Platform Engineer (AWS / Infra-as-Code)

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. 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

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LMI is an Equal Opportunity Employer. LMI is committed to the fair treatment of all and to our policy of providing applicants and employees with equal employment opportunities. LMI recruits, hires, trains, and promotes people without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, pregnancy, disability, age, protected veteran status, citizenship status, genetic information, or any other characteristic protected by applicable federal, state, or local law. If you are a person with a disability needing assistance with the application process, please contact
Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

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