Kyndryl Holdings, Inc.

Mainframe Network Engineer (Hybrid Role)

Kyndryl Holdings, Inc.$63K — $121K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience in mainframe networking or z/OS communications support
  • Familiarity with JCL, TSO/ISPF, SDSF
  • Ability to analyze communication-related logs and traces
  • Solid knowledge of TCP/IP on z/OS, VTAM, SNA, Enterprise Extender, TN3270, FTP/SFTP, and TLS.

Responsibilities

  • Install, configure, and maintain z/OS Communications Server components.
  • Support and manage TCP/IP configuration on z/OS systems.
  • Maintain and troubleshoot VTAM definitions and network resources.
  • Configure and support Enterprise Extender connectivities and maintain TN3270 access.
  • Ensure stable communication between mainframe systems and distributed servers, external vendors, and applications.
  • Diagnose and resolve IP routing, port communication, and DNS issues.
  • Support secure file transfer protocols such as FTP and SFTP.

Benefits

  • Opportunities for gaining certifications and professional growth.
  • Paths to advance to Architect or Distinguished Engineer roles.
  • Onsite work requirement fosters team collaboration.
  • Employee referral program available.
Full Job Description

The Role

The Mainframe Network Engineer is responsible for the design, configuration, implementation, and support of network connectivity for IBM mainframe environments. This role ensures reliable, secure, and high-performing communication between mainframe systems, distributed platforms, external partners, and enterprise applications. The engineer will work on key technologies such as TCP/IP, VTAM, SNA, Enterprise Extender, TN3270, FTP, and network security controls, supporting critical production workloads in large enterprise environments.

* This role requires employees to live in or around the Phoenix, AZ area. You will be responsible to be onsite 3 days a week.We will consider candidates who are willing to relocate to the area.

Responsibilities:

Mainframe Network Administration:

  • Install, configure, and maintain z/OS Communications Server components.
  • Support and manage TCP/IP configuration on z/OS systems.
  • Maintain and troubleshoot VTAM definitions and network resources.
  • Configure and support Enterprise Extender (EE) and SNA connectivity where applicable.
  • Maintain TN3270 access and session-related connectivity for end users and applications.

Network Connectivity & Support:

  • Ensure stable communication between mainframe systems and:
    • Distributed servers
    • External vendors/partners
    • Internal enterprise applications
    • Middleware platforms
  • Diagnose and resolve connectivity issues involving:
    • IP routing
    • Port communication
    • Session failures
    • DNS resolution
    • Firewall-related blocks
  • Support file transfer protocols such as FTP, SFTP, and other secure data exchange solutions.

Security & Compliance:

  • Work closely with network security teams to enforce secure communication protocols.
  • Ensure compliance with enterprise security controls and audit requirements.
  • Support SSL/TLS certificate implementation and secure transmission standards.
  • Assist with firewall rule validation, port usage reviews, and vulnerability remediation.

Disaster Recovery & Resiliency:

  • Support network design and recovery procedures for Disaster Recovery (DR) environments.
  • Validate communication paths for failover systems and backup data centers.
  • Participate in DR tests and business continuity exercises.

Your future at Kyndryl
There are lots of opportunities to gain certification and qualifications on the job, and you’ll continuously grow Many of our Mainframe Infrastructure Engineers are on a path toward becoming either an Architect or Distinguished Engineer, and there are opportunities at every skill level to grow in either of these directions.

Kyndryl currently does not require employees to be fully vaccinated against COVID-19, however, if you are hired to work at a client, customer, or partner location, you may be required to show proof ofvaccinationto align with their respective COVID-19vaccinationpolicies. Those who believe they are eligible may apply for a medical or religious accommodation prior to the start of employment.

Who You Are

Youre good at what you do and possess the required experience to prove it. However, equally as important 6 you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused 6 someone who prioritizes customer success in their work. And finally, youre open and borderless 6 naturally inclusive in how you work with others.

Required Qualifications:

  • Minimum 5+ years of experience in Typically in mainframe networking or z/OS communications support
  • Familiarity with JCL, TSO/ISPF, SDSF
  • Ability to analyze logs, traces, and dump information relevant to communications issues
  • Solid knowledge and experience on TCP/IP on z/OS , VTAM, SNA / Enterprise Extender, TN3270, FTP / SFTP and TLS.

