Senior Linux – Infrastructure Automation Engineer

This is a fully remote position, open to applicants in Illinois.

📋 Description

• Engineer, scale, and maintain the foundational Valassis DMT platform environment.

• Design, develop, and sustain declarative Puppet and Ansible configuration modules.

• Automate the provisioning of systems, deployment of applications, and ensure continuous compliance across both bare-metal and virtualized nodes.

• Administer, tune, and troubleshoot enterprise Linux environments, focusing primarily on Ubuntu.

• Conduct kernel optimization, enhance security measures, and improve system uptime.

• Operate and refine OpenStack, LXD, KVM, and ESXi virtualization and hypervisor layers.

• Facilitate automated provisioning of bare-metal servers.

• Oversee and maintain persistent storage infrastructure and physical SAN equipment.

• Implement platform refreshes, decommission legacy environments, and manage infrastructure migrations across data center footprints.

⛳️ Requirements

• Bachelor's degree in Computer Science, Information Technology, or a similar engineering discipline, or equivalent professional experience.

• A minimum of 5–7+ years of progressively responsible hands-on experience in Linux infrastructure engineering, systems administration, and cloud infrastructure automation.

• Expert-level hands-on experience in engineering, hardening, and maintaining enterprise Ubuntu/Debian server environments.

• Demonstrated proficiency in authoring custom Puppet modules and Ansible playbooks/roles.

• Strong foundational knowledge of bare-metal provisioning concepts along with KVM, LXD, and ESXi hypervisor/container runtimes.

• Comprehensive understanding of enterprise storage architectures, including SAN/NAS devices, block and object storage concepts, and volume management.

• Working knowledge of cross-platform Active Directory integration, enterprise PKI/certificate enrollment, and domain identity services.

• Experience with OpenStack components, including Nova, Neutron, Cinder, and Keystone, is preferred.

• Direct experience with Ceph storage clusters is preferred.

• Hands-on experience with Canonical MAAS or similar automated bare-metal provisioning platforms is preferred.

• Familiarity with MicroCloud deployment and lightweight cloud infrastructure environments is preferred.

• Successful completion of a pre-employment background check and drug screening.

🏝️ Benefits

• Medical coverage.

• Dental coverage.

• Vision coverage.

• Paid time off.

• Disability insurance.

• 401(k) with company match.

• Life insurance.

• Voluntary supplemental insurance coverages.

• Parental leave.

• Adoption assistance.

• Tuition assistance.

• Employer/partner discounts.

• Participation in bonus, commission, or incentive programs may be available depending on the role.

• Equal Opportunity Employer, including individuals with disabilities and veterans.