Postilion Implementor | Payments & Core Banking

Job Summary
Synechron is seeking a skilled Postilion Implementation Specialist to design, configure, implement, and support ACI Postilion solutions for ATM, POS, and online payments. The candidate will lead end-to-end Postilion deployment activities, integrate with core banking systems and CMS, ensure security and compliance, and coordinate with multiple stakeholders across locations. This role demands deep payments domain knowledge, strong technical acumen, and the ability to drive successful, on-time implementations.

Software Requirements

Required Skills (Essential)

• Hands-on experience with ACI Postilion (Postilion RealTime / Office) for switch deployment, configuration, and support

  
  

• Deep knowledge of Postilion components: ATM/POS device handlers, transaction routing, message parsing/formatting (ISO 8583 DEs/fields)

  
  

• Experience integrating Postilion with Core Banking Systems and Card Management Systems (CMS)

  
  

• Proficiency with payment message flows and lifecycle (Authorization, Clearing, Settlement)

  
  

• Working experience with ENTIA, Oracle, and IBM MQ

  
  

• Knowledge of ISO 8583 interfaces, card payment schemes, and dispute processing

  
  

• Experience performing SIT/UAT testing and providing production deployment support

  
  

• Strong SQL skills for reconciliation and data validation

  
  

• Excellent written and verbal communication for BRD/SRS, IA, Fit/Gap, and project documentation

  
  

• Ability to manage client configurations, implement patches, and coordinate deployments

  
  

Preferred Skills

• Experience with Visa/Mastercard scheme testing and certifications

  
  

• Knowledge of PCI-DSS or other banking security/compliance standards

  
  

• Familiarity with cloud deployments (Azure, AWS, or GCP) and Openshift

  
  

• Experience with automation scripting (Shell, Python) and test automation

  
  

• Familiarity with fraud systems integration or tokenization/digital payments

  
  

Overall Responsibilities

• Lead end-to-end Postilion implementation projects (ATM/POS acquiring & issuing), including requirements gathering, design, configuration, testing, and deployment

  
  

• Configure Postilion routing, message parsing/formatting, and device handlers; ensure seamless integration with Core Banking and CMS

  
  

• Translate business requirements into technical designs, BRDs, and IA/Gap analyses; contribute to project plans and estimates

  
  

• Support ISO 20022, ISO 8583, and payment modernization initiatives; manage scheme certifications as needed

  
  

• Manage and coordinate with cross-functional teams across locations (product, delivery, QA, operations)

  
  

• Troubleshoot incidents, analyze logs, and resolve payment processing issues; perform root-cause analysis

  
  

• Maintain and create project documentation, deployment guides, test plans, and governance artifacts

  
  

• Ensure modifications are engineered, tested, and packaged for client installation or handover

  
  

• Monitor and participate in channel testing, UAT, go-live, and post-implementation support

  
  

• Mentor junior team members and contribute to process improvements and best practices

  
  

Experience/Skills Required

• 6–10 years of experience in payments technology, banking applications, or financial services technology delivery

  
  

• Strong hands-on experience with ACI Postilion (Postilion RealTime / Office)

  
  

• Proficiency in Postilion CMS-related configuration and integration tasks

  
  

• Working knowledge of ISO 8583 (1987/1993), card interchange standards, and ATM/POS device handlers

  
  

• Experience with ENTIA, Oracle, and IBM MQ; SQL-based reconciliation

  
  

• Experience in API/host integrations and modernization initiatives

  
  

• Familiarity with Agile methodologies and cross-functional collaboration

  
  

• Strong problem-solving skills and stakeholder management

  
  

Preferred Experience

• Finacle or other core banking integrations experience

  
  

• Cloud deployment exposure (Azure/AWS/GCP) in banking contexts

  
  

• Knowledge of data security and encryption in payments

  
  

• Experience with testing (SIT/UAT) and production go-lives

  
  

Day-to-Day Activities

• Engage with stakeholders to capture business and technical requirements for Postilion projects

  
  

• Lead configuration, integration, testing, and deployment activities for Postilion solutions

  
  

• Develop and maintain BRD, SRS, IA, Fit/Gap, and project documentation

  
  

• Execute SIT/UAT and coordinate with CIO organization for test plans and results

  
  

• Troubleshoot payment processing issues, reversals, or reconciliation discrepancies

  
  

• Provide technical input to developers and participate in code/quality reviews

  
  

• Manage environment setups, patching, and release planning

  
  

• Mentor and coach team members; drive continuous improvement

  
  

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field

  
  

• Certifications in payments technology or enterprise software (preferred)

  
  

• Ongoing commitment to professional development in payments platforms and security practices

  
  

Professional Competencies

• Strategic thinking and strong analytical problem-solving

  
  

• Effective leadership and mentoring capabilities

  
  

• Clear, concise communication with diverse stakeholders

  
  

• Adaptability to evolving payment technologies and regulatory requirements

  
  

• Initiative and ability to drive process improvements

  
  

• Time management and ability to manage multiple initiatives simultaneously

  
  

S​YNECHRON’S DIVERSITY & INCLUSION STATEMENT
 

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.

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