Preferred Experience

  • Experience in supporting transmission products such as Connect Direct.
  • The ability to work independently as well as part of a team
  • Excellent troubleshooting and customer service skills
  • Participate in on-call rotation with the engineering teams.
  • The ability to follow a project through to completion, and/or to work as part of a larger team to complete the components of a complex project
  • IBM mainframe or networking certifications are a plus

3 days onsite per week, Phoenix Metro Area, Arizona

The compensation range for the position in the U.S. is $63,840 to $121,440

based on a full-time schedule. Your actual compensation may vary depending on your geography, job-related skills and experience. For part time roles, the compensation will be adjusted appropriately. The pay or salary range will not be below any applicable state, city or local minimum wage requirement.

This position will be eligible for Kyndryls discretionary annual bonus program, based on performance and subject to the terms of Kyndryls applicable plans. You may also receive a comprehensive benefits package which includes medical and dental coverage, disability, retirement benefits, paid leave, and paid time off. Note: If this is a sales commission eligible role, you will be eligible to participate in a sales commission plan in lieu of the annual discretionary bonus program. Applications will be accepted on a rolling basis.

Get Referred!
If you know someone that works at Kyndryl, when asked How Did You Hear About Us during the application process, select Employee Referral and enter your contact's Kyndryl email address.

About Kyndryl Holdings, Inc.

Kyndryl is an IT transformation services company. They offer network services, business resilience, and hybrid cloud solutions. Their services include applications, core enterprise and zcloud, the digital workplace, security and resiliency, cloud, data, and AI, network, and edge. They committed to the health and continuous improvement of the vital systems at the heart of the digital economy.

Kyndryl Holdings, Inc. Careers

Join the Pioneering Team at Kyndryl Holdings, Inc. At Kyndryl Holdings, Inc., we are at the forefront of technological innovation and service excellence, making this an ideal time to join our global team. As a leader in IT infrastructure services, we offer unparalleled job opportunities that propel your career to new heights. Work You’ll Do Embark on a career with Kyndryl Holdings, Inc. and be part of a team that transforms businesses and industries worldwide. Our professionals are not just part of a company; they are essential drivers of innovation and growth. With a commitment to leadership and diversity training, Kyndryl Holdings, Inc. stands out as a beacon of professional development and innovation in the tech industry. Our culture is built on the principles of open collaboration, leadership, and respect for diversity, ensuring a welcoming environment for all employees. Join our team and contribute to our mission of delivering high-quality solutions across various industries. At Kyndryl Holdings, Inc., your skills will be honed through challenging projects and a collaborative team environment. Innovative Work At Kyndryl Holdings, Inc., innovation isn't just a buzzword—it's the cornerstone of everything we do. With a focus on cutting-edge technology and industry expertise, our team is equipped to tackle some of the most critical challenges facing businesses today. Be Part of a Great Team Kyndryl Holdings, Inc. is not just about individual growth; it’s about collective success. The synergy of our team’s diverse skills leads to groundbreaking solutions and industry leadership. Our commitment to employee benefits and a supportive culture makes Kyndryl Holdings, Inc. a top choice for professionals seeking meaningful and rewarding careers. Future-Proof Your Career With Kyndryl Holdings, Inc., the path to professional advancement is clear. Our career development programs offer extensive training, certification support, and opportunities for growth, ensuring that your career trajectory is always upward. Explore Job Opportunities Whether you’re looking for a full-time position, an internship, or leadership roles, Kyndryl Holdings, Inc. offers a range of employment opportunities to match your career aspirations. Enhance your resume through hands-on experience that sets you apart in the job market. Kyndryl Holdings, Inc. Careers Network Stay connected with Kyndryl Holdings, Inc. through our dedicated careers network. Search open positions that align with your skills and interests. We are continuously hiring creative, curious, and motivated individuals who are ready to drive success in a dynamic work environment. Keep Up to Date Stay informed with the latest career tips, industry insights, and professional growth opportunities available at Kyndryl Holdings, Inc. Our careers blog provides valuable information to help you navigate your job search, prepare for interviews, and excel in your career. Job Alert Emails Customize your experience by subscribing to job alerts and insider tips tailored to your preferences. Discover the exciting and rewarding career opportunities waiting for you at Kyndryl Holdings, Inc. Join Kyndryl Holdings, Inc. today and be part of a team that values innovation, leadership, and a diverse skill set in driving technological advancements and business success.
Learn more about Kyndryl Holdings, Inc.
Market Cap
$2.5 billion
Industry
NASDAQ

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