Infrastructure Architect - AWS

INFRASTRUCTURE ARCHITECT - AWS

DIRECT HIRE

ATLANTA, GA (Hybrid)

USC/GC - NO SPONSORSHIP PROVIDED

Job Summary

The Infrastructure Architect will lead the strategic design and implementation of enterprise-grade cloud infrastructure solutions on AWS. This senior role architects scalable, secure, and highly available infrastructure supporting multi-tenant SaaS applications, comprehensive monitoring systems, and mission-critical operations. The position requires deep AWS expertise, multi-tenant architecture proficiency, and ability to integrate AWS Marketplace and third-party solutions while delivering robust, cost-effective infrastructure at scale.

Essential Duties and Responsibilities

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• Define infrastructure architecture strategy and roadmap aligned with business objectives
  
• Design scalable, secure AWS infrastructure following Well-Architected Framework and SaaS Lens principles
  
• Architect multi-tenant SaaS infrastructure with tenant isolation, resource segregation, and automated provisioning
  
• Develop production-grade Infrastructure as Code using Terraform, AWS CDK, and CloudFormation
  
• Create reusable, modular infrastructure components and tenant-aware templates
  
• Design CI/CD pipelines using GitLab CI/CD for infrastructure deployment with automated testing and security scanning
  
• Implement deployment strategies (blue-green, canary, rolling) for infrastructure and containerized workloads (ECS/EKS)
  
• Design enterprise monitoring and observability using Nagios, CloudWatch, Prometheus, and Grafana
  
• Establish tenant-aware monitoring with APM, distributed tracing (X-Ray), log aggregation, and intelligent alerting
  
• Architect solutions leveraging AWS Marketplace products for monitoring, security, and infrastructure management
  
• Establish secure integration patterns with third-party SaaS platforms (OAuth, SAML, API gateways)
  
• Design tenant isolation strategies across compute, storage, network, and database layers
  
• Implement metering, usage tracking, and cost allocation systems for multi-tenant environments
  
• Establish tenant tiering (free/standard/premium) with resource quotas, SLAs, and performance isolation
  
• Establish infrastructure standards, governance frameworks, and policy-as-code (Config, SCPs, OPA)
  
• Design disaster recovery, backup strategies, and business continuity procedures
  
• Design multi-account strategies using AWS Organizations, Control Tower, and Landing Zone
  
• Lead technical architecture reviews and recommend optimal AWS infrastructure solutions Mentor engineering teams on AWS best practices, infrastructure patterns, and DevOps practices Lead incident response, post-mortems, and continuous improvement initiatives
  
• Document architectural decisions, infrastructure designs, and operational procedures
  
• Work effectively across global teams and different time zones
  

QUALIFICATIONS AND BACKGROUND

Education Required:

Bachelor's degree in Computer Science or Information Systems Preferred: Master's degree in Computer Science or Information Systems Certifications Required: AWS Certified DevOps Engineer

Professional Experience Required:

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• 10+ years in infrastructure architecture and cloud engineering
  
• Extensive hands-on AWS infrastructure expertise across core services
  
• Deep expertise with Terraform, AWS CDK, and CloudFormation Templates (CFT)
  
• Proven track record architecting production-grade AWS infrastructure for enterprise environments
  
• Expert-level infrastructure CI/CD pipeline design using GitLab CI/CD
  
• Strong proficiency in SaaS infrastructure and multi-tenant design principles
  
• Experience architecting large-scale infrastructure for multi-tenant SaaS platforms
  
• Proven success integrating AWS Marketplace products and third-party SaaS platforms
  
• Experience with enterprise monitoring and observability platforms including Nagios
  

Preferred:

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• Experience building/operating SaaS infrastructure at scale
  
• Multi-cloud experience (Azure, GCP)
  
• AWS SaaS Factory program participation
  
• AWS Marketplace seller/ISV experience
  
• Advanced FinOps and infrastructure cost optimization expertise
  

Skills:

AWS Cloud Infrastructure (Expert Level):

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• Compute: EC2, ECS/Fargate, EKS, Lambda, Auto Scaling, Batch
  
• Storage: S3, EBS, EFS, FSx, Storage Gateway, Backup
  
• Database: RDS, Aurora, DynamoDB, Redshift, ElastiCache, DocumentDB
  
• Networking: VPC, Route 53, CloudFront, API Gateway, Direct Connect, Transit Gateway, PrivateLink VPN
  
• Security: IAM, KMS, Secrets Manager, Cognito, GuardDuty, Security Hub, WAF, Shield, Macie
  
• Management: CloudWatch, CloudTrail, Systems Manager, Config, Control Tower, Organizations, Service Catalog Infrastructure as Code
  
• Terraform (advanced modules, state management, workspaces, complex architectures)
  
• AWS CDK (TypeScript/Python with constructs, patterns, custom resources)
  
• CloudFormation (nested stacks, StackSets, custom resources, drift detection)
  
• Policy-as-code (AWS Config Rules, Service Control Policies, OPA)
  
• Git version control with GitFlow and trunk-based development
  
• SaaS & Multi-Tenant Infrastructure: Tenant isolation patterns (VPC isolation, account-level, database-level, row-level security)
  
• Identity & access manage