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IBM i Infrastructure Systems Administrator

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Robert Half

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Location:
United States , Dayton

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

We are looking for a skilled IBM i Infrastructure Systems Administrator to join our team in Dayton, New Jersey. In this role, you will be responsible for maintaining and optimizing Linux and IBM i environments, ensuring system reliability, security, and seamless integration with business applications. The ideal candidate will bring deep expertise in legacy systems and modern technologies, along with a proactive approach to troubleshooting and system enhancements.

Job Responsibility:

  • Manage and support Linux and IBM i system environments, ensuring their reliability and performance
  • Diagnose and resolve issues in legacy systems, including performing repairs and tuning for optimal performance
  • Coordinate hardware installations, upgrades, and migrations to maintain system efficiency
  • Develop and implement security protocols to safeguard systems and ensure compliance with data protection standards
  • Configure and optimize network connectivity, protocols, and performance for IBM i and AS/400 platforms
  • Design and deploy custom integrations between legacy systems and modern applications or infrastructure
  • Provide technical expertise for system integration, security enhancements, and legacy application support
  • Document processes, security measures, and workflows to ensure operational consistency
  • Monitor system performance and recommend improvements to enhance efficiency and security
  • Collaborate with cross-functional teams to align technology solutions with business needs

Requirements:

  • Proven experience in configuring and maintaining Linux and IBM i systems, including hardware
  • Strong understanding of server architecture, legacy environments, and networking fundamentals
  • Expertise in implementing security measures such as user access controls, encryption, and audit compliance
  • Proficiency in networking technologies for IBM i systems, including protocols like TCP/IP and firewall configurations
  • Experience with custom integrations, such as connecting AS/400 systems to APIs, databases, or cloud platforms
  • Ability to troubleshoot complex issues related to hardware, networking, and security
  • Excellent analytical and problem-solving skills with strong attention to detail
  • Familiarity with system monitoring tools, scripting, and integration frameworks is preferred

Nice to have:

Familiarity with system monitoring tools, scripting, and integration frameworks

What we offer:
  • medical
  • vision
  • dental
  • life and disability insurance
  • company 401(k) plan

Additional Information:

Job Posted:
January 07, 2026

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