AWS Platform Engineer Principal

Job Summary:

Leads the design, deployment, and optimization of systems and infrastructure solutions. Ensures system performance, scalability, and security through proactive monitoring, capacity planning, and automation. Provides troubleshooting for critical incidents, mentors junior engineers, and partners with cross-functional teams to deliver robust and resilient infrastructure solutions. Leads performance tuning, troubleshooting, automation and support of critical business systems.

Key Responsibilities:

Designs and implements robust automation solutions to streamline infrastructure provisioning, monitoring, and configuration management. Leads the creation and review of detailed technical documentation, including system architectures, integration workflows, and infrastructure designs. Leads the development of system and infrastructure specifications. Participates in design, cybersecurity and code reviews to ensure solutions comply with architectural standards, security principles, and performance expectations. Collaborates with cross-functional teams to ensure seamless integration, deployment and compatibility with existing infrastructure. Analyzes system vulnerabilities and leads implementation of enhancements to strengthen resilience. Collaborates with security and infrastructure teams to ensure compliance and optimal recovery objectives (RTO/RPO). Manages system performance and reliability through continuous monitoring, capacity planning, and performance tuning. Proactively monitors system health, performance trends, and utilization metrics to identify opportunities for optimization, enhance performance, and improve the efficiency of business processes. Leads the resolution of complex infrastructure and system issues across multiple environments. Leads performance monitoring and capacity planning efforts across multiple systems or platforms. Partners closely with vendors and cross-functional teams to plan and execute complex integrations.Cummins is an equal opportunity employer. Our policy is to provide equal employment opportunities to all qualified persons without regard to race, sex, color, disability, national origin, age, religion, union affiliation, sexual orientation, veteran status, citizenship, gender identity, or other status protected by law.Competencies: Security & Compliance Principles - Applies standards, tools, and best practices to embed security, privacy, and compliance into the design/build/test/operate lifecycle for products, services, apps, systems, software, and configurations-balancing protection, efficiency, and cost. Programming Principles - Applies programming languages, frameworks, and patterns to design, write, configure, test, and maintain software/solutions/systems that are efficient, secure, scalable, and reliable. Data Principles - Governs, models, secures, implements, and observes data flows to ensure integrity, quality, and compliance-enabling trusted, scalable, cost-conscious data use. Modern Development Practices - Applies modern engineering practices and tools-such as Agile/DevSecOps, CI/CD, automated testing, and infrastructure as code-to accelerate delivery, improve quality, and reduce risk across the SDLC. Solution Design - Translate business requirements into integrated designs, architectures, patterns, and system interactions that deliver customer value and align with enterprise standards and subject-matter platforms. System Architecture- Creates and evolves architecture system blueprints developing reusable patterns and roadmaps to ensure scalability, resilience, security, and long-term efficiency. Demonstrating Mastery - Maintains essential knowledge and proficiency in relevant domains, tools, technologies, methodologies, or frameworks through targeted credentials and rigorous proficiency, future-proofing organizational skills against strategic needs. Strategic and Innovative Thinking - Evaluates business and technology trends, anticipates future needs, develops creative approaches, and frames innovations to shape strategy and create durable value with cost-aware innovation. Technical Passion & Drive - Models curiosity and excitement for technology by self-initiating continuous development, experimenting with emerging technologies, and identifying insertion opportunities that accelerate business performance. Driving Effective Outcomes - Takes ownership, acts with urgency, and initiates action to turn goals into clear plans, decisions, guardrails, and cadences while navigating ambiguity and change to drive momentum and deliver consistent results. Engaging with Impact - Communicates with clarity and purpose to align stakeholders, foster collaboration, build trust, and influence coordinated action across teams and functions to accelerate outcomes. Values Differences - Recognizing the value that different perspectives and cultures bring to an organization. Ensuring Customer Success - Embraces a customer-first mindset to deliver outcomes by linking customer needs and business priorities to aligned solutions, delivery, adoption, satisfaction, and realized value through sustained engagement that builds partnership and trust. Education, Licenses, Certifications: College, university, or equivalent degree in Computer Science, Information Technology, Business, or related subject, or relevant equivalent experience required. This position may require licensing for compliance with export controls or sanctions regulations. Experience: Significant relevant experience required. 5-7 years of experience.

L3+ AWS Platform Lead (7-9 Years Experience)

Role Overview
An experienced AWS Platform Lead with 7-9 years of hands-on expertise in automation using Terraform and CloudFormation, resource deployment through GitHub CI/CD, and strong platform governance. This role involves guiding teams on technical solution design, deployment feasibility, and supporting application teams by translating requirements into scalable AWS solutions. The engineer will also manage backlog prioritization, feature delivery, and ensure compliance with AWS governance and security standards.

Key Responsibilities

• Platform Automation & Deployment
  • Design, automate, and deploy AWS resources using CI/CD pipelines.
  • Guide the team on technical solution design and deployment feasibility.
  • Collaborate with application teams to understand technical requirements and deliver solutions.
• Backlog & Governance
  • Prioritize backlog items, feature stories, and platform enhancements in Jira.
  • Ensure platform foundation governance, compliance, and security alignment.
• Operations & Troubleshooting
  • Provide L3+ support during major incidents, guiding teams on root cause analysis and resolution.
  • Lead troubleshooting across complex infrastructure, networking, and application integrations.

Core Skills & Expertise

• AWS Services: EC2, S3, IAM, VPC, Lambda, CloudFormation, RDS, CloudWatch, CloudTrail
• Networking & Security: VPC design, Security Groups, NACLs, Route 53, Transit Gateway, IAM policies, KMS, Secrets Manager, GuardDuty, Security Hub
• Monitoring & Logging: CloudWatch (metrics, logs, alarms), X-Ray, ELK Stack, Prometheus + Grafana
• Automation & Scripting: Terraform, AWS CloudFormation, CDK, Python, AWS CLI & SDKs (Boto3)
• CI/CD Pipelines: GitHub Actions, AWS CodePipeline, CodeBuild, Jenkins, GitLab CI
• Containers & Orchestration: Fundamentals of ECS, Fargate, EKS, Docker, Helm
• Cost Optimization: AWS Budgets, Cost Explorer, Trusted Advisor, tagging governance
• DevSecOps & Compliance: Well-Architected Framework, CIS Benchmarks, SCPs, security best practices
• Collaboration & Documentation: Agile methodologies, Jira, Confluence, architectural diagrams, runbooks