Aptude, Inc in Naperville, IL has multiple openings for Senior Systems Software Developers to analyze requirements, plan, design, and implement system mapping solutions; Develops the processes to integrate different systems and tests the solution end-end. Develops and reviews procedures for map changes, enhancements, testing and deployment in the testing, development and production environments. Develops business processes per requirements. Develops inbound and outbound maps using Sterling Integrator (SI) and WTX in different EDI standards and data formats positional, database and delimited mapping.  Fully tests data transformation; analyzes and builds data using EDIFECS. Identifies and implements best solutions for migration mapping from Extol tool and Experia system.  Implements EDI standards and EDI communication protocols. Configures PGP encryption and decryption, create envelopes, FTP accounts, codelists, SSH profiles, Trading Partner Transports, Identities, Document Exchange, Packaging for internal and external communication.  Responsible for template and routing channel creation in Sterling File Gateway (SFG). Writes test scripts in Korn and Bash. Requires work experience with SI, SFG, Sterling Control Center, Sterling Secure Proxy, Connect Direct, Connect Enterprise and ITX, SAP system and with automated testing using SAP TAO and UFT tools.  Requires Bachelor’s Degree in Electronics or Systems Engineering or related field plus 5 years of progressively responsible experience as a Software Developer, Programmer/Analyst or Projects Associate. Equivalent foreign degrees accepted.  Travel and/or relocation to unidentified client sites nationwide required. Send resume/application to: jobs@aptude.com.