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IBM i Infrastructure Systems Administrator - Careers at Robert Half

Robert Half

IBM i Infrastructure Systems Administrator - Careers at Robert Half

full-timePosted: Feb 4, 2026

Job Description

About the IBM i Infrastructure Systems Administrator Role

Robert Half is seeking a highly skilled IBM i Infrastructure Systems Administrator to join our dynamic team in Dayton, New Jersey. This critical full-time position is perfect for IT professionals with a passion for legacy systems like IBM i and AS/400, combined with modern Linux expertise. As a key player in our infrastructure team, you will ensure the reliability, security, and high performance of our enterprise systems. If you thrive in environments that bridge legacy technologies with cutting-edge applications, this role offers an exciting opportunity to make a tangible impact on business operations. With a competitive salary around $70,000 and comprehensive benefits, this position supports long-term career growth at a leading staffing and consulting firm renowned for technology placements.

Dayton, NJ, provides an ideal location with proximity to major hubs like New York City and Philadelphia, offering a balanced lifestyle with access to suburban amenities and urban opportunities. Our client values proactive problem-solvers who can optimize complex systems, troubleshoot under pressure, and drive seamless integrations. This role demands deep technical knowledge in IBM i administration, Linux management, and network optimization, making it a prime choice for seasoned sysadmins looking to advance their careers.

Key Responsibilities

System Management and Optimization

Take ownership of Linux and IBM i environments, ensuring 24/7 reliability and peak performance. This includes routine maintenance, performance monitoring, and proactive tuning to prevent downtime and support business continuity.

Troubleshooting and Repairs

Diagnose complex issues in legacy systems, execute repairs, and implement tuning strategies. Your expertise will minimize disruptions and extend the lifespan of critical AS/400 platforms.

Hardware and Migration Coordination

Lead hardware installations, software upgrades, and system migrations, coordinating with vendors and internal teams to maintain efficiency and scalability.

Security and Compliance

Design robust security protocols, conduct vulnerability assessments, and ensure adherence to data protection standards like GDPR and HIPAA, safeguarding sensitive information.

Network and Integration Expertise

Configure network protocols for IBM i, optimize connectivity, and develop custom integrations linking legacy systems to cloud-based or modern applications, enabling agile business processes.

Documentation and Collaboration

Maintain comprehensive documentation of processes, workflows, and security measures. Collaborate with developers, analysts, and stakeholders to align IT solutions with organizational goals.

Required Qualifications

To excel as our IBM i Infrastructure Systems Administrator, you need proven experience in managing hybrid environments. Key qualifications include:

  • 5+ years in IBM i/AS/400 and Linux systems administration
  • Expertise in legacy system troubleshooting, performance tuning, and repairs
  • Strong skills in network configuration, security implementation, and compliance
  • Hands-on experience with hardware upgrades, migrations, and custom integrations
  • Proficiency in monitoring tools, scripting (e.g., CL, RPG), and documentation practices
  • Bachelor's degree in Computer Science, IT, or related field preferred
  • Excellent communication skills for cross-functional teamwork
  • Certifications like IBM Certified System Administrator or Linux+ are a plus

Candidates must demonstrate a proactive approach to system enhancements and a track record of reducing downtime in mission-critical environments. SEO keywords: IBM i jobs Dayton NJ, AS/400 administrator, Linux sysadmin careers, legacy systems specialist.

Why Join Us at Robert Half?

At Robert Half, we empower technology professionals to reach their full potential. This role offers not just a job, but a career-launching opportunity with our global network. Enjoy a salary of approximately $70,000, plus bonuses, full health benefits, 401(k) matching, generous PTO, and ongoing training in emerging tech like cloud integration for IBM i. Our inclusive culture fosters innovation, with flexible work options and paths to senior roles. Join thousands of satisfied employees driving business success. Apply now for this high-demand IBM i Infrastructure Systems Administrator position in Dayton, New Jersey, and elevate your career with Robert Half today!

