G4S, as a member of Allied Universal®, the world's leading security services provider, is expanding its team in Metamorphosis, Attica, Greece, and we are seeking a talented Installations Supervisor (Coordinator / Administrator) to join our Large Projects Security Systems team.
We are looking for an organized, proactive, and detail-oriented Installations Supervisor (Coordinator / Administrator) to oversee the planning, execution, and administrative management of our technical projects. In this role, you will serve as the vital link between management, technical teams, and external subcontractors, ensuring that all installations are completed on time, within scope, and aligned with company standards.
Key Responsibilities:
Project Onboarding & Preparation:
Receive new project assignments and thoroughly review specifications
Conduct inventory and material checks to ensure all necessary components are available before project launch
Handle comprehensive project preparation to guarantee a seamless kick-off for the field teams
Scheduling & Dispatch Coordination:
Plan and schedule installations
Efficiently manage and optimize the daily schedule, routing, and task assignments for the technicians
Contract & Subcontractor Management:
Draft, review, and manage subcontracting agreements (Contractor Agreements) for external partners
Serve as the primary point of contact for B2B subcontractors
Financial & Administrative Operations:
Monitor project closure and perform final financial data entry into the company system
Review, process, and track B2B subcontractor invoices
Maintain and monitor the timesheets/attendance logs for administrative and field personnel
Experience: 2–4 years of proven experience in technical project coordination, installation scheduling, logistics, or a similar operations role.
Education: Degree in Business Administration, Engineering, Project Management, or a related technical/field discipline.
Technical & Industry Knowledge: Familiarity with technical installations (prior experience or knowledge of SMP & LP systems is highly desirable).
Software Skills: Proficiency in MS Office (especially Excel) and hands-on experience utilizing ERP systems for financial entries and invoicing.
Soft Skills: Outstanding organizational, multi-tasking, and time-management skills. Strong communication abilities to effectively bridge the gap between technical crews and corporate administration.
Problem Solving: Ability to work under pressure, handle tight deadlines, and resolve scheduling conflicts on the fly.
What We Offer
Competitive salary and benefits package
Comprehensive private health and life insurance
Ongoing professional development and training
Opportunities for global career advancement
Dynamic and collaborative work environment
G4S is committed to Equal Employment Opportunity! If you correspond to the above criteria please don’t hesitate to click the Apply button and send us your resume.

G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security solutions that allow clients to focus on their core business. Through a global workforce of approximately 800,000 people, we leverage best practices in communities all over the world. With revenues at approximately $20 billion, we are supported by efficient processes and systems that can only come with scale to help deliver our promise locally: keeping people safe so our communities can thrive. For more information on G4S, visit www.g4s.com.