Linux Systems Developer (C++ / PostgreSQL / Mainframe Integration)TechDoQuest • Calgary, AB, CA
Linux Systems Developer (C++ / PostgreSQL / Mainframe Integration)
TechDoQuest • Calgary, AB, CA
Il y a 4 heures
Type de contrat
- Temps plein
Description de posteWork with z / OS UNIX System Services (USS) for POSIX-compliant code execution. Integrate Linux applications with CICS, IMS, and TableBase for transaction and data flows. Handle EBCDIC ↔ ASCII conversions and ensure data integrity across platforms. Provide application support for production and non-production environments. Collaborate with vendors for issue resolution, patches, and upgrades. Maintain and update Standard Operating Procedures (SOPs) for operational tasks. Monitor application health and troubleshoot performance issues. Work with CI / CD pipelines for Linux and mainframe integration. Automate build, deployment, and monitoring processes using Shell / Python scripting. Ensure compliance with security standards and operational best practices. Strong proficiency in C++ (modern standards), STL, multi-threading, and memory management. Hands-on experience with GNU toolchain (gcc, g++, ld, make, CMake). Knowledge of PostgreSQL (schema design, query optimization, PL / pgSQL). Familiarity with cross-compilation and hybrid architecture builds. Experience with mainframe integration (CICS, IMS, TableBase). Debugging and profiling tools : gdb, strace, perf, valgrind. Strong scripting skills in Shell and Python. Experience with z / Linux (Linux on IBM Z). Familiarity with containerization (Docker / Kubernetes). Understanding of RACF / ACF2 security models. Strong problem-solving and troubleshooting abilities. Excellent communication and vendor management skills. Ability to document processes and maintain SOPs.
Responsibilities
- Design and develop Linux applications using C++ and POSIX APIs.
- Customize and maintain build systems (Makefiles, CMake) for complex software compilation.
- Perform cross-compilation for hybrid environments (Linux ↔ mainframe).
- Optimize binaries for performance, memory usage, and reliability.
- Implement database logic and optimize queries in PostgreSQL (PL / pgSQL, indexing, query tuning).
Mainframe Integration
Application Support & Operations
DevOps & Automation
Required Skills
Nice-to-Have
Soft Skills
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Linux Systems Developer C PostgreSQL Mainframe Integration • Calgary, AB, CA
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