Devon-Jay Duffin
Leeds,West Yorkshire
Summary
Accomplished professional with extensive expertise in programming languages including Java, Lua, C, C++, Bash, C#, and Python. Proficient in Linux and Windows OS management, HTML and JavaScript development, and SQL database administration. Demonstrated proficiency in Autopsy and FTK Imager for cyber threat analysis. Skilled in managing cloud services such as Microsoft Azure Services, including virtual machines, virtual networks, cryptography tools, key lockers, tokenization as well as Terraform and Kubernetes. Adept at project management with a strong background in project leadership and independent research. Experienced in client-server and distributed systems development along with virtual system development and management.
Overview
7
7
years of professional experience
Work history
Technical support specialist
Prometheus Group
Leeds, West Yorkshire
01.2024 - Current
- Completed investigations to check on reported errors, reproduce problems and trace faults.
- Guided users through step-by-step procedures; simplified complex instructions into layman's terms.
- Drove short-term troubleshooting and long-term improvement efforts across multiple platforms.
- Assisted clients via phone and email, ensuring quality service delivery.
- Resolved technical issues by providing detailed troubleshooting steps.
- Enhanced team productivity with the development of instructional manuals and guides.
- Provided comprehensive training to colleagues to enhance technical skills.
- Tracked technical issue patterns; suggested solutions for recurrent problems.
- Led system upgrades to ensure seamless operations of the company's SAP infrastructure.
- Coordinated multiple projects simultaneously whilst maintaining high quality standards and meeting deadlines.
- Collaborated closely with cross-functional teams for successful project delivery.
Freelance Support and Security Specialist
Self-employed
Huddersfield, West Yorkshire
09.2017 - 01.2024
- Set up and secured wired and wireless LAN infrastructures for SOHOs
- Identified and patched software vulnerabilities in various applications
- Specialised in teaching diverse programming languages and security techniques
- Delivered on-site and remote technical support for hardware, software and network issues
- Managed and responded to incidents using NIST best practices
- Managed and secured endpoint devices with Windows and Linux
- Conducted risk assessments for cyber physical environments and applied solutions to safeguard systems
- Presented and frequently attended conferences on AI, network security, cloud computing and cyber threat intelligence
Market research interviewer
The Leadership Factor
Huddersfield, West Yorkshire
09.2022 - 12.2022
- Showcased patience and persistence when dealing with difficult respondents, resulting in successful completion of interviews.
- Completed follow-up interviews on longer-term projects and tracked results for publication.
- Collaborated actively with team members to meet project deadlines.
- Guaranteed employee confidentiality, ensuring compliance with GDPR principles across all tasks.
DevOps Intern
Thales
Cheadle, Stockport
10.2017 - 04.2018
- Showed initiative and willingness to take on new challenges.
- Conducted in-depth market research to understand consumer behavior.
- Successfully designed projects like occupancy-detecting cameras and security systems
- Highlighted importance of digital security in society
- Performed hands-on industrial cyber security tasks, ensuring continuous professional growth
- Developed holistic insights into productivity factors and problem-solving
- Cultivated specialised technical skills and effective project planning techniques
- Identified current inefficiencies and recommended changing functionality or behaviours to eliminate concerns.
- Designed impressive solutions to overcome existing system challenges.
- Collaborated with software developers to streamline DevOps processes.
- Developed plans and strategies to promote continuous improvement.
- Partnered with users to understand and define system requirements.
Education
Bachelor of Science - Computer Science and Cyber Security
The University of Huddersfield
09.2019 - 11.2023
Certificate of Higher Education - CompTIA Security+
CompTIA
Leeds 07.2023 - 07.2027
Diploma of Higher Education - BTEC Level 3 Extended Diploma in IT
Kirklees College
Huddersfield 09.2018 - 07.2019
Certificate of Higher Education - Threat Intelligence Analyst
ArcX
Leeds 03.2023 -
Certificate of Higher Education - DevSecOps Certificate
TryHackMe
Leeds 12.2024 -
Certificate of Higher Education - SOC Level 1 Certificate
TryHackMe
Leeds 12.2024 -
Certificate of Higher Education - Security Engineer
TryHackMe
Leeds 12.2024 -
Skills
- Programming Languages: Java, Lua, C, C, Bash, C#, Python
- Linux and Windows OS management
- HTML and JavaScript Development
- SQL Database Administration
- Autopsy and FTK Imager proficiency
- Cloud Services: Microsoft Azure Services (Virtual machines, virtual networks, cryptography tools, key lockers, tokenization as well as Terraform and Kubernetes)
- Project Management: Team project management, independent research skills
- Client-server and distributed systems development
- Cyber threat analysis techniques
- Virtual System Development and Management
Affiliations
- Programming
- Cooking
- Dungeons and Dragons
- Gaming
- Movies
- Problem Solving
Languages
English
Native
References
References available upon request.
Timeline
Certificate of Higher Education - DevSecOps Certificate
TryHackMe
12.2024 -
Certificate of Higher Education - SOC Level 1 Certificate
TryHackMe
12.2024 -
Certificate of Higher Education - Security Engineer
TryHackMe
12.2024 -
Technical support specialist
Prometheus Group
01.2024 - Current
Certificate of Higher Education - CompTIA Security+
CompTIA
07.2023 - 07.2027
Certificate of Higher Education - Threat Intelligence Analyst
ArcX
03.2023 -
Market research interviewer
The Leadership Factor
09.2022 - 12.2022
Bachelor of Science - Computer Science and Cyber Security
The University of Huddersfield
09.2019 - 11.2023
Diploma of Higher Education - BTEC Level 3 Extended Diploma in IT
Kirklees College
09.2018 - 07.2019
DevOps Intern
Thales
10.2017 - 04.2018
Freelance Support and Security Specialist
Self-employed
09.2017 - 01.2024
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