Gregory Machin Email & Phone Number

Waikato, New Zealand

New Zealand

As a Senior DevOps Engineer, my role involves a blend of technical leadership and operational efficiency, with an emphasis on practical solutions in security and process automation.Notable Contributions:- Active Directory and Endpoint Security: Implemented a Least-Privilege Administrative Model for Active Directory and Windows Endpoint devices to enhance security.- Access Management in Active Directory: Developed a system for targeted resource access control, utilizing Infrastructure as Code (IaC) for better management efficiency.- User Onboarding Process: Created a user creation script with a templating feature, improving the onboarding process’s speed and reliability for the Service Desk.- Server Fleet Migration: Managed the transition of the server fleet from Trend Micro to Defender, focusing on planning, automation (using AWX and PowerShell), and overseeing the deployment.Key Responsibilities:- Project Involvement: Provide technical input, draft technical documents, SOPs, and guides. Use automation and scripting to support project advancement and planning.- Business as Usual (BAU) Tasks: Offer technical guidance in troubleshooting, streamline BAU tasks through automation, and share knowledge on scripting and DevOps tools.- Documentation and Planning: Involved in creating and maintaining documentation and participating in roadmap development.- Code Repository Management: Handle the setup and documentation of code repositories for better version control.Technologies:- Cloud and Automation: Experienced in Azure environments and automation with AWX.- Scripting: Proficient in using PowerShell for various automation tasks.- Project Management Tools: Regular user of Jira and Confluence for project tracking and documentation.- Version Control: Utilize Git for effective source code management.- AI and Language Models: Familiar with using ChatGPT for accelerating delivery and proficient in prompt engineering for ChatGPT.

Hamilton

In my role as a Senior Systems Engineer, I led diverse projects and provided expert-level support in cloud services, focusing on both inter-departmental and organization-wide initiatives.Key Responsibilities:- Relationship Management: Fostered and maintained relationships with internal customers and vendors.- Technical Leadership: Guided technical aspects of project delivery and problem resolution.- Continuous Improvement: Identified and proposed process and system improvements.- Solution Design and Implementation: Crafted and implemented integration solutions using High Availability and IaaS platforms within organizational standards.- Project Delivery: Managed and executed projects, ensuring adherence to time frames and specifications.- Documentation: Developed detailed design documents from architectural team inputs for application and infrastructure deployment. Regularly updated essential documentation.- ITIL Framework Compliance: Maintained stable environments following ITIL practices, especially in change management.- Change Management: Oversaw all aspects of change processes across various risk categories.- Infrastructure Deployment: Conducted deployment of infrastructure, cloud services, and applications.Technologies:- SCCM & Windows 10: Focused on deployment, customization, and enterprise integration.- PowerShell: Specialized in scripting for automation and process enhancements.- Azure Services: Utilized Azure Intune, Autopilot, Active Directory, and VMs for cloud management.- Active Directory & Citrix XenApp: Managed group policies and application virtualization.- Version Control: Experienced with TFS and GIT.- Hardware Tools: Proficient with HP and Dell desktop management tools.

Hamilton, New Zealand

As a Build Manager, I was responsible for overseeing the software build stack, including the integration and management of Docker and the Atlassian stack (Jira, Bamboo, Confluence, and Stash). My role encompassed a broad range of IT projects, emphasizing migrations, environment scoping, server management, and developer support.Key Achievements:- Docker Infrastructure: Established Docker infrastructure, including Docker Registry and Hosts, and assisted teams in Docker adoption.- Bamboo Build Optimization: Streamlined Bamboo build plans and agent deployment for product installation images, enhancing deployment to vSphere and physical infrastructures.- VMware ESXi Migration: Managed the migration of Virtual Machines from an older ESXi environment to a new data center, converting several physical servers to VMs.- SVN to GIT Transition: Aided the engineering team in migrating their core code repository from SVN to GIT.Responsibilities:- Build Server Management: Oversaw build servers for Software and Firmware teams.- Server Provisioning: Collaborated with corporate IT to provision and manage essential servers and services.- Documentation: Maintained comprehensive documentation for build servers and related services.- Atlassian Suite Management: Administered Atlassian products including Jira, Confluence, Bamboo, and Stash.- Change Control and Security: Worked with corporate IT to uphold Change Control policies and maintain security on engineering servers.- License Management: Tracked and managed software licenses to a certain extent.- IT-Engineering Liaison: Acted as a bridge between corporate IT and Engineering departments.- Continuous Improvement: Sought opportunities to enhance infrastructure and services.- Access Management: Regulated user access to engineering resources such as file shares and code repositories.

