Tandem Java Specialist

Role: Tandem / Java Specialist Location: Toronto / Halifax (Nova Scotia) Key Responsibilities Application Support & Development Provide Level 2/Level 3 support for critical Capital Markets, Treasury, Payments Processing, Settlement, and Reconciliation applications running on HPE NonStop (HP NonStop) platforms. Perform hands-on development, enhancement, troubleshooting, and maintenance of ATLAS applications. Ensure the stability, availability, and performance of business-critical transaction processing systems in a high-availability environment. Analyse and resolve production incidents, service disruptions, and application performance issues within defined SLAs. Collaborate with business users, operations teams, architects, and engineering teams to identify and implement application and infrastructure improvements. Participate in Root Cause Analysis (RCA) and implement preventive measures to minimise recurring incidents. Support application deployments, releases, and environment upgrades across Development, Testing, and Production environments. HPE NonStop Platform Administration & Support Administer and support HPE NonStop systems, ensuring high availability and operational resilience. Utilise TACL, FUP, SCF, OSS, SQL/MP, SQL/MX, and Enscribe databases for system administration, troubleshooting, and performance optimisation. Monitor system health, capacity, and performance of NonStop environments. Support DSM/SCM activities, including software deployment, version control, and change management. Work with SS&HW 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, and optimisation. Manage SQL/MX, SQL/MP, and Enscribe database environments to ensure data integrity, availability, and performance. Assist in implementing database replication and synchronisation solutions across 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 and maintain communication subsystems and network connectivity within the NonStop environment. Configure and troubleshoot SSH, SSL, and secure communication protocols. Manage and support IBM WebSphere MQ for NonStop integrations and message flows. Support Secure DPS (comForte) configurations and secure transaction processing requirements. Collaborate with network and security teams to ensure reliable connectivity and compliance. Monitoring, Automation & Operations Support the implementation and maintenance of monitoring and alerting solutions. Configure and maintain automated batch processing, job scheduling, and operational workflows. Partner with automation and monitoring teams to enhance operational visibility and incident detection. Participate in infrastructure and application health reviews and capacity planning activities. Security & Compliance Ensure compliance with PCI and organisational security standards. Support implementation of security controls, access management, encryption standards, and audit requirements. Participate in vulnerability remediation, compliance reviews, and security assessments. Development & Integration Develop and maintain utilities, scripts, and automation solutions using Java and Python within the OSS environment. Support integration of NonStop applications with enterprise platforms and external systems. Contribute to application modernisation and continuous process improvement initiatives. Stakeholder Management Liaise with business stakeholders to understand operational requirements and resolve production issues. Work closely with architecture, engineering, infrastructure, and vendor teams to deliver support and enhancement initiatives. Provide technical guidance and knowledge transfer to junior team members and operations staff. Prepare technical documentation, operational procedures, and support runbooks. On-Call & Operational Support Participate in 24x7 production support rotations, including evenings, weekends, and on-call coverage. Support Incident, Problem, and Change Management processes. Ensure rapid response and recovery for high-priority business incidents impacting critical payment and treasury operations. Key Skills

Provide Level 2/3 support and development for critical Capital Markets and payment applications on HPE NonStop platforms. Manage system administration, database optimization, and secure middleware integrations to ensure high availability.

Requires expertise in HPE NonStop platform administration and development using Java and Python. Must be able to support 24x7 production rotations and manage complex database and communication subsystems.

• JavaPreferred
• PythonPreferred

Identified from the job description. Confirm important requirements above.

• HPE NonStop
• Java
• Python
• TACL
• FUP
• SCF
• OSS
• SQL/MP
• SQL/MX
• Enscribe
• IBM WebSphere MQ
• Secure DPS
• PCI Compliance
• Application Support
• Database Management
• Infrastructure Maintenance

• Technology
• Software
• Finance & Accounting
• Consulting
• Engineering

Minimum experience

5+ years

Apply by

Sep 3, 2026

Posting language

English

Working hours

40 hours per week

Seniority

Mid-Senior level

Application method

Direct apply is available