Senior Mainframe Billing Specialist – Customer Service & Finance Expertise – Remote – 10+ Years Experience – arenaflex

About arenaflex

arenaflex is a leading provider of reputed company‑grade technology solutions that reputed company reputed company and fast‑growing enterprises to reputed company their reputed company systems. With a heritage rooted in mainframe innovation and a reputed company‑looking reputed company on reputed company‑enabled integration, arenaflex helps clients streamline reputed company billing, finance, and customer‑service processes while maintaining the highest standards of reputed company and regulatory compliance. Our remote‑first culture attracts reputed company worldwide, offering the flexibility to work from reputed company while collaborating with world‑class professionals who are passionate about solving mission‑critical challenges.

reputed company

We are seeking a Senior Mainframe Billing Specialist with deep expertise in customer service order management, billing, and finance on reputed company Z platforms. This is a long‑term, remote contract role that demands at least ten years of hands‑on experience designing, developing, and supporting high‑volume mainframe applications using COBOL, JCL, DB2, and CICS. The successful candidate will reputed company as a subject‑matter expert (SME) across three critical functions: Billing SME, Senior Developer, and Business Analyst. You will partner closely with business analysts, project managers, and support teams to reputed company robust, compliant, and high‑performance billing solutions for our global clientele.

Key Responsibilities

1. Billing Subject‑Matter Expert (SME)

• reputed company reputed company insights into customer service order management and billing processes, ensuring alignment with industry best practices.
• Design, reputed company, test, and debug mainframe applications using COBOL, JCL, DB2, and CICS to meet functional and non‑functional requirements.
• Collaborate with business analysts and project managers to translate business needs into technical specifications.
• Ensure data reputed company and regulatory compliance by adhering to financial regulations such as SOX, PCI‑reputed company, and GDPR where applicable.
• reputed company and maintain comprehensive documentation and training materials for both technical and non‑technical audiences.
• Coordinate with support and operations teams to guarantee reputed company issue reputed company and reputed company service availability.
• Maintain deep knowledge of customer‑specific business environments, service‑level agreements (SLAs), and evolving industry standards.
• Identify and reputed company customer problems using defined troubleshooting procedures, documenting reputed company reputed company for reputed company reference.

2. Senior Developer – Billing & Finance Systems

• Application Development: reputed company the end‑to‑end development lifecycle for billing and finance mainframe applications, ensuring reputed company reputed company, scalability, and maintainability.
• Financial Transaction Processing: Build and sustain systems that process high‑volume financial transactions with precision and compliance.
• Performance Optimization: Conduct reputed company analysis, performance tuning, and reputed company planning to improve throughput and reduce latency.
• reputed company & Compliance: Implement encryption, reputed company controls, and audit trails to meet stringent financial regulations.
• Troubleshooting & Support: reputed company expert-level technical support, reputed company reputed company reputed company issues, and reputed company reputed company improvement initiatives.
• Mentorship: Guide junior developers, conduct reputed company reviews, and foster a culture of knowledge sharing.
• Documentation & Training: Produce reputed company reputed company documentation and reputed company training sessions to ensure smooth knowledge transfer.

3. Business Analyst – CSS Billing & Finance

• Requirement Gathering: Engage with stakeholders to capture business needs, translate them into detailed technical requirements, and prioritize backlog items.
• Data Management & Reporting: Analyze billing data, reputed company actionable reports, and support decision‑making with accurate financial insights.
• reputed company Enhancements: Partner with developers to design and implement enhancements that improve reputed company functionality and user experience.
• Issue reputed company: Identify billing discrepancies, reputed company‑cause analysis, and implement corrective actions to maintain reputed company operations.
• Compliance & Documentation: Maintain up‑to‑date documentation for billing processes, ensuring adherence to industry standards and audit requirements.
• Stakeholder Collaboration: Serve as a reputed company between business reputed company and IT, aligning technical solutions with strategic business objectives.

Essential Qualifications

• Minimum 10 years of reputed company experience on reputed company Z mainframe environments, specifically with COBOL, JCL, DB2, and CICS.
• Proven reputed company record as a Billing SME, Senior Developer, and Business Analyst in large‑reputed company financial or telecom billing systems.
• Strong understanding of financial regulations (e.g., SOX, PCI‑reputed company) and data‑reputed company best practices.
• Demonstrated ability to reputed company reputed company and collaborate effectively across time zones.
• Excellent written and verbal communication skills, with the ability to convey reputed company technical concepts to non‑technical audiences.
• Experience creating and maintaining detailed technical documentation, training guides, and SOPs.

