Resume
Name: John Mulhall Title: Infrastructure Systems Engineer | Software Engineer
Profile Highlights
- Experienced in OOP programming primarily using Python and front end languages. Commercial experience in Python/GoLang for back end projects. Prior coding experience in C# and Java
- Experienced in relational database design and development with experience of experience using Postgres, SQL Server plus more
- 1st class honours in Science in Computing (Software Development) Associates Degree (2017)
- Industry certified in Microsoft technology (MTA from 2015) and Oracle technology (OCA from 2017)
- Certified Software Tester (ISTQB) from 2018
- Certified Cisco Network Associate (CCNA 200-301) from 2020 to 2022
- Certified Linux Engineer (XK0-004 CompTIA Linux+) from 2021 to 2023
- Certified Cloud Architect Associate (Oracle) from 2019 to 2020
- Involved in open source community and was Community Manager for Hadoop User Group Ireland for 15 months
- Writer for Irish Tech News on technology and business
- Novelist working on writing my first novel along with been a lover of reading good science fiction, fantasy and suspense thrillers
- Former process management professional with 15 years commerical experience covering 5 industry domains
Top Skills
Cloud Architecture | Network Troubleshooting | Technical Writing | Network Monitoring | Technical Project Management | DevOps | Linux | Systems | Cloud Systems and Provisioning | AWS | Azure
Enterprise Ready/Medium Skills
Bash Scripting | Database Design and Development | Server Side Programming | Juniper | Arista | CICD | Terraform | Monitoring | Production Deployments Cisco | Application Design | Go | Kubernetes | OracleDB | Network Operations | NOC | Network Tooling Automation | Python | Major Incident Management | Windows Servers
Near Enterprise Ready/Lower Skills
Java | Javascript | MySQL | N Tier Architecture | CMS | Hadoop | DSS Machine Learning Platform | Tier Architecture | Pandas | Plotly | SQL | SQL Server | PostgreSQL | HTML5 | CSS3 | ASP.NET | Razor | Web Development | MVC | Network Device Configuration | C#
Educational Awards Analysis | Click for More/Less
Top Educational Acheivements
2021 - XK0-004 CompTIA Certified Linux+ Engineer at Workday Result: Pass
2020 - 200-301 Cisco Certified Network Associate (CCNA) at Oracle Result: Pass
2019 - IZ0-932 Oracle Cloud Infrastructure 2018 Certified Architect Associate at Oracle Result: Pass
2018 - ISEB-SWT2 Certified Software Tester (ISTQB) at Cenit College Result: Pass
2017 - Higher Diploma in Science in Computing(Software Development) Result: 1st Class Honours
3rd Level - Higher Education
QQI Level 8: 2017 - Higher Diploma in Science in Computing(Software Development) at Dublin Business School (a.k.a Associates Degree, Conversion Degree) Result: 1st Class Honours
QQI Level 8: 2015 - Higher Certificate in Software and Cloud Technology at Dublin Business School Result: 1st Class Honours
QQI Level 8: 2014 - Higher Certificate in Advanced Project Management for the ICT Professional at Dublin Business School Result: 1st Class Honours
QQI Level 7: 1997 - Certificate in Financial Services at Institute of Banking and University College Dublin Result: Pass
Industry Certification and Training
03/2021 CompTIA - XK0-004 CompTIA Certified Linux+ Engineer (2021-2023) at Workday Result: Pass
12/2020 CCNA - 200-301 Cisco Certified Network Associate (2020-2022) at Oracle Result: Pass
07/2019 OCA - IZ0-932 Oracle Cloud Infrastructure (2019-2020) Certified Architect Associate at Oracle Result: Pass
05/2018 ISTQB - ISEB-SWT2 Certified Software Tester at Cenit College Result: Pass
01/2018 OCA - IZ0-803 Oracle Certified Associate Java SE7 Programmer 1 at Cenit College Result: Pass
07/2017 IKM - Software Quality Assurance Testing by IKM International for Harvey Nash plc Result: Pass
06/2017 MTA - 98-375 HTML App Development Fundamentals at Dublin Business School Result: Pass
06/2017 CJA - IZ0-811 Certified Junior Associate Java Foundations at Cenit College Result: Pass
05/2017 MTA - 98-366 Networking Fundamentals at Dublin Business School Result: Pass
04/2017 MTA - 98-364 Database Fundamentals at Dublin Business School Result: Pass
07/2016 MongoDB - M101JS MongoDB for Node.js Developers at MongoDB University Result: Pass
05/2015 MTA - 98-363 Web Development Fundamentals at Cenit College Result: Pass
04/2015 MTA - 98-361 Software Development Fundamentals at Dublin Business School Result: Pass
Vocational Training
1996 - NVEC Certificate in Business Studies Result: Distinction
1996 - Pitman Certificate in Typewriting at Elementary Grade (25 Words Per Minute) Result: First Class Pass
1992 - City & Guilds Foundation Certificate in Information Technology Result: Pass
2nd Level Education
1990 - Leaving Certificate from Irish Department of Education at Pobalscoil Rosmini Result: 3 Honours, 5 Passes and 0 Fails
Non-Technical Skills Analysis | Click for More/Less
Marketing
