Infrastructure Architect

Infrastructure Architect: 
$150K max salary
3 day onsite in Dunwoody Georgia office (Tue, Wed, Thur) 
fulltime with IntelliTrans

TOP Skills set...
Must have deep hands-on AWS DevOps expertise, including Terraform, CloudFormation, and CI/CD pipelines; required AWS Certified DevOps Engineer with 10+ years in infrastructure architecture.
Focus on designing scalable, secure, multi-tenant SaaS infrastructure with tenant isolation, automation, and monitoring; experience with enterprise monitoring tools and multi-cloud is a plus.
Will spend time architecting infrastructure solutions, implementing automation and deployment strategies, ensuring security and compliance, and mentoring engineering teams.
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
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 solutionsMentor 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:
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:
 Experience building/operating SaaS infrastructure at scale
Multi-cloud experience (Azure, Google Cloud Platform)
AWS SaaS Factory program participation
AWS Marketplace seller/ISV experience
Advanced FinOps and infrastructure cost optimization expertise 
 
Skills:
 
AWS Cloud Infrastructure (Expert Level):
 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 management (Cognito, tenant-aware IAM, RBAC)
API Gateway (usage plans, tenant routing, rate limiting, throttling)
Metering, billing, usage tracking, cost allocation tags
Resource pooling, capacity planning, workload management
Well-Architected SaaS Lens implementation CI/CD & Infrastructure Automation
GitLab CI/CD (advanced pipelines, runners, security scanning, artifact management)
AWS Developer Tools (CodePipeline, CodeBuild, CodeDeploy, CodeArtifact)
Containers (Docker, ECS/Fargate, EKS, ECR, Helm charts, Kubernetes operators)
Deployment strategies (blue-green, canary, rolling updates, feature flags)
GitOps practices and infrastructure drift detection
Infrastructure testing frameworks 
Nagios (Core/XI, NRPE, NCPA, custom plugin development)
CloudWatch (Metrics, Logs, Alarms, Dashboards, Synthetics, Insights), X-Ray
Prometheus, Grafana, Managed Prometheus, Managed Grafana
Log management (CloudWatch Logs Insights, OpenSearch Service)
Distributed tracing (X-Ray, OpenTelemetry)
Alerting (SNS, EventBridge, PagerDuty, Opsgenie)
APM tools integration (Datadog, New Relic, Dynatrace)
Tenant-aware monitoring with isolated metrics and dashboards 
Security & Compliance:      IAM policies, roles, SCPs, permission boundaries;  Encryption (KMS, at-rest, in-transit), secrets management, data masking; Zero-trust architectures and least privilege principles
 Compliance frameworks (HIPAA, PCI-DSS, SOC 2, GDPR, ISO 27001)
Security scanning, vulnerability management, AWS Security Hub
Network security (security groups, NACLs, WAF, Shield) Infrastructure Optimization:  Cost optimization (Cost Explorer, Trusted Advisor, Compute Optimizer, Savings Plans, RI, Spot); Performance tuning and capacity planning; High availability and fault tolerance design; Disaster recovery and backup strategies (AWS Backup, cross-region replication); Multi-region and multi-account architectures 
Development & Automation: Scripting (Python, Bash, PowerShell, Go); Git workflows and version control; REST APIs, GraphQL integration; AWS CLI and SDKs (boto3); Configuration management (Ansible, Chef, Puppet - preferred)
 
Competencies Strategic & Technical Leadership:
Strong executive presence communicating complex technical concepts to non-technical stakeholders
Experience managing infrastructure budgets, resource allocation, and vendor relationships
Analytical & Decision-Making: Strong analytical and decision-making under pressure; Data-driven with ability to evaluate infrastructure trade-offs; Detail-oriented with focus on reliability, scalability, and security; Drive to uncover root causes and implement solutions
Passion for building scalable, reliable infrastructure
Business & Customer Focus: 
Understanding of SaaS business models and infrastructure economics; Customer-centric mindset for multi-tenant infrastructure; Balance technical decisions with business value and cost;  Experience with FinOps and infrastructure cost optimization