Andrew Tierney
Limerick
Summary
Environmental Science graduate seeking to reintroduce myself to the biomedical industry and apply my broad technical and operational experience to an engineering-focused role. With a background supporting skilled trades in construction, operating heavy plant and equipment, and managing fast-paced hospitality environments, I bring practical problem-solving abilities, adaptability, and strong team coordination to technically driven settings.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Plant Operator
Unite Resourcing
Perth, Western Australia
02.2024 - 10.2025
- Completed three large solar farm projects with reputable contractor Monford Pty Ltd. Locations varied from Western Australia, New South Wales and Queensland.
- Performed preventive maintenance on plant machinery and equipment.
- Conducted periodic plant checks to promote safe and efficient operation.
- Material Handling: Safely operate the telehandler to move materials and equipment, such as solar panels, batteries, and structural components, to and from storage areas and installation sites.
- Site Preparation: Assist in preparing the site for construction by transporting and positioning heavy materials as needed.
- Load Management: Ensure loads are properly balanced and secured before transportation to prevent accidents.
- Equipment Maintenance: Conduct routine checks and maintenance on the telehandler to ensure it operates safely and efficiently.
- Safety Compliance: Adhere to all safety regulations and protocols, including wearing protective gear and conducting pre-operation safety checks.
- Collaboration: Work closely with other team members, including construction workers and site supervisors, to coordinate logistics and ensure timely material delivery.
- Reporting: Document equipment usage, maintenance needs, and any incidents that occur on-site.
- Site Navigation: Navigate the telehandler around the solar farm, which may involve varying terrain and conditions, while being mindful of other workers and equipment.
Mechanic Assistant
Unite Resourcing
Perth, Western Australia
02.2024 - 03.2024
- Cleaned up after completing jobs to maintain a safe working environment for everyone in the shop.
- Performed minor repairs and assigned preventive maintenance services.
- Assisted mechanics in performing maintenance and repairs on a variety of vehicles, including cars, heavy vehicle trucks, graders and loaders.
- Organized and maintained the shop’s tools and equipment in an orderly fashion.
- Shuttled parts and vehicles to and from outside vendors.
- Followed safety protocols when operating machinery and using hazardous materials.
- Inspected tools and equipment to maintain working order.
- Prepared work stations for use by mechanics and repairers.
- Examined and tested machinery, equipment, components, and parts for defects to ensure proper functioning.
- Positioned vehicles, machinery, equipment, physical structures and other objects for assembly or installation, using hand tools, power tools, and moving equipment.
Graindflow Tarping Engineer
Grainflow
Berrigan
10.2023 - 12.2023
- Supported high-tempo harvest operations by receiving, assessing, and directing incoming loads of wheat, barley, and canola seed.
- Operated plant and equipment—including loaders, augers, conveyors, and sampling tools—to ensure efficient intake, movement, and storage of grain.
- Conducted quality checks such as moisture testing, contamination screening, and temperature monitoring to maintain grain standards throughout storage.
- Managed the safe transfer and conditioning of grain within silos and bunkers, ensuring optimal aeration and preservation ahead of out-turn season.
- Performed routine maintenance and safety inspections on equipment, reporting issues promptly to minimise downtime.
- Coordinated with drivers, site supervisors, and laboratory staff to maintain clear communication and workflow efficiency during peak harvest periods.
- Adhered strictly to health, safety, and biosecurity procedures in a high-risk agricultural environment
Manufacturing Assembler
Edwards lifescience
Castletroy
06.2023 - 10.2023
- Assembled and inspected medical device components according to strict quality and regulatory standards.
- Operated within a clean room environment, maintaining proper gowning, hygiene, and contamination control procedures.
- Followed detailed work instructions, blueprints, and standard operating procedures (SOPs) to ensure product accuracy and consistency.
- Collaborated with quality assurance and engineering teams to identify and resolve assembly or material issues.
- Maintained and cleaned workstations and equipment to ensure a sterile, safe work environment. Participated in continuous improvement efforts to enhance efficiency and product quality, adhered to Good Manufacturing Practices (GMP) and company safety policies at all times.
Bar Manager
Larkins bar
Larkins Cross
08.2021 - 06.2023
- Managed daily operations, including scheduling, ordering, and inventory control.
- Recruited, hired and trained new members of bar staff.
- Monitored daily operations, including cash handling procedures and staff performance reviews.
- Maintained positive relationships with suppliers by promptly responding to inquiries or requests.
- Maximized revenue by calculating inventory and retail costs, updating prices regularly.
- Performed regular maintenance checks on equipment and facilities to ensure proper functioning.
