Mechanical Project Manager

  • James Lewis Recruitment
  • Thatcham, Berkshire
  • Feb 27, 2026
Full time Construction

Job Description

Mechanical Project Manager

£75,000 £90,000 + 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 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 take ownership of defined areas of the works while supporting overall delivery, coordination, commissioning and a clean handover across an 80-week programme.

What you are delivering

Plantrooms and distribution takeover: landlord/base interfaces, LTHW/CHW hook-ups, pressurisation/expansion, DPCVs/commissioning sets, strainers and flushing bypasses.

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.

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.

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.

Life-safety interfaces: smoke extract enablement, damper proving, shutdown sequences, black-building/fail-safe tests.

Firestopping and BWIC: sleeves, collars, seals and penetration records; openings, plinths and fixings.

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

Programme and sequencing: drive 2 4 week look-aheads, area drops and ceiling-close sequencing; coordinate risers, plant lifts, deliveries and access with other trades.

Subcontractor leadership: chair/lead progress and coordination meetings, set production targets, track labour/materials and manage off-site fabrication to keep milestones on track.

Quality control: manage ITPs, hold/witness points, snag prevention, red-lines/as-builts; verify valve charts, damper schedules and asset registers match install.

Technical administration: manage submittals/samples, plant/kit trackers, O&M data capture and closure of technical queries through to sign-off.

Health and Safety: oversee RAMS reviews, permits (hot works/WAH), daily briefings/TBTs, housekeeping in congested voids/risers, area sign-offs pre-ceiling close.

Commissioning management: own and drive the Cx plan; flushing/chemical cleans, pre-commissioning checks, TAB, BMS IO, alarms/graphics and client witnessing through to PC.

Commercial awareness: manage take-offs, variations/EWN logs tied to site conditions and late changes; protect prelims, productivity and programme.

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

  • CAT B interiors logistics and micro-phasing in live environments

  • Mechanical systems: AHUs, FCUs/VRF, VAV/CAV, CHW/LTHW, BCWS/HWS, pressurisation and water treatment

  • Controls/BMS enablement and life-safety interfaces

  • UK compliance and best practice: CIBSE guides, Building Regs, SFG20-style maintenance data, water hygiene

  • Tools and reporting: look-aheads, progress trackers, QA packs, commissioning trackers; BIM 360/Field, Navisworks (view-only), snagging apps

What you need experience in

  • Strong mechanical building-services delivery on CAT A/B or similar fast-track interiors (as a Mechanical PM, Senior Project Engineer or Site Manager stepping up)

  • Track record driving trades to programme with clean QA and commissioning outcomes

  • Calm, clear communication and the ability to unblock issues quickly on site, escalating where needed

  • Able to work under NDA and meet BPSS security requirements

Interested? Send your CV and we will run you through the role in detail.