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Mainframe Network Engineer

R Systems, Inc.
Jersey, NJ Full Time
POSTED ON 4/4/2025
AVAILABLE BEFORE 6/4/2025

Job Details

Position: Mainframe Network Engineer
Location: New Jersey, NJ
Duration: Long Term

About R Systems:
R Systems is a leading digital product engineering company that designs and develops chip-to-cloud software products, platforms, and digital experiences that empower its clients to achieve higher revenues and operational efficiency. Our product mindset and engineering capabilities in Cloud, Data, AI, and CX enable us to serve key players in the high-tech industry, including ISVs, SaaS, and Internet companies, as well as product companies in telecom, media, finance, manufacturing, and health verticals.

We Are Great Place to Work Certified in 10 countries with a full-time workforce [India, USA, Canada, Poland, Romania, Moldova, Indonesia, Singapore, Malaysia & Thailand]!

We are recognized as one of the Best Tech Brands 2024 by the Times Group and India's Top 500 Value Creators 2023 by Dun & Bradstreet.
Company Link:
Job Requirement:
Mandatory Skills: Zos, Linux, TCP, IBM MQ, CICS

Job Description;
We are seeking a highly skilled Mainframe Network Engineer to ensure the high availability, performance, and security of our z/OS Mainframe and related network components. The ideal candidate will be responsible for maintaining the z/OS Communication Server, and providing expert-level support for mainframe networking technologies, including IBM MQ, IBM Omegamon, and CICS. This role requires strong problem-solving skills, project management expertise, and the ability to collaborate with cross-functional teams.

Key Responsibilities:
  • Ensure high availability of the z/OS Mainframe and related network components, including TCP/IP.
  • Maintain and support the z/OS Communication Server in alignment with industry standards and customer needs.
  • Coordinating efforts with application and z/OS Mainframe teams.
  • Diagnose, document, and resolve Mainframe network-related issues involving z/OS, z/Linux, TCP/IP, VTAM, IBM MQ, IBM Omegamon, CICS, Connect:Direct (NDM), FTP, and other mainframe products.
  • Monitor and report on system and product performance using tools like IBM Omegamon.
  • Evaluate, analyze, test, and implement Mainframe network software technologies, security features, and performance monitoring tools.
  • Provide training and communication to associates and clients regarding new upgrades and products.
  • Identify and implement cost reduction and efficiency improvement strategies to optimize mainframe networking environments.

Qualifications & Skills:
  • Extensive experience with z/OS Mainframe networking and related components (TCP/IP, VTAM, IBM MQ, IBM Omegamon, and CICS).
  • Expertise in Mainframe network troubleshooting, performance monitoring (IBM Omegamon), and system optimization.
  • Experience in CICS transaction management and network performance tuning.
  • Project management experience with strong cross-team coordination skills.
  • Knowledge of Mainframe security best practices and compliance standards.
  • Excellent problem-solving, documentation, and communication skills.

Why Join R Systems?
  • Frequent Internal Hackathons: Engage in dynamic competitions with exciting prizes to keep your skills sharp.
  • Cultural Celebrations: Strengthen our familial bonds through shared celebrations, fostering a sense of community.
  • Diverse Project Exposure: Work on a variety of projects across sectors like Healthcare, Banking, e-commerce, and Retail, collaborating with leading global brands.
  • Centre of Excellence (COE): Benefit from technical guidance and upskilling opportunities provided by our team of technology experts, helping you navigate your career path.
  • E-Learning Platform: Gain access to comprehensive e-learning platforms coupled with a robust mentorship program to enhance your skills.
  • Open Door Policy: Embrace a culture of mutual support, respect, and open dialogue, promoting a collaborative work environment.


If you are passionate and excited about working in a fast-paced, innovative environment, we would love to hear from you!
R Systems is an equal opportunity employer that does not discriminate against any employee or job applicant because of race, color, religion, national origin, sex, physical or mental disability, age, or any other characteristic protected by law. We strive to build a team that reflects the diverse communities we serve, and we actively encourage applications from individuals of all backgrounds and experiences. Our commitment to equal opportunity extends to all aspects of employment, including recruitment, hiring, training, promotion, and benefits.
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Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

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