Garry Pierre
Montreal,QC
Summary
Experienced UNIX/Linux Systems Administrator with 8+ years in multiplatform environments. Proven expertise in Red Hat Enterprise Linux, SUSE Linux, AIX administration, and cloud infrastructure management including Azure. Strong background in storage systems, backup solutions, system administration, and providing enterprise-level support for high-availability production environments.
Overview
20
20
years of professional experience
1
1
Certification
Work History
UNIX/Linux System Administrator
Synechron
09.2024 - Current
- Administer Red Hat Enterprise Linux,ubuntu, and SUSE Linux environments for enterprise clients
- VM migration projects using Zerto solution to migrate virtual machines from VMware vCenter to HPE GreenLake cloud platform
- Manage vulnerability remediation and security compliance across UNIX/Linux systems
- Implement user account management and access controls ensuring system security compliance
- Resolve operational incidents (P1/P2/P3) and service requests within agreed SLA standards
- Install, configure, and maintain Linux systems using Satellite server, Ansible, and Orcharino
- Support backup and recovery processes including system disaster recovery readiness
- Create technical documentation and user guides for system updates and new implementations
- Provide technical support and troubleshooting for server issues ensuring smooth operation
- Monitor system performance and implement corrective actions to ensure 99.9% uptime
- Automate routine tasks through scripting, improving operational efficiency by 30%
- Provide 24x7 on-call support for critical production systems
UNIX/Linux System Administrator (HPC Environment)
Université Laval
08.2023 - 09.2024
- Led migration of 500+ CentOS servers to Oracle Linux 8 for VALERIA research platform
- Administered mixed UNIX/Linux environments including SUSE Linux Enterprise Server
- Managed IBM storage systems and NetApp solutions for petabyte-scale research data
- Developed and executed Ansible playbooks for large-scale OS migration with zero data loss
- Administered Lustre distributed file systems and high-performance storage arrays
- Managed backup and recovery systems ensuring data integrity and availability
- Created comprehensive technical documentation for system configurations and procedures
- Provided user training on new systems and conducted knowledge sharing sessions
- Managed Slurm workload manager for optimal HPC cluster resource allocation
- Deployed cloud infrastructure on AWS with hybrid connectivity solutions
- Implemented monitoring solutions with Prometheus, reducing incident response time by 40%
- Collaborated with research teams to optimize computational workflows
- Key Project: Led migration of 500+ CentOS servers to Oracle Linux 8 for VALERIA research platform
UNIX Production Engineer
Société Générale
11.2021 - 07.2023
- Provided 24x7x365 support for Red Hat Linux, SUSE Linux, and AIX systems across Americas and France regions
- Managed enterprise storage systems including IBM and NetApp solutions
- Executed monthly security patching cycles and system maintenance using automation tools
- Administered backup and recovery systems ensuring business continuity
- Enhanced system security through user access management and permission controls
- Maintained 99.8% system availability through proactive monitoring and rapid incident response
- Created and maintained technical documentation for system procedures and configurations
- Collaborated with development teams on application deployments and rollouts
- Managed ServiceNow ticketing system and provided comprehensive incident reporting
Application Support Engineer & Linux System Administrator
Ericsson Montreal Inc.
04.2011 - 10.2021
- Supported telecommunications infrastructure serving millions of mobile subscribers
- Deployed containerized applications on OpenShift clusters for telco workloads
- Performed system administration on Solaris 10/11 and Red Hat Linux servers
- Managed SSL certificate lifecycle and renewal processes
- Optimized system performance through tuning and resource allocation
- Provided technical leadership for solution implementation from design to production
- Conducted health checks and performance analysis for cloud-based systems
Customer Support Engineer (First Line Support)
Ericsson AB, Branch Office Haiti
04.2008 - 03.2011
- Delivered first-line support for customer networks and telecommunications equipment
- Led HLR migration project from Nortel to Ericsson systems in Jamaica
- Configured TCP/IP networking, SSH, and SCP between UNIX systems
- Troubleshot LAN connectivity and network protocol issues
- Implemented BTS Power Saving features across BSC networks
Network Systems Administrator
Haiti Telecommunication S.A (Haitel)
12.2005 - 05.2008
- Administered Windows NT/2003 domain controllers and user management
- Configured and maintained DHCP, DNS, and network services
- Installed and configured Cisco network devices (routers, switches)
- Managed Apache Tomcat and WebSphere Application Servers on Linux platforms
Education
Bachelor - Computer Science
École Supérieure D'Informatique D'Haïti
Haiti01.2005
Skills
- Operating Systems: Red Hat Enterprise Linux 6/7/8, SUSE Linux Enterprise Server, AIX, CentOS, Ubuntu, Oracle Linux, Solaris 10/11, Amazon Linux
- Cloud & Virtualization: Microsoft Azure (VMs, Storage, Networking, Identity Management), AWS (EC2, S3, VPC, IAM), Red Hat OpenStack, VMware, Hyper-V
- Storage & Backup Systems: IBM Storage Solutions, NetApp, NetBackup, Lustre File Systems, ZFS, NFS
- Container Technologies: Docker, Kubernetes, Red Hat OpenShift, container-d
- Automation & Monitoring Tools: Ansible, Prometheus, Nagios, GitLab, Shell Scripting
- Security & Access Management: User Account Management, Permission Controls, Security Compliance, Vulnerability Remediation
- Networking & Protocols: TCP/IP, DNS, DHCP, SIP, Diameter, GTPv2
- Databases: Oracle, SQL Server
- Monitoring & Logging: Splunk, Wireshark, Grafana, Check MK
Certification
- AWS Certified Solutions Architect - Associate
- Certified Kubernetes Administrator
- Red Hat OpenStack (RHOSP) Administration I
Languages
English: Fluent
French: Fluent
Additional Training
- Docker & Kubernetes Administration (College Bois de Boulogne, 2021)
- Linux System Administration (College Bois de Boulogne, 2020)
- Oracle Database Administration and Programming (2018)
Timeline
UNIX/Linux System Administrator
Synechron
09.2024 - Current
UNIX/Linux System Administrator (HPC Environment)
Université Laval
08.2023 - 09.2024
UNIX Production Engineer
Société Générale
11.2021 - 07.2023
Application Support Engineer & Linux System Administrator
Ericsson Montreal Inc.
04.2011 - 10.2021
Customer Support Engineer (First Line Support)
Ericsson AB, Branch Office Haiti
04.2008 - 03.2011
Network Systems Administrator
Haiti Telecommunication S.A (Haitel)
12.2005 - 05.2008
Bachelor - Computer Science
École Supérieure D'Informatique D'Haïti
Similar Profiles
RAGAMANJARI SANKAR SRAGAMANJARI SANKAR S
Technical Lead – .NET Developer at SynechronTechnical Lead – .NET Developer at Synechron
Saksham KumarSaksham Kumar
Senior Associate at SynechronSenior Associate at Synechron
Umeash TopadebuwaaUmeash Topadebuwaa
Associate Specialist at SynechronAssociate Specialist at Synechron
Temitope AddeleyeTemitope Addeleye
Ramp Agent at Samsic AssistantRamp Agent at Samsic Assistant
Enzo BetitoEnzo Betito
Librarian's Assistant at Library of MontrealLibrarian's Assistant at Library of Montreal