> Markdown version of [/jobs/ext/4695057-senior-systems-administrator-infrastructure-engineer](https://www.wearedevelopers.com/jobs/ext/4695057-senior-systems-administrator-infrastructure-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Administrator / Infrastructure Engineer - **Company:** Eliassen Group - **Location:** Columbus, OH, United States (Remote available) - **Experience:** Expert - **Salary:** $135,200 - $156,000 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Linux, Monitoring of Systems, Identity and Access Management, Windows Servers, Nagios, Ansible, Software Troubleshooting, Amazon Virtual Private Cloud (VPC), Infrastructure Automation Frameworks, Information Technology, Performance Monitor, Cloudwatch, Pagerduty - **Published:** November 12, 2026 - **Apply:** https://dejobs.org/x/x/15C59360C2FF4EF78D08DAA34010CE31/job/ ## About the Role * Strong hands-on experience with Linux and Windows Server administration . * Experience administering production environments within AWS . * Working knowledge of EC2, S3, VPC, IAM, and CloudWatch . * Experience with Ansible or similar infrastructure automation tools. * Experience with infrastructure monitoring and alerting platforms. * Strong troubleshooting and incident-response skills. * Ability to work independently and take ownership of infrastructure operations. Recruitment Transparency Notice ## Description Our client seeks a senior-level Systems Administrator or Infrastructure Engineer to administer Linux and Windows Server environments, manage AWS services, and drive automation and operational excellence. The role requires hands-on support of production systems, proactive monitoring, incident response, and continuous improvement of reliability, scalability, and security., * Administer and support Linux and Windows Server environments. * Manage and maintain AWS infrastructure , including EC2, S3, VPC, IAM, and CloudWatch. * Perform system patching, maintenance, upgrades, and security remediation. * Develop and maintain infrastructure automation using Ansible . * Monitor infrastructure health and performance using tools such as Nagios, CloudWatch, and PagerDuty . * Troubleshoot production infrastructure issues and participate in incident response. * Support infrastructure security, access management, and operational best practices. * Identify opportunities to improve reliability, automation, scalability, and overall infrastructure operations.