Locations

  • Dayton, New Jersey, United States

Salary

70,000 - 70,000 USD / yearly

Estimated Salary Rangehigh confidence

65,000 - 85,000 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • IBM i systems administrationintermediate
  • Linux system managementintermediate
  • Legacy systems troubleshootingintermediate
  • System performance tuningintermediate
  • Hardware installation and upgradesintermediate
  • Security protocol implementationintermediate
  • Network configuration for AS/400intermediate
  • Custom system integrationsintermediate
  • Compliance and data protectionintermediate
  • Cross-functional collaborationintermediate

Required Qualifications

  • Deep expertise in IBM i and Linux environments (experience)
  • Proven experience with legacy systems repair and optimization (experience)
  • Strong knowledge of AS/400 platforms and network protocols (experience)
  • Experience in designing integrations between legacy and modern systems (experience)
  • Proficiency in security measures and compliance standards (experience)
  • Ability to document processes and workflows effectively (experience)
  • Excellent troubleshooting and problem-solving skills (experience)
  • Collaborative mindset for working with cross-functional teams (experience)

Responsibilities

  • Manage and support Linux and IBM i system environments for reliability and performance
  • Diagnose and resolve issues in legacy systems, including repairs and tuning
  • Coordinate hardware installations, upgrades, and migrations
  • Develop and implement security protocols for system safeguarding and compliance
  • Configure and optimize network connectivity and protocols for IBM i and AS/400
  • Design and deploy custom integrations between legacy systems and modern applications
  • Provide technical expertise for system integration and legacy application support
  • Document processes, security measures, and workflows for consistency
  • Monitor system performance and recommend efficiency improvements
  • Collaborate with cross-functional teams to align solutions with business needs

Benefits

  • general: Competitive salary and performance-based incentives
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) retirement savings plan with company match
  • general: Paid time off, holidays, and flexible scheduling
  • general: Professional development and training opportunities
  • general: Career growth paths within Robert Half
  • general: Remote work flexibility where applicable
  • general: Employee assistance programs and wellness benefits

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Robert Half CareersJobs in Dayton, NJIBM i AdministratorAS/400 JobsLinux SysadminLegacy SystemsIT InfrastructureFinanceAccountingAdmin

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Robert Half logo

IBM i Infrastructure Systems Administrator - Careers at Robert Half

Robert Half

IBM i Infrastructure Systems Administrator - Careers at Robert Half

full-timePosted: Feb 4, 2026

Job Description

About the IBM i Infrastructure Systems Administrator Role

Robert Half is seeking a highly skilled IBM i Infrastructure Systems Administrator to join our dynamic team in Dayton, New Jersey. This critical full-time position is perfect for IT professionals with a passion for legacy systems like IBM i and AS/400, combined with modern Linux expertise. As a key player in our infrastructure team, you will ensure the reliability, security, and high performance of our enterprise systems. If you thrive in environments that bridge legacy technologies with cutting-edge applications, this role offers an exciting opportunity to make a tangible impact on business operations. With a competitive salary around $70,000 and comprehensive benefits, this position supports long-term career growth at a leading staffing and consulting firm renowned for technology placements.

Dayton, NJ, provides an ideal location with proximity to major hubs like New York City and Philadelphia, offering a balanced lifestyle with access to suburban amenities and urban opportunities. Our client values proactive problem-solvers who can optimize complex systems, troubleshoot under pressure, and drive seamless integrations. This role demands deep technical knowledge in IBM i administration, Linux management, and network optimization, making it a prime choice for seasoned sysadmins looking to advance their careers.

Key Responsibilities

System Management and Optimization

Take ownership of Linux and IBM i environments, ensuring 24/7 reliability and peak performance. This includes routine maintenance, performance monitoring, and proactive tuning to prevent downtime and support business continuity.

Troubleshooting and Repairs

Diagnose complex issues in legacy systems, execute repairs, and implement tuning strategies. Your expertise will minimize disruptions and extend the lifespan of critical AS/400 platforms.

Hardware and Migration Coordination

Lead hardware installations, software upgrades, and system migrations, coordinating with vendors and internal teams to maintain efficiency and scalability.

Security and Compliance

Design robust security protocols, conduct vulnerability assessments, and ensure adherence to data protection standards like GDPR and HIPAA, safeguarding sensitive information.

Network and Integration Expertise

Configure network protocols for IBM i, optimize connectivity, and develop custom integrations linking legacy systems to cloud-based or modern applications, enabling agile business processes.

Documentation and Collaboration

Maintain comprehensive documentation of processes, workflows, and security measures. Collaborate with developers, analysts, and stakeholders to align IT solutions with organizational goals.

