Senior Software Engineer (Assembler)

Company: 21CS
Location: Morristown
Posted on: April 15, 2025

Job Description:

21CS is an international software development company, with our U.S Centre of Excellence and Development Lab located in Morristown, New Jersey.We develop and maintain Mainframe-based software products, partnering with leaders in the Z industry, to service our global customer network. We provide innovative, modern solutions aimed at growing and revitalizing the Z platform.We have a talented team and provide a flexible and fun working environment. We encourage continued development of our team members, and as we are a growing company, our employees have many different career pathways available to them.About the role:21CS is looking for a skilled Z/OS software developer to maintain, design, test and code using HL assembler for our data migration product. This role is responsible for architecture, design and code functionality for enterprise-level products that meet business and customer requirements. You will perform complex code modification, analysis, testing, and debugging tasks as well as provide input related to product futures. Candidates should have a background in Z/OS systems software development or other Z/OS development experience with a strong desire to learn Z/OS operating system internals and related technology.Strong technical skills and a passion for learning are necessary to accomplish company and personal goals.This is a full-time position.Benefits and Perks:Great location, close to amenities and easily accessible via public transport. We offer a friendly, fun work environment and mentorship by experienced and highly skilled team members. We also support flexible working practices.Experience and Skills:

• Minimum 5+ years of experience with HL assembler programming
• Minimum 5+ years of experience with z/OS software development
• TSO, ISPF, SDSF
• IPCS
• ISMF and ACS routines
• RACF
• GTF trace
• SCLM/GIT
• Preferably some experience with IBM z/OS XL C/C++ and REXX
• Software architect experience
• Strong analytical and troubleshooting skills.
• Strong teamwork skill and high personal integrity
• Strong interpersonal and communication skills
• Commitment to learning new technologies as needed.
• Ability to work independently and in a team environment.Education:
• Bachelor's or better in Computer Science.QualificationsEducationPreferredBachelors or better in Computer Science.
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Keywords: 21CS, Wayne , Senior Software Engineer (Assembler), IT / Software / Systems , Morristown, New Jersey