> Markdown version of [/jobs/ext/4589273-systems-engineer-iii](https://www.wearedevelopers.com/jobs/ext/4589273-systems-engineer-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 Engineer - III - **Company:** Horizontal Talent - **Location:** Dallas, TX, United States - **Experience:** Expert - **Salary:** $66,560 - $135,200 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Systems Engineering, Cloud Computing, Middleware, Software Troubleshooting, Enterprise Integration - **Published:** November 5, 2026 - **Apply:** https://www.dice.com/job-detail/7292c824-db37-43e2-b473-b70751416c0e ## About the Role * Hands-on experience with IBM ACE or IIB administration * Experience supporting large-scale infrastructure environments * Working knowledge of AWS and on-premises system administration * Strong troubleshooting and problem-solving abilities * Ability to work collaboratively across technical teams * Clear communication and strong organizational skills Preferred Skills * Experience supporting enterprise integration platforms * Familiarity with cloud-based and hybrid infrastructure environments * Background in operations, platform support, or middleware administration * Ability to work independently while managing multiple priorities * Comfort working in a fast-paced technical environment Horizontal is committed to fostering a welcoming, inclusive workplace where diverse perspectives are valued and everyone has the opportunity to thrive. We encourage candidates from all backgrounds to apply and bring their unique experiences, ideas, and strengths to the team. ## Description We are looking for a seasoned Systems Engineer III to support large-scale IBM ACE (Application Connect Enterprise) environments across AWS and on-premises platforms. This role is ideal for an infrastructure professional who enjoys administering enterprise integration systems, solving complex technical issues, and helping maintain reliable, high-performing environments. Responsibilities * Administer and support IBM ACE infrastructure in both cloud and on-premises environments * Monitor system health, performance, and availability to help ensure stable operations * Perform routine maintenance, troubleshooting, and issue resolution for ACE systems * Collaborate with technical teams to support deployment, configuration, and operational needs * Help maintain secure, scalable, and well-managed integration platforms * Support enterprise-level environments with a focus on reliability and operational excellence