06/30/2026 updated

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OpenVMS Systems Manager | OpenVMS Expert | Experienced HA-DR Designer | Mission Critical Consultant

Bucharest, Romania
Worldwide
HND Computer Strudies with DISTINCTION, University of Portsmouth
Bucharest, Romania
Worldwide
HND Computer Strudies with DISTINCTION, University of Portsmouth

Profile attachments

Edwin_Thornber_CV_OpenVMS_Legacy_Systems_Specialist.pdf

About me

OpenVMS Ambassador, Senior OpenVMS systems manager and software developer with more than 17 years experience designing, building and maintaining OpenVMS multi-site clusters HA-DR mission-critical systems. user managment, queue management, backups / recovery. Network TCPIP, DECnet, and SAN storage.

Business Continuity and Disaster RecoveryOracle Virtual MachineVrealize Operations Manager (VROPS)Disaster Recovery SolutionOracle Order Management Systems
OpenVMS V4.7-V9.2-3 (fied testing OpenVMS E9.2-4 Oct 2026); VAX/VMS; AlphaServer; VAX; mixed-architecture OpenVMS clusters; day-to-day systems management; upgrades; security; tuning.
Disaster-tolerant and disaster-recovery cluster design; 5-nines support exposure; Volume Shadowing; EMC SRDF; StorageWorks; recovery planning.
Crash dump analysis training with OpenVMS Sustaining Engineering; fault isolation; proactive and reactive support; escalation to engineering; business-critical troubleshooting.
DCL, C, Fortran, MACRO-32, Pascal, Shell scripts, TCL/TK, MACRO-11, Python; legacy software maintenance and migration support.
TCP/IP, DECnet Phase IV, DECnet/OSI Phase V, LAT, Pathworks, UCX, X.25, X.400; LAN support and operational networking experience.
Oracle RDB, Ingres, telecom customer-care and billing platforms, ACMS, Polycenter, VAXSIM Plus, CMS, MMS and DEC layered products.

Experience

Professional experience10+ years
Freelancer since1995

Languages

EnglishNative speakerFrenchBasic knowledgeRomanianGood

Project history

Project Manager / Systems Manager | Mobifon / Connex-GSM

• Led the migration of the customer-care and billing application to newer Compaq hardware and software platforms.
• Designed and implemented a multi-site disaster-tolerant / disaster-recovery solution based on OpenVMS AlphaServer clusters and EMC SRDF storage replication.
• Specified, designed and configured a pre-production test environment to improve billing-system application change management and operational assurance.

OpenVMS Consultant, Business Critical Services | Compaq Computer Asia Pte Ltd — Singapore

Provided expert OpenVMS consultancy, proactive support and recovery services for Compaq Business Critical Services customers including a major bank, a mobile-phone operator and a leading silicon chip manufacturer.
• Attended intensive crash dump analysis training with the OpenVMS Sustaining Engineering Group in the United States.
• Performed proactive and reactive troubleshooting, crash dump analysis, fault isolation and escalation to OpenVMS Sustaining Engineering.
• Briefed customer technical/managerial staff and Compaq senior management on technical issues, operational risk and recommended solutions.

Systems Manager / Project Manager | Mobifon / Connex-GSM — Bucharest, Romania

Led project to install and configure supplementary HSZ50 controllers and additional storage capacity to support projected growth from 500,000 to 1,000,000 customers.
• Led systems and DBA teams through database reorganisation and disk-structure reconfiguration to improve application and data-access performance.

Y2K Business Critical Infrastructure Consultant | BG Plc — Berkshire, UK

• Member of a project team designing and implementing test procedures for business-critical IT infrastructure Year 2000 compliance.

Systems Manager / Project Manager | Mobifon / Connex-GSM — Bucharest, Romania

Provided OpenVMS cluster consultancy for customer-care and billing systems, including availability troubleshooting, platform stabilisation and capacity-growth planning.
• Designed and implemented platform reconfiguration to support customer growth from approximately 300,000 to 500,000 subscribers.

Systems Manager / Project Manager | Orbit Direct Cyprus Ltd — Limassol, Cyprus

• Acted as OpenVMS consultant during a major customer-care and billing migration to a new OpenVMS-based application.
• Oversaw hardware/software installation, advised on system design, liaised with vendors, wrote operations and maintenance procedures, and documented monitoring/control procedures.
• Managed the system day to day and trained local permanent staff for operational handover.

Systems Manager / Project Manager | Mobifon / Connex-GSM — Bucharest, Romania

Provided company-wide OpenVMS consultancy and project management up to Vice-Presidential level for strategic planning and configuration of OpenVMS AlphaServer platforms.
• Oversaw installation and configuration of OpenVMS platforms hosting the CABS2000 customer-care and billing system.
• Led migration from a standalone AlphaServer 4100 to a dual-node AlphaServer 4100 / 8200 OpenVMS cluster served by StorageWorks storage, designed to support future disaster-tolerant enhancement.
• Responsible for OpenVMS systems management, security policy, scheduling of system/application jobs and procedures, and recruitment/training of Romanian systems personnel for handover.

OpenVMS Systems Manager | Digital Equipment Company GmbH — Munich, Germany

• Managed DEC All-in-1 servers, DECdns servers and a development cluster for Digital Germany’s internal support centre and Intelligent Networks development environment.

OpenVMS Systems Manager | Digital Equipment Company — Nijmegen, Netherlands

Provided OpenVMS systems management for Digital’s European Service and Support Centre, supporting internal systems and European customer-facing services.
• Performed performance monitoring, tuning, security, product upgrade planning and hardware/system replacement projects with careful disruption minimisation.

Analyst / Programmer | Ordnance Survey — Southampton, UK

• Updated C and Fortran map-drawing routines on Sun Sparc servers using SunView and SunOS to support a new data file format.

Analyst / Programmer | SLS Information Systems Ltd — Bristol, UK

Assisted with porting Fortran, C and DCL procedures from OpenVMS to Unix, requiring knowledge of OpenVMS and Unix facilities including TCP/IP and Unix and VMS systems.

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