Principal Cloud Infrastructure Engineer - Platform McKinsey

Do you want to work on complex and pressing challenges—the kind that bring together curious, ambitious, and determined leaders who strive to become better every day? If this sounds like you, you’ve come to the right place.

Your Impact

You will collaborate with other platform engineering teams, designers, and product experts across the globe to build secure, scalable, and high-performing cloud platforms that underpin McKinsey’s client service, practices, and domains in delivering distinctive, tech-enabled impact.

As a Cloud Infrastructure Engineer, you’ll architect, implement, and optimize cloud-native infrastructure across AWS, Azure, and GCP that enable McKinsey’s global technology ecosystem.  

You will design and build resilient systems that power McKinsey’s internal platforms focusing on scalability, observability, and operational excellence. You’ll partner closely with product teams, cloud vendors, and internal stakeholders to deliver infrastructure that meets the firm’s stringent standards for performance, security, and compliance. 

You will serve as a senior individual contributor, advising on best practices in cloud infrastructure, mentoring junior colleagues, and collaborating globally to shape McKinsey’s approach to platform engineering. 

You will also apply and champion AI-assisted development and infrastructure management practices by leveraging AI tools for configuration, development, testing, and documentation to enhance productivity, quality, and engineering efficiency across teams. 

Your responsibilities include, but are not limited to: Designing, deploying, and maintaining multi-cloud infrastructure and core services supporting Platform McKinsey applications 

Driving architectural decision-making, documenting designs in Architecture Decision Records (ADRs), and ensuring alignment with firm-wide engineering standards 

Implementing infrastructure-as-code (IaC) using tools such as Terraform, managing and optimizing container orchestration platforms (Kubernetes, Serverless)  

Collaborating with software engineers and DevOps teams to automate CI/CD pipelines and ensure smooth deployments across environments 

Applying DevSecOps principles to enhance security, observability, and reliability of production systems 

Working with cloud vendors and internal product teams to evaluate new services, features, and integration opportunities 

Leading initiatives to improve developer experience, including self-service tools, automation frameworks, and infrastructure blueprints 

Providing mentorship and guidance to junior engineers across global locations

Your Growth

You are someone who thrives in a high-performance environment, bringing a growth mindset and entrepreneurial spirit to tackle meaningful challenges that have a real impact.

In return for your drive, determination, and curiosity, we’ll provide the resources, mentorship, and opportunities to help you quickly broaden your expertise, grow into a well-rounded professional, and contribute to work that truly makes a difference.

When you join us, you will have:

• Continuous learning: Our learning and apprenticeship culture, backed by structured programs, is all about helping you grow while creating an environment where feedback is clear, actionable, and focused on your development. The real magic happens when you take the input from others to heart and embrace the fast-paced learning experience, owning your journey.
• A voice that matters: From day one, we value your ideas and contributions. You’ll make a tangible impact by offering innovative ideas and practical solutions, all while upholding our unwavering commitment to ethics and integrity. We not only encourage diverse perspectives, but they are critical in driving us toward the best possible outcomes.
• Global community: With colleagues across 65+ countries and over 100 different nationalities, our firm’s diversity fuels creativity and helps us come up with the best solutions. Plus, you’ll have the opportunity to learn from exceptional colleagues with diverse backgrounds and experiences.
• Exceptional benefits: In addition to a competitive salary (based on your location, experience, and skills), we offer a comprehensive benefits package, including medical, dental, mental health, and vision coverage for you, your spouse/partner, and children.

Your qualifications and skills

• 10+ years of experience in IT infrastructure, cloud engineering, or DevOps 
• Experience in Cloud infrastructure development, support and optimization strategies (AWS, Azure, Google Cloud, etc.)  
• Strong experience with Docker, Kubernetes, serverless and other application runtime platforms, Terraform and other infrastructure automation tools 
• Experience with CI/CD pipelines (GitHub Actions, Azure DevOps, Terraform Cloud) and security tools (Sonarqube, Wiz, Gitguardian)
• Familiarity with networking, identity and access management, and security best practices across cloud environments
• Experience in technology planning and designing scalable cloud architecture
• Awareness and practical experience of GenAI concepts and ways of working: agents, MCP, A2A, development tools (Cursor, Claude Code, GitHub Copilot)
• Demonstrated ability to navigate ambiguity, identify clear options, and drive consensus on a path forward 
• Ownership mindset: proactive, strategic, and hands-on in leading by example
• Strong interpersonal and communication skills; ability to work effectively with senior stakeholders and cross-functional teams globally
• Proficiency in English, both verbal and written