HP NonStop (Tandem) Developer

Location: Toronto, ON

Type: Contract

About the Role

We are seeking a Tandem Java Developer to provide Level 2/Level 3 production support, development, enhancement, troubleshooting, and maintenance for critical Capital Markets, Treasury, Payments, Processing, Settlement, and Reconciliation applications running on HP NonStop (Tandem) platforms.

The role requires strong hands-on experience with HP NonStop/Tandem environments, Java/application support, databases, middleware, and production incident management.

Responsibilities

- Provide Level 2/Level 3 support for business-critical applications running on HP NonStop/Tandem platforms.
- Perform hands-on development, enhancements, troubleshooting, and maintenance of ATLAS applications.
- Analyze and resolve production incidents, service disruptions, and application performance issues within defined SLAs.
- Ensure stability, availability, and performance of high-volume transaction processing systems.
- Collaborate with business users, operations teams, architects, infrastructure, and engineering teams to resolve technical issues and implement improvements.
- Perform root cause analysis (RCA) and implement preventive measures to minimize recurring incidents.
- Support application deployments, releases, upgrades, and environment changes across development, testing, and production.
- Participate in production release and change-management activities.
- Troubleshoot application, database, middleware, and infrastructure-related issues within the NonStop environment.

HP NonStop / Tandem Platform Administration
- Administer and support HP NonStop (Tandem) systems to maintain high availability and operational resilience.
- Utilize TACL, FUP, SCF, OSS, SQL/MP, SQL/MX, and Enscribe for system administration, troubleshooting, and performance optimization.
- Monitor NonStop system health, capacity, availability, and performance.
- Support DSM/SCM activities, including software deployment, version control, and change management.




- Work with infrastructure/SSHW teams to maintain operating system currency and implement recommended HPE NonStop SPRs and critical patches.
- Participate in infrastructure maintenance, system upgrades, hardware refreshes, and disaster recovery activities.

Database & Storage Management
- Support database creation, configuration, maintenance, troubleshooting, and optimization.
- Manage SQL/MX, SQL/MP, and Enscribe database environments.
- Ensure database availability, integrity, and performance for critical applications.
- Assist with database replication and synchronization between NonStop and external environments.
- Support storage planning, disk sizing, backup strategies, data retention, recovery testing, and restoration activities.
- Coordinate with infrastructure and automation teams for storage housekeeping and SAVEABEND file management.

Communications & Middleware Support
- Support communication subsystems and network connectivity within the HP NonStop/Tandem environment.
- Configure and troubleshoot SSH, SSL, and secure communication protocols.
- Manage and support WebSphere MQ for NonStop, including integrations and message flows.
- Support Secure DPS and comForte configurations for secure transaction processing.
- Collaborate with network and security teams to maintain reliable connectivity and compliance.

Required Skills
- Solid hands-on experience with HP NonStop / Tandem
- Java application development and/or production support experience
- Level 2/Level 3 application support
- Experience supporting Capital Markets / Treasury / Payments / Settlement / Reconciliation applications
- TACL, FUP, SCF, OSS
- SQL/MP, SQL/MX, Enscribe
- Production incident management and troubleshooting
- Root Cause Analysis (RCA)
- Application deployment and release support
- Database and storage management
- Experience with high-availability, mission-critical transaction processing environments

Preferred Skills
- WebSphere MQ for NonStop
- Secure DPS
- comForte
- SSH / SSL
- DSM/SCM
- HPE NonStop SPRs and patching
- Disaster recovery and business continuity
- Hardware refresh and NonStop infrastructure upgrades
- Capital Markets and financial transaction processing experience

📌 HP NonStop (Tandem) Developer (Toronto)
🏢 Enterprise Solutions
📍 Toronto