Falcon Fraud Manager - Mainframe Engineer (Upgrade & Implementation

Falcon Fraud Manager - Mainframe Engineer (Upgrade & Implementation)

Basildon, United Kingdom | Posted on 06/17/2026

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UK Basildon (Onsite)
· UK right to work required (no sponsorship)

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Few months out —structured ramp-up and product training supported

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Day-rate contract or permanent

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Hands-on mainframe engineer to support FICO Falcon Fraud Manager versionupgrades and new card-issuer rollouts on a hosted card-fraud platform. You willown the z/OS side of the platform — configuration, rule deployment, batch andonline enhancements, defect resolution and live cutover support — working alongside Fraud Strategy and Data Science colleagues.

• 7+ years mainframe (z/OS): COBOL, JCL, DB2,CICS, VSAM
• Card / payments domain — issuer side, processorside, or switch side
• Hands-on production support and live cutoverdiscipline
• UK right to work

You don’t need to have touched Falcon directly. We will accept and traincandidates whose mainframe career has run alongside any of:

• Fraud / decisioning engines — SAS Fraud Management, NICE Actimize, IBM ODM, ACI Proactive Risk Manager, FICO Blaze Advisor, FICO TRIAD
• Credit-scoring / risk-model implementation onz/OS — PD / LGD / EAD models, scorecards, rule strategies, or any decisioninglogic deployed onto the mainframe
• Card-issuer fraud-ops or transaction-monitoring(AML, real-time scoring)

• Prior FICO Falcon Fraud Manager exposure at anyversion
• Prior tenure at Fiserv, FICO, FIS, TSYS, Visa,Mastercard, or a UK card-issuer fraud team (Barclaycard, Lloyds Cards,RBS/Nat West Cards, HSBC Cards, Capital One)
• Reporting:
  Business Objects, Crystal Reports,SAS

• Structured ramp-up and product training duringthe first weeks
• Open to candidates returning to work after aplanned break