Better places, thriving communities.
Job title: Commissioning Manager
Based from: Various sites across the UK
Region covered: UK Wide
Reports to: Contracts Manager
The Role
This role will oversee the commissioning of Life Safety, Fire Detection, Fire Suppression, Sprinkler, Security, and Data Infrastructure systems specifically within large-scale Industrial, Commercial, Residential and Data Centre environments.
The Commissioning Manager will provide technical leadership, challenge design information, manage multidiscipline commissioning teams, and ensure all systems are integrated, validated, and handed over in accordance with all standards, legislation, project specific standards and client timescales.
Duties and Responsibilities
1. Planning & Coordination
2. Develop detailed commissioning plans, programmes, procedures, and schedules for ELV systems (Life Safety, CCTV, Access Control, Intercom, etc).
3. Review design drawings, specifications, and scope documents to identify commissioning requirements.
4. Coordinate with design teams, project managers, subcontractors, and vendors to ensure readiness for commissioning.
5. Conduct commissioning meetings and prepare progress reports for management and clients.
6. Review resource requirements and skill set for each project/system and ensure they are in place as per the commissioning plan/programme
7. Plan across multiple projects to ensure commissioning plans/programme/resources are in place and that one project doesn't fail due to another project over-running.
8. Coordinate and manage integration workshops between life safety systems, security systems, sprinklers, fire suppression and data systems
9. Commissioning Execution
10. Ensure the project commissioning plan is in place and lead and supervise commissioning engineers on site in conjunction with the project site team
11. Carry out weekly checks with commissioning engineers to ensure programme being adhered to and monitor progress/resource issues
12. Oversee programming, system configuration, and integration between multiple ELV systems (e.g., linking fire alarm with access control or BMS)
13. Ensure all issues identified during testing are logged, rectified, and reverified before system handover
14. Implement and manage commissioning gateways, punch list management, and closure
15. Quality Assurance & Compliance
16. Verify compliance with Specifications, BAFE, BS, EN, and GBEC Policies and procedures
17. Support standardization of commissioning processes across multiple sites
18. Coordinate third-party testing, inspections, and approvals with relevant agencies or consultants
19. Maintain QA/QC documentation, including checklists, test reports, and witness sheets
20. Ensure commissioning activities follow safety and quality management procedures
21. Review and validate commissioning scripts, method statements, and integrated test plans
22. Documentation & Handover
23. Prepare and maintain complete commissioning documentation, including test sheets, commissioning logs, and defect reports
24. Manage and support the preparation of as-built drawings, O&M manuals, and training sessions for client representatives
25. Oversee final acceptance testing (FAT), site acceptance testing (SAT), and system handover to the client
26. Ensure all commissioning evidence is captured through approved digital platforms (e.g., Dalux, BIM, Cx software, ATP)
27. Leadership & Team Management
28. Lead, mentor, and train commissioning teams and engineers
29. Demonstrate a key focus in driving force to deliver project close outs
30. Communicate risks early, escalate blockers, and drive issue resolution to protect milestones
31. Support end-user training and handover of fully validated systems
32. Ensure coordination with other trades (mechanical, electrical, BMS, lifts, etc) to ensure smooth integration
33. Provide technical support and troubleshooting throughout project execution
Working Conditions
34. Primarily site-based role with travel between multiple project locations
35. May involve extended working hours to meet project deadlines
36. Must comply with all site safety and company policies
No job description can be entirely comprehensive and the jobholder will be expected to adapt and carry out such other duties as may be required from time to time, on the understanding that they will be within the individual's remit and capability, and consistent with the status and responsibilities of the role within the business.
