Platform Engineer (AWS / Infra-as-Code) — Remote (US)

Overview We are looking for a mid–senior Platform Engineer to support our IronGate application, an ETL platform running in AWS. You will be the primary owner of the cloud environment for this product, working closely with the application team to make our platform reliable, secure, and easy to operate. This role is ideal for someone who enjoys building cloud infrastructure, setting up automation, and improving the way engineering teams deliver software. 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. Responsibilities What You’ll Do • Design, build, and maintain  CI/CD pipelines  to automate build, test, and deployment across development, staging, and production. • Build and manage  AWS infrastructure , including S3, IAM, networking, and services that support secure file transfer and data movement. • Move the IronGate platform from manual setups to  Infrastructure-as-Code , so environments are consistent and repeatable. • Implement  security best practices , including access control, encryption, and secure configurations. • Set up and maintain  monitoring, logging, and alerting  so the team has clear visibility into system health and issues. • Work with  PostgreSQL  and other data storage solutions that support the IronGate data pipeline. • Collaborate closely with the IronGate product team (developers and product owners) to understand requirements and translate them into robust platform solutions. Qualifications Required Qualifications • 6+ years of experience as a Platform Engineer, DevOps Engineer, Cloud Engineer, or similar role. • Strong, hands-on experience with  AWS  (e.g., S3, IAM, networking/VPC, security groups). • Experience designing and maintaining  CI/CD pipelines  using tools such as GitHub Actions, GitLab CI, AWS CodePipeline, Jenkins, or similar. • Experience with  Infrastructure-as-Code  tools (e.g., Terraform, AWS CloudFormation, AWS CDK). • Experience applying  security best practices  in cloud environments. • Experience setting up  monitoring and logging  (e.g., CloudWatch or similar tools). • Strong experience with  PostgreSQL  and familiarity with other data storage options. • Comfortable working as the primary platform owner for a product, while collaborating with other technical teams as needed. Preferred Qualifications • Experience working in  regulated cloud environments , such as AWS GovCloud or environments governed by FedRAMP or DoD requirements. • Experience with  AWS Transfer Family  and  AWS DataSync . • Experience with  ETL or data pipeline  workloads. • Experience supporting web application teams (e.g., React/Angular) from an infrastructure and deployment perspective. What This Role Offers • A chance to be the primary platform engineer for a key application. • The opportunity to shape and standardize how we build and run cloud infrastructure. • Close collaboration with a product team delivering real value on top of modern AWS services. Target salary range: $111426.84 - $192890.16 The salary range displayed represents the typical salary range for this position and is not a guarantee of compensation. Individual salaries are determined by various factors including, but not limited to location, internal equity, business considerations, client contract requirements, and candidate qualifications, such as education, experience, skills, and security clearances. #LI-SH1 Applicants must meet eligibility requirements for a U.S. Government security clearance. Only US Citizens are eligible for a security clearance. For this position, LMI will only consider applicants with security clearances or applicants who are eligible for security clearances, due to the nature of the work. Job Locations US-Remote