Platform Engineer; AWS​/Infra-as-Code

Overview

We are looking for a mid–senior Platform Engineer to support our Iron Gate 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.

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 Iron Gate 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 Iron Gate data pipeline.

• Collaborate closely with the Iron Gate product team (developers and product owners) to understand requirements and translate them into robust platform solutions.

Required Qualifications

• 6+ years of experience as a Platform Engineer, Dev Ops 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 Git Hub Actions, Git Lab CI, AWSCodePipeline, Jenkins, or similar.

• Experience with
  Infrastructure-as-Code
  tools (e.g., Terraform, AWS Cloud Formation, AWS CDK).

• Experience applying
  security best practices
  in cloud environments.

• Experience setting up
  monitoring and logging
  (e.g., Cloud Watch 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 Gov Cloud or environments governed by FedRAMP or DoD requirements.

• Experience with
  AWS Transfer Family
  and
  AWSData Sync .

• 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.

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.

US-Remote