Platform Engineer (TS/SCI CI Poly) – Flexible Schedule

Seamless Migration LLC; Reston (VA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical coverage

401K match

PTO 29 days

Flexible schedule

Tuition reimbursement

Growth opportunities

Job summary

Seamless Migration LLC is seeking a Platform Engineer to deploy, configure, and maintain enterprise infrastructure across Development, Test, and Production environments. The role includes installing on RHEL 8/9, managing PostgreSQL and Java runtimes, and supporting air-gapped deployments.

You will collaborate with VMware/Linux teams, automate with Ansible/Terraform, and ensure security, availability, and performance. TS/SCI with CI Poly clearance is required to start.

Qualifications

• Experience administering Linux systems and independently installing, configuring, and maintaining enterprise applications.
• Knowledge of Linux networking, permissions, access controls, and SSL/TLS certificates.
• Experience with PostgreSQL installation, configuration, and administration in Java environments.
• Familiarity with Ansible, Terraform, and automated server provisioning.
• Experience with Bash or Python scripting and infrastructure automation.
• Understanding of REST APIs and application integrations.
• Experience supporting Development, Test, and Production environments.
• Ability to troubleshoot issues across OS, apps, DBs, and networks.

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 within air gapped and disconnected networks, including offline dependency management.
• Develop and maintain scripts and automation to streamline 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 closely with government stakeholders, infrastructure teams, and developers to ensure reliable and secure system operations.

Skills

Linux Admin

PostgreSQL

Ansible

Terraform

Scripting

REST APIs

VMware

Security configs

Tools

Ansible

Terraform

Jenkins

Docker

Podman

VMware

Job description

Seamless Migration LLC is seeking a Platform Engineer to deploy, configure, and maintain enterprise infrastructure across Development, Test, and Production environments. The role includes installing on RHEL 8/9, managing PostgreSQL and Java runtimes, and supporting air-gapped deployments.

You will collaborate with VMware/Linux teams, automate with Ansible/Terraform, and ensure security, availability, and performance. TS/SCI with CI Poly clearance is required to start.