Customer/1 CSS Developer

CTG is seeking an experienced Customer/1 CSS Developer to support a leading client in the energy and utilities industry. This role requires deep expertise in Customer/1 Customer Service Systems (CSS), with a strong focus on Service Orders, Billing, Finance, and Mainframe application development within IBM zOS environments. Location: Remote Duration: 9 months

Key Responsibilities

Analyze, design, develop, and support Customer/1 CSS applications and enhancements. Develop and maintain Service Order, Billing, and Finance modules. Perform coding, unit testing, regression testing, and deployment support. Collaborate with business stakeholders and technical teams to troubleshoot and resolve application issues. Support application lifecycle management, documentation, and production deployments. Work within IBM Mainframe zOS environments using COBOL, JCL, DB2, SQL, and C. Required Skills Deep expertise with Customer/1 CSS applications. Strong utility/energy industry experience. Hands-on development experience with COBOL, JCL, DB2, SQL, and C. Knowledge of IBM Mainframe zOS technologies including VSAM, REXX, and TSO/ISPF. Strong understanding of Service Orders, Billing, and Finance functional areas. Excellent analytical, troubleshooting, and communication skills.

Nice to Have

Experience with JIRA, Xray, DBeaver, ITT, and Migtrax. Familiarity with CICS, IMS-DC, IMS-DB, PL/1, or Assembler. Experience supporting enterprise-scale utility systems. Education & Experience Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field preferred. Equivalent experience will be considered. Proven experience supporting and developing Customer/1 CSS applications in Mainframe environments. Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required. CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee based recruitment services for this role. To Apply: To be considered, please apply directly to this requisition using the link provided. Kindly forward this to any other interested parties. Thank you! The expected base salary for this position ranges from $48.00 to $53.00/hour. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, market factors, and where applicable, licensure or certifications obtained. In addition to salary, a competitive benefit package is also offered. About CTG CTG, a Cegeka company, delivers IT and business solutions that enhance clients’ digital agility, empowering them to seize new opportunities and overcome any challenge. Backed by more than 60 years’ experience and a commitment to being a reliable, results-driven partner, we work shoulder to shoulder with clients to shape digital together. Our vision is to be an indispensable partner to our clients and the preferred career destination for digital and technology experts. With more than 9,000 team members in over 15 countries, we combine global expertise with local insight to deliver innovative solutions. We operate across the Americas, Europe, and India, working with over 3,000 clients in many of today's highest-growth industries. Together, we shape what’s next—working shoulder to shoulder to deliver impactful solutions for our clients and society. Our culture is built by the people who work at CTG, the values we hold, and the actions we take. It's a living, breathing thing that is renewed every day through the ways we engage with each other, our clients, and our communities. At CTG, you’ll find a workplace where you are encouraged to grow, supported in your ambitions, and empowered to shape your own career journey. For more information, visit www.ctg.com. CTG will consider for employment all qualified applicants including those with criminal histories in a manner consistent with the requirements of all applicable local, state, and federal laws. CTG is an Equal Opportunity Employer. CTG will assure equal opportunity and consideration to all applicants and employees in recruitment, selection, placement, training, benefits, compensation, promotion, transfer, and release of individuals without regard to race, creed, religion, color, national origin, sex, sexual orientation, gender identity and gender expression, age, disability, marital or veteran status, citizenship status, or any other discriminatory factors as required by law. CTG is fully committed to promoting employment opportunities for members of protected classes. Apply To This Job