Person Specification
Skills & Competencies
37. Minimum 5+ years senior commissioning experience on large commercial or Data Centre projects
38. Deep understanding of ELV and life safety systems architecture and integration
39. Presenting & demonstrating commission delivery position to senior management teams
40. Strong leadership, planning, and team coordination skills
41. Highly organized with strong urgency, attention to detail, and commitment to zero-defect execution
42. Proficiency in commissioning tools, system diagnostic software, and network configuration
43. Excellent communication and documentation abilities
44. Analytical mindset with strong troubleshooting and problem-solving capabilities
45. Ability to manage multiple projects and meet deadlines under pressure
Essential
46. Hold CSCS Card and SMSTS Safety Trained
47. Experience in working on and commissioning Fire Detection, Voice Alarm, Disabled Systems, Access Control, CCTV, Intruder systems to the applicable British, European and NACOSS Standards and knowledge of all relevant BAFE/BRE codes of practice
48. To be conversant with and up to date in respect of new technologies and regulatory standards that are relevant to the design process
49. Minimum of 5+ Years Experience Commissioning Medium/Large Projects
50. Plan and monitor work to tight time scales and deadlines
51. Multitask across multiple projects
52. Good verbal and written communication skills, including the ability to prepare reports
53. Work creatively and innovatively dealing with core issues with customers
54. Form good working relationships with colleagues, customers and stakeholders
55. Strong understanding of redundancy philosophy, fire strategies for data halls, and operational uptime commissioning procedures
56. Experience managing multi-discipline commissioning teams and running commissioning meetings/workshops
57. Influence, persuade and negotiate effectively
58. Understand and disseminate specifications and technical drawings
59. Display initiative and to have strong attention to detail
60. Be highly motivated and orientated with a strong drive to deliver and succeed
61. Have good organisational and time management skills
62. Good presentation and customer facing skills
63. PC Literate and Good understanding of Microsoft Products
Desirable
64. FIA/NACOSS Training (Advanced Installer & Advanced Commissioner)
65. First Aid Training
66. System Knowledge / Experience: Fire Alarms - Gent/WINMAG/DRAX/Advanced/Siemens/FAAST/Xtralis/ Apollo PAVA - Honeywell/Baldwin Boxall Disabled Systems - Baldwin Boxall/C-TEC Security System - Milestone/Xplan/CCure/AMAG/Lenel/Hikvision/Axis/ Galaxy/Comelit/Commend
67. Previous experience of working within Fire, Security or Data Infrastructure industry
68. M&E Co-ordination experience
We are an equal opportunity employer and value diversity. All employment is decided on the basis of qualifications, merit and business need.
Working Conditions
Primarily site-based role with travel between multiple project locations (this may also include projects outside the UK). The position demands the capability to work across a wide range of challenging site environments, including construction areas, restricted technical spaces, live data halls, and high-security facilities.
The Commissioning Manager must consistently operate under intense time pressures, strict programme deadlines, and critical-path conditions where commissioning activities directly impact project completion and client operations, this may involve working additional hours, evenings and weekends to meet these deadlines.
The ability to remain calm, organised, and decisive in high-pressure scenarios is essential to ensure safe, efficient, and successful project delivery.
Group Compliance
As part of the companies compliance to The Health & Safety at Work Etc Act, ISO for Quality, ISO for Environmental and ISO for Information Technology, there are several key objectives that are issued each year upon management review that we expect all staff to work towards in order for the company to meet these objectives and include but are not limited to:
69. Compliance to all legislative and British Standard requirements
70. Compliance to associated accreditation bodies schemes from NSI, BAFE, LPCB, FIA and others as required
71. Maximise customer satisfaction with the services provided by GBE Converge
72. Working to reduce, renew and recycle any waste on and off our sites including our offices
73. Protect the environment and ensure use of toxic materials is avoided where possible
74. Work to best safe practice and ensure actions do not cause harm unto themselves or others
75. Employees will not tamper with any issued PPE or plant machinery that it may cause harm unto themselves or others
76. Ensure all minimum training requirement are met in compliance with the relevant ISO standards
77. Ensure that any Information Technology ‘incidents' are effectively reported and resolved in a timely fashion (internally or externally)
78. Maintain clear desk and screen at all times
79. Compliance to ensure no deliberate breaches in security information and/ or systems
Our market-leading offering provides you with benefits that suit your lifestyle.
We have a virtual GP on hand for you and members of your household. So you can get expert advice by video or phone without having to leave your home. We offer financial wellbeing assistance through our Salary Finance scheme. For example, you could access 50% of your earned pay before payday for a small fee. Salary Finance also offers competitive loans.
When you join us, we’ll give you a link to our flexible lifestyle benefits platform, Choices. You might choose to purchase up to five extra days’ holiday each year. You might buy critical illness insurance, seek dental treatment or buy technology products at an affordable cost. There are many choices!
We give you access to high street discounts from thousands of well-known retailers, gyms and more through our MiDeals platform. And we have a cycle-to-work scheme. Life cover of up to four times your salary is available. We also offer enhanced pension contributions, a save-as-you-earn scheme, and a Mitie Matching Share Plan (you could even be awarded free shares in Mitie).
We award our employees with Mitie Stars as recognition for their hard work. There are cash prizes up for grabs each month and at the end of the year there’s a chance to scoop a top prize of £10,!
Our success is a direct result of the experience and quality of our people. Progressing your career is therefore a top priority for us. We offer a diverse variety of training and development avenues via a wide selection of learning resources to suit you.
We are committed to ensuring our recruitment process is inclusive and accessible to all. If you have a disability or long-term condition (for example dyslexia, anxiety, autism, a mobility condition or hearing loss) and need us to make any reasonable adjustments, changes or do anything differently during the recruitment process, please let us know by emailing at .