Technical Infrastructure Site Manager

Colt Technology Services; Marseille; Sur place; EUR 65 000 - 90 000; Plein temps

Avantages offerts par ce poste

Flexible working hours

Work from home option

Mentors and induction

Global career opportunities

Employee assistance program

Résumé du poste

Colt Technology Services is seeking a Technical Infrastructure Site Manager to ensure safety, reliability, and performance of our network infrastructure across France, including Marseille and Lyon bases. You will manage mechanical and electrical systems at Colt node sites, coordinate third‑party contractors, and drive energy efficiency and cost control.

You will work with landlords, suppliers and project teams to support upgrades, capacity reporting, and 24/7 on‑call coverage, while maintaining

Qualifications

• Experience with medium/large mission-critical mechanical and electrical infrastructures.
• Technical competence in electrical, mechanical and cooling systems incl transformers, generators, UPS.
• Fluent in French and English.

Responsabilités

• Manage site mechanical, electrical and cooling infrastructure across Colt node sites.
• Oversee third‑party contractors, health & safety and environmental compliance.
• Monitor energy efficiency, cost controls and capacity reporting.
• Support EOL projects, upgrades and site expansions.

Connaissances

Electrical engineering

Mechanical engineering

HV/MV systems

Project management

Safety regulations

Team leadership

Third-party coordination

French and English

Formation

Electrical or Mechanical engineering degree

Description du poste

Colt provides network, voice and data centre services to thousands of businesses around the world, allowing them to focus on delivering their business goals instead of the underlying infrastructure.

Why we need this role

The Technical Infrastructure Site Manager plays a critical role in ensuring the safety, reliability, and performance of Colt’s network infrastructure across France. Responsible for the operational management of mechanical and electrical systems at Colt node sites, long-distance network repeater facilities, and associated offices, this role ensures business continuity through proactive maintenance, robust health and safety practices, and effective management of third‑party providers.

Working closely with internal stakeholders, landlords, suppliers, and project teams, you will drive operational excellence, optimise site performance and energy efficiency, manage site operating budgets, and support infrastructure upgrades, expansions, and end‑of‑life replacement programmes that enable Colt’s network to grow and evolve securely and sustainably.

What You Will Do

Infrastructure and Cost Efficiency:

• Ensuring effective management of building services (through third party contractors)
• Ensuring site cleanliness (through third party contractors)
• Installation of mechanical & electrical infrastructures for the sites assigned to you
• Supporting successful compliance of ISO14001 (Environmental), ISO27001 (Information Security Management System), ISO9001/20000 (Quality & Service Management System)
• Business As Usual, day to day operational running of your sites
• Maintenance and repair of existing infrastructure
• Monitoring of all infrastructure (ensuring all remote & local BMS monitoring is fully functional)
• Completing capacity reports when requested
• Monitoring of energy efficiency and proactively drive & record savings
• Managing maintenance costs
• Writing of standard and emergency operations procedures and training of operatives staff
• Available for out of hours planned and reactive support, which can involve switching of HV & MV systems and supporting any generating routine testing.
• Liaise with Landlord representatives
• Keeping the JCAD risk register up to date with current operational risks
• Identifying internal and third‑party team technical and professional development and training.
• Rack/footprint availability reporting
• Small works requests, Capacity Reporting
• Site Opex cost controlling (including PO raising and receipting)
• Supporting the End Of Life infrastructure equipment and associated Capex forecasting
• Energy Efficiency (Targeted Opex cost savings)
• Site plant performance trending

Managing Risk, Health, Safety And Environmentals

• Managing a safe system of working across all works
• Ensuring a ‘Permits To Work ’regime is in place and a PTW’s are issued for all works including Prevention Plan
• Undertaking Health & Safety audits and completing supporting checklists
• Completing Health & Safety and/or Accident reporting
• Influencing safe use of the technical areas by all visitors and contractors (Other dept. sub contractors)
• Managing Third‑party contractors whilst onsite
• Complying with ‘Change Control’ processes
• Risk assessment creation and updating method statements to be site and task specific
• Ensuring all Health & Safety compliance is in place onsite at all times