Hamilton, New Zealand

In my role as a Senior Linux Systems Administrator, I was tasked with harnessing open-source technologies to meet business needs effectively and within budget constraints. A key aspect of my role involved collaborating closely with Software and Hardware Engineers to ensure their requirements were met and productivity was optimized.Key Achievements:- VMware ESXi Infrastructure: Designed and implemented a new VMware ESXi infrastructure, migrating the entire physical infrastructure. This included both fresh OS installations with data migration and converting existing servers to virtual machines, ensuring minimal user disruption.- Domain Migration: Spearheaded the migration of Linux servers and desktops from the Endace domain to the Emulex domain. Developed a Bash script to facilitate a smooth and efficient migration of 120 machines in a single day, achieving a seamless transition for users.Responsibilities:- Linux Desktop Support: Provided comprehensive support for Linux Desktop users and managed the Linux Desktop environment.- Linux Ecosystem Security: Focused on securing the Linux ecosystem across the organization.- Linux-Microsoft Integration: Implemented and managed solutions integrating Linux and Microsoft technologies.- Technology Assessment: Regularly assessed software and hardware, making strategic recommendations to management.- VMware Management: Oversaw VMware infrastructure and its supporting elements.- Hardware Solution Development: Designed and implemented hardware solutions tailored to organizational needs.- After-Hours Support: Provided standby support after business hours, handling maintenance and emergency tasks.- Developer Collaboration: Worked closely with developers to troubleshoot and optimize performance issues with build servers.- Server Management Guidance: Offered expertise in the implementation and management of servers across various departments.

Wellington, New Zealand

The role requires the maintenance of existing infrastructure, updating and patching, amending configuration to meet new demands (BAU). Working with management to plan and roll out projects. Designing Linux based solutions with a focus on high availability and integration with other technologies. Primary support to developers Achievements / Projects 1) Work closely with the development team and stakeholders to launch the new website and online services.2) Stand up new infrastructure to host public services website and other services. Leveraged templates to accelerate deployment. Implemented F5 BigIP to provide, high availability, and to distribute the load. The new website went live as planned, stakeholders were very pleased with the results.Accountability/Scope - Manage and prioritize work, and coordinate work with Linux contractor. - Plan and coordinate projects with co-workers. - Plan and present changes to the Change Administration Board. - Roll out projects within the scope of the project. - Design Highly Available solutions based on Linux - Ensure High availability of services, to both internal users and students. - Providing after hours standby support on a roster to ensure systems availability. - Create and maintain documentation for the Linux infrastructure. - Design and develop fast deployment solutions. - Evaluate technologies and solutions and advise management. - Providing stop-gap support when other co-workers are not available. Networking, Windows, Infrastructure - Provide support to the development team to ensure that their system requirements are met and maintained - Deploy production code from development to production servers.