Marketing | Social Media | Writing | Blogging | Event Management | Content Marketing | Promotions
Finance & Accounting
Capital Markets | Sorbannes Oxley | Treasury | Cash Management | Accounts Receivable | Accounts Payable | Credit Risk | Financial Accounting | General Ledger | Purchasing
Management
Project Management | Leadership | Company Culture | Change Management | Negotiation | Dispute Resolution | Employee Relations | Process Management
Hobbies, Pursuits and Interests | Click for More/Less
Coding | Technology | Championship GAA | Good TV | Cinema | Blogging/Writing | Reading/Writing Good Novels
Work Experience - Summary | Click for More/Less
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Career Summary
2018 to Present: Devops and Software Development, Systems Engineering, Network Troubleshooting and Major Event Management for Cloud Operations
2013 to 2018: Transition to Technology with a software development and networking focus
1998 to 2012: Transition to Financial Operations & Process Management with a leadership focus
1991 to 1997: Security & Military with a focus on the Irish Defence Forces
Industry Domain Experience: Mass Media, Information Technology, Big Data, Lifesciences, Financial Services, Consulting, Financial Services, Food, Freight & Logistics, Business Process Outsourcing, Startups, Military, Security
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Technology: September 2021 - Present | Infrastructure & Devops Engineer - Maolte
I have expanded my reach beyond my historic full time employee based career to now include self employed work in the Infrastructure, Devops and Writing fields. This is a twin track approach designed to embrace full time employment opportunities aswell as contract opportunities in technology areas that I love. This career expansion is tailored to embrace my passion for all things Infra and Devops along with my Technical Writing skills that have seeded ideas for a budding career as a novelist. Who knows what the future will bring, so for now, as a Sole Trading Proprietor of Maolte, I am open to contract work on a day rate/hourly basis in the following areas: - Infrastructure Operations and Engineering - Devops Engineering - Technical Writing - IT Education - Technical Project Management
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Technology: September 2016 - Present | Writer - Irish Tech News
Regular Contributor writing articles on business and technology topics along with associated social media activities
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Technology: January 2021 - July 2021 | Infrastructure Systems Engineer - Workday
Instructure Systems Engineer on the Hosting team focusing on infrastructure maintenance on Linux and Windows servers in the main. Responsibilities also included projects like cluster build outs and executing infrastructure deployments via the CI/CD pipelines
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Technology: February 2018 - December 2020 | NOC Engineer - Oracle
NOC Engineer and Software Developer for automated tooling projects, along with resolving major and minor cloud infrastructure related incidents
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Technology: April 2017 - June 2017 | Software Engineer - Kinesense Ltd
Built Application framework for propriety video analysis algorithm. Transcoded first part of algorithm to Java from C# and implemented on top of the framework. Stack is Java/PostgreSQL/CentOS
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Technology: September 2016 - June 2017 | Full Time ICT Student - Dublin Business School
Full time ICT Student studying the Higher Diploma in Science in Computing (Software Development) at Dublin Business School. Course was based on a condensed learning model where I achieved a 1st class honour
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Technology: July 2015 - October 2016 | Community Manager - Hadoop User Group Ireland
Managed Events and Marketing for Hadoop User Group and associated social media activities
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Technology: July 2015 - April 2016 | Marketing Technologist - Sonra Intelligence Ltd
Implemented Digital Marketing and Data Analysis using Python and its main libraries such as Pandas, Numpy, Matplotlib and Plotly on a 3 node cluster. Also did some Java development for the firm
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Technology: September 2014 - October 2014 | Business Development Intern - Tradey Networks Ltd
Pursued lead generation and industry research
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Technology: November 2012 - September 2014 | Career Break & Part Time ICT Study - Dublin Business School
Acheived a 1st class honour in the Higher Certificate in Project Management for the ICT professional during this period. Also took a career break post redunancy and developed my plan to transition to software.