Projects

• All projects, i.e. battery replacements, gas bottle replacements, LV/MV breakers, etc.
• Infrastructure End Of Life (EOL) replacement works
• New Node or container site builds
• Node exits
• Energy efficiency initiatives and projects

Commercial Support

• M&E contract negotiation and management
• Providing power and environmental solutions to site needs
• Assists legal teams in regard to contract negotiation & projects
• Delivering site tours if necessary

Essential

What we’re looking for

• Experience of working with medium/large mission critical Mechanical & Electrical infrastructures in a Supervisory / technical / engineering capacity.
• Technical competence in electrical, mechanical and/or cooling disciplines including transformers, generators, switchgear, UPS systems, DC Systems, ATS/STS units, PDU units, chillers, air handling units, RCU/CRAC units.
• Experience working with controls, security monitoring systems, fire safety systems and working understanding of start‑up/commissioning processes.
• Strong familiarity with EU safety regulations and controls.
• Demonstrated skills in requirements gathering, resource organization, task prioritization, scheduling.
• Demonstration of effective delivery of objectives and assigned tasks
• Great attitude with internal and external customers and external parties, and able to address any issues.
• Previous experience in motivating, leading and creating an effective team environment
• Effective scheduling and management of third‑party technical resources
• Excellent inter‑personnel skills and ability to work in an international team
• Ability to manage high work volumes and work well under pressure particularly during management of critical infrastructure incidents
• Experience of switching HV and/or MV systems
• Willingness to travel between sites if required
• Fluent in French and English (written and spoken), other language is a plus

Desirable

• Experience in Critical Infrastructures operations, design and project management
• Able to lead Infrastructure projects

Qualifications

• Degree level in Electrical or Mechanical engineering, or equivalent level of job experience
• Membership of relevant professional body (desirable)
• Full driving licence
• Qualified with an Authorised Persons accreditation

Other

• Based in Lyon or Marseille with travel to LDN sites if required and occasionally travel to Paris
• Requirement to work flexible hours to support business objectives and if a major incident has occurred
• Availability to join 24/7/365 On Call rota
• Be aware of Colt Information security, business continuity, quality and other ISO or equivalent policies/ industry standards and discharge duties against them as appropriate.
• Identify risks related to process and information security and treat/ mitigate the same as appropriate

What We Offer You

Looking to make a mark?

At Colt, you’ll make a difference. Because around here, we empower people. We don’t tell you what to do.

Instead, we employ people we trust, who come together across the globe to create intelligent solutions.

Our global teams are full of ambitious, driven people, all working together towards one shared purpose: to put the power of the digital universe in the hands of our customers wherever, whenever and however they want.

We give our people the opportunity to inspire and lead teams, and work on projects that connect people, cities, businesses, and ideas. We want you to help us change the world, for the better.

Diversity and inclusion

• Inclusion and valuing diversity of thought and experience are at the heart of our culture here at Colt. From day one, you’ll be encouraged to be yourself because we believe that’s what helps our people to thrive. We welcome people with diverse backgrounds and experiences, regardless of their gender identity or expression, sexual orientation, race, religion, disability, neurodiversity, age, marital status, pregnancy status, or place of birth.

Most Recently We Have

• Signed the UN Women Empowerment Principles which guide our Gender Action Plan
• Trained 60 (and growing) Colties to be Mental Health First Aiders
• Please speak with a member of our recruitment team if you require adjustments to our recruitment process to support you. For more information about our Inclusion and Diversity agenda, visit our DEI pages.

Benefits

Our benefits support you through all parts of life, for both physical and mental health.

• Flexible working hours and the option to work from home.
• Extensive induction program with experienced mentors and buddies.
• Opportunities for further development and educational opportunities.
• Global Family Leave Policy.
• Employee Assistance Program.
• Internal inclusion & diversity employee networks.

A global network

• When you join Colt you become part of our global network. We are proud of our colleagues and the stories and experience they bring – take a look at ‘Our People’ site including our Empowered Women in Tech.