Linux Platform Engineer

CACI•Hampton, VA

About The Position

The Linux Platform Engineer designs, implements, and supports enterprise Cross Domain Solution (CDS) platforms that enable secure data sharing between classified and unclassified environments. The role builds and maintains software and infrastructure supporting Air Force personnel across multiple locations, with a focus on secure, reliable data transfer, user experience, and national security missions. The engineer administers platform applications and services, maintains accounts across supported environments, and implements monitoring, logging, and alerting capabilities. The role also works with cybersecurity teams to meet DoD security policies and accreditation standards, troubleshoots platform issues, automates deployment processes, and documents architectures and operational procedures.

Requirements

Active Top Secret clearance with SCI eligibility.
BA/BS degree in a related field; an AA/AS degree with additional experience may be considered.
At least 5 years of RHEL administration experience.
At least 5 years of VMware experience.
At least 5 years of experience applying security patches to Linux systems.
Current DoD 8140 cybersecurity certification, such as CompTIA Security+ or CISSP.
Strong problem-solving abilities and customer service orientation.
Broad experience with system/server hardware, operating systems, software applications, and network connectivity.
Ability to work proactively, anticipate issues, and use resources efficiently.
Experience working collaboratively with client managers and system users.

Nice To Haves

Administrator-level certifications in technologies such as Microsoft, RHEL, Linux, or VMware.
VM certification.
SIEM implementation and administration experience.
Experience with GitOps.

Responsibilities

Design, engineer, and maintain enterprise CDS platforms for secure, reliable cross-domain data transfer.
Administer and configure user interface applications and external services for CDS systems.
Manage and maintain user accounts across supported environments.
Implement and sustain monitoring, logging, and alerting capabilities for platform health and performance.
Partner with cybersecurity teams to ensure compliance with DoD security policies and accreditation standards.
Troubleshoot and resolve complex system and platform issues while supporting end users.
Automate deployment processes to improve efficiency and consistency.
Document system architectures, technical procedures, and operational workflows.