Company Description Lumen Solutions Group Inc. is a technology consulting Services company based in Florida. We provide a wide array of experienced business and IT professionals supporting clients from solution design to implementation and support. We specialize in professional IT consulting services, IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, Enterprise Transformation. Role: Senior HP 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. Required Qualifications Bachelor’s 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. Preferred Qualifications 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. Key Deliverables 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. Lumen Solutions Group Inc is an equal opportunity employer. All qualified applicants will be considered for employment without regard to any legally protected status.