Platform Engineer (TS/SCI CI Poly)
About The Position
Seamless Migration is seeking a career- and customer-oriented Platform Engineer to deploy, configure, administer, and maintain infrastructure and enterprise applications across Development, Test, and Production environments. The role supports applications on Red Hat Enterprise Linux (RHEL 8/9), PostgreSQL databases, Java runtimes, application libraries, and related dependencies. The Platform Engineer manages application configurations, permissions and access controls, SSL/TLS certificates, and network connectivity. The position coordinates with VMware and Linux administrators on virtual machines and supporting infrastructure; troubleshoots issues across operating systems, applications, databases, networks, and infrastructure; and performs updates, patching, maintenance, and configuration changes. It also supports installations and deployments in air-gapped or disconnected networks, including offline dependency management. The role develops scripts and automation for infrastructure provisioning, application deployment, and administration; supports automation and configuration management using tools such as Ansible and Terraform; assists with virtual machine deployment and automated provisioning; and collaborates with development teams on application integrations, REST APIs, and automated workflows. The engineer configures and maintains supporting services for application availability, performance, and security, documents technical procedures and standards, and works with government stakeholders, infrastructure teams, and developers to support reliable, secure operations. An existing TS/SCI clearance with CI Poly is required to start. Listed locations are Alexandria, Washington, and Reston, Virginia, and Colorado Springs, Colorado.
Requirements
- An existing TS/SCI clearance with CI Poly is required to start.
- Experience administering Linux systems and independently installing, configuring, and maintaining enterprise applications.
- Working knowledge of Linux networking, permissions, access controls, and security configurations, including SSL/TLS certificates.
- Practical knowledge of PostgreSQL database installation and administration, with familiarity supporting Java environments and software dependencies.
- Familiarity with Ansible, Terraform, and automated server provisioning.
- Experience with Bash or Python scripting and infrastructure automation or configuration management tools.
- Understanding of REST APIs, JSON, and application integrations.
- Experience supporting applications and infrastructure across Development, Test, and Production environments.
- Ability to troubleshoot issues across operating systems, applications, databases, and networks.
Nice To Haves
- Hands-on experience with virtualized infrastructure and automated server provisioning.
- Familiarity with Ansible, Terraform, Jenkins, or CI/CD pipelines.
- Knowledge of JavaScript, Node.js, or container tools such as Docker and Podman.
- Experience supporting classified, air-gapped, or DoD/Intelligence Community environments, including offline installations and dependency management.
- Familiarity with infrastructure monitoring, performance optimization, and system availability.
Responsibilities
- Deploy, configure, administer, and maintain infrastructure and enterprise applications across Development, Test, and Production environments.
- Install, configure, and maintain applications on Red Hat Enterprise Linux (RHEL 8/9) servers.
- Install, configure, and support PostgreSQL databases, Java runtimes, application libraries, and supporting dependencies.
- Manage application configurations, system permissions, access controls, SSL/TLS certificates, and network connectivity requirements.
- Coordinate with VMware and Linux administrators to provision, configure, and maintain virtual machines and supporting infrastructure.
- Troubleshoot Linux operating system, application, database, networking, and infrastructure issues.
- Perform system updates, application patching, maintenance, and configuration changes.
- Support software installations and deployments in air-gapped and disconnected networks, including offline dependency management.
- Develop and maintain scripts and automation for infrastructure provisioning, application deployment, and administration.
- Support infrastructure automation and configuration management using tools such as Ansible and Terraform.
- Assist with virtual machine deployment, server configuration, and automated provisioning processes.
- Collaborate with development teams to support application integrations, REST APIs, and automated workflows.
- Configure and maintain supporting infrastructure services to ensure application availability, performance, and security.
- Develop and maintain technical documentation, installation procedures, configuration standards, and operational processes.
- Work with government stakeholders, infrastructure teams, and developers to ensure reliable and secure system operations.
Benefits
- 100% paid medical, dental, and vision for employees.
- 6% 401(k) match, vested immediately.
- 29 days' PTO.
- Flexible work schedule.
- Tuition/certification reimbursement.
- Growth opportunities within an emerging defense company.
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What This Job Offers
Job Type
Full-time
Education Level
No Education Listed
