Brendan O'halloran
About Brendan O'halloran
Brendan O'Halloran is a Site Reliability Engineer at Teleport, where he has worked since 2022. He has extensive experience in DevOps, cloud platforms, and programming, with a background that includes roles at Lixar Fuelled by BDO and AMEC.
Work at Teleport
Brendan O'Halloran has been employed at Teleport as a Site Reliability Engineer since 2022. In this role, he applies his expertise in various tools and technologies to enhance the reliability and performance of systems. His responsibilities include utilizing Atlassian products such as Jira and Confluence for project management and documentation. Brendan also employs Hashicorp tools like Terraform, Packer, and Vault to manage infrastructure efficiently.
Previous Experience in DevOps
Prior to his current position, Brendan worked at Lixar Fuelled by BDO as a DevOps Team Lead from 2016 to 2021. During his five-year tenure, he led a team focused on implementing DevOps practices and improving deployment processes. His experience includes managing public cloud platforms such as Azure and AWS, as well as utilizing continuous integration tools like TeamCity and Azure DevOps.
Background in Project Management
Brendan's career includes a significant role at AMEC, where he served as a Senior Project Controller from 2007 to 2013. His six years in this position involved overseeing project timelines and budgets, ensuring successful project delivery. Additionally, he worked as an IT Analyst at CBCL Limited for one year, where he gained valuable insights into IT operations and support.
Technical Skills and Expertise
Brendan possesses a diverse skill set in programming and infrastructure management. He is proficient in programming languages including Python, Java, and C#. His expertise extends to container orchestration tools such as Kubernetes, Docker, ECS, and ACS. Brendan is knowledgeable in infrastructure as code and configuration management, utilizing tools like Ansible and Salt to streamline operations.
Knowledge of Security Protocols
Brendan has a solid understanding of security protocols, specifically PKI and TLS. This knowledge is essential for maintaining secure systems and protecting sensitive data. His familiarity with repository management tools like Nexus and Artifactory further supports his capability in managing software development and deployment processes.