Required Qualifications

To excel as our IBM i Infrastructure Systems Administrator, you need proven experience in managing hybrid environments. Key qualifications include:

  • 5+ years in IBM i/AS/400 and Linux systems administration
  • Expertise in legacy system troubleshooting, performance tuning, and repairs
  • Strong skills in network configuration, security implementation, and compliance
  • Hands-on experience with hardware upgrades, migrations, and custom integrations
  • Proficiency in monitoring tools, scripting (e.g., CL, RPG), and documentation practices
  • Bachelor's degree in Computer Science, IT, or related field preferred
  • Excellent communication skills for cross-functional teamwork
  • Certifications like IBM Certified System Administrator or Linux+ are a plus

Candidates must demonstrate a proactive approach to system enhancements and a track record of reducing downtime in mission-critical environments. SEO keywords: IBM i jobs Dayton NJ, AS/400 administrator, Linux sysadmin careers, legacy systems specialist.

Why Join Us at Robert Half?

At Robert Half, we empower technology professionals to reach their full potential. This role offers not just a job, but a career-launching opportunity with our global network. Enjoy a salary of approximately $70,000, plus bonuses, full health benefits, 401(k) matching, generous PTO, and ongoing training in emerging tech like cloud integration for IBM i. Our inclusive culture fosters innovation, with flexible work options and paths to senior roles. Join thousands of satisfied employees driving business success. Apply now for this high-demand IBM i Infrastructure Systems Administrator position in Dayton, New Jersey, and elevate your career with Robert Half today!

Locations

  • Dayton, New Jersey, United States

Salary

70,000 - 70,000 USD / yearly

Estimated Salary Rangehigh confidence

65,000 - 85,000 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • IBM i systems administrationintermediate
  • Linux system managementintermediate
  • Legacy systems troubleshootingintermediate
  • System performance tuningintermediate
  • Hardware installation and upgradesintermediate
  • Security protocol implementationintermediate
  • Network configuration for AS/400intermediate
  • Custom system integrationsintermediate
  • Compliance and data protectionintermediate
  • Cross-functional collaborationintermediate

Required Qualifications

  • Deep expertise in IBM i and Linux environments (experience)
  • Proven experience with legacy systems repair and optimization (experience)
  • Strong knowledge of AS/400 platforms and network protocols (experience)
  • Experience in designing integrations between legacy and modern systems (experience)
  • Proficiency in security measures and compliance standards (experience)
  • Ability to document processes and workflows effectively (experience)
  • Excellent troubleshooting and problem-solving skills (experience)
  • Collaborative mindset for working with cross-functional teams (experience)

Responsibilities

  • Manage and support Linux and IBM i system environments for reliability and performance
  • Diagnose and resolve issues in legacy systems, including repairs and tuning
  • Coordinate hardware installations, upgrades, and migrations
  • Develop and implement security protocols for system safeguarding and compliance
  • Configure and optimize network connectivity and protocols for IBM i and AS/400
  • Design and deploy custom integrations between legacy systems and modern applications
  • Provide technical expertise for system integration and legacy application support
  • Document processes, security measures, and workflows for consistency
  • Monitor system performance and recommend efficiency improvements
  • Collaborate with cross-functional teams to align solutions with business needs

Benefits

  • general: Competitive salary and performance-based incentives
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) retirement savings plan with company match
  • general: Paid time off, holidays, and flexible scheduling
  • general: Professional development and training opportunities
  • general: Career growth paths within Robert Half
  • general: Remote work flexibility where applicable
  • general: Employee assistance programs and wellness benefits

Target Your Resume for "IBM i Infrastructure Systems Administrator - Careers at Robert Half" , Robert Half

Get personalized recommendations to optimize your resume specifically for IBM i Infrastructure Systems Administrator - Careers at Robert Half. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "IBM i Infrastructure Systems Administrator - Careers at Robert Half" , Robert Half

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Robert Half CareersJobs in Dayton, NJIBM i AdministratorAS/400 JobsLinux SysadminLegacy SystemsIT InfrastructureFinanceAccountingAdmin

Answer 10 quick questions to check your fit for IBM i Infrastructure Systems Administrator - Careers at Robert Half @ Robert Half.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.