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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Engineer - IBM i (AS/400) - **Company:** Everforth Apex - **Location:** St. Louis, MO, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Os/400 Operating System, Active Directory, Amazon Web Services, IBM System I, Systems Engineering, Microsoft Azure, Bash Shell, Cloud Computing, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Monitoring of Systems, Hyper-V, Identity and Access Management, Python (Programming Language), Linux System Administration, Windows Servers, Performance Tuning, Windows PowerShell, Ansible, Virtualization Technology, Software Vulnerability Management, Google Cloud, HybridCloud, Infrastructure Automation Frameworks, Information Technology, Patch Management, Data Management, Nutanix, Network Server, Vmware - **Published:** October 31, 2026 - **Apply:** https://www.dice.com/job-detail/59fa18bf-a77c-4ad8-b048-02b5d8fedf5b ## About the Role * Strong verbal and written communication skills, with technical and non-technical audiences * Proven ability to build working relationships across teams * Strong analytical and problem-solving skills for complex issues * Excellent organization and time management across multiple priorities * Ability to work independently and make sound decisions with minimal supervision * Strong customer service focus * Ability to adapt to changing priorities, technologies and business needs * Accountability, ownership and attention to detail * Ability to stay calm and effective during critical incidents and outages * Strong documentation, knowledge-sharing and process improvement skills * Ability to influence stakeholders and communicate recommendations clearly * Commitment to continuous learning, * Must live in St. Louis, Missouri, or the immediate surrounding area * Bachelor's degree in Computer Science, Information Technology, Engineering or a related field, or equivalent experience * 5+ years of experience in systems engineering, infrastructure administration or related IT roles * 3+ years of hands-on IBM i (iSeries/AS400) administration and support * Experience managing enterprise Windows Server and Linux environments * Experience with virtualization, storage, backup/recovery and networking * Knowledge of enterprise security, patch management, vulnerability remediation and access management * Experience troubleshooting complex infrastructure issues and performing root cause analysis * Experience supporting high-availability, disaster recovery and business continuity solutions * Strong understanding of system monitoring, performance tuning and capacity planning * Ability to create and maintain technical documentation and procedures * Ability to provide after-hours support as needed * Commitment to building security into all decisions and daily work, * IBM i administration experience, including security, BRMS, Power Systems, LPARs, performance management, PowerVM and VIOS * Experience with cloud and hybrid environments (Azure, AWS and/or Google Cloud Platform) * Experience with VMware, Hyper-V or Nutanix * Experience with enterprise storage, backup and disaster recovery technologies * Automation and scripting with PowerShell, Python, Ansible, Bash or similar tools * Working knowledge of networking, identity and access management, and infrastructure security * Experience with ITIL-based service management and change management processes * Experience supporting highly available, business-critical production environments * Relevant certifications in IBM i, cloud platforms, virtualization, infrastructure or IT service management ## Description * Administer, maintain and optimize IBM i (iSeries/AS400) systems for performance, availability and reliability * Manage IBM i security, user access, system upgrades, patching, backup, recovery and disaster recovery processes * Support high-availability and business continuity solutions for critical enterprise platforms * Design, implement and support enterprise infrastructure, including servers, storage, virtualization and cloud technologies * Administer and support Windows Server, Active Directory, DNS, DHCP and Linux environments * Manage and maintain virtualization platforms, including VMware and Hyper-V * Implement, support and optimize Microsoft Azure and hybrid cloud infrastructure * Monitor system performance, capacity and availability, and find and fix infrastructure issues before they cause problems * Lead incident resolution, root cause analysis and problem management for production systems * Plan, coordinate and carry out infrastructure changes and upgrades while keeping operational risk low * Develop and maintain disaster recovery, business continuity and operational support documentation * Apply security best practices, system hardening standards and vulnerability fixes * Manage identity and access controls across infrastructure platforms and services * Automate infrastructure administration and operational processes using scripting and automation tools * Support audit, compliance and regulatory requirements through strong infrastructure governance and controls * Partner with application, network, security and business teams to deliver reliable, scalable technology solutions