Mark Precilla Email & Phone Number

Vancouver, BC, CA

Vancouver, BC, CA

Vancouver, BC, CA

Vancouver, BC, CA

• Oversaw and administered the Microsoft Azure cloud environment, ensuring robust cybersecurity configurations and adherence to industry best practices for securing cloud-based infrastructure
• Managed Windows Server 2008R2, 2012R2, 2016, and 2019 servers with a focus on implementing security controls and patch management to mitigate vulnerabilities and protect against cyber threats
• Developed and fine-tuned PowerShell scripts for automation, emphasizing security considerations to safeguard sensitive data and mitigate the risk of unauthorized access or misuse of automated processes
• Managed and maintained the Citrix environment with a cybersecurity mindset, implementing access controls and encryption to protect remote access and virtualized resources from cyber threats
• Held responsibility for on-premise VMware environments, implementing cybersecurity measures to protect virtualized infrastructure against potential security breaches and ensuring compliance with regulatory requirements
• Administered Microsoft Active Directory, DHCP, DNS, file services, and SCCM with a a focus on configurations, access controls, and monitoring to protect against unauthorized access, data breaches, and malware infections

• Held accountability for the IT infrastructure across four separate offices, prioritizing the implementation of robust security measures to protect against cyber threats and ensure data confidentiality and integrity
• Led the physical to virtual infrastructure transition, centralizing major IT infrastructure to a single office while implementing cybersecurity measures to safeguard virtualized resources against potential security.
• Implemented VMware vCenter to streamline and secure the management of virtualization infrastructure, enhancing visibility and control over virtualized resources while ensuring adherence to cybersecurity best practices.
• Integrated SonicWall firewalls to enhance network security company-wide, implementing advanced threat detection and prevention mechanisms to protect against cyberattacks and unauthorized access
• Assisted with MPLS implementation to facilitate secure network integration across all four offices, ensuring encrypted communication channels and secure data transmission between locations to mitigate the risk of.
• Upgraded networking infrastructure with the latest switches, to enhance switching and routing capabilities while implementing access controls and encryption to protect data in transit

Calgary, Alberta, CA

• Maintained and configured multiple VMware ESXi and Citrix environments for various clients, ensuring robust security configurations to protect virtualized resources from cyber threats.
• Administered multiple Windows Active Directory (AD) environments for clients, implementing secure access controls and monitoring for potential unauthorized access or breaches
• Installed, configured, and maintained multiple backup systems, including Asigra cloud backup and Symantec BackupExec, with a strong emphasis on data encryption, integrity verification, and secure transmission to.
• Configured and maintained multiple Storage Area Networks (SANs) such as EMC and NetApp, implementing access controls and encryption to protect stored data from unauthorized access or tampering.
• Installed, configured, and deployed servers for a province-wide crown corporation's server refresh project, ensuring secure configurations and adherence to cybersecurity policies and standards
• Implemented automated imaging solutions securely, enabling efficient deployment of system images while ensuring the integrity and confidentiality of sensitive data throughout the imaging process

Vancouver, BC, CA

• Oversaw and helped manage IT infrastructure
• Administered, configured and managed VMware environment as well as Microsoft Hyper-V environment
• Designed, installed and administered new Windows/Linux servers and systems as specified by IT manager
• Ensured strong network security in place at all times, including installation of security updates, correct configuration of firewalls, web and application servers and daily monitoring of server and network operations
• Implemented Windows Deployment Services (WDS) for automated desktop deployments with security considerations, ensuring endpoint devices are provisioned securely and comply with organizational security policies.
• Analyzed, logged, tracked, and resolved complex Active Directory (AD) problems, emphasizing cybersecurity implications and mitigating risks associated with unauthorized access or compromised credentials.

Burnaby, British Columbia, CA

• Helped lead and train the Helpdesk and Network production teams emphasizing proper procedures and standards were followed
• Held responsibility for overseeing the enterprise infrastructure spanning across Canada, ensuring systems were hardened and properly implemented
• Supported over 400 users and five offices implementing and enforcing proper procedures and policies
• Administrated VMware ESXi environment
• Implemented and deployed VMware View environment ensuring secure access to virtualized resouces from various endpoints
• Deployed and managed endpoint security solutions such as Sophos Anti-Virus and McAfee anti-virus to defend against malware and other cybersecurity threats

• Provide support for RHEL mission critical servers as well as Windows 2003 Servers
• Perform proactive measure such as restarting services or application to maintain system integrity and security
• Execute script to ensure timely updates of production software, minimizing vulnerabilities and patching exploits
• Configure and troubleshoot in house Linux and Windows applications
• Configure and troubleshoot internal applications such as Confluence Jira, Wiki, SiteScope, Cacti
• Created and configured custom alerts for production support team, enhancing data security and privacy

Bachelors, Network Administration And Security (Part-Time)

Diploma, Computer Science