At a Glance
- Tasks: Lead mechanical operations and ensure compliance for HVAC systems in a high-profile corporate estate.
- Company: Join a landmark commercial development in the heart of London.
- Benefits: Competitive salary, funded upskilling, and generous overtime rates.
- Other info: Diverse workplace that values equality and supports all applicants.
- Why this job: Be the technical authority in a dynamic environment with excellent career growth opportunities.
- Qualifications: Must have F-Gas certification and a mechanical engineering qualification.
The predicted salary is between 48454 - 59222 £ per year.
Location: City of London
Salary: £60,000 + package
Contract: Monday - Friday: 8am - 5pm
The Opportunity
Are you an experienced Mechanical & HVAC Specialist looking for a key technical role within a landmark commercial development in Central London? We are seeking a Mechanical Supervisor to act as the primary technical authority for all mechanical, HVAC, and refrigeration systems across a high-profile corporate estate. Reporting directly to the Engineering Manager, this role is ideal for a hands‑on mechanical expert who excels at technical diagnostics, subcontractor oversight, and statutory compliance management without the burden of line‑managing direct reports. If you take pride in managing pristine plant rooms, ensuring 100% compliance, and working in a well‑invested, high‑spec environment, this opportunity offers an exceptional platform for professional stability and career growth.
Key Responsibilities
- Technical Operations & Maintenance Governance
- Mechanical Systems Ownership: Act as the lead mechanical competent person on‑site, overseeing the operation and maintenance of business‑critical HVAC plant, centralized chillers, VRF/VRV systems, Air Handling Units (AHUs), Fan Coil Units (FCUs), LTHW boilers, pumps, and water services.
- F‑Gas Governance: Take full accountability for F‑Gas compliance across all refrigeration and cooling assets, ensuring logbooks, leak checks, and refrigerant recovery registers are kept 100% accurate and audit‑ready.
- Subcontractor Management: Coordinate and oversee specialist supply chain partners for hard services, annual maintenance, statutory inspections, and reactive call‑outs. Inspect work quality and verify completion against scope.
- Overtime & Call‑Out Support: Participate in planned out‑of‑hours maintenance, building shutdowns, and reactive call‑outs as required (generous overtime rates available).
- Compliance, RAMS & Safety Leadership
- Safe Systems of Work (SSoW): Author, review, and challenge site‑specific Risk Assessments and Method Statements (RAMS) for internal tasks and specialist contractors.
- Permit to Work System: Manage and enforce the site Permit to Work (PTW) system for high‑risk mechanical, hot works, and pressure system tasks.
- Statutory Compliance & Logbooks: Maintain physical and digital compliance logbooks (including F‑Gas, Pressure Systems Safety Regulations [PSSR], ACoP L8 water hygiene, and mechanical statutory testing) in pristine condition.
- Technical Administration & Client Diplomacy
- Engineering Reporting: Compile concise technical reports, asset deficiency logs, and incident root‑cause analyses for the Engineering Manager and client representatives.
- CAFM System Administration: Manage, update, and close out planned preventative maintenance (PPM) and reactive work orders within contractual SLAs using the site tablet system.
Person Specification
Qualifications & Certifications (Essential)
- Refrigeration & Cooling Ticket: City & Guilds 2079 F‑Gas Category 1 or NVQ Level 2/3 in Refrigeration & Air Conditioning (Mandatory).
- Mechanical Apprenticeship / Qualification: Completed formal apprenticeship with NVQ Level 3 (or City & Guilds equivalent) in Mechanical Engineering, Heating & Ventilation, or Building Services.
- Water Hygiene: ACoP L8 / Legionella Awareness certification (Desirable).
- Safety Accreditation: IOSH Working Safely or IOSH Managing Safely (Desirable).
Experience & Professional Attributes
- Proven Track Record: Demonstrable experience working as a Senior Mechanical Engineer, Mechanical Lead, or Mechanical Supervisor within a high‑spec commercial office or corporate estate.
- Compliance IQ: In‑depth knowledge of statutory building regulations, F‑Gas legislation, PSSR, and SFG20 maintenance standards.
