Principal Platform Engineer - Linux Infrastructure & Modernization
Company: Arcadia Talent Advisory
Location: Aurora
Posted on: February 18, 2026
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Job Description:
Job Description Job Description Description This role leads the
design, operation, and modernization of secure Linux-based
platforms supporting on-premise mission systems. The position
balances deep infrastructure expertise with automation,
containerization, and modernization initiatives while sustaining
critical legacy environments. Responsibilities Engineer, maintain,
and modernize Linux-based infrastructure platforms supporting
on-prem mission systems Administer and optimize Linux server and
operating system environments across development, test, and
production Support and manage virtualized infrastructure using
VMware technologies Design and execute platform provisioning,
configuration, and lifecycle management processes Maintain and
integrate COTS software stacks within secure enterprise
environments Develop and maintain automation and scripting
solutions using tools such as Python, Bash, or similar languages
Implement and manage configuration management and orchestration
tools (e.g., Ansible, Chef) Support containerized platforms using
Docker, Kubernetes, and Rancher where applicable Contribute to
platform hardening , security compliance, and DevSecOps-aligned
practices Participate in Agile delivery frameworks including Scrum
and SAFe Requirements Strong hands-on experience with Linux server
and OS administration in enterprise or mission environments
Experience supporting VMware-based infrastructure Programming or
scripting proficiency using Python, Bash, Java, or comparable
languages Experience with platform provisioning , configuration,
and full lifecycle management Familiarity managing commercial
off-the-shelf (COTS) software stacks Working knowledge of Agile
methodologies , including Scrum and SAFe Preferred / Modernization
Experience Experience with configuration management and automation
tools such as Ansible or Chef Exposure to container orchestration
and runtime platforms , including Kubernetes, Docker, and Rancher
Familiarity with AWS or cloud-adjacent environments Experience with
system hardening and security-focused platform engineering Security
& Certifications Active TS/SCI clearance with CI Poly , required on
day one Security certification , or ability to obtain within 90
days of hire
Keywords: Arcadia Talent Advisory, Fort Collins , Principal Platform Engineer - Linux Infrastructure & Modernization, IT / Software / Systems , Aurora, Colorado
