Key Responsibilities:Design, deploy, configure, and administer large-scale IBM ACE (IIB) environments across on-prem and AWS platformsInstall, configure, maintain, and troubleshoot Linux and AIX-based server environmentsPerform system integration testing and production support for enterprise middleware platformsAnalyze system logs, tune performance, and manage memory utilization for IBM ACE and IBM MQAdminister and support IBM MQ , including performance analysis and optimizationImplement and manage certificate management and secure messaging environmentsDesign and support disaster recovery strategies , including regional and site failoverSupport web access, electronic messaging services, and secure system environmentsResearch, evaluate, and recommend software and hardware solutions based on scalability and growth needsImplement CI/CD pipelines , Infrastructure as Code (IaC) , and Terraform-based automationProvide server and hardware specifications based on application requirements and future growthRequired Skills / Education:5+ years of experience designing and administering IBM ACE (Application Connect Enterprise / IIB) environments3+ years of hands-on experience with IBM MQ administration and performance tuningStrong expertise in Linux and AIX system administrationProven experience supporting AWS environments , including:IAMEC2S3SNSLambdaExperience implementing CI/CD pipelines , Terraform , and Infrastructure as Code practicesProficiency in Python and Shell scripting for automation and system managementStrong understanding of system security, certificate management, and enterprise integration patternsExperience designing high-availability and disaster recovery architecturesAWS Certified Solutions Architect – Associate (preferred)About Seneca ResourcesAt Seneca Resources, we are more than just a staffing and consulting firm—we are a trusted career partner. Position Title: Systems Administrator IVClearance Requirements: None RequiredPosition Status: ContractPay Rate: $55/hr on W2Position Description:We are seeking a highly experienced Systems Administrator IV to support and administer large-scale IBM ACE (Application Connect Enterprise / IIB) environments.