Senior Systematics Engineer

FIS Management Services LLC; United States; On-site; USD 125,000 - 212,000; Full time

Benefits offered by this job

Competitive salary and benefits

Professional education and development

Job summary

FIS is seeking an experienced Mainframe Application Developer to support IBM z/OS applications, primarily using COBOL and JCL, in a high-volume financial services environment.

The role focuses on production support, troubleshooting, and modernization, with responsibilities spanning analysis, design, coding, testing, and documentation. Collaboration with analysts and clients is essential, and on-call rotation is included.

Qualifications

• 5+ years of IBM z/OS mainframe application development experience.

Responsibilities

• 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.
• Collaborate 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.

Tools

COBOL

JCL

CICS

DB2

VSAM

z/OS knowledge

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 institutions and core banking systems.

What we offer you:

Competitive salary and benefits. Flexible and creative work environment. The chance to work on some of the most challenging, relevant issues in financial services & technology. A broad range of professional education and personal development possibilities – FIS is your final career step! Time to support charities and give back in your community. FIS is committed to providing its employees with an exciting career opportunity and competitive compensation. The pay range for this full-time position is $124,600.00 - $211,820.00 and reflects the minimum and maximum target for new hire salaries for this position based on the posted role, level, and location. Within the range, actual individual starting pay is determined by additional factors, including job-related skills, experience, and relevant education or training. Any changes in work location will also impact actual individual starting pay. Please consult with your recruiter about the specific salary range for your preferred location during the hiring process.

Privacy Statement

FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.

EEOC Statement

FIS is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, genetic information, national origin, disability, veteran status, and other protected characteristics. The EEO is the Law poster is available here supplement document available here. For positions located in the US, the following conditions apply. If you are made a conditional offer of employment, you will be required to undergo a drug test.

ADA Disclaimer

In developing this job description care was taken to include all competencies needed to successfully perform in this position. However, for Americans with Disabilities Act (ADA) purposes, the essential functions of the job may or may not have been described for purposes of ADA reasonable accommodation. All reasonable accommodation requests will be reviewed and evaluated on a case‑by‑case basis.