17 Mainframe Assembler Jobs

Primary skills: Mainframe Assembler, HLASM, IBM z/OS HLASM, Assembler programming . Job Overview: We are seeking an Assembler Developer to join our team working on a cutting-edge z/OS security product. The ideal candidate will have solid experience in assembler programming, a working knowledge of REXX, and a background in z/OS mainframe systems programming. This role requires adaptability to our agile work environment and a commitment to learning and implementing Rockets methodologies. Key Responsibilities: Develop, maintain, and enhance assembler code within a secure z/OS environment. • Collaborate with cross-functional teams in an agile work setting to meet project deadlines. • Follow established guidelines and directions while adapting to new technologies and processes. • Utilize JCL, utilities, and ISPF effectively to support mainframe operations. • Contribute to improving product security through continuous learning and application of best practices. Required Qualifications: Proven experience in assembler programming on z/OS systems. Basic to intermediate REXX knowledge. Hands-on experience with z/OS mainframe systems programming. Familiarity with agile work methodologies and ability to thrive in a collaborative environment. Excellent understanding of JCL, related utilities, and ISPF. Ability to quickly learn new technologies and adapt to Rockets way of doing things. Strong attention to detail and the capacity to follow precise directions. Minimum 5 years of software engineering experience. Required skills: 5 - 8 years of software engineering experience Experience in Problem diagnosis, dump reading and debugging (with IPCS a plus) Mainframe assembler programming experience z/OS utilities, JCL and REXX DB2 experience CICS experience Preferred Qualifications: Writes code faster than the average developer. Outstanding quality with few bugs in generated code. Experience with project management tools such Jira

Primary skills: Mainframe Assembler, HLASM, IBM ZOS HLASM, Assembler programming . Job Overview: We are seeking a skilled Mainframe Developer with a strong background in security practices and proficiency in Assembler programming to join our team. The ideal candidate will design, develop, and maintain mainframe applications, focusing on robust security integration, efficient performance, and adherence to industry best practices. This role offers the opportunity to work on cutting-edge mainframe security solutions in a collaborative and innovative environment. Key Responsibilities: Design, develop, test, and maintain mainframe applications using Assembler and other mainframe programming languages. Implement and enhance security features to safeguard sensitive data and ensure compliance with industry standards. Collaborate with cross-functional teams, including architects, QA engineers, and DevOps professionals, to deliver scalable and secure solutions. Analyze and optimize application performance to meet high availability and efficiency standards. Troubleshoot and resolve complex system issues related to mainframe applications. Document technical designs, system configurations, and operational procedures. Stay updated on the latest advancements in mainframe technologies and security practices Required Skills and Qualifications: Minimum 9+ years of software engineering experience with Bachelors degree in Computer Science, Information Technology, or a related field. Proven experience as a Mainframe Developer with expertise in Assembler programming . Strong understanding of mainframe security concepts and protocols (e.g., RACF, ACF2, or Top Secret). Hands-on experience with mainframe tools like TSO/ISPF, JCL, DB2, IMS , and CICS . Familiarity with encryption, secure coding practices, and compliance requirements in mainframe environments. Proficient in debugging, analyzing dumps, and optimizing Assembler code. Excellent problem-solving skills and the ability to work effectively in a collaborative team environment. Strong written and verbal communication skills. Preferred Qualifications: Experience with z/OS , z/VM , or similar mainframe operating systems. Knowledge of modern DevOps practices in mainframe environments (e.g., Jenkins for CI/CD, version control systems like Git). Exposure to IBM or other enterprise-level mainframe products. Certification in mainframe technologies or security frameworks (e.g., CISSP). Education: Bachelors/Masters degree in Computer Science or equivalent

Location:Hyderabad,Bangalore,Chennai,Mumbai,Kolkata,Pune,Gurguram Work Mode:Hybrid Experinece:8years Key Responsibilities: Develop, debug, and optimize Assembler programs on mainframe systems (z/OS, MVS). Work with tools like IPCS, XDC, FILEAID for issue analysis and resolution. Integrate assembler code with COBOL, PL/I, or Java as required. Optimize performance using tools like IBM RMF, OMEGAMON . Troubleshoot complex system issues and support large-scale implementations. Participate in client calls and provide workarounds and solutions. Required Skills: Strong Assembler programming expertise. Knowledge of JCL, CICS, DB2 , and z/OS internals (JES2, SMS, HSM). Good understanding of mainframe debugging and performance tools. Preferred Skills: Excellent communication, client interaction, and problem-solving abilities. Experience estimating, designing, and delivering complex mainframe solutions.

