Verified Transatlantic Corridor:
United States | United Kingdom
OP
OppaJob US & UK Career Gateway
🟢 Actively Hiring · Posted 24d ago ⏳ Closes in 67 days UK Corridor 🛡️ UK Work Eligibility 🏢 FULL_TIME

HR Administrator

Salary Range
£27,500 - £32,500
£2,292 - £2,708 / mo

Career Integrity & Compliance Audit Report

OP-VERIF-0BA84255 ✓ 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
Mayfair, 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

Size Group are a high end residential building contractor - building some of the finest homes in London and the Home Counties. We have grown considerably over the last 13 years and expanded our team to over 130 members of staff. It's a very exciting time for the business as we are very busy with winning new projects.

We are looking for a HR administrator to join the team and assist the head of HR with tasks such as the following

Your day to day;

  • Administration of all recruitment activities including advertising vacancies, supporting managers with sifting and review of candidates, notetaking at interviews and undertaking right to work and reference checks
  • Organising and running our induction process, working alongside managers to create inductions plans, ensuring online mandatory training is completed and co-ordinating the completion of probation reviews.
  • Co-ordinating the Companys staff development meetings (reviews) potential to note take and help administer.
  • Undertaking all people related admin tasks, including updating of People systems, drafting letters, note taking, completing reference requests and resignation acknowledgments.
  • Supporting, co-ordinating and actively involved in engagement initiatives across the property.
  • New Starter process - IT/Evalu-8 profile, links and welcome emails.
  • Maintaining accurate records.
  • Organising seminars
  • Team lunches/ charity events
  • helping to manage Graduate journeys and expectations.

Who are we looking for?

Ideally the post holder will have experience within admistration or HR and will be a very strong administrator with a warm and friendly personality.

A confident communicator (verbal and written) with the ability to influence others to achieve results.

Excellent computer and systems skills, ideally having used some forms of software for marketing purposes.

A high degree of attention to detail is essential. It’s vital to have excellent organisation skills and the flexibility to work in a fast-paced environment.

A degree in a relevant field would be preferred but not essential.

Its a fun team - great place to work and very rewarding.

Job Types: Full-time, Permanent

Salary: £27,500.00-£32,500.00 per year

Benefits:

  • Company pension
  • Life insurance

Schedule:

  • Monday to Friday

Supplemental pay types:

  • Performance bonus

Ability to commute/relocate:

  • Mayfair: reliably commute or plan to relocate before starting work (required)

Experience:

  • Human resources: 1 year (preferred)

Work Location: In person

Reference ID: 001 - HR Administrator

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: General

Recruitment Insights

Based on transatlantic hiring benchmarks for HR Administrator roles across Size Group Construction'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 General.

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 £27,500 - £32,500 bracket, including retirement vesting and health parity.

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Hiring Organization
Size Group Construction

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Location: Mayfair, England
Eligibility: UK Work Eligibility
Schedule: FULL_TIME
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