System Administrator

Position Title: Systems Administrator IV Clearance Requirements: None Required Position Status: Contract Pay Rate: $55/hr on W2 Position Description: We are seeking a highly experienced Systems Administrator IV to support and administer large-scale IBM ACE (Application Connect Enterprise / IIB) environments. This role is ideal for a senior-level professional who thrives in complex enterprise environments and enjoys working with modern cloud technologies. In this role, you will be responsible for designing, deploying, and maintaining secure, high-availability integration platforms across on-premises and AWS environments . You will collaborate with cross-functional technical teams to support mission-critical systems, implement automation and CI/CD pipelines, and ensure optimal system performance, scalability, and resilience. This is a remote contract opportunity based out of Richmond, VA, offering exposure to cutting-edge technologies and large-scale enterprise infrastructure. Key Responsibilities: Design, deploy, configure, and administer large-scale IBM ACE (IIB) environments across on-prem and AWS platforms Install, configure, maintain, and troubleshoot Linux and AIX-based server environments Perform system integration testing and production support for enterprise middleware platforms Analyze system logs, tune performance, and manage memory utilization for IBM ACE and IBM MQ Administer and support IBM MQ , including performance analysis and optimization Implement and manage certificate management and secure messaging environments Design and support disaster recovery strategies , including regional and site failover Support web access, electronic messaging services, and secure system environments Research, evaluate, and recommend software and hardware solutions based on scalability and growth needs Implement CI/CD pipelines , Infrastructure as Code (IaC) , and Terraform-based automation Provide server and hardware specifications based on application requirements and future growth Required Skills / Education: 5+ years of experience designing and administering IBM ACE (Application Connect Enterprise / IIB) environments 3+ years of hands-on experience with IBM MQ administration and performance tuning Strong expertise in Linux and AIX system administration Proven experience supporting AWS environments , including: IAM EC2 S3 SNS Lambda Experience implementing CI/CD pipelines , Terraform , and Infrastructure as Code practices Proficiency in Python and Shell scripting for automation and system management Strong understanding of system security, certificate management, and enterprise integration patterns Experience designing high-availability and disaster recovery architectures AWS Certified Solutions Architect – Associate (preferred) About Seneca Resources At Seneca Resources, we are more than just a staffing and consulting firm—we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact. When you work with Seneca, you’re choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way. Seneca Resources is proud to be an Equal Opportunity Employer , committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply. #J-18808-Ljbffr