Platform Engineer - Clearance Required

Overview

LMI, a trusted government contractor with decades of experience delivering cutting-edge solutions, is seeking a driven and innovative Platform Engineer to support the deployment and maintenance of IronSled, a DevSecOps product tailored for government-authorized environments. IronSled accelerates software development and deployment in highly regulated environments by meeting stringent federal security requirements. The product streamlines accreditation processes for secure infrastructure within authorized government networks on cloud or on-premise systems. This position requires and active Secret clearance. This position can be performed remotely or hybrid (with occasional on-site work in government-authorized environments).

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

As part of our mission to help clients bridge technology, security, and agility, the Platform Engineer will play a pivotal role in developing, enhancing, and operationalizing the IronSled platform to enable secure software delivery at scale.

• Infrastructure Provisioning: Design, deploy, and maintain cloud and on-premise infrastructure solutions that are compliant with federal security standards (e.g., FedRAMP High, NIST 800-53).
• Platform Development: Build and optimize IronSled’s platform features, ensuring continuous improvement of usability, reliability, and security capabilities.
• DevSecOps Pipeline Implementation: Develop, integrate, and maintain CI/CD pipelines with security automation processes embedded directly into software delivery workflows.
• System Administration & Orchestration: Operate and troubleshoot platform services, ensuring high availability and performance.
• Compliance Readiness: Collaborate with cybersecurity teams to design infrastructure and application configurations aligned with evolving government security requirements and accreditation goals.
• Monitoring and Reliability: Implement observability tools and dashboards to monitor platform health, usage trends, and security compliance in real-time.
• Collaboration: Partner closely with developers, security specialists, and client stakeholders to deliver secure and scalable solutions for government-authorized environments.
• Documentation: Create comprehensive documentation for technical processes, infrastructure configurations, and operational procedures to ease audits and accreditation reviews.

Qualifications

• Experience:

• 5+ years of experience working as a platform engineer, DevSecOps engineer, systems administrator, or similar role.
• Demonstrated experience managing both cloud (e.g., AWS GovCloud, Azure Government) and on-premise environments.
• This position requires and active Secret clearance.

• Technical Skills:

• Expert-level proficiency in cloud platforms like AWS, Azure, GCP, or other government-authorized cloud providers.
• Strong knowledge of container orchestration tools and platforms (e.g., Kubernetes, OpenShift).
• Hands-on experience with Infrastructure as Code (IaC) tools (e.g., Terraform, Ansible, or CloudFormation).
• Familiarity with secure CI/CD pipelines (e.g., GitLab, Jenkins, CircleCI) and security automation tools (e.g., SonarQube, Aqua Security, or Twistlock).
• Knowledge of network security, identity management (e.g., IAM, RBAC), and secure communications protocols (e.g., TLS/SSL).

• Compliance Expertise:

• Understanding of FedRAMP High, NIST 800-53 frameworks, and other stringent government security requirements.
• Experience with accreditation and audits for classified or regulated environments.

• Soft Skills:

• Strong collaboration skills—ability to work with cross-functional teams including developers, security professionals, and government stakeholders.
• Effective communication and documentation skills to convey technical processes clearly to non-technical audiences.