Senior Systematics Engineer
Job Description
About FIS :
Are you curious, motivated, and forward-thinking? At FIS you'll have the opportunity to work on some of the most challenging and relevant issues in financial services and technology. Our talented people empower us, and we believe in being part of a team that is open, collaborative, entrepreneurial, passionate, and above all fun.
About the team:
Our team is responsible for the development, maintenance, and production support of mission-critical IBM z/OS mainframe applications , including FIS Systematics and proprietary banking systems supporting a Large Financial Institution (LFI) client. We are seeking an experienced Mainframe Application Developer with strong COBOL and JCL expertise to support, enhance, and modernize core banking solutions.
This role is heavily focused on mainframe development, production support, troubleshooting, and system enhancements within a high-volume financial services environment. The ideal candidate will have hands-on experience working with COBOL, JCL, CICS, DB2, VSAM, and IBM z/OS technologies , along with a passion for solving complex technical and business challenges.
What you will be doing:
- Develop, enhance, maintain, and support IBM z/OS mainframe applications using COBOL, JCL, and related technologies.
- Analyze, design, code, test, debug, document, implement, and maintain mainframe software solutions.
- Research and resolve production issues within complex banking applications and batch processing environments.
- Create and modify JCL, batch jobs, utilities, and supporting application components.
- Perform root cause analysis for application failures, production incidents, and performance issues.
- Analyze existing mainframe application logic and implement system enhancements based on business and client requirements.
- Partner with business analysts, architects, and client stakeholders to translate requirements into technical designs.
- Develop and maintain technical specifications, design documents, and operational procedures.
- Participate in code reviews and promote mainframe development best practices.
- Recommend opportunities for application modernization, process improvements, and operational efficiencies.
- Support system integration testing, user acceptance testing, and production implementation activities.
- Provide technical leadership and mentoring to junior developers and team members.
- Participate in the programmer on-call rotation supporting critical banking applications.
- Collaborate with distributed systems, operations, and infrastructure teams as needed.
- Perform other related duties as assigned.
What you bring:
- 5+ years of IBM z/OS mainframe application development experience.
- Strong proficiency in COBOL and JCL programming.
- Experience supporting and troubleshooting production mainframe applications.
- Experience with mainframe batch processing, job scheduling, and job execution analysis.
- Experience using mainframe debugging, testing, and diagnostic tools.
- Experience working in financial services, banking, or other high-volume transaction processing environments.
- Knowledge of software development lifecycle methodologies and application support processes.
- Strong analytical and problem-solving skills with the ability to diagnose complex production issues.
- Excellent verbal and written communication skills.
- Ability to work independently and effectively manage multiple priorities in a fast-paced environment.
Bonus if you have:
- Experience with FIS Systematics applications.
- Experience with AM-ALS (Advanced Lending System), TX (Tax), and/or GN (Architecture Systems) modules.
- Experience with CICS, DB2, VSAM, IDCAMS, Sort, File Manager, Abend-AID, XPEDITOR, or similar mainframe tools.
- Experience with Assembler programming.
- Familiarity with mainframe performance tuning and capacity planning.
- Experience supporting large financial institutio