Position: Senior System Administrator (Linux / Networking LAN and WAN / VMware) 3rd Line support: - Providing resolution to issues not resolved by 1st and 2nd line. - Providing solutions to clients on networking and servers. - Configuring and deploying firewalls, mail servers, and other solutions. - Supporting maintaining, and upgrading firewalls and mail servers on site. - Supporting maintaining, and upgrading internal infrastructure, - Web servers (LAMP),mail servers, spam servers, DNS servers,VMware servers. Assisting with networking, and debugging of network issues. - Providing knowledge transfer to 1st and 2nd line. - Planning deployment of firewalls and email servers to clients. - Evaluating software (Microsoft and Linux / Open Sources) and hardware for the client and internal use. - Developing custom solutions by combining open source resources Including some programming in php,perl,mysql, bash - Providing deliverables for projects both internal and for clients. - Providing stop gap support for Windows server and desktop clients. - Assigning tasks to 1st ans 2nd line co-workers and managing the correct execution of these tasks. - Managing small projects and sub-projects within large projects, reporting to management on the project statuses. Providing resolution to issues that would impede project completion. - Ensuring the maintenance of SLA's agreements with clients.

Pretoria Area, South Africa

The role required working closely with clients, the development team and the support team. BAU responsibilities included managing the office infrastructure, maintaining connectivity or establishing VPN connectivity so that the support team could provide remote support. Regular support and administration of both the Microsoft and Linux servers as required. Managing of client offsite backup services, and back up of company data. Provide advice on hardware and software, both Microsoft and Linux. Obtain quotations pricing for hardware and software for company use and resale to clients. Provide on-site installation, support and resolution. Report directly to the director, and team managers. Accountability/Scope - Manage resolution of client requests.- Provide scope and specifications for networking, hardware and software.- Resolve all networking, hardware and software issues, both for the company and clients. - Ensure uptime of infrastructure used for clients support, VPN, Leased Line, ADSL.- Communicate with ICT staff on client sites, to configure VPN and resolve connectivity issues.- Obtain data and specifications from ICT staff on client sites, process and report to the relevant manager.- Ensure uptime of company servers.- Ensure Backups of company and client data were carried out.- Carry out development stand alone and with the development team.- Obtain competitive pricing from suppliers.- Ensure company site licensing, was up to date.- Travel to clients sites irrespective of location.

Pretoria Area, South Africa

Position: Developer and System / Network administrator. - Supporting maintaining, and upgrading internal infrastructure, - Web servers (LAMP), mail servers, DNS servers and Networking. - Assist the technicians deploying PLC networks to resolve issues and improve performance. - Sourcing hardware and software for server installations. - Provide advise on open source based applications and companies that offer them as / with services. - Assessing Open Sources applications for internal use and commercial viability. - Assist in the development of VPN / firewall embedded hardware devices. - Developing a web interface for the device, for configuration and management. Furthering the development of in-house developed DYN-DNS solution. - Provide training to interns on networking and Linux. - Assigning tasks to interns and managing the completion of tasks.

Pretoria Area, South Africa

Employer Profile:• Focus: Computer hardware and software retail store.• services: New build, repair and upgrade services.• services: On-site services and support.Client Consultant / TechnicianThe role required a good knowledge of hardware and software and the ability to propose cost-effective solutions, that would meet their future requirements.Accountability/Scope• Advise clients on upgrades and new, hardware and software.• Repair clients machines as quoted and within the quoted time frame• Make purchases for suppliers.• Quotes clients competitively while maintaining profit margins.• Provide on-site support to clients in their homes.• Perform relief manager duties, while the managers are not available. Cashing up, Stock control, Purchasing, Quoting, Paying Accounts, Paying Staff.Achievement: Managed the store for 3 weeks while the Owner and manager were both on holiday. Turned the given float of R 1000 into R 7000 while keeping stock on the shelves, and all accounts up to date.

Install And Configure, Vmware

Deploy Secure Analyze, Vmware

Capacity Planer, Vmware

Visual Basic Programming Certificate, Programming

Visual Basic 5 Programming Certificate

Certificate, A+ Hardware And Software Support

Certificate course in computer hardware and Microsoft Windows support.

Matric, Electronics And Drafting

Activities and Societies: First Aid for sporting events.Matriculated with Electronics and Drafting