Senior Infrastructure Engineer – Cloud, Security & DR

LMI Consulting, LLC; Washington (District of Columbia); On-site; USD 100,000 - 185,000; Full time

Job summary

LMI Consulting, LLC is seeking an experienced Infrastructure Engineer to design, implement, automate, operate, and sustain foundational computing platforms across secure facilities, data centers, and cloud environments. You will ensure reliable, secure, scalable, recoverable systems and work on a fast-paced prototype program.

The role emphasizes automation, lifecycle management, and collaboration with cybersecurity teams, with 25-50% travel and eligibility for a Top Secret/SCI environment.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
• 8+ years of experience designing, implementing, operating, or sustaining enterprise infrastructure, including in classified environments.
• Strong understanding of compute, storage, operating systems, virtualization, cloud, backup, recovery, and platform-security principles.
• Troubleshooting complex infrastructure issues across multiple technical domains.
• Experience engineering capabilities for SCIF or other accredited classified environments, including multi-enclave systems and security boundaries.
• Working knowledge of the Risk Management Framework (NIST SP 800-37 / 800-53) and experience advising senior leaders.
• Active Top Secret Clearance (SCI eligibility) required.
• Excellent communication skills both verbally and in writing.

Responsibilities

• Enumerate and document the infrastructure baseline across geographically dispersed sites.
• Design current-state, transition-state, and target-state infrastructure for secure facilities, data centers, cloud environments, and operational sites.
• Engineer physical, virtual, containerized, and cloud-based platforms based on mission, performance, availability, security, and recovery requirements.
• Establish platform standards, configuration baselines, reusable patterns, implementation procedures, and lifecycle roadmaps.
• Implement secure configurations, patching, hardening, encryption, access controls, and privileged-administration practices in coordination with cybersecurity personnel.
• Develop and validate backup, restoration, disaster-recovery, and continuity procedures for mission-critical services and data.
• Monitor infrastructure health, performance, capacity, utilization, configuration compliance, and emerging lifecycle constraints.
• Diagnose complex infrastructure issues involving compute, memory, storage, operating systems, virtualization, cloud services, and supporting dependencies.
• Automate infrastructure provisioning, configuration, patching, testing, monitoring, scaling, backup, recovery, and compliance using infrastructure-as-code and configuration-management practices.

Skills

Compute and storage

Operating systems

Virtualization

Cloud infrastructure

Automation

Infrastructure monitoring

Security and hardening

Lifecycle management

Networking fundamentals

Scripting and IaC

Education

Bachelor's degree in Computer Science or related field

Tools

SCIF environments

NIST RMF knowledge

Job description

LMI Consulting, LLC is seeking an experienced Infrastructure Engineer to design, implement, automate, operate, and sustain foundational computing platforms across secure facilities, data centers, and cloud environments. You will ensure reliable, secure, scalable, recoverable systems and work on a fast-paced prototype program.

The role emphasizes automation, lifecycle management, and collaboration with cybersecurity teams, with 25-50% travel and eligibility for a Top Secret/SCI environment.