Office & Operational Administrator - Part-time (15 hours per week, distributed over 5 days)

Resillion; West of England; On-site; GBP 9,400 - 11,000; Part time

Job summary

Resillion is seeking an Office & Operations Administrator to support our Bristol office. This part-time role (15 hours per week, 5 days) focuses on reception, deliveries, supplier liaison, diary management, and general admin tasks in a fast-paced professional services environment.

You will coordinate meetings, assist with HR/finance/IT as needed, ensure HS&E compliance, and maintain office supplies and communications. The role is office-based in Bristol city centre.

Qualifications

• Proven experience in an office-based administrative or operations support role.
• Experience in professional services, technology, and/or PE-backed environments is a plus.
• Strong organisational and detail-oriented skills with the ability to multitask with discretion.
• Excellent written and verbal communication.
• Familiarity with office health & safety policies; first aider/ fire marshal experience beneficial.
• Proficient with Microsoft Office and ERP systems.

Responsibilities

• Oversee day-to-day administrative running of the Bristol office and coordinate non-customer related services (reception, deliveries, parking, waste/disposal).
• Provide general admin support: scheduling meetings, managing calendars, booking travel, preparing documents/reports.
• Act as first point of contact for visitors and handle calls/professional correspondence.
• Sort and distribute mail; manage parcel deliveries and receipts via Royal Mail, DHL, etc.
• Support finance, HR, and IT with local office needs, including data entry, onboarding coordination, and supplier liaison.
• Coordinate office supplies and liaise with building management on maintenance.
• Assist in planning internal meetings, events, and visits from other offices.
• Ensure compliance with internal processes and assist in implementing office policies.

Skills

Organisational skills

Communication

Attention to detail

Discretion & confidentiality

Microsoft Office

ERP systems

Independent working

Education

No formal qualifications required

Tools

Microsoft Office

ERP systems

Job description

About Resillion

Resillion is a global provider of digital assurance, cybersecurity, and testing services. We help organisations strengthen their security posture, protect critical assets, and deliver high-quality digital solutions. Our teams operate across multiple specialist disciplines, including Digital Forensics, Incident Response, SOC Operations, Quality & Compliance, and Technical Consultancy. We are committed to excellence, continuous improvement, and delivering trusted, customer-focused services that meet the highest professional and accreditation standards.

Brief Description

Job Title: Office & Operational Administrator

Location: UK, Bristol City Centre (100% Office Based)

Department: C&I

Employment Type: Part-time (15 hours per week, distributed over 5 days per week)

Salary: £26000 FTE (pro rata - £10,400)

Position Overview: We are seeking a proactive and highly organised Office Administrator to provide essential administrative support to our Bristol office. This is a varied and hands-on role that is ideal for someone who thrives in a fast-paced, professional environment and enjoys being at the heart of office operations. The role will also be responsible for coordinating deliveries to the office, meeting and greeting clients and visitors, answering the phone, dealing with general queries, liaising with suppliers, ensuring adequate office supplies, compliance with H&S policy and procedures, liaising with IT, and much more.

Key Responsibilities

• Oversee the day-to-day administrative running of the Bristol office, ensuring a well-organised and efficient environment. Directing and planning all essential, non-customer related services, such as reception, deliveries, parking, waste disposal and recycling.
• Provide general administrative support, including scheduling meetings, managing calendars, booking travel, and preparing ad hoc documents and reports.
• Act as the first point of contact for visitors and handle incoming calls and correspondence professionally.
• Collect and distribute incoming regular mail, in addition to organising delivery and receipt of shipments/parcels via Royal Mail, DHL, etc.
• Support finance, HR, and IT teams with local office needs, including data entry, filing, onboarding coordination, and supplier liaison.
• Coordinate office supplies, maintenance requests, and liaise with building management as required.
• Assist in planning and organising internal meetings, events, and visits from other offices or stakeholders.
• Ensure compliance with internal processes and support the implementation of office policies and procedures.

Qualifications And Skills

• Education: No specific qualification required.
• Role Experience: Proven experience in a similar office-based administrative or operations support role.
• Industry Experience: Experience working in a professional services, technology, and/or private equity-backed environment is an advantage.
• Organisational Skills: Strong organisational skills with excellent attention to detail, with the ability to work independently and handle multiple tasks with discretion and confidentiality.
• Communication: Confident communicator with a professional demeanour, both in person and in writing.
• Office Compliance: Awareness of common workplace office health & safety policies/procedures. Experience as a first aider, mental health first aider, fire marshal, etc. would be beneficial.
• Software Skills: Competent in Microsoft Office suite (Word, Excel, Outlook, Teams) with experience of working with ERP systems.

Key Competencies

• Strong stakeholder management and relationship-building skills
• Well organised with a detail-oriented approach
• Positive, proactive and self-motivated