Platform Engineer

LMI•Tysons, VA

32d

About The Position

We are looking for a Platform Engineer to design, build, and operate the foundational technology platforms that enable secure, scalable, and efficient software delivery across the organization. This role focuses on building internal platforms and infrastructure capabilities that allow engineering teams to deliver applications quickly while maintaining strong standards for security, reliability, and operational performance. You will work across DevSecOps platforms, cloud and hybrid infrastructure, networking, and enterprise technical standards, helping create reusable platform services that simplify infrastructure complexity and enable self-service development environments. This role sits at the intersection of enterprise architecture, infrastructure engineering, and software delivery, ensuring that systems are standardized, secure, and designed to support mission-critical workloads. 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.

Requirements

Strong experience designing and operating modern infrastructure and platform environments
Experience building and maintaining DevOps or DevSecOps platforms and CI/CD pipelines
Proficiency with cloud platforms (AWS, Azure, or GCP) and hybrid infrastructure architectures
Experience with infrastructure as code using tools such as Terraform, CloudFormation, Pulumi, or similar frameworks
Experience working with containerization and orchestration platforms such as Docker and Kubernetes
Strong understanding of networking fundamentals, including routing, segmentation, and secure connectivity
Experience managing compute, storage, virtualization, and infrastructure services
Familiarity with automation, configuration management, and platform observability tools
Strong engineering fundamentals including version control, automation, and operational reliability
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.

Nice To Haves

Experience designing internal developer platforms or platform engineering capabilities
Familiarity with enterprise architecture frameworks and technical standardization
Experience implementing DevSecOps practices including automated security scanning and policy enforcement
Knowledge of zero trust networking, identity-aware infrastructure, and secure platform architectures
Experience supporting regulated or security-sensitive environments
Experience with infrastructure monitoring, logging, and observability platforms
Familiarity with endpoint management and collaboration platforms
Experience working in cloud-native and hybrid enterprise environments

Responsibilities

Design and build internal platform capabilities that support application development, deployment, and operations
Establish and implement enterprise technical standards and architecture patterns for infrastructure, platforms, and development environments
Develop and maintain DevSecOps platforms and CI/CD pipelines that support secure and automated software delivery
Design and operate cloud and hybrid infrastructure environments across AWS, Azure, on-premises, or edge environments
Engineer and manage compute, storage, and virtualization platforms supporting scalable workloads
Design and maintain secure network architectures and connectivity, including segmentation, zero trust approaches, and hybrid networking
Build and operate infrastructure as code (IaC) capabilities to standardize environment provisioning and configuration
Implement security boundaries, platform hardening, and baseline configurations aligned with enterprise security requirements
Support endpoint and collaboration platforms that enable secure productivity and engineering workflows
Manage infrastructure lifecycle operations including provisioning, upgrades, patching, and capacity planning
Collaborate with security, architecture, and product engineering teams to ensure platforms support secure, compliant, and reliable application delivery
Improve platform reliability through monitoring, automation, and operational tooling