Harallambos Dallas
LOCATION: London, UK
PHONE: +44 7769393128
EMAIL: xaralambos.dallas@gmail.com
LINKEDIN: https://www.linkedin.com/in/harallambosdall
GITHUB: https://github.com/Harallambos
PERSONAL PROFILE
Motivated Technical Support and Systems Engineer with expertise in cloud infrastructure, automation, and application support. Skilled in Kubernetes, containerization, and cloud platforms (AWS, GCP, Azure) with hands-on enterprise experience. Proven ability to resolve complex technical issues, enhance client experience, and deliver scalable, secure solutions in collaboration with cross-functional teams.
Holding an MSc in Advanced Computing Technologies, I combine strong technical depth with excellent communication skills, recognized as a trusted advisor to clients. Passionate about cloud computing, IT automation, and system optimisation, with a track record of driving efficiency, business continuity, and continuous improvement.
EDUCATION
2020: MSc Advanced Computing Technologies: Birkbeck University, London, UK
2018: JAMF-Pro Training, JAMF-Pro 200 Course, London, UK
2017: 360 GSP College, MCSA: Windows 7 (680&685), MCTS: Windows Server 2012 (410), MCSA: Office 365 (346&347), London, UK
2015: IEKEM–TEE DIGITAL ACADEMY, Web Development PHP - MySQL, Athens, Greece
2014: Bachelor’s Degree in Computer Science, Department of Computer Science & Engineering, University of Ioannina, Greece
ACADEMIC PROJECTS & MODULES
BSC - COMPUTER SCIENCE & ENGINEERING
Thesis: “Circle separability Queries in Logarithmic Time” (2013-2014) (Algorithm programmed in C++)
Projects: Object-Oriented Systems Testing Tool (2012-2013) (Programmed in Java)
Modules: Calculus, Linear Algebra, Basic Circuit Theory, Discrete Mathematics, Integrated Digital Design, Object-Oriented Programming Techniques, Software Development, Data Structures, Probability and Statistics, Principles of Programming Languages, Computer Architecture, Electronics, Signals and Systems, Systems Programming, Theory of computation, Design and Analysis of Algorithms, Numerical Analysis, Computational Mathematics, Databases, Operating Systems, Artificial Intelligence, Computer Networks, Database Systems, Computer Graphics, Compilers
MSC - ADVANCED COMPUTING TECHNOLOGIES
Projects: APPLIED MACHINE LEARNING: Training a model using Machine Learning for Cyber Thread Detection
CLOUD COMPUTING: Develop a RESTFUL API using Django for a twitter-like application called PIAZZA
Modules: Applied Machine Learning, Cloud Computing, Information and Network Security, Internet and Web Technologies, Machine Learning, Mobile Computing, and Internet of Things
PROFESSIONAL EXPERIENCE
IBM United Kingdom | London, United Kingdom Aug 2022 - Present
Technical Support Professional - Cloud Solutions L2 Support
As a Technical Support Professional, I resolve issues impacting IBM client
business and play a key role in enhancing the client experience. Lead the
problem resolution process through analysis and troubleshooting of billing,
account, technical issues and problems, with a variety of complexity, through
deploying solutions or workarounds to ensure client satisfaction and minimize
business impact.
My responsibilities will include direct communication with clients, analyzing
diagnostic information, troubleshooting, problem recreation and debugging
client IT environment issues to determine course of action and/or solutions.
Contributing to creating and reusing knowledge assets and content to promote
client self-sufficiency through digital solutions and improve the effectiveness of
the IBM teams. I coordinate and collaborate with Development, Services and
Field teams to ensure technical solutions are relevant, timely and effective. Also
collaborate with Development to drive product quality, functionality,
serviceability, and usability improvements through intelligence gathered from
case data and client feedback.
Understanding the client’s business impact and technical needs and acting as
their trusted advisor for the successful utilization of IBM products & solutions.
As a leader, I drive improvements and solutions within IBM to ensure they have
the tools, knowledge, and expertise to provide exceptional client experience
with IBM products & services.
