Platform Engineer

A Typical Day

We’re looking for an experienced, forward-thinking engineer to strengthen our Platform Engineering capabilities across AWS and Windows/Linux environments. In this role, you’ll drive the design and evolution of scalable, secure, and automated infrastructure to support our Infrastructure and Application stack. You’ll work closely with diverse technology teams to streamline CI/CD pipelines, embed security best practices, and champion infrastructure-as-code. If you’re passionate about automation, cloud-native patterns, and making systems run smarter and faster, we want to hear from you.

The Platform Engineer will:

• Design, implement, and manage scalable and resilient infrastructure on AWS.
• Architect and maintain Windows/Linux based environments, ensuring seamless integration with cloud platforms.
• Develop and maintain infrastructure-as-code (IaC) using Terraform (Open Tofu) and AWS Cloud Formation/CDK.
• Develop and maintain Configuration Management for Windows servers using Chef.
• Design, build, and optimize CI/CD pipelines using Git Lab CI/CD for .NET applications.
• Implement and enforce security best practices across the infrastructure and deployment processes.
• Collaborate closely with development teams to understand their needs and provide Platform expertise.
• Troubleshoot and resolve infrastructure and application deployment issues.
• Implement and manage monitoring and logging solutions to ensure system visibility and proactive issue detection.
• Clearly and concisely contribute to the development and documentation of Platform Engineering standards and best practices.
• Stay up-to-date with the latest industry trends and technologies in cloud computing, Platform Engineering, and security.
• Provide mentorship and guidance to junior team members.

Required Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience).
• 3+ years of experience in a Platform Engineer, Dev Ops or Site Reliability Engineering (SRE) role.
• Extensive hands-on experience with Amazon Web Services (AWS).
• Solid understanding of Windows/Linux Server administration and integration with cloud environments.
• Proven experience with infrastructure-as-code (IaC) tools, specifically Terraform (Open Tofu) and AWS CDK.
• Strong experience designing and implementing CI/CD pipelines using Git Lab CI/CD.
• Experience deploying and managing .NET applications in cloud environments.
• Deep understanding of security best practices and their implementation in cloud infrastructure and CI/CD pipelines.
• Solid understanding of networking principles (TCP/IP, DNS, load balancing, firewalls) in cloud environments.
• Experience with monitoring and logging tools (e.g., New Relic, Cloud Watch, Cloud Logging, Prometheus).
• Strong scripting skills (e.g., Python, Ruby, Power Shell, Bash).
• Excellent problem-solving and troubleshooting skills.
• Strong communication and collaboration skills.

Preferred Qualifications

• Experience with containerization & orchestration technologies (e.g., Docker, Kubernetes) is a plus.
• Relevant AWS and/or GCP certifications are a plus.
• Strong background with AWS EC2 features and Services (Autoscaling and Warm Pools).
• Experience with the configuration management tool Chef.
• Understanding of Windows server Build process using tools like Chocolaty for packages and Packer for AMI/Image generation.
• Solid experience with the Windows server operating system and server tools such as IIS.

As one of the top mortgage lenders in the country, Pennymac has helped over 4 million lifetime homeowners achieve and sustain their aspirations of home. Our vision is to be the most trusted partner for home. Together, 4,000 Pennymac team members across the country are guided by our core values: to be Accountable, Reliable and Ethical in all that we do.

Pennymac is committed to conducting a business that makes positive contributions and promotes long-term sustainable growth and to fostering an equitable and inclusive environment, where all employees and customers feel valued, respected and supported.

Benefits That Bring It Home: Whether you're looking for flexible benefits for today, setting up short-term goals…