Job Description: We are looking for a skilled Mainframe Assembler with strong experience in COBOL, JCL, and Assembler (HLASM), preferably with exposure to insurance administration products (LifeComm or Life70). The ideal candidate will have strong analytical abilities and excellent communication skills to work effectively across teams. Key Responsibilities: Develop, maintain, and support mainframe applications using COBOL, JCL, and HLASM. Collaborate with cross-functional teams to analyze business requirements and provide effective technical solutions. Perform code reviews, testing, and debugging. Prepare and maintain technical documentation. Must-Have Skills: Strong hands-on experience with COBOL, JCL, and Mainframe Assembler (HLASM) Solid understanding of mainframe application development and support Good verbal and written communication skills Strong analytical and problem-solving abilities Good-to-Have: Experience with Insurance products (LifeComm or Life70)

Job Requirements: Insurance administration products knowledge (either LifeComm or Life70) any one Mainframe Assembler (HLASM), Cobol, JCL skills must have skills Sound verbal and written communication skills Good analytical skills

Role Purpose The purpose of the role is to support process delivery by ensuring daily performance of the Production Specialists, resolve technical escalations and develop technical capability within the Production Specialists. Do Oversee and support process by reviewing daily transactions on performance parameters Review performance dashboard and the scores for the team Support the team in improving performance parameters by providing technical support and process guidance Record, track, and document all queries received, problem-solving steps taken and total successful and unsuccessful resolutions Ensure standard processes and procedures are followed to resolve all client queries Resolve client queries as per the SLAs defined in the contract Develop understanding of process/ product for the team members to facilitate better client interaction and troubleshooting Document and analyze call logs to spot most occurring trends to prevent future problems Identify red flags and escalate serious client issues to Team leader in cases of untimely resolution Ensure all product information and disclosures are given to clients before and after the call/email requests Avoids legal challenges by monitoring compliance with service agreements Handle technical escalations through effective diagnosis and troubleshooting of client queries Manage and resolve technical roadblocks/ escalations as per SLA and quality requirements If unable to resolve the issues, timely escalate the issues to TA & SES Provide product support and resolution to clients by performing a question diagnosis while guiding users through step-by-step solutions Troubleshoot all client queries in a user-friendly, courteous and professional manner Offer alternative solutions to clients (where appropriate) with the objective of retaining customers and clients business Organize ideas and effectively communicate oral messages appropriate to listeners and situations Follow up and make scheduled call backs to customers to record feedback and ensure compliance to contract SLAs Build people capability to ensure operational excellence and maintain superior customer service levels of the existing account/client Mentor and guide Production Specialists on improving technical knowledge Collate trainings to be conducted as triage to bridge the skill gaps identified through interviews with the Production Specialist Develop and conduct trainings (Triages) within products for production specialist as per target Inform client about the triages being conducted Undertake product trainings to stay current with product features, changes and updates Enroll in product specific and any other trainings per client requirements/recommendations Identify and document most common problems and recommend appropriate resolutions to the team Update job knowledge by participating in self learning opportunities and maintaining personal networks Mandatory Skills: MainFrame ASSEMBLER Experience: 5-8 Years

Primary skills: Mainframe Assembler, HLASM, IBM z/OS HLASM, Assembler programming . Job Overview: We are seeking an Assembler Developer to join our team working on a cutting-edge z/OS security product. The ideal candidate will have solid experience in assembler programming, a working knowledge of REXX, and a background in z/OS mainframe systems programming. This role requires adaptability to our agile work environment and a commitment to learning and implementing Rockets methodologies. Key Responsibilities: Develop, maintain, and enhance assembler code within a secure z/OS environment. • Collaborate with cross-functional teams in an agile work setting to meet project deadlines. • Follow established guidelines and directions while adapting to new technologies and processes. • Utilize JCL, utilities, and ISPF effectively to support mainframe operations. • Contribute to improving product security through continuous learning and application of best practices. Required Qualifications: Proven experience in assembler programming on z/OS systems. Basic to intermediate REXX knowledge. Hands-on experience with z/OS mainframe systems programming. Familiarity with agile work methodologies and ability to thrive in a collaborative environment. Excellent understanding of JCL, related utilities, and ISPF. Ability to quickly learn new technologies and adapt to Rockets way of doing things. Strong attention to detail and the capacity to follow precise directions. Minimum 5 years of software engineering experience. Required skills: 5 - 8 years of software engineering experience Experience in Problem diagnosis, dump reading and debugging (with IPCS a plus) Mainframe assembler programming experience z/OS utilities, JCL and REXX DB2 experience CICS experience Preferred Qualifications: Writes code faster than the average developer. Outstanding quality with few bugs in generated code. Experience with project management tools such Jira