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Process Management: September 2008 - October 2012 | International Accounts Support Manager - Integra Lifesciences Ltd
Managed international functions with associated teams in accounts receivable, accounts payable and credit risk from the Shared Service Centre in Dublin, Ireland
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Process Management: May 2008 - September 2008 | EMEA AR Team Leader - Venn Finance Ltd
Restructured the EMEA accounts receivable ledger and team practices at our client's premises (Integra Lifesciences Ltd)
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Process Management: October 2008 - February 2008 | Financial Consultant - Stephen Harvey Limited
Evaluated the real estate business and restructured the creditor's ledger for the business owner
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Process Management: February 2007 - September 2007 | Credit & Operations Manager - FAI Finance Ltd
Restructured the UK Debt Ledger for the Corporation's retail loan business
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Process Management: April 2006 - February 2007 | Credit Manager - Kraft Foods Ltd
Streamlined internal and external cash collection relationships and updated associated policies
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Process Management: August 2005 - April 2006 | Credit Manager - Meteor Telecommunications Ltd
Designed and implemented the credit and collections policy for the company
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Process Management: May 2001 - August 2005 | AR Coordinator - United Parcel Service (UPS)
Updated cash collection practices and UPS Ireland's credit policy
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Process Management: April 2000 - May 2001 | Assistant Credit Manager - Glanbia plc (Dairy)
Transformed cash collection practices for the dairy division's SME Ledger and lead the implementation for the Credit Manager. Also wrote the division's SME Credit Policy post merger
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Process Management: 1998 - 2000 | Finance & Marketing Roles - Various
Acheived a successful business recovery of Kennedy & Associates. Also trained as a Credit Controller and Business Process Outsourcer with French & Associates during this period
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Security: 1994 - 1997 | Soldier - Irish Defence Forces
Trained as a professional Soldier and served with A Company, 29th Infantry Battalion on the Republic of Ireland's border with Northern Ireland
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Security: 1991 - 1994 | Private Security Roles - Various
Numerous static and patrol roles in industrial and site security including Hospitals
Key Project Management Highlights | Click for More/Less
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2021 Project: AWS CodeStar Demo as Sole Trader | Infrastructure Devops Engineer (Internal | Commercial) - Project to demo a sample Python/Django application through a CI/CD pipeline from v1.0.0 to v1.0.1 to demonstrate the ease of set up, execution and access to key features of the CI/CD pipeline via AWS CodeStar. Its a native tool on AWS that performed well with no extra charges for its use, or management of other managed resources like AWS CloudFormation and Elastic Beanstalk. Technology Stack: Python | Django Framework | Github | AWS (CodeStar)
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2021 Project: Maolte as Sole Trader | Infrastructure Devops Engineer (Internal | Commercial) - Project to launch as a sole trader and infrastrucutre/devops engineer to compliment my work accessibility and not limit myself to just full time employee availability. I expended my work scope to include writing, technical writing and technical project management. Part of the project was selecting a vendor for hosting and building a website https://maolte.ie along with email hosting and all that it entails; such as anti spam measures, website hardening, CMS design and content development. I also project managed via kanban board on trello, the technological, marketing, finance and business development aspects of this set up project. Technology Stack: Trello | Blacknight Internet Solutions (Hosting) | Joomla | StatusCake
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2020 Project: Slack Plugin as NOC Engineer (Internal | Commercial) - Developed a version 1.0 of a slack plugin in Go that pulled from Jira's API major incidents on going and presented them back to the slack work space in summary format for the logged in slack user. Technology Stack: Go | Slack API | Jira
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2019 Project: Crawler as NOC Engineer (Commercial) - Developed a version 1.0 of a network crawler that pulled via api ticket details of an affecting network peering, logged into the network routers/switches and returned the basic peering details back to console for the NOC Engineer. Technology Stack: Python | Network Routers/Switches | Jira | Jira API
