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🟢 Actively Hiring · Posted 24d ago ⏳ Closes in 67 days UK Corridor 🛡️ UK Work Eligibility 🏢 Company - Private

Assistant Site Manager

🏢 ISG plc • 📍 London, England • 🕒 Sep 14, 2026
Salary Range
£27,600 - £54,305
£2,300 - £4,525 / mo

Career Integrity & Compliance Audit Report

OP-VERIF-EED4CDF0 ✓ Passed Inspection

This vacancy has been independently reviewed by the OppaJob Transatlantic Career Intelligence Desk to confirm authentic direct employer recruiting, verify compensation transparency, and eliminate applicant processing fees.

✓
Corporate Registration Verified UK Companies House registration standing active
✓
Prevailing Wage Benchmark UK National Minimum Wage & Equality Act 2010 aligned
✓
Zero-Intermediary Direct Pipeline Direct candidate ATS submission. 100% free with zero recruitment charges.
✓
Corridor Right-to-Work Match UK Work Eligibility

Transatlantic Cost of Living & Purchasing Power Benchmark

Verified Analytics
Location Base
London, England
Tier-1 UK Economic Zone
Est. Take-Home Pay
68% - 74% (After PAYE & NI)
Single tax filer baseline
Transatlantic Parity
1.0 GBP ≈ $1.28 USD Living Standard
Direct corporate benchmark
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Position Overview & Specifications

Location: Aldgate House

Business: Construction

Role Purpose:
To manage a site or section, covering the day to day activities of the site team, to achieve successful completion in line with Company and Customer expectations. To develop and maintain good working relationships with customers and other third parties in the best interests of the business.

Key Accountabilities:
Oversee all site activities and monitor progress against the programme taking remedial action where appropriate whilst protecting the Company's contractual position at all times.
Ensure the effective close out of projects and that snagging commences as specified by the customer from initial site set-up to completion.
Monitor and inspect the quality of work to ensure high standards of quality are achieved and address any issues with the sub-contractors and trades.
Identify potential issues which will affect successful project delivery and take necessary action to remedy the situation or escalate as appropriate.
Work closely with the Commercial team to monitor the financial status of the project, identify solutions to problems and improvements and organise activity to deliver these.
Safeguard the Company's financial position and report variations to the commercial team.
Manage the performance of direct reports and sub-contract labour, ensuring they are working safely and efficiently.

Skills and Experience:
Demonstrable management experience of commercial new build and refurbishment works including extensive M&E services.
Experience of leading site activities for D&B projects up to £10m and or working as part of a team on projects over £10m.
MoJ experience preferred but not essential.

Qualifications:
SMSTS
CSCS
First Aid (training can be organised)
Construction related qualification

DBS/Enhanced Level 1 security clearance will require passing for this role.

Our workplace strategy ‘Work for You’ includes flexible working practices such as hybrid working where employees can split their working time between work and home. We also recognise that some roles lend themselves to flexible options more than others, so if this is important to you please discuss this with your recruiter, during the hiring process.

ISG is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity.

Candidate Selection & Onboarding Process

1

Application & Resume Screening

Submit your tailored CV/Resume directly to the talent acquisition portal.

2

Technical & Competency Interviews

Virtual interviews with the hiring manager and multidisciplinary team.

3

Formal Offer & Benefits Negotiation

Written agreement outlining compensation, equity, retirement vesting, and relocation allowances.

4

Onboarding & Corporate Integration

Equipment provisioning, team orientation, and commencement of duties.

United Kingdom Right to Work & Skilled Worker Visa Guide

Corridor Intelligence

Employment in the United Kingdom requires legal Right to Work verified under the Home Office Points-Based Immigration System:

🇬🇧 Skilled Worker Visa (Tier 2)

Sponsoring employers must hold an active Home Office A-rated Sponsor License and assign a valid Certificate of Sponsorship (CoS). Role must meet the general minimum salary threshold (£38,700) or occupation going rate.

🏛️ Settlement (ILR) Pathway

Continuous employment under Skilled Worker status establishes eligibility for Indefinite Leave to Remain (ILR) after 5 continuous years, leading to British Citizenship.

⚖️ Official regulatory reference: UK Visas and Immigration (UKVI) & Home Office Sponsor Register.

Candidate Preparation Blueprint: Construction

Recruitment Insights

Based on transatlantic hiring benchmarks for Assistant Site Manager roles across ISG plc's corporate sector, successful applicants typically excel across three core dimensions:

1. Domain Competency

Demonstrated portfolio evidence, architecture/system design case studies, or validated professional certifications directly applicable to Construction.

2. Behavioral & Leadership

STAR method competency responses highlighting cross-functional leadership, conflict resolution, and delivering measurable enterprise ROI under tight timelines.

3. Compensation Alignment

Total compensation expectation aligned within the benchmarked £27,600 - £54,305 bracket, including retirement vesting and health parity.

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Hiring Organization
ISG plc

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Eligibility: UK Work Eligibility
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