Senior Infrastructure Engineer, AWS

Capacity

Senior Infrastructure Engineer at Capacity building and evolving AWS cloud platform and Kubernetes infrastructure. Mentoring engineers and optimizing cloud costs effectively across platforms.

Posted 7/28/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $125,000 - $150,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and evolving cloud platforms on AWS, with a strong focus on Kubernetes management, infrastructure as code using Terraform, and network architecture design. Proven ability to lead cloud cost optimization initiatives and mentor engineering teams while ensuring compliance with industry standards.

Highest-signal resume keywords

AWS Cloud InfrastructureKubernetes Management (EKS)Terraform Infrastructure as CodeNetwork Architecture DesignCloud Cost Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

AWS NetworkingAWS ComputeAWS StorageKubernetes (EKS)TerraformHelmGitOps (ArgoCD)Observability ToolingCloud Cost OptimizationCapacity Planning

Soft Skills

Cross-Functional CommunicationMentoring

Tools & Technologies

DatadogGitHub ActionsAWS ALBLinkerdKEDACluster-Autoscaler

Certifications & Qualifications

AWS Solutions ArchitectAWS SysOps Administrator

Industry Keywords

SOC 2ISO 27001HIPAAPCISaaS Engineering

Tech Stack

Tools & technologies

AWSCloudDNSKubernetesMariaDBNode.jsTerraform

About the role

Key responsibilities & impact

Build and evolve Capacity’s cloud platform on AWS, including compute, storage, database (Aurora / MariaDB on RDS), and networking architecture across a multi-account AWS Organization
Provision, operate, and scale Capacity’s Kubernetes platform (EKS): cluster infrastructure, node groups, ingress (AWS ALB), Linkerd service mesh, Helm-based platform components, and autoscaling (KEDA, cluster-autoscaler)
Author and own infrastructure as code using Terraform and Terragrunt; set and maintain standards for how infrastructure is defined, reviewed, and versioned
Design and manage network architecture: VPCs, segmentation, DNS, AWS VPN, and certificate infrastructure
Define and enforce environment provisioning standards across dev, staging, and production
Lead cloud cost optimization and capacity planning; evaluate architectural tradeoffs with cost in mind
Drive design and execution on major platform initiatives (e.g. AWS account consolidation across acquired platforms, network redesign, database migrations, cross-platform standardization)
Mentor infrastructure engineers through code review, pairing, and design guidance
Partner with DevOps at the IaC execution boundary (you write the infrastructure, their pipelines run it)
Partner with Information Security on cloud security posture, network segmentation, and compliance work supporting SOC 2, ISO 27001, HIPAA, and PCI obligations
Author and maintain infrastructure documentation, architecture diagrams, and provisioning standards

Requirements

What you’ll need

5+ years in cloud infrastructure or platform engineering
Deep hands-on experience with AWS, including networking, compute, storage, and IAM
Hands-on experience operating Kubernetes in production (EKS preferred), including cluster networking, ingress, Helm, and autoscaling (KEDA, cluster-autoscaler)
Strong Terraform experience; comfortable owning an IaC codebase at scale
Experience with GitOps deployment tooling (ArgoCD preferred) and CI/CD in GitHub Actions
Solid understanding of network architecture: VPCs, segmentation, DNS, CDN, certificates
Experience with observability tooling and concepts, including metrics, dashboards, monitoring, and alerting (Datadog preferred)
Experience with cloud cost management and capacity planning
AWS certifications (e.g. Solutions Architect, SysOps Administrator) are a big plus
Experience supporting compliance programs (SOC 2, ISO 27001, HIPAA, or PCI) is a plus
A track record of leading infrastructure design work and mentoring other engineers
Strong cross-functional communication; comfortable working across DevOps, Security, and product engineering teams
Experience in a SaaS engineering environment with containerized workloads

Benefits

Comp & perks

Employer-paid health insurance (for you and your eligible dependents)
Company Profit Interest Units eligibility
Unlimited vacation policy
401(k) with a company match
Short term disability insurance
Group life AD&D insurance
A supportive, diverse workplace where we prioritize respect for each other and our clients
A fun and collaborative team culture