Senior IBM Z Communications Systems Programmer (ALC Specialist)

DXC Technology

7d

About The Position

Job Description: Key Responsibilities ALC Development and Maintenance (Communications Focus): Write, debug, and maintain custom high-performance code written in Assembler Language Code (ALC/BAL) to support a communications application. System Diagnosis and Debugging: Perform advanced diagnostics, including reading and analyzing system dumps (SVC, ABEND) and network traces to identify and resolve complex, intermittent communications failures at the memory and instruction level. JCL and Automation: Develop and maintain complex JCL and REXX scripts for message processing automation, monitoring, and problem recovery. Required Skills and Experience 7+ years of direct, hands-on experience as an IBM Z Systems Programmer supporting high-volume transactional or communications environments. Expert-level proficiency in Assembler Language Code (ALC/BAL) is mandatory, with specific experience writing system for communications protocols (TCP/IP). Deep understanding of IBM z/Architecture, z/OS kernel operation, and cross-memory services. Experience with advanced debugging tools (e.g., IPCS) and specialized performance monitoring utilities (e.g., OMEGAMON, NetView). Strong knowledge of network protocols in the mainframe context (TCP/IP). Exceptional problem-solving skills and the ability to work independently on critical system failures. Preferred Qualifications A Bachelor’s degree in Computer Science or a related technical field. Current IBM Systems Programmer certification for z/OS. Familiarity with mainframe security products (e.g., RACF, ACF2) as they relate to network access and channel security. At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive. If you are an applicant from the United States, Guam, or Puerto Rico DXC Technology Company (DXC) is an Equal Opportunity employer. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, pregnancy, veteran status, genetic information, citizenship status, or any other basis prohibited by law. View postings below . We participate in E-Verify. In addition to the posters already identified, DXC provides access to prospective employees for the Federal Minimum Wage Poster, Federal Polygraph Protection Act Poster as well as any state or locality specific applicant posters. To access the postings in the link below, select your state to view all applicable federal, state and locality postings. Postings are available in English, and in Spanish, where required. View postings below. Postings Link Disability Accommodations If you are an individual with a disability, a disabled veteran, or a wounded warrior and you are unable or limited in your ability to access or use this site as a result of your disability, you may request a reasonable accommodation by contacting us via email. Please note: DXC will respond only to requests for accommodations due to a disability. Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available here. DXC Technology (NYSE: DXC) is a leading enterprise technology and innovation partner delivering software, services, and solutions to global enterprises and public sector organizations — helping them harness AI to drive outcomes at a time of exponential change with speed. With deep expertise in Managed Infrastructure Services, Application Modernization, and Industry-Specific Software Solutions, DXC modernizes, secures, and operates some of the world's most complex technology estates. Learn more on dxc.com.

Requirements

• 7+ years of direct, hands-on experience as an IBM Z Systems Programmer supporting high-volume transactional or communications environments.
• Expert-level proficiency in Assembler Language Code (ALC/BAL) is mandatory, with specific experience writing system for communications protocols (TCP/IP).
• Deep understanding of IBM z/Architecture, z/OS kernel operation, and cross-memory services.
• Experience with advanced debugging tools (e.g., IPCS) and specialized performance monitoring utilities (e.g., OMEGAMON, NetView).
• Strong knowledge of network protocols in the mainframe context (TCP/IP).
• Exceptional problem-solving skills and the ability to work independently on critical system failures.

Nice To Haves

• A Bachelor’s degree in Computer Science or a related technical field.
• Current IBM Systems Programmer certification for z/OS.
• Familiarity with mainframe security products (e.g., RACF, ACF2) as they relate to network access and channel security.

Responsibilities

• ALC Development and Maintenance (Communications Focus): Write, debug, and maintain custom high-performance code written in Assembler Language Code (ALC/BAL) to support a communications application.
• System Diagnosis and Debugging: Perform advanced diagnostics, including reading and analyzing system dumps (SVC, ABEND) and network traces to identify and resolve complex, intermittent communications failures at the memory and instruction level.
• JCL and Automation: Develop and maintain complex JCL and REXX scripts for message processing automation, monitoring, and problem recovery.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level