Muiris Dunworth

Tenable, Dublin, Ireland

Technical Support Tech Lead • October, 2019 — Present

Supporting Tenable's cybersecurity platforms for enterprise customers. Responsibilities include managing complex escalations, troubleshooting vulnerability scanning and infrastructure issues, and working closely with engineering to resolve product defects.

Clearstream Services, Luxembourg

IT Security Administrator • April, 2016 — October, 2019

Worked within the IT Security Administration team responsible for managing and maintaining secure user access to critical customer-facing financial systems. Responsibilities included provisioning and auditing access permissions in accordance with security policies, regulatory requirements, and operational procedures. Technologies used included Linux systems, Active Directory, and VBA scripting to assist with operational tasks and automation.

Clearstream Fund Services, Cork, Ireland

WebHelp Analyst • Sept, 2013 — April, 2016

Provided technical support to both internal users and external clients using the company's web applications, assisting with troubleshooting, access issues, and general platform support.

Citco, Dublin

Local IT Support • March, 2013 — Sept, 2013

Supported the organisation’s Windows 7 migration project and provided local IT support for end users, including workstation setup, troubleshooting, and general technical assistance.

UCD Professional Academy

Presentation Skills • 2022

CCT College Dublin

Diploma, Networking and Security Systems • 2020 — 2021

Distinction

Networks, Cloud Computing, CyberSecurity Fundamentals

Maynooth University

Higher Diploma, Information Technology • 2011 — 2012

2.1 Honours

Subjects

• Databases
• Algorithms & Data Structures
• Java
• Software Development
• Discrete Structures
• Operating Systems
• Web Information Processing
• Multimedia

Maynooth University

B.A, History & Sociology • 2007 — 2010

2.1 Honours

Arts Degree

Cybersecurity Platforms

Extensive experience supporting enterprise cybersecurity platforms including vulnerability management systems, authentication issues, infrastructure integrations, and security troubleshooting.

Technical Support Leadership

Leading technical support teams handling complex customer escalations, cross-team collaboration with engineering, and diagnosing difficult infrastructure and product issues in enterprise environments.

Automation & Scripting

Building internal tools and automation to improve support workflows using Python, Bash, and scripting tools. Experience using automation to reduce repetitive tasks and improve team efficiency.

AI-Assisted Development

Leveraging modern AI tools to rapidly prototype and build internal applications, support utilities, and workflow improvements that previously would have taken significantly longer to develop.

Systems & Infrastructure

Linux administration, Active Directory, networking fundamentals, and troubleshooting distributed systems and application infrastructure.

Testing & Debugging

Experience reproducing complex software issues, debugging customer environments, browser automation using Selenium, and diagnosing problems across multiple system layers.

Technical Communication

Clear technical communication with customers, engineering teams, and internal stakeholders including documentation, troubleshooting guides, and escalation summaries.