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Sr Systems Engineer - AWS Cloud & Linux

DMSi

Omaha, USA

Full-time

Senior · 5+ years experience

Onsite

Discovered Yesterday

AWSTerraformAnsibleLinuxRHELBash

Free

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Key skills for this role

AWSTerraformAnsible

Build, manage, and scale AWS cloud environments supporting DMSi products including Frameworks, ACC, and our data platform.
Design and implement infrastructure as code using Terraform for infrastructure and Ansible for OS-level configuration, replacing manual builds with repeatable, automated deployments.
Administer, patch, and harden Linux servers across the fleet, including planning and executing OS version upgrades.
Troubleshoot and resolve infrastructure incidents at the OS, network, and cloud layers, and contribute to root cause analysis and postmortems.
Partner with security to remediate vulnerabilities and apply hardening standards across cloud and Linux environments.
Support networking configuration and troubleshooting, including firewall rules, routing, and connectivity issues, in coordination with the broader team.
Document build standards, runbooks, and architecture decisions so the environments you build are maintainable by the rest of the team.
Participate in an on-call rotation and respond to production issues affecting cloud or Linux infrastructure.
Collaborate with development, security, and support teams to align infrastructure work with product and customer needs.

Deep, hands-on proficiency with core AWS services (EC2, VPC, IAM, S3, ELB, and related services), sufficient to design and build production environments independently. Strong Linux systems administration skills (RHEL preferred), including patching, hardening, and OS-level troubleshooting. Proficiency with infrastructure as code, using Terraform for infrastructure and Ansible for OS-level configuration. Solid understanding of networking fundamentals: DNS, routing, firewalls, load balancing, and VPN. Scripting and automation ability (Bash, Python, or similar) to reduce manual, repetitive work. Clear written and verbal communication, including the ability to document technical work for other engineers. Ability to work effectively in a fast-paced environment with shifting priorities and direct customer impact.

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