Principal Software Engineer

Appian is seeking a Principal Software Engineer with expertise in AWS and Infrastructure as Code to design, build, and scale highly reliable cloud platforms. The role will involve defining infrastructure architecture, driving automation-first practices, and mentoring engineers while delivering secure, scalable, and cost-effective cloud solutions.

Requirements

• Technical Leadership
• Design and own cloud infrastructure architectures on AWS using Infrastructure as Code
• Lead the development of reusable, versioned IaC modules and frameworks
• Build and maintain infrastructure using tools such as: Terraform / CloudFormation / CDK Ansible (where applicable)
• Implement CI/CD pipelines for infrastructure provisioning and change management
• Drive immutable infrastructure and automated environment lifecycle management
• Define best practices for scalability, availability, security, and cost optimization
• Review architecture designs and code to ensure high quality and long-term maintainability
• Infrastructure as Code & Automation
• Enable self-service provisioning for internal teams
• AWS Expertise
• Deep hands-on experience with AWS services including: Compute, Networking, Storage, Security
• Design secure, compliant environments following least privilege and defense-in-depth principles
• Preferred Qualifications
• Experience with Kubernetes (EKS) and containerized workloads
• Familiarity with GitOps workflows
• Experience supporting regulated environments (SOC2, FedRAMP, HIPAA, etc.)
• Strong understanding of cost optimization and cloud economics
• Prior experience in platform engineering or developer enablement teams

Benefits

• health coverage
• Employee Assistance Program (EAP) with free mental health support
• life and disability insurance
• Employee Stock Purchase Program (ESPP)
• retirement/pension plan
• wellness dollars
• tuition reimbursement
• family-forming benefits