Senior Non-Stop Developer (Tandem)

Company Description
Lumen SolutionsGroupInc. is a technology consulting Services company based inFlorida. Weprovidea wide array of experienced business and IT professionals supporting clients from solution design to implementation and specialize in professional IT consulting services IT Staffing Business/IT Strategy Business Process Blueprints Enterprise Architecture EnterpriseTransformation.

Role: SeniorHP Non-Stop Developer
Location: 2955 Market Street Philadelphia PA 19104 (Onsite Relocation Allowed)
Job Type: Contract

Job Summary:
We are seeking a highly skilled Senior HPE NonStop Administrator to support mission-critical train dispatching systems. This role is responsible for ensuring the stability performance and 24/7 availability of HPE NonStop (Tandem). environments that power real-time transportation operations.
The ideal candidate will have deep expertise in fault-tolerant systems system administration performance tuning and disaster recovery with a strong focus on maintaining high availability in SLA-driven environments.

Key Responsibilities

• Administer and maintain HPE NonStop (Tandem) systems across production and development environments.
• Ensure 24/7 system uptime for mission-critical applications.
• Perform system startups shutdowns cold loads and recovery procedures.
• Monitor system performance availability and health; proactively troubleshoot issues.
• Implement and enforce security policies access controls and audit compliance.
• Detect and respond to security incidents and unauthorized access attempts.
• Conduct performance tuning using tools like MEASURE.
• Perform capacity planning and system optimization.
• Manage and test backup and disaster recovery strategies.
• Apply OS patches firmware updates and system upgrades.
• Support high-availability configurations and fault-tolerant architectures.
• Coordinate change management and release cycles with cross-functional teams.
• Provide support for Severity 1 & 2 incidents and perform root cause analysis.
• Participate in on-call rotations and off-hours maintenance.
• Maintain technical documentation runbooks and system configurations.

• Bachelors degree in Computer Science Engineering or related field.
• Min 7 years of hands-on experience with HPE NonStop (Tandem) systems.
• Strong expertise in Guardian and OSS environments.
• Proficiency with utilities such as FUP SCF and TACL.
• Hands-on experience with TACL scripting for automation.
• Experience with system patching upgrades and security hardening.
• Strong knowledge of Enscribe file systems and access control mechanisms.
• Experience with Pathway server configuration and administration.
• Familiarity with NetBatch or similar job scheduling tools.
• Experience with Event Management System (EMS) monitoring and diagnostics.
• Knowledge of network administration including CLIM configuration and IP management.

• HPE NonStop Certification.
• 10 years of NonStop administration experience.
• Experience in transportation logistics or dispatching systems.
• Knowledge of NonStop SQL/MP and SQL/MX.
• Exposure to hybrid integrations (REST APIs iTPWebServer NSHTTP).
• Experience working in SLA-driven and regulated environments.

• Maintain 24x7 system availability and operational stability.
• Monitor troubleshoot and resolve system issues proactively.
• Perform regular patching and security updates.
• Deliver performance analysis and tuning reports.
• Support production deployments and system upgrades.
• Maintain comprehensive technical documentation.
• Provide incident support and root cause analysis.