Senior Administrator

About Squarcle / The Team

Squarcle is a procurement, supply chain and digital specialist which sits at the centre of transformation, with a skillset which has proven relevance in any market characterised by operational complexity. We are an independent award‑winning consultancy that is dedicated to optimising the performance of our clients’ supply chains through the expertise of operations professionals, AI, digitisation and data science. Squarcle is a people‑orientated organisation that prides itself on its people‑first culture and strives to build a community of high‑performing experts to tackle the constantly evolving challenges of the global supply chain.

The enabling capability is critical to Squarcle’s continued success. This essential and high‑performing team delivers the full suite of enterprise‑wide support services, including business development, compliance, human resources, finance, information technology, infrastructure management and executive support. By embedding strong processes, governance, and service excellence across the organisation, the enabling capability empowers Squarcle’s delivery teams to focus on what they do best: achieving outstanding outcomes for clients. At Squarcle, we pride ourselves on being an inclusive and diverse company that values enthusiastic, talented, and ambitious individuals at all stages of their careers.

Job Overview / Introduction

The Senior Administrator plays a key role within the Enabling Capability, providing high-quality administrative support across the HR and Recruitment function. The role will primarily focus on supporting the end‑to‑end recruitment process, ensuring an efficient, professional and compliant experience for candidates and hiring managers. Alongside recruitment responsibilities, the role will also provide broader administrative support across the wider HR team and enabling function as business needs require.

Working closely with the Operations Director, Head of HR, Hiring Managers and wider business stakeholders, the successful candidate will support a range of people‑related activities including recruitment coordination, onboarding, HR administration, reporting and process improvement initiatives. As a growing consultancy, flexibility and adaptability are key. This role provides an excellent opportunity for an experienced administrator looking to develop within a fast‑paced and evolving HR and recruitment environment, with scope for the role to grow over time in line with business requirements and individual capability.

Primary Roles And Responsibilities

• Recruitment Coordination & Administration
  • Coordinate end‑to‑end recruitment administration across all capabilities.
  • Manage interview scheduling, assessment days and candidate logistics.
  • Maintain accurate candidate records within recruitment and HR systems.
  • Support the preparation and issuing of recruitment and onboarding documentation.
  • Ensure recruitment activities are compliant with internal governance standards and UK employment legislation.
• Candidate Experience & Employer Brand
  • Act as a professional and responsive first point of contact for candidates.
  • Ensure timely communication throughout the recruitment lifecycle.
  • Support recruitment events, graduate assessment centres and careers engagement activities.
  • Promote a positive candidate experience aligned with Squarcle’s values and culture.
• HR & Team Administration
  • Provide wider administrative support across the HR and Recruitment team as required.
  • Support onboarding and employee lifecycle administration activities.
  • Assist with maintaining accurate HR records and systems.
  • Support the coordination of internal HR processes, meetings and documentation.
  • Assist with ad hoc people‑related projects and administrative activities.
• Hiring Manager & Business Support
  • Provide administrative and process support to Hiring Managers.
  • Support job description formatting, vacancy approvals and recruitment tracking.
  • Assist with reporting and data analysis relating to recruitment and HR activities.
  • Escalate process delays, risks or administrative issues where appropriate.

Secondary Roles And Responsibilities

• Support continuous improvement initiatives across HR and recruitment processes.
• Assist with supplier coordination (e.g. agencies, screening providers and training suppliers).
• Support reporting requirements for leadership meetings and workforce planning activities.
• Contribute to policy and document reviews where required.
• Support early careers, graduate and internship programme activities.
• Provide administrative support across the wider Enabling Capability during quieter recruitment periods or in line with business priorities.
• Undertake any other reasonable duties as required by the business.

Essential Knowledge

• Good understanding of end‑to‑end recruitment and HR administration processes.
• Working knowledge of UK employment legislation relevant to recruitment and HR administration (e.g. Right to Work, GDPR and Equality Act 2010).
• Understanding of confidential data handling and compliance requirements.
• Awareness of HR systems, recruitment processes and administrative best practice.

Skills

• Excellent organisational and coordination skills with strong attention to detail.
• Ability to manage multiple priorities and work to deadlines within a fast‑paced environment.
• Strong written and verbal communication skills with the ability to interact professionally with stakeholders at all levels.
• Strong administrative and systems capability, including Microsoft Office and HR/recruitment systems.
• Ability to work both independently and collaboratively as part of a wider team.
• Adaptable and flexible approach with willingness to support wider business activities as required.
• Ability to handle sensitive and confidential information with discretion.
• Strong problem‑solving skills and a proactive approach to continuous improvement.

Experience

• Previous experience within a recruitment, HR or administrative support role.
• Experience coordinating interviews, meetings or recruitment activities.
• Experience managing administrative processes and maintaining accurate records.
• Experience working within a busy, professional and fast‑paced environment.
• Experience communicating with internal and external stakeholders in a professional manner.

Desirable

• Experience within a consultancy or professional services environment.
• Experience supporting both HR and recruitment activities.
• Experience coordinating graduate, early careers or assessment centre recruitment.
• Experience using Applicant Tracking Systems (ATS) or HR Information Systems (HRIS).
• Experience supporting onboarding or wider employee lifecycle administration.
• Experience producing HR or recruitment reports and metrics.
• Experience working with security clearance or pre‑employment screening processes.
• Interest in developing a career within HR, Recruitment or People Operations.

What we offer

• Generous leave package: 26 days of annual leave (including your birthday!) plus UK bank holidays — increasing to 27 days after three years, and 28 after seven years. You’ll also get five extra days for your five and 10‑year anniversaries. Additional leave for members of the Reserve Forces and CFAV.
• Private medical insurance provided once you’ve completed your probation.
• Recognition and rewards: £1,000 referral bonus for successful hires, performance‑related awards, milestone and life‑event hampers to celebrate life’s big moments.
• Development & learning: Annual training week abroad, funding for qualifications that benefit both you and the business.
• Travel & wellbeing: Cycle to work scheme, discounted travel through funded railcards.
• Pension: Our pension provider is NOW Pensions, pension contributions are 3% employer and 5% employee.

Important Information

This role requires you to have lived in the UK for the last 5 years and obtain Security Check (SC) security clearance. Clearance must be obtained without any caveats that prevent you from carrying out the role you’ve been recruited for. If it isn’t obtained, or is obtained but with caveats that prevent you from carrying out the role, any conditional offer made to you will be withdrawn. Obtaining SC security clearance can be a lengthy process, and we reserve the right to withdraw any conditional offer made if the necessary security clearance isn’t obtained within 6 months. If you hold dual citizenship or nationality from another country, please make us aware of this during the application phase. We’re unable to offer visa sponsorship. We’re committed to creating a diverse environment. We embrace differences and hire based on merit, giving equal consideration to all applications, regardless of gender, background, and race.