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Sean O.SO

Sean O.

Networking and Cybersecurity Architect Consultant

€925/day
Belfast, GB
15+ years

Average response time: 1 hour

About Sean

As an experienced Network and Security Architect, I bring a wealth of expertise in designing and implementing robust systems across diverse, multicultural environments. My extensive background includes leading global system transformations, where I've successfully built and secured complex infrastructures that meet the highest industry standards. My ability to navigate and thrive in multicultural settings ensures that I deliver solutions tailored to the unique needs of any organization. If you're looking for a professional who can seamlessly integrate security with innovation on a global scale, I'm the expert you need.
  • English

    Native or bilingual

  • Japanese

    Conversational

  • Spanish

    Basic

Remote only
Primarily works remotely

Experience

  • Security Company
    Senior Manager and Lead Architect (Networking and IT Security)
    February 2024 - Today (2 years and 4 months)
    Assumed leadership of the IT Security team, orchestrating the development and implementation of cutting-edge security protocols and measures. This role involved direct engagement with C-level executives to integrate security strategies seamlessly with the broader business vision, significantly elevating the organisation's defence mechanisms against cyber threats. Leading projects on key Automation, AI, SASE, CASB, hybrid workforce and transformation initivatives.
  • Security Company
    Network Manager and Lead Architect
    February 2022 - February 2024 (2 years)
    Oversaw the strategic planning, development, and management of complex network infrastructures, leading to enhanced network performance, reliability, and scalability across multiple organisational units. Led the design of a new global network infrastructure, transforming the organisation's technological landscape and significantly enhancing operational resilience. Engaged with C-level executives to align network strategies with overarching business goals, ensuring robust security and compliance with industry standards through the integration of cloud services and advanced cybersecurity measures.
  • Outsourcing Company
    Network and Security Architect
    May 2018 - February 2022 (3 years and 9 months)
    Belfast, UK
    Designed and implemented advanced network and security architectures for large enterprises, significantly enhancing their security posture and network performance while ensuring scalability and compliance with industry standards. Led cross-functional teams in the deployment of complex security solutions, reducing vulnerabilities and ensuring robust defense mechanisms against emerging threats, directly impacting client resilience against cyber incidents. Strategised and executed comprehensive network upgrades and security overhauls, achieving notable improvements in system reliability and data protection, and fostering strong client trust and satisfaction through superior service delivery.

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Education

  • Bachelor of Engineering
    QUEEN'S UNIVERSITY BELFAST
    Bachelor of Engineering (BEng), Electronic and Software Engineering

Certifications

  • OSCP
    Offensive Security
    2022

Skill set

Categories