Serco Plc
Mechancial Fitter | Porton Down

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Who we are
VIVO provides facilities management and accommodation maintenance for the UK military and its partners. VIVO embodies both experience and innovation.
What we do
We put our Customers and Families First. They are the driving force behind everything we do. We drive forward improvements for them to ensure the service they receive—whether reactive repairs or a major project—is completed safely and on time. Our 4 core values—open, caring, agile and collaborative—are at the heart of everything we do.
Role Opportunity: Mechanical Fitter
Contract: Full Time, Permanent Location: Porton Down, DSTL Working Hours: 37.5 hours per week, Monday to Friday (on-call rotations: 1 in 6 weeks) Salary: £41,000 – £45,000 dependent on qualifications
About the Role
Working as part of the Technical Services team under the Technical Services Manager, your responsibilities will include:
- Delivering planned preventative maintenance and reactive maintenance across a range of mechanical systems.
- Ensuring continuation of safe and reliable facility operations under the facilities management contract.
- Complying with statutory and statutory compliance requirements.
- Collaborating with a team of five Mechanical Fitters to perform maintenance tasks according to established schedules.
- Conducting remedial works and fault rectification to minimise disruptions to end users.
- Maintaining accurate maintenance records via a CAFM system whilst updating compliance documentation promptly.
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I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
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Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
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Key tasks involve:
- Technical support and advice for colleagues, clients, and end users.
- Collaborating with tradespersons and specialist subcontractors.
- Supervising contractors, ensuring documentation, certifications, and compliance per company and client standards.
Daily activities include routine maintenance of systems like:
- Commercial heating systems
- Chilled water systems
- Pressurised water systems
- Compressed air systems
- Mechanical air handling units
- Local exhaust ventilation
- Steam installations
Additionally, you’ll work with pressure systems under PSSR 2000 regulations, and support requirements for:
- Confined spaces
- Legionella control
- Other regulated systems
Requirements
Essential Qualifications & Experience:
- NVQ Level 3 or equivalent in a relevant discipline (e.g., Mechanical Engineering).
- Accredited First Aid qualification required (or willingness to obtain one).
- Strong technical knowledge of mechanical building services including:
- Heating systems
- Ventilation
- Pressurised water systems
- Compressed air systems
- Steel installations


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Desirable Qualifications & Experience:
- IOSH Working Safely certification.
- HVAC experience/qualifications.
- F-Gas certification.
- Legionella awareness training.
- Familiarity with SFG20 maintenance schedules.
- Safe systems compliance with JSP 375 (Ministry of Defence).
Security Requirements:
- Must hold UK Nationality.
- Ability to obtain Security Check (SC) clearance.
Benefits
- Work van & annual fuel card allowance.
- Contributory pension scheme (up to 6%).
- 25 days annual leave + bank holidays.
- Volunteer leave policy.
- Paid professional subscription (1 per employee).
- Life Assurance Policy.
- Employee discount & reward schemes.
- Career progression through training and support.
Employment Notes
VIVO Defence Services is a joint venture between Serco and EQUANS. As part of the application process, CV information may be shared with both organisations. We commit to diversity and inclusivity during hiring, including accessibility accommodations and encouraging diverse candidate participation.
We embrace flexible working discussions and offer a hybrid working structure. VIVO is proud to be a Disability Confident Leader; disabled candidates meeting minimum criteria are encouraged to participate in interviews to showcase their abilities.
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