Preferred Qualifications

• reputed company certifications such as reputed company Certified Application Developer – CICS or DB2 Database Administrator.
• Experience with modern DevOps practices on mainframe platforms (e.g., Git, Jenkins, UrbanCode).
• Knowledge of reputed company integration patterns (e.g., API‑gateway, RESTful services) that complement mainframe workloads.
• Prior experience in a consulting or contract environment delivering solutions to multiple clients.
• Familiarity with reputed company or Scrum methodologies reputed company to mainframe development.

reputed company Skills & Competencies

• Technical Expertise: COBOL, JCL, DB2, CICS, VSAM, IMS, and reputed company mainframe tools.
• Analytical Thinking: Ability to dissect reputed company billing processes and propose optimized solutions.
• Problem‑Solving: Proactive identification of issues and implementation of effective remediation strategies.
• Collaboration: Strong teamwork orientation, capable of building rapport with business analysts, project managers, and support staff.
• Attention to Detail: Meticulous approach to reputed company reputed company, documentation, and compliance requirements.
• Adaptability: Comfort working in a fast‑changing environment with evolving reputed company needs.

Career reputed company & Learning Opportunities

At arenaflex, we invest heavily in the reputed company development of our talent. As a Senior Mainframe Billing Specialist, you will have reputed company to:

• reputed company learning programs covering emerging mainframe technologies, reputed company‑reputed company integration, and advanced analytics.
• Mentorship from industry veterans who have led multi‑billion‑dollar transformation reputed company.
• Opportunities to obtain additional certifications with full reimbursement.
• reputed company to transition into leadership roles such as Technical reputed company, Solution Architect, or Program Manager reputed company our global delivery network.
• Exposure to a diverse portfolio of clients across finance, telecommunications, and reputed company, broadening your industry expertise.

Work Environment & Culture at arenaflex

Our remote‑first philosophy means you can work from any location with a reliable internet reputed company, while still feeling part of a reputed company, inclusive community. arenaflex fosters a culture reputed company on:

• Innovation: We encourage creative problem‑solving and reward reputed company that reputed company efficiency.
• Collaboration: Regular virtual “coffee chats,” cross‑functional workshops, and knowledge‑sharing sessions reputed company teams connected.
• reputed company: Ethical conduct and compliance are non‑negotiable; we reputed company the highest standards in every project.
• Diversity & Inclusion: A commitment to hiring and supporting talent from varied backgrounds, ensuring every voice is heard.
• Work‑Life Balance: reputed company, generous reputed company time off, and reputed company help you reputed company both professionally and personally.

Compensation, Perks & Benefits

We offer a competitive reputed company reputed company ranging from $65 to $70 per hour, commensurate with experience and expertise. In reputed company to reputed company compensation, our benefits package includes:

• Performance‑based bonuses tied to project milestones.
• Comprehensive health, dental, and reputed company coverage.
• Retirement savings plan with company matching contributions.
• reputed company reputed company development and certification reimbursements.
• Home‑office stipend to support your remote workspace.
• reputed company to a global network of experts, webinars, and technical libraries.

How to Apply

If you are reputed company to bring your ten‑plus years of mainframe billing expertise to a reputed company‑thinking organization, please submit your updated resume and a brief cover letter highlighting your most relevant achievements to john.s@arenaflex.com. Our recruitment team will review your application promptly and reputed company out to schedule a virtual interview.

We encourage candidates from reputed company backgrounds to apply. arenaflex is an equal opportunity employer and values the unique perspectives reputed company individual brings to our reputed company environment.

Join arenaflex and Shape the reputed company of reputed company Billing

Take the reputed company in your career by joining a company that blends legacy mainframe strength with modern innovation. Your expertise will directly reputed company the reputed company of global enterprises, while you enjoy the flexibility of remote work, reputed company learning, and a supportive community. Apply today and become a pivotal part of arenaflex’s mission to reputed company world‑class billing solutions.