Platform Engineer

🕒 September 8

🇺🇸 United States – Remote

💵 $135k - $230k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

🏗️ Platform Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 4%

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LMI

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 1961

📦 Logistics

🏥 Healthcare

🎖️ Defense

Logistics • Healthcare • Defense

LMI is a forward-thinking company that focuses on reimagining the path from insight to outcome through innovative solutions in various sectors, including applied AI and digital health. They provide advanced analytics, engineering support, and performance optimization across defense, health, and civilian markets, with a strong commitment to enhancing mission effectiveness for government clients. With a focus on collaboration and research, LMI aims to drive positive change through its diverse capabilities and partnerships.

📋 Description

• Design, deploy, configure, operate, and sustain AWS-based platform services for mission-critical Department of War applications and workloads • Administer Kubernetes clusters and supporting services, including configuration, node groups, namespaces, RBAC, ingress, service discovery, storage, secrets, network policies, autoscaling, upgrades, and lifecycle maintenance • Build and maintain repeatable infrastructure and platform configurations using infrastructure-as-code tools • Develop and improve CI/CD pipelines, GitOps workflows, container registries, artifact repositories, automated testing, and deployment controls • Onboard, configure, deploy, and sustain containerized applications across development, test, staging, and production environments • Integrate platform services with DODIN network services, IAM, PKI, logging, monitoring, vulnerability management, endpoint security, and government enterprise services • Maintain secure platform configurations aligned with security baselines, DISA STIGs, RMF requirements, and ATO conditions • Monitor platform availability, performance, capacity, security posture, and application health • Troubleshoot complex issues involving Linux, containers, Kubernetes, AWS, networking, DNS, certificates, encryption, load balancing, storage, compute, identity, and application dependencies • Perform patching, vulnerability remediation, configuration management, backup, recovery, and controlled upgrades • Collaborate with cybersecurity, network, software, data, systems engineering, and mission teams • Develop platform architecture documentation, configuration standards, operating procedures, runbooks, troubleshooting guides, deployment instructions, and knowledge articles • Support technical interchange meetings, architecture reviews, release planning, change control, incident response, root-cause analysis, and after-action reviews • Report platform health, technical risk, security findings, maintenance activities, dependencies, and recommended actions • Participate in scheduled maintenance and time-sensitive incident response outside normal working hours when mission needs require

🎯 Requirements

• Active Secret security clearance • Only U.S. Citizens are eligible for a security clearance; applicants must meet U.S. Government security-clearance eligibility requirements • Minimum of five years of directly relevant professional experience • Hands-on experience operating, integrating, or sustaining systems connected to the DODIN • Current Department of Defense 8570-compliant certification appropriate to assigned information assurance or cybersecurity workforce functions • Hands-on experience deploying, administering, troubleshooting, and upgrading Kubernetes environments • Hands-on experience with AWS infrastructure and services • Experience administering Linux-based systems • Experience building, securing, deploying, and operating containers using Docker, OCI-compatible technologies, or equivalent tooling • Experience with infrastructure as code, configuration automation, source control, CI/CD pipelines, and repeatable deployment practices • Working knowledge of enterprise networking concepts including TCP/IP, routing, firewalls, DNS, load balancing, VPNs, TLS, certificates, and network segmentation • Working knowledge of Department of Defense cybersecurity and authorization practices, including RMF, STIGs, vulnerability management, continuous monitoring, and ATO requirements • Ability to independently diagnose complex technical problems and coordinate across technical teams • Strong written and verbal communication skills • Ability to work effectively in a remote environment, protect government information, maintain reliable connectivity, and travel periodically • Desired: experience with Kubernetes on Amazon EKS in AWS GovCloud or another DoD-authorized cloud environment • Desired: experience supporting DoD Impact Level 4, 5, or 6 systems • Desired: experience with Terraform, AWS CloudFormation, GitLab, GitHub Actions, Jenkins, Argo CD, Helm, Kustomize, or comparable tools • Desired: experience with observability technologies such as CloudWatch, Prometheus, Grafana, OpenSearch, Elastic, or Fluent Bit • Desired: experience with container security, supply-chain controls, image scanning, SBOMs, Iron Bank images, or hardened container baselines • Desired: experience integrating platform services with CAC authentication, DoD PKI, identity providers, RBAC, ABAC, or Zero Trust architectures • Desired: experience with service mesh, secrets management, policy as code, automated compliance, high availability, disaster recovery, or multi-account AWS architectures • Desired: AWS, Certified Kubernetes Administrator, Certified Kubernetes Application Developer, Linux, cybersecurity, or related professional certification • Desired: prior experience directly supporting a Department of War mission partner or other national security customer

🏖️ Benefits

• Remote work within the continental United States • Periodic travel to government or LMI locations as required • Equal employment opportunity commitment • Application process accommodations for persons with disabilities