Primary skills: Mainframe Assembler, HLASM, IBM ZOS HLASM, Assembler programming . Job Overview: We are seeking a skilled Mainframe Developer with a strong background in security practices and proficiency in Assembler programming to join our team. The ideal candidate will design, develop, and maintain mainframe applications, focusing on robust security integration, efficient performance, and adherence to industry best practices. This role offers the opportunity to work on cutting-edge mainframe security solutions in a collaborative and innovative environment. Key Responsibilities: Design, develop, test, and maintain mainframe applications using Assembler and other mainframe programming languages. Implement and enhance security features to safeguard sensitive data and ensure compliance with industry standards. Collaborate with cross-functional teams, including architects, QA engineers, and DevOps professionals, to deliver scalable and secure solutions. Analyze and optimize application performance to meet high availability and efficiency standards. Troubleshoot and resolve complex system issues related to mainframe applications. Document technical designs, system configurations, and operational procedures. Stay updated on the latest advancements in mainframe technologies and security practices Required Skills and Qualifications: Minimum 9+ years of software engineering experience with Bachelors degree in Computer Science, Information Technology, or a related field. Proven experience as a Mainframe Developer with expertise in Assembler programming . Strong understanding of mainframe security concepts and protocols (e.g., RACF, ACF2, or Top Secret). Hands-on experience with mainframe tools like TSO/ISPF, JCL, DB2, IMS , and CICS . Familiarity with encryption, secure coding practices, and compliance requirements in mainframe environments. Proficient in debugging, analyzing dumps, and optimizing Assembler code. Excellent problem-solving skills and the ability to work effectively in a collaborative team environment. Strong written and verbal communication skills. Preferred Qualifications: Experience with z/OS , z/VM , or similar mainframe operating systems. Knowledge of modern DevOps practices in mainframe environments (e.g., Jenkins for CI/CD, version control systems like Git). Exposure to IBM or other enterprise-level mainframe products. Certification in mainframe technologies or security frameworks (e.g., CISSP). Education: Bachelors/Masters degree in Computer Science or equivalent

Role : Mainframe Assembler Mandate Skills : Mainframe with ConnexExperience : 8-12 Yrs Required Candidate profile Immediate Joiners Preferred.

Role : Mainframe Assembler Mandate Skills : Mainframe with ConnexExperience : 8-12 Yrs Required Candidate profile Immediate Joiners Preferred.

PositionMainframe Assembler Developer Experience6+ years LocationBangalore Must have Minimum 4+ years of experience in Assembly or Assembler Works in the area of Software Engineering, which encompasses the development, maintenance and optimization of software solutions/applications.1. Applies scientific methods to analyse and solve software engineering problems.2. He/she is responsible for the development and application of software engineering practice and knowledge, in research, design, development and maintenance.3. His/her work requires the exercise of original thought and judgement and the ability to supervise the technical and administrative work of other software engineers.4. The software engineer builds skills and expertise of his/her software engineering discipline to reach standard software engineer skills expectations for the applicable role, as defined in Professional Communities.5. The software engineer collaborates and acts as team player with other software engineers and stakeholders. Primary Skills Minimum 4+ Years of experience in Assembler , JCL and Zos Secondary Skills Verbal Communication

The Mainframe Assembler HLASM, JCL, MQ role involves working with relevant technologies, ensuring smooth operations, and contributing to business objectives. Responsibilities include analysis, development, implementation, and troubleshooting within the Mainframe Assembler HLASM, JCL, MQ domain.

BMC is looking for an Assembler Developer who will be responsible for developing products and solutions according to design specifications. This is an amazing role that will allow you to work on a broad array of critical, unique issues and complex programs and solutions. You will also build prototypes and use other techniques to achieve product definition and design goals. To ensure youre set up for success, you will bring the following skillset & experience: Around 4 years of experience working with mainframe applications in an IBM z/OS environment. Hands-on experience with key technologies like Assembler, JCL, VSAM, ISPF, SDSF, and JES2/3. Familiarity with at least one database system such as IMS or DB2, preferably in an Agile setting. Good understanding of diagnostics, debugging, and troubleshooting mainframe issues. Experience using Agile methods and tools like JIRA for project tracking. Ability to write clear and concise technical documentation for applications and features. Strong problem-solving, communication, and team collaboration skills. Basic understanding of the software development lifecycle. Preferred/Desirable Skills (Nice to Have): • Some exposure to SMP/E or z/OSMF. • Familiarity with IBM terms like PTF and APAR .• Interest or experience in Java development on z/OS.

