DevOps Engineer

• Apr 2023 - Present

Linux Systems Administration and DevOps Linux Systems Administration and DevOps

Network Operations Center Engineer (Team Lead)

• Apr 2020 - Mar 2023

- Administering the Online Gaming platforms - Ensuring optimum performance and availability - Providing in depth troubleshooting support - Working with internal teams to get issues resolved - Training and mentorship of team members - Attending to admin duties relating to the proper functioning of the team. - Updating project tickets in Jira and ensure that confluence pages are regularly revised. - Assisting in process improvement - Proactively monitoring and supporting of the multiple live and staging infrastructures - Investigating and reacting to any live or staging issues that might arise - Preparing and taking part in the periodic release of new software - Acting as an escalation point for issues flagged by customer support - Handling service requests, incidents, problems and change requests, using ITIL best practice. - Assisting in intensive investigations into problems that would included detailed log and metrics analysis to provide detailed analysis, resolution and future prevention of such issues Technologies/Applications: - Linux/Bash scripts etc - Kubernetes/Docker - Argo CD - Git - Google Cloud Platform - Mongo - Ansible - Kibana/Elasticsearch - Grafana - Zendesk - JIRA - Working with Terraform - Confluence for documentation Show less

Premium Cloud Support (Linux)

• Apr 2017 - Sep 2019

Based within the EC2 Linux support team, provide support to AWS Premium Support customers on some of the below and more. * "How to" questions about AWS services and features * Security in the cloud, for example Security Groups and IAM Roles / OS firewalls. * Best practices to help you successfully integrate, deploy, and manage applications in the cloud * Troubleshooting API and AWS SDK issues * Troubleshooting operational or systemic problems with AWS resources * Issues with our Management Console or other AWS tools * Problems detected by EC2 health checks * Assistance with Amazon Linux 1 and 2 issues / updates / repositories / security patches. * Bash scripting assistance for customers, such as scripts to delete volumes older than certain dates / create backups etc. * Cloudformation templates. * A number of third-party applications such as OS, Web servers, Email, Databases, Storage configuration. Some of the 3rd party applications and OS versions I provide support for include: Operating systems on EC2 instances: Ubuntu Server Red Hat Enterprise Linux and Fedora SUSE Linux (SLES and openSUSE) CentOS Linux Infrastructure components: Sendmail and Postfix MTAs SSH, SFTP, and FTP Web servers: Apache mostly, sometimes Nginx. Databases: MySQL / PostgreSQL Storage: EBS / Raid / LVM Virtualization & Docker containers. SaltStack and Puppet. I also often had to troubleshoot issues beyond our scope of support listed above that includes replicating complex customer architecture and application configuration in order to find and identify possible system and infrastructure issues on our end. Show less

Systems Administrator

• Jan 2014 - Apr 2017

My job included the following : -Installing new / rebuilding existing servers and configuring hardware, services, settings, directories and storage in accordance with the standards and project/operational requirements. -Developing and maintaining installation and configuration procedures. -Researching and recommending innovative approaches for the QA system administrator tasks. -Identifying approaches that leverage the companies resources and provide economies of scale. -Performing daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups. - Managing all backups for internal servers and client servers using personally created backup scripts and cron jobs. -Performing regular security monitoring to identify any possible intrusions. Securing servers themselves and adding security to websites via apache / php. -Performing daily backup operations, ensuring all required file systems and system data are successfully backed up. -Performing regular file archival and purge as needed. Create , change, and delete user accounts per request, pulling back live sites to staging, set-up of sites on live and staging servers. - Managing Subversion , creating / removing accounts and making sure newly pulled back sites have been checked in to SVN. -Performing upgrades / patching of sites on live and staging servers. Logging and responding to tickets, setting up DNS entries and creating the virtualhost configurations + browser authentication to go with it. - Applying OS patches and upgrades on a regular basis. Upgrading administrative tools and utilities. Adding new services as necessary. -Performing on-going performance tuning, hardware upgrades, and resource optimization as required. - Configuring CPU, memory and disk partitions as required. - Virtual server setup and administration. - 24/7 On call. Show less

• Oct 2012 - Dec 2013

Configuring/setting up all kinds of servers (Samba file servers, apache web servers, nagios server, mail server etc). -Adding new members to a file server and giving the correct access/permissions-Automation ; Writing scripts to create email accounts across a couple of mail servers. Monitoring all servers at all times. Scripts to add DNS records and create new domains at CoZa. The list goes on.-Troubleshooting; whenever something goes wrong on a server/website.-24/7 on call.-Helping users/clients over the phone or first hand.-Administering 80+ servers which include ; SQL servers, Nginx Load Balancers, Web Servers, File Servers, Mail Servers, SOLR servers etc.-Virtualization-Manage extension numbers and swopping numbers, allocating correct names and groups.-Adding aliases and new groups to the email server(s).-Logging in remotely to help users fix their PC's without having to leave the office in case of emergency. -Training of the new Techie.It really all depends on what is the problem at the time ; as a Junior Systems Administrator , one never knows what might be the problem or what may have to be set up tomorrow. My job is to ensure that everything works and is set up correctly which is quite enjoyable and never boring! Show less

• Feb 2011 - Oct 2012

Ran around for hours on end fixing pc's, building networks, giving support , teaching end users. Very good exercise actually :)