> Markdown version of [/jobs/ext/4616036-systems-administrator-iii](https://www.wearedevelopers.com/jobs/ext/4616036-systems-administrator-iii). 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). --- # Systems Administrator - III - **Company:** AllSTEM Connections - **Location:** Dallas, TX, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** IBM AIX, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Cloud Computing, Continuous Integration, Linux, Disaster Recovery, Memory Management, Failover, IBM WebSphere MQ, Identity and Access Management, Python (Programming Language), Performance Tuning, Shell Script, Amazon Simple Notification Service (SNS), Delivery Pipeline, Infrastructure as Code (IaC), Gitlab, Hardware Infrastructure, Functional Programming, Terraform - **Published:** November 7, 2026 - **Apply:** https://www.dice.com/job-detail/ab0fce90-f55b-48cd-935b-2d74d87f5f62 ## About the Role * 5+ years of experience designing and implementing large-scale IBM ACE infrastructures in hybrid (AWS and On-Prem) environments. * 5+ years of experience managing and configuring IBM MQ. * Proven experience managing IBM ACE in Linux and AIX environments. * Strong expertise in CI/CD pipeline automation (GitLab preferred) and IaC with Terraform. * Advanced proficiency in Python, Shell scripting, and AWS core services (IAM, S3, EC2, SNS, Lambda). * Certification: AWS Certified Solutions Architect - Associate is required. ## Description Job Overview:We are seeking an experienced Senior IBM App Connect Enterprise (ACE) & Cloud Infrastructure Engineer to design, implement, and optimize large-scale integration environments across AWS and on-premises infrastructure. In this role, you will lead high-availability architecture, automate deployment pipelines, and ensure robust disaster recovery strategies across modern hybrid environments., * Infrastructure & Architecture: Design, build, and maintain large-scale IBM ACE and IBM MQ infrastructures across Linux, AIX, and AWS environments. * Performance Tuning & Logs: Analyze, troubleshoot, and optimize IBM ACE performance, focusing on memory management, system logs, and runtime efficiency. * Security & Failover: Implement IBM ACE certificate management and architect enterprise disaster recovery strategies featuring multi-region and site failover. * Automation & CI/CD: Build robust CI/CD pipelines (preferably using GitLab) and leverage Infrastructure as Code (IaC) with Terraform to automate infrastructure deployment. * Cloud & Automation Engineering: Apply deep AWS expertise (IAM, S3, EC2, SNS, Lambda) alongside Python and Shell scripting to automate integration workloads.