BMC is looking for a Assembler Developer, an innovator at heart, to join us and design, develop, and implement complex applications, using the latest technologies. To ensure youre set up for success, you will bring the following skillset & experience: * 4-5 years of experience with z/OS Processing Environment. * 4-5 years of experience in Assembler development, using 64-bit Assembler and 31-bit Assembler. * Coding experience in a multitasking, reentrant and/or sysplex environment. * Experienced creating functional designs/specifications from business requirements. * Experience with IBM Mainframe environment (TSO/ISPF, JCL etc.). * Excellent knowledge of z/OS structure and logic including knowledge of z/OS operating system internals. * Experience in developing working code utilizing low-level operating system functions to accomplish a desired task. * Understanding of zLinux and Unix System Services. * In depth experience in troubleshooting complex problems at application and systems levels. * Self-starter with ability to work both independently and as a part of a team. * Fluent English (written and verbal) Whilst these are nice to have, our team can help you develop in the following skills: * Experience in C / C++ development * Experience with TCP/IP and related networking protocols. * Experience with monitoring tools for systems and subsystems in z/OS environments.

Primary skills: Mainframe Assembler, HLASM, IBM ZOS HLASM, Assembler programming . Job Overview: We are seeking a skilled Mainframe Developer with a strong background in security practices and proficiency in Assembler programming to join our team. The ideal candidate will design, develop, and maintain mainframe applications, focusing on robust security integration, efficient performance, and adherence to industry best practices. This role offers the opportunity to work on cutting-edge mainframe security solutions in a collaborative and innovative environment. Key Responsibilities: Design, develop, test, and maintain mainframe applications using Assembler and other mainframe programming languages. Implement and enhance security features to safeguard sensitive data and ensure compliance with industry standards. Collaborate with cross-functional teams, including architects, QA engineers, and DevOps professionals, to deliver scalable and secure solutions. Analyze and optimize application performance to meet high availability and efficiency standards. Troubleshoot and resolve complex system issues related to mainframe applications. Document technical designs, system configurations, and operational procedures. Stay updated on the latest advancements in mainframe technologies and security practices Required Skills and Qualifications: Minimum 9+ years of software engineering experience with Bachelors degree in Computer Science, Information Technology, or a related field. Proven experience as a Mainframe Developer with expertise in Assembler programming . Strong understanding of mainframe security concepts and protocols (e.g., RACF, ACF2, or Top Secret). Hands-on experience with mainframe tools like TSO/ISPF, JCL, DB2, IMS , and CICS . Familiarity with encryption, secure coding practices, and compliance requirements in mainframe environments. Proficient in debugging, analyzing dumps, and optimizing Assembler code. Excellent problem-solving skills and the ability to work effectively in a collaborative team environment. Strong written and verbal communication skills. Preferred Qualifications: Experience with z/OS , z/VM , or similar mainframe operating systems. Knowledge of modern DevOps practices in mainframe environments (e.g., Jenkins for CI/CD, version control systems like Git). Exposure to IBM or other enterprise-level mainframe products. Certification in mainframe technologies or security frameworks (e.g., CISSP).

Primary skills: Mainframe Assembler, HLASM, IBM z/OS HLASM, Assembler programming . Job Overview: We are seeking an Assembler Developer to join our team working on a cutting-edge z/OS security product. The ideal candidate will have solid experience in assembler programming, a working knowledge of REXX, and a background in z/OS mainframe systems programming. This role requires adaptability to our agile work environment and a commitment to learning and implementing Rockets methodologies. Key Responsibilities: Develop, maintain, and enhance assembler code within a secure z/OS environment. Collaborate with cross-functional teams in an agile work setting to meet project deadlines. Follow established guidelines and directions while adapting to new technologies and processes. Utilize JCL, utilities, and ISPF effectively to support mainframe operations. Contribute to improving product security through continuous learning and application of best practices. Required Qualifications: Proven experience in assembler programming on z/OS systems. Basic to intermediate REXX knowledge. Hands-on experience with z/OS mainframe systems programming. Familiarity with agile work methodologies and ability to thrive in a collaborative environment. Excellent understanding of JCL, related utilities, and ISPF. Ability to quickly learn new technologies and adapt to Rockets way of doing things. Strong attention to detail and the capacity to follow precise directions. Minimum 5 years of software engineering experience. Required skills: 5 - 8 years of software engineering experience Experience in Problem diagnosis, dump reading and debugging (with IPCS a plus) Mainframe assembler programming experience z/OS utilities, JCL and REXX DB2 experience CICS experience Preferred Qualifications: Writes code faster than the average developer. Outstanding quality with few bugs in generated code. Experience with project management tools such Jira

Role & responsibilities Preferred candidate profile