Senior Mainframe Developer / Technical Lead (COBOL) - Onsite

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Senior Mainframe Developer / Technical Lead (COBOL) - Onsite to join our team in Nashville, Tennessee (US-TN), United States (US). We are looking for a Senior Mainframe Developer / Technical Lead to provide technical leadership for enterprise mainframe applications supporting high-volume, mission-critical transaction processing. This role combines hands-on development, solution architecture, mentoring, and platform modernization to deliver reliable, scalable solutions that support key business initiatives. Job Responsibilities Include: Lead the design, development, and support of enterprise mainframe applications. Provide technical leadership and mentor developers while promoting engineering best practices. Design and maintain scalable architecture for high-volume, data-intensive systems. Establish and enforce development standards, code quality, and technical direction. Evaluate existing applications and recommend enhancements to improve performance, scalability, and reliability. Partner with Infrastructure and Operations teams to plan upgrades, optimize system performance, and resolve production issues. Collaborate with business and technical stakeholders to deliver innovative solutions and improve customer experience. Participate in architecture reviews, code reviews, unit testing, production support, and troubleshooting. Identify technical risks, recommend solutions, and drive continuous improvement initiatives. Basic Qualifications 8+ years of experience developing enterprise applications using COBOL, DB2, VSAM, and JCL . 5+ years of experience with CICS , including knowledge of Dynamic Transaction Routing . 5+ years of experience with DB2 utilities , File-AID , scheduling tools, and debugging tools. Preferred Skills: Strong understanding of distributed applications and systems integration. Experience supporting high-volume, fault-tolerant, mission-critical systems. Proven ability to troubleshoot complex production issues and optimize application performance. Strong analytical and problem-solving skills with the ability to identify risks and implement effective solutions. Experience leading technical initiatives and mentoring development teams. Excellent communication and collaboration skills with technical and business stakeholders. Ability to manage multiple priorities and deliver results in a fast-paced environment. Experience within Brokerage, Capital Markets, Banking, or Financial Services . Experience with platform modernization and performance optimization initiatives. Experience working with geographically distributed Agile teams. What You'll Bring Strong technical leadership with a hands-on development approach. Expertise in designing and supporting scalable enterprise mainframe applications. A passion for mentoring engineers and driving technical excellence. A continuous improvement mindset with a focus on quality, reliability, and operational excellence. NTT DATA provides a reasonable range of compensation for U.S.-based positions. The starting pay range for this role is $102,675 - $171,125 per annum. Actual compensation will depend on a number of factors, including the candidate’s relevant experience, technical skills, and other qualifications. This position may also be eligible for incentive compensation based on individual and/or company performance. This position is eligible for company benefits including medical, dental, and vision insurance with an employer contribution, flexible spending or health savings account, life and AD&D insurance, short and long term disability coverage, paid time off, employee assistance, participation in a 401k program with company match, and additional voluntary or legally-required benefits. #L1-NorthAmerica About NTT DATA NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D. Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com, @nttdatafed.com and @talent.nttdataservices.com email addresses. 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