Lead Cloud & Platform Architect

Momnt Technologies, Inc.; Sandy Springs (GA); Hybrid; USD 150,000 - 230,000; Full time

Job summary

Momnt Technologies, Inc. is seeking a Lead Cloud & Platform Architect in a hybrid role based in Sandy Springs, GA (onsite 2 days/week) or Chicago, IL.

You will own and operate the cloud platform, driving IaC, security, and cost governance while leading modernization efforts across microservices, serverless, and containers. You will directly build and maintain CI/CD pipelines, observability stacks, and platform tooling, ensuring reliability with defined SLAs, DR plans, and strong incident

Qualifications

• 5+ years of hands-on cloud/platform experience.
• Expertise with AWS CDK to build production infra.
• Experience with multi-account AWS environments and IAM governance.
• Experience with ECS/EKS, Lambda, EventBridge, and event-driven architectures.
• Proven CI/CD automation and internal platform tooling.
• Strong incident response, DR planning, and SLA ownership.
• Terraform experience preferred.

Responsibilities

• Design and implement scalable, secure AWS infrastructure with IaC.
• Lead platform modernization via microservices, serverless, and containers.
• Oversee multi-account landing zones, IAM governance, and network design.
• Build and maintain CI/CD pipelines, observability, and deployment frameworks.
• Own SLAs, uptime targets, and post-mortems.
• Define DR strategies, RTO/RPO targets, and testing cadences.
• Enforce security controls (IAM, encryption, SOC2) and FinOps.
• Manage day-to-day AWS administration (VPCs, backups, monitoring).

Skills

Cloud engineering

AWS CDK

AWS core services

Serverless / ECS / EKS

CI/CD

SRE / incident response

Terraform

Tools

Terraform

Job description

Momnt is an expanding financial technology company specializing in embedded lending and point-of-need consumer financing based in Sandy Springs, GA. We are transforming how merchants provide financing to their customers with our embedded lending platform. Our platform delivers a seamless digital experience that makes financing simple, fast, and affordable, connecting high-quality lenders with merchants, primarily in the home improvement sector, to empower consumers to pay for the things they need.

The Lead Cloud & Platform Architect is responsible for designing, implementing, and directly operating the company's cloud and platform infrastructure. This is a true hands-on execution and leadership role that balances strategic cloud architecture with daily code deployment, platform ownership, SLAs, reliability, DR, security, and cost governance.

Our infrastructure is primarily managed through AWS CDK, so deep, hands-on expertise building and maintaining infrastructure with AWS CDK is strictly required. You won't just advise from the sidelines—you will actively build, secure, automate, and scale the systems supporting our platform while working closely with engineering leaders and developers.

Location:

• Hybrid | Sandy Springs, GA OR Chicago, IL. Must be on-site in our Sandy Springs or Chicgo office a minimum of 2 days per week for direct team collaboration. Relocation assistance is not available.
• Must be authorized to work in the U.S. (Sponsorship and Corp-to-Corp arrangements are not available).

Key Responsibilities as our Lead Cloud & Platform Architect, you will:

• Architect and write infrastructure-as-code for scalable, secure, and cost-efficient 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.
• Directly build, own, and maintain platform components, including CI/CD pipelines, shared services, deployment frameworks, and observability stacks.
• Own platform SLAs, uptime targets, performance baselines, root cause analysis/post-mortems, and overall operational reliability.
• Define, test, and maintain DR strategies, including failover design, RTO/RPO targets, and continuous DR testing cadences.
• Implement and enforce platform security (IAM, secrets management, encryption, SOC2 controls) and manage cloud spending/optimization (FinOps).
• Manage day-to-day AWS administration (VPCs, routing, backups, patching, CloudWatch/Datadog monitoring).

What Makes You a Great Fit

• 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.
• Experience with Terraform is strongly preferred for potential future integration.

Preferred Skills & Qualifications

• AWS Certified Solutions Architect - Professional.
• Experience establishing internal developer platforms or "golden path" deployment patterns.
• Direct experience with SOC2 compliance frameworks and automated security tooling.
• Strong background in FinOps, budget enforcement, and cloud cost management.