Mechanical Project Engineer / Junior Project Manager
£70,000 - £75,000 + travel | CAT B | £10m mechanical package | 80 weeks | Morgan Sindall (Principal Contractor)
Client under NDA | BPSS security clearance required
We are hiring a hands-on Mechanical Project Engineer / Junior Project Manager to help deliver a large, phased CAT B programme for a confidential client. This is a mechanical-only package within a Tier 1 environment, with Morgan Sindall as PC. You will support the lead Mechanical PM in driving delivery, coordination and commissioning to a clean handover over an 80-week programme, taking ownership of defined areas as you develop.
What you are delivering
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Plantrooms and distribution takeover: landlord/base interfaces, LTHW/CHW hook-ups, pressurisation/expansion, DPCVs/commissioning sets, strainers and flushing bypasses.
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Airside completion: main and secondary duct runs, VAV/CAV boxes, FCU/VRF terminals, fire/smoke dampers, attenuators, final drops to ceiling grids, GRD set-out and acoustic compliance.
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Waterside and public health: CHW/LTHW headers/branches, BCWS/HWS to tea points and welfare, sanitaryware 1st/2nd fix, local booster/POU heaters, full valving/insulation/labelling.
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Controls and integration: BMS field devices, networks and panels, panel mods, IO testing, graphics and alarms; interlocks with FA, access control and metering for tenant splits.
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Life-safety interfaces: smoke extract enablement, damper proving, shutdown sequences, black-building/fail-safe tests.
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Firestopping and BWIC: sleeves, collars, seals and penetration records; openings, plinths and fixings.
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Testing, commissioning and handover: pressure tests, chlorination/sterilisation, dynamic balancing (air/water), water quality certs, BMS P2P, seasonal commissioning plan, asset tagging, O&Ms and training.
What you will run day to day
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Programme and sequencing: support 2–4 week look-aheads, area drops and ceiling-close sequencing; coordinate risers, plant lifts, deliveries and access with other trades.
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Subcontractor leadership: assist with progress/coordination meetings, production targets, labour/materials tracking and off-site fabrication to keep milestones on track.
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Quality control: help manage ITPs, hold/witness points, snag prevention, red-lines/as-builts; verify valve charts, damper schedules and asset registers match install.
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Technical administration: manage submittals/samples, plant/kit trackers, O&M data capture and closure of technical queries alongside the senior PM.
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Health and Safety: support RAMS reviews, permits (hot works/WAH), daily briefings/TBTs, housekeeping in congested voids/risers, area sign-offs pre-ceiling close.
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Commissioning management: assist in authoring and driving the Cx plan; flushing/chemical cleans, pre-commissioning checks, TAB, BMS IO, alarms/graphics and client witnessing to PC.
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Commercial awareness: support take-offs, variation/EWN logs tied to site conditions and late changes; help protect prelims and productivity.
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Handover readiness: compile certs (pressure, chlorination, balancing), BMS trend logs, training agendas, asset lists/QR tags and seasonal commissioning calendars.
What you need knowledge in
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CAT B interiors logistics and micro-phasing in live environments.
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Mechanical systems: AHUs, FCUs/VRF, VAV/CAV, CHW/LTHW, BCWS/HWS, pressurisation and water treatment.
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Controls/BMS enablement and life-safety interfaces.
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UK compliance and best practice: CIBSE guides, Building Regs, SFG20-style maintenance data, water hygiene.
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Tools and reporting: look-aheads, progress trackers, QA packs, commissioning trackers; BIM 360/Field, Navisworks (view-only), snagging apps.
What you need experience in
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Strong mechanical building-services delivery on CAT A/B or similar fast-track interiors (as Project Engineer, Site Manager or Junior PM).
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Track record helping to drive trades to programme with clean QA and commissioning outcomes.
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Calm, clear communication and the ability to unblock issues quickly on site, escalating where needed.
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Able to work under NDA and meet BPSS security requirements.
Interested? Send your CV and we will run you through the role in detail