Mainframe Developer
Cognizant’s Digital Engineering practice is seeking a highly qualified Mainframe Developer with 8+ years’ experience developing and building high-performing, scalable, enterprise applications. You will be part of a digital software team that works on high-demand applications. Our engineers have a passion for high-quality, reliable, and maintainable code. You will work side by side with product managers, designers, and clients, making decisions together to quickly deliver valuable working software to clients and their users. Our engineers are agile and retrospective, and not afraid to identify what we’re doing wrong, so we can fix it, and what we’re doing right, so we can improve on it. Above all, we judge success by the success of our team and the happiness of our customers.
Cognizant Digital Engineering If you’re like us, you’ve got big ideas. At Cognizant, we’re exploring new ideas every day. We help industry leading companies reinvent their business models and innovate products that create new value—by connecting people with things, insights, and experiences. Cognizant digital engineering designs, engineers and delivers digital products and experiences that drive digital-first business models. We offer the most comprehensive digital engineering expertise and client-centric methodology for sustainable innovation.
Location: New Jersey, NJ, USA (Onsite)
You must be legally authorized to work in the USA without the need for employer sponsorship, now or at any time in the future.
Roles/Responsibilities:
· Design, develop, test, and maintain mission-critical banking applications using COBOL, CICS, JCL, DB2, and VSAM
· Build and support CICS online transactions for core banking functions such as account management, fund transfers, and loan processing
· Write and tune DB2 SQL queries, stored procedures, and perform explain plan analysis for high-volume financial data
· Create, maintain, and troubleshoot JCL batch jobs supporting end-of-day, end-of-month, and regulatory reporting cycles
· Diagnose and resolve production issues, system failures, and performance bottlenecks in a zero-downtime banking environment
· Conduct code reviews, enforce coding standards, and mentor junior developers
· Collaborate with business analysts, architects, and compliance teams across the full SDLC — from requirements to deployment
· Support mainframe modernization initiatives including integration with digital banking platforms and REST APIs
· Ensure all development adheres to banking regulations, audit controls, and security standards (SOX, PCI-DSS, FFIEC)
· Maintain thorough technical documentation including design specs, runbooks, and change management records
Required Qualifications:
· 10+ years of hands-on IBM mainframe development experience, preferably in banking or financial services
· Expert-level proficiency in COBOL and CICS transaction programming
· Strong command of JCL, z/OS utilities (SORT, IDCAMS, IEBGENER), and batch processing
· Deep knowledge of DB2 — SQL optimization, bind/rebind, and performance tuning for large financial datasets
· Solid experience with VSAM file structures and access methods
· Familiarity with REXX/CLIST scripting for automation
· Understanding of banking domain concepts — core banking, payments (ACH, SWIFT, Fedwire), GL, and reconciliation
· Exposure to mainframe-to-distributed integration (MQ, APIs, Web Services) is a plus
· Knowledge of DevOps for mainframe tools like Zowe, IDz, or DBB is highly desirable.
Salary and Other Compensation:
The annual salary for this position is between $ 60,000– $ 99,000 USD depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
Medical/Dental/Vision/Life Insurance
Paid holidays plus Paid Time Off
401(k) plan and contributions
Long-term/Short-term Disability
Paid Parental Leave
Employee Stock Purchase Plan
Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Why Choose Cognizant?
It takes a lot to succeed in today’s fast-paced market, and Cognizant Technology Solutions has become a leader in the industry. We love big ideas and even bigger dreams! We stand out because we put human experiences at the core. Our associates enjoy robust benefits and training opportunities from our industry-recognized, award-winning Academy team. You will have access to hundreds of technical trainings to keep your skillsets fresh and have opportunities to acquire certifications on the newest technologies.
Everything we do at Cognizant we do with passion—for our clients (fortune 100 companies), our communities, and our organization. It’s the defining attribute that we look for in our people.
If you love ambiguity, excited by change, and excel through autonomy, we’d love to hear from you!
About Cognizant Digital Engineering
Well-designed software transcends digital technology, going beyond the fulfillment of basic requirements to focus instead on human needs. Within Cognizant Digital Engineering, we help clients develop software products that transform human insights into tangible, production-ready digital solutions. We also work with our clients to scale their native cloud applications. Using insights from the lived experiences of our consumers, we seamlessly replace traditional service strategies with engaging, precise, and direct digital applications. Designing phenomenal software is vital to success in the digital economy—and we understand that a human-centric approach is key to this design.
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La communauté Cognizant :
Nous sommes une équipe de professionnels dont les membres s'apprécient et se soutiennent mutuellement. Nos collaborateurs sont les garants d'un lieu de travail dynamique, collaboratif et inclusif où chacun peut s'épanouir.
- Cognizant est une communauté mondiale qui compte plus de 300 000+ collaborateurs dans le monde entier.
- Nous ne nous contentons pas de rêver de façons idéales, nous apportons des améliorations concrêtes
- Nous prenons soin de nos collaborateurs, de nos clients, de notre entreprise, de nos communautés et du climat, en faisant ce qui est juste.
- Nous favorisons un environnement innovant où vous pouvez construire le plan de carrière qui vous convient.
À propos de nous :
Cognizant (NASDAQ : CTSH) est un concepteur d’IA et un fournisseur de services technologiques. Avec notre gamme de solutions IA full-stack, nous accompagnons nos clients au carrefour de l’investissement dans l’IA et de la valeur ajoutée. Notre grande expertise sectorielle, des processus et de l’ingénierie nous permet de convertir le contexte propre à chaque entreprise en systèmes technologiques amplificateurs du potentiel humain, générateurs de résultats tangibles et garants de l’avantage des acteurs internationaux dans un monde en constante évolution. Découvrez notre méthode sur www.cognizant.com ou suivez @cognizant.
Cognizant est un employeur soucieux de l'égalité des chances entre candidats. Votre candidature sera étudiée indépendamment de votre race, couleur, sexe, religion, croyances, orientation sexuelle, identité de genre, origine, handicap, informations génétiques, grossesse, statut d'ancien militaire ou de toute autre critère jugé discriminant par les lois européennes ou françaises.
Vous êtes porteur d'un handicap, vous pouvez-nous contacter par courriel [email protected] si vous souhaitez préciser les aménagements nécessaires pour le poste ou les entretiens à venir.
Mentions légales :
Les informations relatives à la rémunération du poste à pourvoir dépendent de la date de publication de l’offre de poste. Cognizant se réserve le droit de modifier ces informations à tout moment, sous réserve des lois applicables.
Les candidats peuvent être invités à participer à des entretiens en face à face ou par vidéoconférence. En outre, les candidats peuvent être amenés à présenter une carte d'identité valide lors de chaque entretien.