Systems Administrator - III

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.

• 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.

For temporary assignments lasting 13 weeks or longer, AllSTEM Connections is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.

We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team.

AllSTEM Connections participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program. _Participation_Poster_ES.pdf

We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.