Mainframe Developer

We Believe in Better! We are a global information technology company that builds high-performance, security-centric solutions that can help change the world. Enhancing people's lives through secure, reliable advanced technology is our vision. At Unisys, we believe in better! Here, you have the opportunity to learn new skills, apply your expertise, and solve complex problems with cutting edge technologies and solutions. You are part of a global diverse team that supports you, drives change, and delivers successful results consistently. Our associates are at the forefront of everything we do, driving our clients' successes while giving back to communities and making a positive impact on enhancing the quality of life to help make this world a safer and more secure place to live and work. Our success is a direct result of the work of our people who live and breathe our Core Beliefs. Simply put, we believe in better lives. Join us! Learn more about Unisys and our key solution offerings: Unisys, Stealth , CloudForte , Intelliserve What success looks like in this role: Unisys is seeking a mainframe application developer, working as part of a team that provides support and development to our Command and Control services for a London based Public Sector client. The team is responsible for maintaining a mission critical system that is a "system of systems". Essential Experience: * Participate in a Scrum team developing modern and innovative solutions for the client * Undertake implementation work on different modules of the product as required and be able to switch comfortably between areas of the product when necessary * Perform requirement analysis to create low level design artefacts for individual modules - translate requirements into designs * Implement modules based on High Level Designs and as per the project's quality guidelines * Perform Unit tests and test developed changes in Integration * Perform root cause analysis of potential issues reported on production as well as test environments * Implement fixes to address defects raised on the system * Provide status updates to project managers You will be successful in this role if you have: Preferred Skills: * COBOL development skills (on a mainframe is preferred) * An understanding of hierarchical and relational databases * An understanding of Transaction Processing is desirable * A good understanding of ITIL is preferred but not essential * An understanding of OS2200 Unisys mainframe technology is preferred but not essential Security Requirements: Candidates must be eligible for, and will be required to obtain, CTC clearance for this post (already having clearance is advantageous).