Drupal CMS Architect​/Engineer - Clearance Required

Overview

ATIS is seeking an experienced Drupal CMS Architect / Senior Engineer to lead the design, configuration, integration, and operational support of a modern Drupal 11 platform deployed in a cloud-native AWS environment. The ideal candidate will possess deep expertise in Drupal architecture, enterprise authentication, content migration, API integration, and scalable AWS-hosted deployments supporting both public and authenticated user communities.

This role will support modernization efforts involving migration from a legacy CMS platform into Drupal 11 while integrating Drupal into a broader React-based application ecosystem and AWS event-driven architecture.

LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.

Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.

Primary Responsibilities

• Architect, configure, and support Drupal 11 deployments for enterprise-scale usage in AWS Gov Cloud.
• Design and implement highly available, scalable Drupal infrastructure using:
  • Postgre
    
    SQL RDS
  • EFS shared storage
  • S3 object storage integrations
  • Containerized and/or cloud-native deployment patterns
• Configure Drupal 11 for:
  • Public anonymous users
  • Authenticated enterprise users
  • OIDC/OAuth2-based SSO authentication (Okta preferred)
  • Role-based access control and authorization
• Design and implement multi-tenant/community-based Drupal solutions using:
  • Group module
  • Domain Access
  • Drupal multisite architecture
  • Custom permission and content visibility models
• Develop and support Drupal integrations with external systems and APIs.
• Support migration and transformation of content and media assets from Kentico CMS into Drupal 11.
• Design and implement headless or hybrid-headless Drupal patterns supporting React-based front-end portal applications.
• Integrate Drupal workflows with AWS event-driven services including:
  • SNS
  • SQS
  • Event Bridge
  • Lambda
• Support CI/CD automation, infrastructure-as-code, and deployment pipelines.
• Collaborate with UX, React front-end, Dev Ops, cloud engineering, cybersecurity, and product stakeholders.

• Bachelor’s degree in Computer Science, Information Systems, Software Engineering, or related technical field; equivalent combination of education and relevant professional experience may be considered.
• Minimum of 8 years of professional software engineering experience, including at least 5 years designing, developing, and supporting enterprise Drupal solutions.
• Demonstrated experience architecting, deploying, and supporting Drupal 9, 10, or 11 platforms in production cloud environments.
• Strong hands‑on experience with Drupal development technologies including PHP, Composer, Drush, custom module development, configuration management, Twig templating, and site‑building best practices.
• Demonstrated experience designing headless or hybrid-headless Drupal architectures integrated with modern front‑end frameworks such as React
  .
• Experience designing, developing, and integrating RESTful APIs, Graph
  
  QL services, and enterprise system integrations.
• Demonstrated experience designing and supporting applications within Amazon Web Services environments, including services such as RDS, S3, EFS, ECS/EKS, Lambda, Event Bridge, and Cloud Watch.
• Experience implementing enterprise authentication and authorization using OIDC, OAuth2, SAML, and identity providers such as Okta
  .
• Experience designing role‑based access controls, content security models, multi‑tenant architectures, and community‑based permission models.
• Demonstrated experience leading CMS migration…