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2018 Project: Geopath as Software Developer (Non-Commercial) - Developed a version 2.0 of a project I had developed for geocoding addresses. Implemented longitude and latitude returns on address uploads via forms and csv file uploads along with address returns for geo coordinate inputs. Also implemented front end modifications for more robust codebase and a better user experience to version 1.0. Technology Stack: Python | Flask | Heroku | API
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2017 Project: MulderbertPX as Software Developer (Non-Commercial) - Developed a version 2.0 of a group project completed during college. Implemented data remodelling bringing validation fully up to the application layer along with a database redesign. Also implemented front end modifications for more robust codebase and a better user experience. Technology Stack: C# | HTML5 | CSS3 | Javascript | Razor | ASP.NET | XML DB | SQL Server | Azure
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2017 Project: Angular 4 as Software Developer (Non-Commercial) - Developed a pure Angular 4 web application front end to show case Angular 4 tips and sites to see in Dublin city. Technology Stack: HTML5 | CSS3 | Typescript | AngularJS 4.3 | Github Pages
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2017 Project: Video Analysis as Software Enginner (Commercial R&D) - Developed an application framework in Java/PostgreSQL on Linux (CentOS) to house the project database and transcode project code from Kinesense Ltd's priority algorithm into Java for use on the framework. Technology Stack: Java | PostgreSQL | CentOS Virtual Machine | Linux
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2017 Project: Safe Haven as Student Software Developer (Non Commerical) - Developed a registration application in Android Studio (version 2.3) based on the need for handy and time efficient registration of those in crises been registered by aid workers using their handheld android devices. Technology Stack: Java | Android | Firebase
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2016 Project: Data Visualisation as a Marketing Technologist (Commercial) - Analysed big dataset on a 3 node cluster looking for patterns in customer behavour on the client's website that can be considered actionable from a commercial perspective. Dataset of in excess of 250 million records. Technology Stack: Python | Data Science Studio | Hadoop | AWS
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2015 Project: Datameer evaluation as a Community Manager (Non-Commercial) - Tried out and evaluated Datameer Big Data self service platform presenting the results to Hadoop User Group Ireland Technology Stack: Datameer | Hadoop | AWS
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2013 Project: Career Change to Software Development as a myself (Personal) - Developed a path to leave Financial Operations and Process Management; moving to Software Development and Engineering
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2011 Project: Develop and implement Corporate Card programme as a Project Manager (Commercial) - Designed and lead the project accross 15 entites in EMEA to introduce corporate cards from a single vendor
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2010 Project: Design and implement a pan European Travel & Expense policy as a Accounts Support Manager (Commercial) - Designed and lead the project accross 15 entites in EMEA to introduce a common and compliant travel and expense policy with a centralised processing function in Dublin
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2010 Project: Evaluate Financial Operations Processes Globally as Project Manager (Commercial) - Evaluated global accounts receivable, credit risk and accounts payable producing a report for the senior leadership on the current state of processes and best practice process recommendations for the introduction of Oracle R12 accross the organisation
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2008 Project: Restructure Cash Collection Practices as EMEA AR Team Leader (Commercial) - Evaluated EMEA collection practices and restructured them to a Sorbannes Oxley complaint set of cash collection and receivable practices accross EMEA
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2007 Project: Evaluate Real Estate Busines as Financial Consultant (Commercial) - Evaluated a real estate business and determined solvency position going forward for business owner
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2007 Project: Restructure Debt Collection Practices as Credit and Operations Manager (Commercial) - Evaluated UK debt collection practices for FSA compliance and restructure them for optimal performance
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2005 Project: Design and develop a Credit & Collections Policy as Credit Manager (Commercial) - Designed and developed a company wide B2B and B2C credit and collections policy for a telecommunications business.
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2004 Project: Implement and beta test a European Cashiering System (ECS) as Country Project Rep (Commercial) - Participated in the deployment and user testing of the European Cashiering System controlling cash transactions on a pan european basis.