- System Literacy: Proficient with computerised maintenance management systems (CAFM/CMMS) and standard office software (Word, Excel, Outlook).
What We Offer
- Competitive Base Compensation: Highly competitive salary package reflecting technical expertise.
- Funded Upskilling: Dedicated funding for technical development, including pathways toward Authorised Person (AP) status for Pressure Systems / Mechanical Safety.
Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are more than happy to discuss reasonable adjustments and/or additional arrangements as required to support your application. Candidates must be eligible to live and work in the UK. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.
Mechanical Supervisor employer: Randstad Staffing
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StudySmarter Expert Advice🤫
We think this is how you could land Mechanical Supervisor
✨Get Your Hands Dirty at Engineering Events
Join local engineering meetups or industry conferences related to mechanical engineering. Whether it's a workshop or a career fair, these events are goldmines for networking and getting a foot in the door. Plus, you can showcase your passion and enthusiasm directly to potential employers like Randstad Staffing.
✨Connect with Professors & Peers
Tap into your university’s resources—professors often have connections in the industry. Don’t be shy to ask about potential openings or recommendations. Your classmates might also know of companies hiring. Often, it’s who you know that gets you in front of the right people!
✨Highlight Your Projects and Practical Experience
When you land those interviews, make sure to talk about your hands-on projects or internships. Whether it's a design project or hands-on experience with CAD software, specific examples will make you stand out. Companies like Randstad Staffing love to hear about practical applications of your skills.
✨Apply Directly on Company Websites
Check out the careers page of Randstad Staffing and apply directly through there. It shows initiative and interest in their specific values. Plus, you'll often find openings that aren't advertised on job boards, giving you a better chance to land that full-time gig!
We think you need these skills to ace Mechanical Supervisor
Some tips for your application 🫡
Show Off Your Technical Expertise:In mechanical engineering, it’s vital to highlight your technical skills and projects. Make sure to include relevant software proficiency (like CAD tools) in your CV. If you've worked on specific engineering projects, detail your key contributions — we want to see how you’ve applied your skills in a practical setting!
Focus on Problem-Solving Examples:Employers in mechanical engineering love to see how you handle challenges. Use your cover letter to share specific instances where you’ve solved a complex problem or improved a design. This will show us you're not just knowledgeable but also capable of applying that knowledge effectively.
Highlight Relevant Certifications:Include any relevant certifications or training that can set you apart from the competition. Whether it's coursework from your degree, a recognised certification, or extra training in new technologies, we love to see candidates who continuously improve their skill set. This tells us you're serious about your career in engineering!
Tailor Your CV for the Role:Don’t forget to customise your CV for Randstad Staffing and the Mechanical Supervisor role specifically. Pull examples from your experience that align with the job description — it shows us you've done your research and are genuinely interested in becoming part of the team. We recommend applying through our website to ensure your application gets to the right people!
How to prepare for a job interview at Randstad Staffing
✨Brush Up on Your CAD Skills
Since mechanical engineering often involves design processes, be ready to showcase your proficiency in CAD software like SolidWorks or AutoCAD. Bring along a digital portfolio or even some sketches that demonstrate your design capabilities — it’s a great way to show what you can bring to the table at Randstad Staffing.
✨Prepare for Technical Questions
Expect technical questions that test your understanding of engineering principles and problem-solving skills. You might get hypothetical scenarios where you need to design a component or troubleshoot a mechanical system. Practising these types of questions will give you the confidence to tackle whatever comes your way!
✨Show Your Team Spirit
As a full-time mechanical engineer, collaboration is key! Be ready to share examples of past team projects or any experiences where you contributed to solving a complex problem with others. Demonstrating your ability to work in a team will resonate well with the interviewers at Randstad Staffing.
✨Discuss Your Future Goals
Since this is a full-time position, your long-term vision is important. Be open about your career aspirations, whether it’s mastering a specific tool or leading projects. This shows that you're committed not just to learning but also to growing with Randstad Staffing, making you a more appealing candidate.
