, offering specialized technical consultancy and training.
Thanks to the great work of our technicians, we have been recognized for our ability to lead innovative projects that generate value, from artificial intelligence to blockchain, driving solutions that help companies optimize their performance.
What we do at Plain Concepts?
We pride ourselves on being a 100% technical team, dedicated to crafting custom projects from scratch, offering expert technical consultancy, and providing top-tier training.
Our approach goes beyond traditional outsourcing; we focus on creating value together with our clients.
Our teams are diverse and multidisciplinary, operating in a flat, collaborative structure.
We live and breathe AGILE principles, ensuring flexibility and efficiency in everything we do.
Knowledge-sharing is at our core: from supporting each other internally to contributing to the broader tech community through conferences, events, and talks.
Innovation drives us — even the boldest ideas are welcome here.
Transparency underpins all our relationships, fostering trust and long-term partnerships.
Want to learn more?
Check out our website! xqbhyrx
At Plain Concepts, we certainly seek to provide equal opportunities. We want diverse applicants regardless of race, colour, gender, religion, national origin, citizenship, disability, age, sexual orientation, or any other characteristic protected by law.

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📌 Principal Cloud Engineer (Madrid)
🏢 Plain Concepts
📍 Madrid