Job Description

Job Title: Mainframe Assembler Developer

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Role Summary

We are seeking an experienced Mainframe Assembler Developer with strong production support capabilities and deep expertise in Mainframe Assembler (MVS), JCL, and enterprise batch processing.

The ideal candidate will independently analyze, design, develop, and troubleshoot Mainframe-based applications while supporting mission-critical production environments.

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Key Responsibilities

Technical Responsibilities

• Conduct independent analysis and assessment to resolve Mainframe programming issues.
  

• Design, develop, modify, and maintain Assembler (MVS) programs and JCL to support application and project requirements.
  

• Perform production support activities including troubleshooting, defect resolution, performance optimization, and incident handling.
  

• Support system enhancements, product upgrades, and new development initiatives.
  

Production & Operational Support

• Provide on-call support on a rotational basis for critical applications.
  

• Execute production tasks to ensure timely, accurate, and efficient service delivery.
  

• Track milestones, operational metrics, and issue progress; recommend solutions and escalate when necessary.
  

• Independently manage non-routine situations and resolve technical challenges with minimal oversight.
  

Stakeholder & Cross-Functional Collaboration

• Build strong working relationships with internal and external stakeholders.
  

• Communicate application impacts, risks, and recommendations clearly to stakeholders and leadership.
  

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Required Skills & Qualifications

• Strong hands-on coding experience in Mainframe Assembler (MVS).
  

• Expertise in JCL design and maintenance.
  

• Experience supporting and maintaining Mainframe production applications.
  

• Ability to work independently on complex and non-routine issues.
  

• Strong communication, collaboration, and analytical skills.
  

• Proven data-driven decision-making capabilities.
  

• Typically 5–7 years of relevant IT experience plus a technology-related degree or equivalent combination of education and experience.
  

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Core Competencies

• Communication Skills: Strong written and verbal communication for technical and non-technical audiences.
  

• Collaboration & Teamwork: Ability to partner effectively with cross-functional teams and stakeholders.
  

• Analytical & Problem-Solving: Skilled in diagnosing complex Mainframe issues with accuracy.
  

• Influence Skills: Able to influence decisions and outcomes through technical expertise.
  

• Data-Driven Decision Making: Applies analytical insights to drive recommendations and actions.
  

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Desirable Skills (Optional)

• Knowledge of DB2 and enterprise batch scheduling.
  

• Experience with modernization initiatives or cross-platform integration/migration projects.
  

Requirements
Experience (Years): 4-6 Essential Skills: • Work with project teams throughout the organization to design, implement, and manage CDN infrastructure using Akamai, to ensure high availability, performance, and scalability for customer facing applications and business processes. • Handle multiple priorities and assignments with excellence and precision. • Be a part of a 24/7/365 organization (some after hours support is expected as part of normal on-call rotation). • Directly support line of business development teams, provide guidance to them on implementation and changes for customer facing applications • Develop and maintain security protocols and measures to protect CDN infrastructure from cyber threats. • Monitor and analyze network performance, identifying and resolving issues to optimize content delivery of critical applications. • Collaborate with cross-functional teams to integrate Akamai CDN solutions with existing systems and applications. • Collaborate with information security teams to implement DDoS protection strategies and other security measures in the CDN. • Provide technical support and guidance to clients and internal teams regarding CDN and security best practices. • Work closely with vendor and professional service teams on delivery related activities and strategy. Qualifications: • Bachelor’s degree in Computer Science, Information Technology, or a related field. OR similar work experience. • Strong understanding of network protocols (HTTP/HTTPS, DNS, TCP/IP). • Proven experience as a CDN Engineer or similar role, with a strong focus on cybersecurity. • In-depth knowledge of Content Delivery Network technologies, including caching, load balancing, and content optimization. • Excellent problem-solving skills and attention to detail. • Strong communication and teamwork abilities. • Experience supporting 24/7/365 customer facing applications at enterprise scale. • Awareness and experience with cybersecurity tools and practices, such as firewalls, intrusion detection/prevention systems, and encryption. • Proficiency in scripting and automation (e.g., Python, Bash) a plus. • Relevant certifications (e.g., CISSP, CEH) are a plus but not required.