John Sisk & Son Ltd
Site Agent - Infrastructure
Skills
4 days ago
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Important information
Contract type:
Permanent
Location:
Clane, Co. Kildare, Ireland
Work mode:
Onsite
Published on:
16 October 2026
What they need
Overview At Sisk, we create places and infrastructure that shape how people live, work and connect – now and for future generations. As a family owned, international construction and engineering group, we offer meaningful careers across building, infrastructure, rail, energy and off site manufacturing throughout Ireland, the UK and Europe, where people are supported to grow, make an impact and be part of positive change.
The Site Agent has overall responsibility for the delivery of a specific site, typically a large-scale project. This is the lead construction role on the ground, responsible for the safe, efficient and quality-driven supervision of all site activities. The Site Agent will oversee the preparation of the site prior to launch and manage operations throughout the full construction phase.
Responsibilities
- Participate in compiling the initial programme and understand weekly targets
- Plan and oversee site setup to ensure facilities are in place before project launch
- Manage relationships with subcontractors on site
- Ensure health, safety, environment, quality and sustainability (HSEQS) protocols are followed at all times
- Maintain quality control procedures
- Ensure the temporary works register is in place and kept up to date
- Highlight issues to the contract management or commercial teams that may affect project delivery including materials, resources, schedules, safety or costs
- Drive the pace of the project and plan the work on site
- Monitor onsite energy and waste data Coordinate and prioritise the sequence of activities
- Manage foremen and site staff
- Lead daily whiteboard meetings
- Ensure employees follow correct incident protocols on site
- Manage project delivery from mobilisation to completion
- Communicate site requirements to the commercial team and seek efficient solutions that balance technical and commercial needs
- Delegate responsibilities appropriately to site staff
- Manage site records and ensure contemporaneous documentation is maintained
- Follow the project execution plan to deliver on time and within budget
- Implement and oversee an efficient registration system for all individuals entering and leaving the site
Experience
- Over 10 years’ experience delivering construction projects across multiple sectors
- Proven track record of leading teams and managing medium to large scale projects
- Strong people management skills with the ability to supervise subcontractors and direct staff
- Ability to communicate clearly and persuasively with colleagues and clients
- Comprehensive understanding of trades, codes of practice and specific site requirements.
- Skilled in building consensus and fostering positive working relationships
- Knowledge of industrial relations practices
- Strong decision-making skills and ability to prioritise in the interests of the project
- Calm under pressure and leads by example
Qualifications Required
- Trade or technical background
- IOSH or equivalent health and safety management training
- Temporary works and excavation safety training
- Training in permitting for live energy works
- Training in working at heights and scaffolding
- Training in lifting and cranage operations
- Other HSEQS training as per site HSE plan
- Knowledge of new construction technology systems
- Understanding of BIM strategy.
Desirable
- Relevant project management qualification or course
- Completion of the Sisk internal management programme
- Degree in engineering, construction management or a related discipline
Additional Information What We Offer At Sisk, your rewards package goes far beyond your salary. Our most valued benefits include:
- Competitive salary
- 26 days annual leave
- Pension scheme
- Comprehensive health, wellbeing and lifestyle supports
- Career development opportunities
- And much more as part of our Total Rewards programme
Our People & Recruitment Commitment At Sisk, our people are at the heart of everything we do. We offer the opportunity to work with purpose, grow a career without limits and be part of a supportive, collaborative team.
All vacancies are managed directly by our Internal Recruitment Team. Unsolicited CVs or speculative contact from unapproved agencies are not accepted, and no fees will be payable.
Equity, Inclusion & Accessibility We are an equal opportunities employer. We welcome applications from all qualified candidates regardless of gender, race, ethnicity, disability, age, sexual orientation, religion, family status or any other protected characteristic. We are committed to providing reasonable adjustments throughout the recruitment process to support all candidates.
Encouraging All Talent to Apply We understand that the confidence gap or imposter syndrome can discourage great people from applying. Even if you don’t meet every requirement, we encourage you to express your interest — your skills, experience and potential are what matter.
Compliance & Transparency All recruitment materials are designed to meet or exceed legal and regulatory requirements, including the Irish and UK Equality Acts and the EU Pay Transparency Directive, ensuring fairness, transparency and equal access for every applicant.
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