Liam Keenan
Milton Keynes,Buckinghamshire
Summary
Highly-effective ICT System Administrator with 2 years of professional Data-Centre Operations experience. Offering proven expertise in the design, implementation and support of Linux systems, aiding high-performing companies.
Knowledgeable software engineering professional with experience building, testing and deploying scalable and modular software products. Organised and hardworking team player. Uses strong interpersonal skills to work well with internal and external stakeholders to meet project technical requirements.
Overview
10
10
years of professional experience
Work history
Operations
Unisys
Milton Keynes, Buckinghamshire
04.2024 - 03.2025
- Carried out day-to-day duties accurately and efficiently.
- Quickly learned and applied new skills to daily tasks, improving efficiency and productivity.
- Successfully delivered on tasks within tight deadlines.
- Demonstrated respect, friendliness and willingness to help wherever needed.
- Worked flexible hours, covering nights, weekends and bank holidays.
- Consistently arrived at work on time and ready to start immediately.
- Offered friendly, efficient customer service and handled challenging situations with ease.
- Monitored mainframe systems for the banking industry and internal use.
- Trained & Certified Fire Warden.
- Worked flexible shifts both days and nights.
- GDPR, Data Protection and Anti Phishing trained.
- Provided excellent support to customers through email & telephone calls.
Software Engineer
IMMERSUN
Milton Keynes, United Kingdom
08.2021 - 03.2023
- Applied web services and REST API design best practices to deliver stable systems.
- Collaborated with customers to identify and resolve issues.
- Oversaw Web APIs and cloud security performance.
- Supervised multiple team members in developing quality management systems to exact user requirements.
- Implemented timely software upgrades and updates for minimal operational disruption.
- Administered networks and multi-user interfaces.
- Tracked down and resolved bugs in fast-paced production environment.
- Reverse engineered & re-developed a system from the previous company with zero documentation.
- Created a REST API using Django and the djangorestframework plugin.
- Created a user interface using Django.
- Created a network layer for receiving telemetry data from customers devices in C++.
- Established reliable source control and software deployment systems.
- Made several upgrades to firmware for embedded devices.
- Enhanced existing software systems and legacy platforms.
- Managed IT Systems for the company including: website, email and apps.
- Deployed apps to both the Android and iOS app stores.
Technical Support Technician
Nuco Technologies Ltd
Milton Keynes, Buckinghamshire
08.2018 - 03.2020
- Built and deployed Dedicated Servers as per the customers specification including installation of the operating system and required software.
- Managed 50+ Dedicated Servers and Virtual Machines using both Windows and Linux performing security updates and resolving present issues as reported by the customer.
- Aided in building a new Data Hall by running Cat 6 and Cat 5e networking cables between a Core switch and the rack(includes termination and testing of cables).
- Monitored thousands of networked devices ensuring connectivity and efficient working order.
- Managed multiple web and email servers both running natively and using Docker containers.
- Aided in the automation of system and software security updates.
- Delivered excellent Technical Support to customers through WHMCS ticket system and telephone calls achieving a good relationship with customers.
- Migrated websites and database between Web and Database servers.
- Gained experience with diagnosing server and network issues(most notably core switch failures).
- Proactively researched, presented and offered recommendations regarding automation and simplicity to the company to forge a more stable and effective system.
- Oversaw security of the entire site, only allowing customers entry if they were pre-approved on the internal booking system.
Work Experience
Control Print Solutions ltd
Milton Keynes, Buckinghamshire
04.2015 - 08.2017
- Built, configured and deployed commercial printers to customers across the United Kingdom.
- Maintained and offered support to customers for their commercial printers both in person and over email.
- Maintained printers by replacing parts and resolving present issues as described by customers.
Education
Level 2 Maths AQA -
Milton Keynes College
Milton Keynes02.2020
Level 2 English AQA -
Milton Keynes College
Milton Keynes08.2019
City & Guilds Infrastructure -
Milton Keynes College
Milton Keynes 06.2019
City & Guilds Telecommunications -
Milton Keynes College
Milton Keynes 03.2019
City & Guilds Networking and Wireless Communications -
Milton Keynes College
Milton Keynes 12.2018
City & Guilds Cloud Services -
Milton Keynes College
Milton Keynes 10.2018
Skills
- Technical support
- Web development
- Python programming
- Virtualisation technologies
- Performance tuning
- Golang programming
- Java programming
- C programming
- C# programming
- Perl programming
- Hardware and software installation
- Data collection and analysis
- Infrastructure planning
- Customer service
- User Support
- System upgrades
- Technical specifications
- Software testing
- Hardware knowledge
- Reporting and documentation
- Servers expertise
- Operating systems
- Git svn
- Embedded systems
- Mainframe Operations
- Fire Warden Experience
Personal Interests
Gaming
I enjoy competitive gaming, where I focus on strategy, teamwork, and quick decision-making. Through these experiences, I've developed skills such as perseverance, adaptability, and effective communication, which I bring to both personal and professional settings.
Programming Projects
I dedicate my spare time to programming projects, exploring innovative solutions and sharpening my technical skills. These projects allow me to stay updated with the latest technologies, practice problem-solving, and build a portfolio of creative and practical applications.
Timeline
Operations
Unisys
04.2024 - 03.2025
Software Engineer
IMMERSUN
08.2021 - 03.2023
Technical Support Technician
Nuco Technologies Ltd
08.2018 - 03.2020
Work Experience
Control Print Solutions ltd
04.2015 - 08.2017
Level 2 Maths AQA -
Milton Keynes College
Level 2 English AQA -
Milton Keynes College
City & Guilds Infrastructure -
Milton Keynes College
City & Guilds Telecommunications -
Milton Keynes College
City & Guilds Networking and Wireless Communications -
Milton Keynes College
City & Guilds Cloud Services -
Milton Keynes College