Mars Telecom System - Software Engineer - VAX/OpenVMS Platform

Description :

We are seeking an experienced VAX / OpenVMS Software Engineer to support, maintain, and modernize business-critical legacy systems built on VAX architecture, OpenVMS, and VAX Pascal.

This role is responsible for ensuring availability, stability, security, and performance of mission-critical platforms that continue to power core operational workflows.

You will work closely with application teams, infrastructure, security, and modernization programs to keep these systems reliable while enabling gradual transformation.

Key Responsibilities :

- Administer, monitor, and support VAX and OpenVMS environments in production and non-production systems

- Maintain and enhance applications written in VAX Pascal and related OpenVMS languages

- Perform system upgrades, patching, performance tuning, and capacity planning

- Troubleshoot OS-level, application, batch, and interface issues

- Manage disk, tape, backup, restore, and disaster recovery operations

- Support interfaces between OpenVMS and modern platforms (Linux, Windows, middleware, databases, APIs)

- Ensure high availability and data integrity of legacy platforms

- Maintain system documentation, runbooks, and operational procedures

- Support security, compliance, and audit requirements

- Participate in modernization, migration, and decommissioning programs where applicable

Technical Requirements :

Core Skills :

Strong hands-on experience with :

- VAX systems

- OpenVMS (VMS)

- VAX Pascal

Experience with :

- DCL scripting

- RMS files

- OpenVMS batch and scheduling

- System startup and shutdown procedures

Knowledge of :

- OpenVMS clustering

- Backup & recovery (e.g., BACKUP, tape libraries)

- Disk and volume management

- Performance monitoring and tuning in OpenVMS

Nice to Have :

- Experience integrating OpenVMS with Linux, Windows, or cloud-based systems

Knowledge of :

- C, Fortran, COBOL on VMS

- Databases on OpenVMS (Rdb, Oracle, etc.)

- Exposure to legacy modernization or migration programs

- Experience in regulated or mission-critical environments (transport, defense, banking, utilities)

Experience & Background :

- 8 to 15+ years of experience working with VAX / OpenVMS platforms

- Proven experience supporting business-critical legacy systems

- Strong troubleshooting and root-cause analysis skills

- Experience working in production, 247, high-availability environments

Behavioral & Professional Skills :

- Strong ownership mindset for critical platforms

- Ability to work with both legacy specialists and modern engineering teams

- Clear documentation and communication skills

- Comfortable working in environments where systems cannot fail