Senior Cloud & Platform Architect - AWS CDK & FinOps

Momnt; Sandy Springs (GA); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Momnt is seeking a Lead Cloud & Platform Architect to design, implement, and operate our cloud and platform infrastructure in a hands-on leadership role. You will build and secure scalable AWS-based solutions using CDK, drive platform modernization, and own reliability, DR, and security controls.

The role requires 5+ years in cloud/platform engineering, deep AWS expertise, and strong collaboration with engineering leaders.

Qualifications

• 5+ years of hands-on experience in cloud engineering, platform engineering, or cloud architecture.
• Strong hands-on mastery of AWS CDK (TypeScript, Python, or Java) to build and manage production infrastructure.
• Deep technical expertise in AWS core services, VPC design, IAM, security, and multi-account strategies.
• Practical experience working with ECS/EKS, AWS Lambda, EventBridge, and event-driven architectures.
• Proven track record building CI/CD pipelines, automation frameworks, and internal platform tooling.
• Demonstrated ability to directly own operational reliability, incident response, DR, and SLAs in a production environment.

Responsibilities

• Architect and write infrastructure-as-code for scalable and secure AWS solutions across compute, storage, networking, and security.
• Drive platform modernization (microservices, serverless, containers) using AWS CDK as the primary deployment framework.
• Manage multi-account strategy, landing zone design, IAM governance, and network architecture.
• Build, own, and maintain platform components, including CI/CD pipelines, shared services, deployment frameworks, and observability stacks.
• Own platform SLAs, uptime targets, performance baselines, incident response, DR planning, and security controls.

Skills

Cloud engineering

Platform engineering

Cloud architecture

Incident response

Education

AWS Certified Solutions Architect – Professional

Tools

AWS CDK

TypeScript

Python

Java

Terraform

ECS

EKS

Lambda

EventBridge

Datadog

Job description

Momnt is seeking a Lead Cloud & Platform Architect to design, implement, and operate our cloud and platform infrastructure in a hands-on leadership role. You will build and secure scalable AWS-based solutions using CDK, drive platform modernization, and own reliability, DR, and security controls.

The role requires 5+ years in cloud/platform engineering, deep AWS expertise, and strong collaboration with engineering leaders.