Senior Platform Engineer, L3

Citrine Informatics

Senior Infrastructure/Platform Engineer at Citrine Informatics shaping scalable cloud infrastructure for AI-driven sustainable materials. Contributing to cloud infrastructure in AWS, Kubernetes, and CI/CD.

Posted 7/28/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $165,000 - $185,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and managing cloud infrastructure in AWS, with a strong focus on automation, scalability, and security. Proficient in implementing CI/CD pipelines and observability solutions, particularly using Terraform, Kubernetes, and Datadog.

Highest-signal resume keywords

AWS Infrastructure ManagementTerraform ExpertiseKubernetes AdministrationCI/CD Pipeline ImplementationObservability with Datadog

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Infrastructure as CodeCloudFormationContainerizationImage Optimization TechniquesGitHub ActionsJenkinsArgoCDRoot-Cause AnalysisTechnical PlanningContinuous Improvement

Soft Skills

CollaborationProblem-SolvingAdaptability

Tools & Technologies

AWSTerraformKubernetesDatadogGitHub ActionsJenkinsArgoCD

Industry Keywords

Infrastructure EngineeringPlatform EngineeringDevOpsSite Reliability EngineeringProduction Environments

Tech Stack

Tools & technologies

AWSCloudJenkinsKubernetesTerraform

About the role

Key responsibilities & impact

Design, implement, and maintain cloud infrastructure in AWS with attention to scalability, reliability, security, and automation
Manage infrastructure using Infrastructure as Code, including hands-on work with Terraform and experience with CloudFormation
Deploy, administer, and maintain Kubernetes clusters in production environments
Improve platform tooling, deployment workflows, and operational practices that support engineering teams and production systems
Implement and manage observability and monitoring solutions, ideally including experience with Datadog, across metrics, logging, alerting, and incident response
Work with containerized systems and deployment workflows, including image build pipelines and optimization techniques
Create and maintain CI/CD pipelines, including required experience with GitHub Actions; experience with Jenkins and/or ArgoCD is a plus
Partner with teammates across engineering to identify needs, evaluate options, and deliver practical infrastructure and platform solutions
Investigate platform and infrastructure issues, support root-cause analysis, and contribute to sustainable improvements
Participate in technical planning, architecture discussions, and continuous improvement efforts across the platform engineering function

Requirements

What you’ll need

Experience in infrastructure engineering, platform engineering, DevOps, or site reliability engineering roles
Hands-on experience working in AWS production environments, preferably experience using CloudFormation
Meaningful hands-on expertise with Terraform, including writing and managing infrastructure beyond basic exposure
Experience implementing observability and monitoring practices, preferably with Datadog
Production experience with Kubernetes administration and deployment, including cluster deployment, configuration, and maintenance
Experience with container build and deployment systems, including image optimization techniques such as layer management and efficient build strategies
Experience implementing and managing CI/CD pipelines, especially with GitHub Actions
Comfort working through technical challenges in environments where priorities and requirements may continue to evolve

Benefits

Comp & perks

401k with matching up to 4%
Medical, vision, dental insurance (we pay 100% of your premium and 75% of your dependents)
Company-paid Life and Disability insurance
FSA and HSA plans
Equity options within the company
12 weeks of paid parental leave
Flexible PTO on top of our 15 paid company holidays (includes your birthday!)
Free financial counseling
$600 tech allowance
Monthly $75 phone reimbursement
$5,000 annual continuing educational allowance