At John Sisk & Son, we’re more than a construction company. We’re a family-owned business with a global reach, committed to building excellence in every project. We deliver trust, certainty and value to our clients while embracing innovation and shaping the future of construction.
The Assistant Buyer will support the Purchasing Manager and wider Procurement team in the sourcing and administration of construction materials and services. The role offers a strong foundation for someone looking to develop a career in procurement, with opportunities for learning, growth and contribution to key projects across Ireland.
Procurement and Sourcing
* Assist in servicing material requisitions in line with company procedures and project timelines
* Source and negotiate pricing for construction materials and services under the guidance of the Purchasing Manager
* Maintain supplier relationships and support ongoing supplier review and performance management
* Promote the use of preferred supplier agreements and e‑catalogues across project teams
Administration and Process Support
* Maintain accurate purchase order and supplier records
* Track supplier performance, costs and delivery accuracy
* Assist in resolving account queries and ensure documentation is managed in line with internal processes
* Contribute to the continuous improvement of procurement workflows and data accuracy
Collaboration and Stakeholder Engagement
* Support communication between procurement, site and project teams
* Participate in planning and lookahead meetings to ensure early procurement engagement
* Liaise with internal stakeholders to resolve material supply or scheduling issues in a timely manner
Essential
* Minimum two years’ experience in administration, buying or procurement support roles
* Strong organisational and numerical skills with attention to detail
* Ability to prioritise and manage multiple tasks within tight deadlines
* Good communication and interpersonal skills
* IT literacy including Microsoft Office and familiarity with procurement or ERP systems
* Leaving Certificate or equivalent qualification
* Demonstrated interest in procurement or supply chain management
Desirable
* Experience within the construction industry or a related sector
* Basic technical understanding of construction materials and systems
* Knowledge of procurement compliance and reporting practices
* Familiarity with COINS or similar ERP platforms
* Working towards or willing to pursue a CIPS qualification (support available)
* Training or experience in procurement systems or digital tools
Key Requirements
* Flexibility to work on‑site approximately one day per week, with the remaining days office‑based or hybrid after probation
* Willingness to travel to sites across Ireland as required
* Collaborative, team‑oriented mindset with a proactive approach to learning
What We Offer
* Competitive salary
* 26 days annual leave plus additional company days
* Pension and benefits
* Structured development and training opportunities
* Exposure to major construction projects
* Supportive team culture and flexible working
Our People and Recruitment Commitment
At Sisk Group our people are at the heart of our success. We offer the chance to work with purpose, build a career with no limits and be part of a great team.
All vacancies are managed directly by our Internal Recruitment Team. Unsolicited contact or speculative CVs from unapproved agencies will not be accepted and no introductory fees will apply.
We are an equal opportunities employer. We welcome applications from all qualified candidates regardless of gender, race, ethnicity, disability, age, sexual orientation, religion or any other protected characteristic. Reasonable adjustments are available during the recruitment process.
All recruitment materials comply with legal and regulatory requirements including the EU Pay Transparency Directive and the Equality Acts UK and Ireland.
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