What are the responsibilities and job description for the Mainframe Developer position at CGI?
Position Description
CGI Federal is seeking a Mainframe Developer to support a large federal agency's enterprise application ecosystem. This role focuses on the development, enhancement, and sustainment of mission-critical mainframe applications and batch processing systems within a z/OS environment. The position requires strong technical expertise in legacy systems and the ability to support integration with modern enterprise platforms.
This position is located in Woodlawn, MD.
Your future duties and responsibilities
CGI Federal's benefits are offered to eligible professionals on their first day of employment to include:
Together, as owners, let’s turn meaningful insights into action.
Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…
You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.
Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.
Come join our team—one of the largest IT and business consulting services firms in the world.
Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business.
CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at US_Employment_Compliance@cgi.com. You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned.
We make it easy to translate military experience and skills! Click here to be directed to our site that is dedicated to veterans and transitioning service members.
All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.
CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI’s legal duty to furnish information.
CGI Federal is seeking a Mainframe Developer to support a large federal agency's enterprise application ecosystem. This role focuses on the development, enhancement, and sustainment of mission-critical mainframe applications and batch processing systems within a z/OS environment. The position requires strong technical expertise in legacy systems and the ability to support integration with modern enterprise platforms.
This position is located in Woodlawn, MD.
Your future duties and responsibilities
- Design, develop, enhance, and maintain mainframe applications and batch processes in support of enterprise systems.
- Develop and maintain batch job workflows, including scheduling, monitoring, and error resolution.
- Collaborate with cross-functional teams to support integration between mainframe and distributed systems, APIs, and enterprise services.
- Analyze, troubleshoot, and resolve production issues, including defect triage, root cause analysis, and system performance concerns.
- Write and maintain technical documentation, including program specifications, job flows, and operational procedures.
- Support testing activities, including unit, integration, and regression testing, ensuring adherence to quality standards.
- Participate in Agile ceremonies and provide regular status updates, deliverables, and development logs.
- Ensure system reliability, data integrity, and compliance with agency standards and security requirements.
- Proven experience leveraging advanced JCL utilities to develop, maintain, and troubleshoot mainframe systems and batch jobs
- Intermediate level COBOL / JCL / REXX / Control-M / Dialog Manager knowledge and working skills
- Ability to obtain and maintain Public Trust clearance
- Bachelor's degree 7 years of relevant IT experience (or equivalent)
- Proven experience developing and supporting applications in IBM z/OS mainframe environments
- Strong experience with COBOL development, JCL, and mainframe data processing
- Experience working with DB2, CICS, TSO/ISPF, and standard IBM utilities
- Strong troubleshooting, analytical, and problem-solving skills within batch and online systems
- Experience with job scheduling tools (e.g., Control-M or equivalent)
- Ability to communicate effectively with technical and non-technical stakeholders
- Experience supporting federal agencies or large enterprise mainframe environments
- Familiarity with CLIST or automation frameworks
- Experience with mainframe modernization or integration with distributed/cloud platforms
- Working knowledge of DevOps practices, CI/CD pipelines, or automated testing in hybrid environments
- Exposure to API integration frameworks such as z/OS Connect or similar technologies
CGI Federal's benefits are offered to eligible professionals on their first day of employment to include:
- Competitive compensation
- Comprehensive insurance options
- Matching contributions through the 401(k) plan and the share purchase plan
- Paid time off for vacation, holidays, and sick time
- Paid parental leave
- Learning opportunities and tuition assistance
- Wellness and Well-being programs
Together, as owners, let’s turn meaningful insights into action.
Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…
You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.
Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.
Come join our team—one of the largest IT and business consulting services firms in the world.
Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business.
CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at US_Employment_Compliance@cgi.com. You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned.
We make it easy to translate military experience and skills! Click here to be directed to our site that is dedicated to veterans and transitioning service members.
All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.
CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI’s legal duty to furnish information.