Platform Infrastructure Engineer with Security Clearance

L2T, LLC; Columbia (MD); On-site; USD 117,000 - 154,000; Full time

Benefits offered by this job

401(k) match

Health, Dental, and Vision insurance

Legal Resources Plan

Flexible Time Off

10 Federal Holidays

Life Insurance & Disability coverage

Snacks

Job summary

L2T, LLC is a fast-growing, mission-driven company based in Virginia, offering growth opportunities and mentorship. We seek a Senior Linux Infrastructure Engineer to design and operate Linux-based platforms, build OpenStack private clouds, and implement IaC with robust CI/CD and observability.

You will mentor junior engineers, drive automation, and support cloud migrations across AWS and Google Cloud, while ensuring security and scalability in a dynamic environment.

Qualifications

• Ability to obtain and maintain a security clearance.
• 5+ years designing or operating Linux infrastructure.
• Strong Linux Administration Experience (Ubuntu/Debian Preferred).
• Experience operating virtualized or private cloud environments.
• Experience with Docker and containerized workloads.
• Experience with Ansible or similar configuration management tools.
• Experience automating infrastructure deployments.
• Experience troubleshooting production infrastructure.
• Experience with several of the following: Virtualization/Hypervisor Solutions (OpenStack, Vmware, Proxmox, etc.)
• Experience with Apache NiFi
• Experience with Elasticsearch / Kibana
• Experience with GitOps workflows
• Experience with Terraform or OpenTofu
• Experience with AWS or Google Cloud
• Observability and monitoring platforms (e.g., Prometheus, Grafana, Loki, Splunk)
• PostgreSQL
• Containerization and orchestration platforms (Docker, Kubernetes, ECS, etc.)
• AI infrastructure (vLLM, Open WebUI, Jupyter)

Responsibilities

• Design and maintain Linux-based infrastructure platforms
• Engineer and operate private cloud environments built on OpenStack
• Build repeatable infrastructure using Infrastructure-as-Code and configuration management
• Design and maintain containerized application platforms using Docker
• Automate infrastructure deployment, configuration, and lifecycle management
• Support cloud migration initiatives across AWS and Google Cloud
• Build CI/CD and GitOps workflows that improve deployment consistency
• Engineer observability solutions including centralized logging and monitoring
• Support Apache NiFi dataflow infrastructure
• Troubleshoot complex infrastructure, virtualization, networking, and storage issues
• Improve platform reliability, scalability, and security
• Produce architecture documentation and operational runbooks
• Mentor junior engineers and participate in technical design reviews

Skills

Linux admin

OpenStack

Docker

Python/Bash

Cloud platforms AWS/GCP

GitOps

Scripting

Kubernetes

Security clearance

Tools

Terraform

OpenStack

Kubernetes

Prometheus/Grafana

Elasticsearch

Git

Python

Job description

L2T, LLC is a fast-growing, high-tech, mission-driven company based in Virginia that prides itself on delivering technical and mission-related solutions that allow our customers to succeed in achieving their most challenging goals. We area close-knit team of highly motivated and skilled individuals that are focused on a commitmentto facing the most complex and difficult efforts head-on with a balance of creativity and discipline, and an unwavering nerve. Our Team embraces the concept that the sky's the limit. Regardless of where you are in your career, our goal is to work with you to refine your skills, add to your technical tool belt, and aid you in your growth as a professional. We offergrowth opportunitiessuch as leadership training, industry conferences, and mentorship from experienced, passionate individuals.

Candidates must currently hold a Top Secret security clearance.

Responsibilities

• Design and maintain Linux-based infrastructure platforms
• Engineer and operate private cloud environments built on OpenStack
• Build repeatable infrastructure using Infrastructure-as-Code and configuration management
• Design and maintain containerized application platforms using Docker
• Automate infrastructure deployment, configuration, and lifecycle management
• Support cloud migration initiatives across AWS and Google Cloud
• Build CI/CD and GitOps workflows that improve deployment consistency
• Engineer observability solutions including centralized logging and monitoring
• Support Apache NiFi dataflow infrastructure
• Troubleshoot complex infrastructure, virtualization, networking, and storage issues
• Improve platform reliability, scalability, and security
• Produce architecture documentation and operational runbooks
• Mentor junior engineers and participate in technical design reviews

Qualifications

• The ability to obtain and maintain a security clearance
• 5+ years designing or operating Linux infrastructure
• Strong Linux Administration Experience (Ubuntu/Debian Preferred)
• Experience operating virtualized or private cloud environments
• Experience with Docker and containerized workloads
• Experience with Ansible or similar configuration management tools
• Experience automating infrastructure deployments
• Experience troubleshooting production infrastructure
• Strong scripting skills (Python, Bash, or similar) Preferred Experience Experience with several of the following:
• Virtualization / Hypervisor Solutions (OpenStack, Vmware, Proxmox, etc.)
• Apache NiFi
• Elasticsearch / Kibana
• GitOps workflows
• Terraform or OpenTofu
• AWS or Google Cloud
• Observability and monitoring platforms (e.g., Prometheus, Grafana, Loki, Splunk)
• PostgreSQL
• Containerization and orchestration platforms (Docker, Kubernetes, ECS, etc.)
• AI infrastructure (vLLM, Open WebUI, Jupyter)

Benefits

• 401(k) match of 6% with immediate vesting
• Highly subsidized Health, Dental, and Vision insurance
• Legal Resources Plan
• Flexible Time Off
• 10 Federal Holidays
• Life insurance, short and long-term disability coverage paid by the company
• Free sodas and snacks

Compensation

We believe in paying fairly and competitively based on the value each team member brings to the role. Individual compensation is determined by factors such as skills, experience, education, certifications, location, and market data. The anticipated salary range for this position is $116,587 - $154,200 annually.

Equal Opportunity Employer

We are proud to be an Equal Opportunity Employer and do not discriminate based on race, religion, gender, national origin, color, age, military service eligibility or veteran status, disability, sexual orientation, gender identity, maritalstatus, or any other protected class. We encourage and support workplace diversity.