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Apr 4, 2026

**Experienced Mainframe Customer/1 Billing Expert – Long-Term Remote Contract Opportunity at arenaflex**

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At arenaflex, we're a leading innovator in the technology industry, dedicated to delivering cutting-edge solutions that transform the way businesses operate. Our team of experts is passionate about pushing the boundaries of what's possible, and we're now seeking an experienced Mainframe Customer/1 Billing Expert to join our remote workforce. As a seasoned professional with a strong background in mainframe customer/1 billing, you'll play a critical role in driving the success of our organization. With a minimum of 10+ years of experience in the field, you'll bring a wealth of knowledge and expertise to our team, helping us to deliver exceptional results for our clients. **Key Responsibilities:** * Provide specialized insights in customer service and service order management, leveraging your expertise to drive business growth and improvement. * Design, code, test, and debug mainframe applications using COBOL, JCL, DB2, and CICS, ensuring the highest level of quality and efficiency. * Collaborate closely with business analysts and project managers to understand requirements and implement solutions, driving project success and stakeholder satisfaction. * Ensure adherence to financial regulations and data security policies, maintaining the highest standards of compliance and security. * Assist with project documentation and training materials, helping to ensure seamless knowledge transfer and onboarding. * Coordinate with support teams to ensure timely issue resolution, providing exceptional customer service and support. **CSS Billing & Finance SME:** * Develop and maintain an understanding of customer-specific business environments and service level agreements, driving business growth and improvement. * Identify and resolve customer problems using defined procedures and documenting troubleshooting efforts, ensuring exceptional customer satisfaction. * Collaborate with support teams to ensure timely issue resolution, providing exceptional customer service and support. **CSS Billing & Finance Sr. Developer:** * Design, code, test, and debug mainframe applications using COBOL, JCL, DB2, and CICS, ensuring the highest level of quality and efficiency. * Develop and maintain financial transaction processing systems, ensuring accuracy and compliance with financial regulations. * Conduct system analysis and performance tuning to enhance efficiency, driving business growth and improvement. * Troubleshoot and resolve system issues, providing technical support and implementing enhancements. **CSS Billing & Finance Business Analyst:** * Gather requirements from stakeholders, translating business needs into technical requirements, driving project success and stakeholder satisfaction. * Analyze billing data, generate reports, and ensure compliance with financial regulations, maintaining the highest standards of accuracy and compliance. * Collaborate with developers to implement updates and enhancements in the mainframe billing system, driving business growth and improvement. * Identify and resolve billing discrepancies, ensuring seamless operations and exceptional customer satisfaction. **Essential Qualifications:** * Minimum 10+ years of experience in mainframe customer/1 billing, with a strong background in COBOL, JCL, DB2, and CICS. * Proven expertise in application development, project collaboration, data security and compliance, and documentation. * Strong analytical and problem-solving skills, with the ability to identify and resolve complex issues. * Excellent communication and interpersonal skills, with the ability to collaborate effectively with stakeholders and team members. **Preferred Qualifications:** * Experience working in a remote environment, with a strong ability to work independently and collaboratively as part of a virtual team. * Familiarity with financial regulations and data security policies, with a strong understanding of compliance and security best practices. * Experience with project management tools and methodologies, with a strong ability to manage multiple projects and priorities. * Strong knowledge of mainframe billing systems and processes, with a strong ability to analyze and improve business processes. **Skills and Competencies:** * Strong analytical and problem-solving skills, with the ability to identify and resolve complex issues. * Excellent communication and interpersonal skills, with the ability to collaborate effectively with stakeholders and team members. * Strong project management skills, with the ability to manage multiple projects and priorities. * Strong knowledge of mainframe billing systems and processes, with a strong ability to analyze and improve business processes. * Familiarity with financial regulations and data security policies, with a strong understanding of compliance and security best practices. **Career Growth Opportunities and Learning Benefits:** At arenaflex, we're committed to helping our employees grow and develop their careers. As a Mainframe Customer/1 Billing Expert, you'll have access to a range of learning and development opportunities, including: * Ongoing training and development programs, designed to help you stay up-to-date with the latest technologies and industry trends. * Mentorship and coaching, with experienced professionals who can help you develop your skills and expertise. * Opportunities for career advancement, with a range of roles and responsibilities available within the organization. **Work Environment and Company Culture:** At arenaflex, we're proud of our dynamic and inclusive work environment, which is designed to support the success of our employees. As a remote worker, you'll have the flexibility to work from anywhere, while still being part of a collaborative and supportive team. Our company culture is built around a set of core values, including: * Collaboration and teamwork * Innovation and creativity * Customer focus and satisfaction * Continuous learning and development * Diversity and inclusion **Compensation, Perks, and Benefits:** As a Mainframe Customer/1 Billing Expert at arenaflex, you'll be rewarded with a competitive salary and benefits package, including: * $65-$70 per hour, with opportunities for overtime and bonuses. * Comprehensive health and wellness benefits, including medical, dental, and vision coverage. * Retirement savings plan, with a company match. * Paid time off and holidays, with flexible scheduling options. * Access to a range of employee perks and discounts, including gym memberships and technology discounts. **How to Apply:** If you're a motivated and experienced Mainframe Customer/1 Billing Expert looking for a new challenge, we'd love to hear from you. Please submit your latest resume to [email protected], along with a cover letter outlining your experience and qualifications. We can't wait to hear from you!