Technicolor Creative Studios | London, United Kingdom May 2018 - Aug 2022
Systems Engineer
Helpdesk / Support via Microsoft Teams, email, RT, Jira, Service Now ticketing systems
Technical cleaning of VT Machines and General Data Centre Hardware (Upgraded all our Linux HP workstations from CentOS6 to CentOS7, about 100 machines)
Networking: Configuring Switches, V-LANS, and Patching
Installing, licencing, and troubleshooting VFX Tools (Flame, Nuke, Maya, Base-light, Adobe Suite)
Windows, Linux (CentOS 7), macOS Administration
Documentation (Atlassian Confluence) of Systems, Infrastructure and Processes
Installing/upgrading/licensing operating systems and software
Automating using scripting (Python/Bash/PowerShell)
JAMF-Cloud, Office 365 Suite, Exchange, Active Directory Administration (user accounts & devices)
Helping migrate all devices (about 150) from the old on-premises JSS to the new cloud JPS
Implement a new VPN solution (with OKTA authentication) for 200 Employees
Intune Company Portal - Smartphone support (IOS, Android)
Responsible for the JML (Joiners, Movers, Leavers) and onboarding process and the user’s equipment (Mac, Windows laptops), keeping the asset database updated and disposing of old hardware
Access Control System Administration, creating security passes and keeping track of user movements in the building
AJM Healthcare | London, United Kingdom Jul 2016 - Apr 2018
Wheelchair Service and Rehabilitation Engineer
Workshop engineer - recondition and inspection of depot/warehouse stock
Ordering parts/asset tagging stock, and maintaining the store
Field engineer - home visits with wheelchair deliveries, repairs, and maintenance jobs
Providing excellent customer service
Logistics team operations
Municipality of Western Achaia | Patras, Greece Apr 2015 - Aug 2015
Technical Services Office, Desktop Support, Administrator
Answering support queries via phone & email
Documenting and maintaining administration policies and procedures
Updating and maintenance of the IT service desk
Track, monitor and report on all telephone centre incidents within defined SLA’s
Helping citizens with their paperwork and directing them to the appropriate Municipality service
Computer Technology Institute | Patras, Greece (Internship) Jul 2012- Aug 2012
Web developer
● Member of the web development team designed the website: http://www.study4exams.gr
● This project was a digital learning platform that helped the students prepare for their final exams, and it was subsidised by the Greek Ministry of Education
● My project was to design the web page of the module: “Latin Language”, working on the HTML and CSS
CERTIFICATIONS
TECHNICAL SKILLS
Programming:
C (good), C++ (good), JAVA (basic), PHP (basic), SQL (basic), PYTHON
Frameworks:
Django
Web Technologies:
HTML, XML, CSS, YAML
DBMS:
MYSQL, MYSQL, MariaDB, AWS RDS
Operating Systems:
LINUX (KALI, UBUNTU, CENTOS, ROCKY), WINDOWS, MACOS
Protocols:
DHCP, DNS, IP/TCP, UDP, HTTP, SSH, LDAP
Development Tools:
DEV C++, NETBEANS, ECLIPSE, PYCHARM, COLAB, JUPITER, VISUAL STUDIO CODE, GIT, InteliJ, Openshift Container Platform, Kubernetes, Containers
Virtualisation Tools:
HYPER-V, VIRTUAL-BOX, VMWARE, PROXMOX
Ticketing systems:
RT, ATLASIAN JIRA SOFTWARE, Service Now, Salesforce(CSP), Cisco BEMS
Networking:
Ethernet, Switches, Patching, VLANS, Routing, VPN, Proxy
Security Technologies:
Visy-Key Access Control System, VPN, PCoIP, Access Control List (ACL), Antivirus, Identiv-Freedom
Cloud Service Provides:
AWS, GCP, Azure
IBM Products:
Turbonomic - Application Resource Management (ARM), Watsonx Platform (watsonx.ai, watsonx.data, watsonx.governance)
AREAS OF EXPERIENCE:
Programming-Scripting, PC hardware & Peripherals, Conference Equipment, Windows Server 2012, Exchange, Sharepoint, Office 365, One Drive, Active Directory, Windows 7/10, macOS, Linux, VPN (OKTA), Exchange, JAMF-Pro, VOIP Phone System (Omni Vista), SCCM, LEOSTREAM, HP RGS remote connection, CyberArk, Atlassian Confluence, Jira
PERSONAL SKILLS:
Hard-working, Adaptable, Flexible, Team player, Supportive, Creative
LANGUAGES:
English (Fluent), Greek (Native), Albanian (Native)
DRIVING LICENSE:
Full UK Driving Licence
PERSONAL INTERESTS:
Programming, Ethical hacking, Capture the flag (CTF) games, Cryptography, Machine learning, Technology, Web Design, Application Design, Systems Build & Design, Sports, Football, Gaming, Reading, Travel, Photography