- Counted money and made bank deposits.
Quality Control Microbiologist
Edwards lifesciences
01.2021 - 09.2021
- Utilized aseptic techniques while performing environmental monitoring, microbial enumeration, water testing, sterility assays, endotoxin tests and bioburden analysis.
- Participated in root cause analysis activities associated with nonconformance investigations.
- Monitored calibration records for laboratory instruments to ensure accuracy of results.
- Provided technical guidance to other Quality Control personnel regarding microbiology issues.
- Developed and implemented analytical methods for the detection and identification of microorganisms in pharmaceuticals and medical devices.
- Performed quality control testing of raw materials, in-process and finished products to ensure compliance with established standards.
- Documented results using LIMS systems or paper formats as required by company SOPs.
- Assisted in the development of standard operating procedures related to QC Microbiology processes.
- Examined physiological, morphological and cultural characteristics, using microscope, to identify and classify microorganisms in human, water, and food specimens.
Trades Assistant / Labourer
Ranlane ltd.
01.2016 - 01.2020
- Assisted tradespeople in the installation of various equipment and tools, demonstrating excellent knowledge of safety protocols and procedures.
- Utilized hand tools such as hammers, screwdrivers, pliers, wrenches, saws with precision.
- Supported tradespeople in preparing materials for construction projects including cutting metal pipes or lumber to size.
- Successfully operated heavy machinery including forklifts, dumpers and miniature excavators.
- Performed general maintenance duties such as painting, carpentry, steel fixing and plumbing.
- Collaborated closely with other team members throughout each stage of a project’s development in order to meet deadlines effectively.
Education
Bsc. - Biological and Chemical Sciences in Environmental Science
University of Limerick
Ireland08.2023
Leaving Certificate - undefined
St. Munchins College
Ireland01.2018
Skills
- Environmental monitoring & assessment
- Data collection and reporting
- Knowledge of environmental regulations
- Health, safety & risk compliance
- Process improvement & workflow optimisation
- Heavy plant and equipment operation
- Mechanical aptitude & troubleshooting
- Assembly line production efficiency
- Quality control & attention to detail
- Strong organisational and multitasking abilities
- Leadership and team supervision
- Staff training and development
- Inventory management & stock control
- Customer service and client communication
- Conflict resolution & problem solving
- Time management in high-pressure environments
- Workplace hygiene & safety standards
- Analytical and critical-thinking skills
- Adaptability across diverse work environments
- Collaboration and cross-functional teamwork
Certification
- Class C Full Drivers Lisence
- RIIHAN309F Conduct Telescopic Materials Handling Operations
- RIIMPO318F Conduct Civil Construction Skid Steer Operations
- WorkSafe Construction Induction Card
- RIIMPO320F Conduct Civil Construction Excavation Operations
References
References available upon request
ACTIVITIES
- International Volunteering – Calcutta, India (2017): Participated in an independent school-led volunteer initiative, supporting local educators in delivering basic English and mathematics through interactive activities. Assisted staff at Mother Teresa Missionaries institutes caring for children and young adults with physical and intellectual disabilities. Undertook individual fundraising to provide educational materials. This experience offered valuable insight into the social and environmental challenges faced by developing communities.
- School Engagement: Volunteered at St. Munchin’s College Open Days, preparing and operating key physics laboratory equipment for prospective students, helping demonstrate core scientific concepts.
- Sports & Leadership: Long-term involvement in club and school rugby, as well as community-level soccer. These activities strengthened my discipline, teamwork, communication, and critical-thinking skills, and exposed me to leadership roles and high-pressure situations that shaped my work ethic.
- Projects & Presentations: Delivered a presentation on road safety to an audience of over 600 peers as part of the Young Social Innovators programme. Contributed to sustainability and waste-management initiatives in collaboration with the Green Schools Project. Completed a thesis examining the role of Irish SMEs in meeting EU emissions-reduction targets, highlighting their capacity for adaptive and sustainable practices.
Timeline
Plant Operator
Unite Resourcing
02.2024 - 10.2025
Mechanic Assistant
Unite Resourcing
02.2024 - 03.2024
Graindflow Tarping Engineer
Grainflow
10.2023 - 12.2023
Manufacturing Assembler
Edwards lifescience
06.2023 - 10.2023
Bar Manager
Larkins bar
08.2021 - 06.2023
Quality Control Microbiologist
Edwards lifesciences
01.2021 - 09.2021
Trades Assistant / Labourer
Ranlane ltd.
01.2016 - 01.2020
Bsc. - Biological and Chemical Sciences in Environmental Science
University of Limerick
Leaving Certificate - undefined
St. Munchins College