Office Manager - Part time - 4 days a week

Pertemps; London; On-site; GBP 35,000; Part time

Job summary

A respected environmental consultancy in London is seeking a Senior Administrator/Office Manager to join their team on a part-time basis. This role calls for someone with strong admin and management experience, overseeing office functions and leading the admin team. The position provides flexibility along with a supportive work environment and a comprehensive benefits package, including private medical insurance and enhanced pension schemes.

Benefits

Enhanced pension scheme

Private medical insurance

Generous annual leave

Cycle-to-work scheme

Wellbeing support

Qualifications

• Experience supervising a small admin or office team.
• Strong organisational skills and problem-solving abilities.
• Excellent written and verbal communication skills.

Responsibilities

• Lead and support the remote admin team to meet deadlines.
• Manage a shared mailbox and delegate tasks efficiently.
• Implement process improvements and maintain internal documents.
• Coordinate travel arrangements and oversee office management duties.

Skills

Leadership skills

Time management

Attention to detail

Proficiency in Microsoft Office

Verbal communication

Job description

Senior Administrator/ Office Manager
Location:Farringdon
Salary:£35,000 pro rata

A growing and well-respected environmental consultancy is seeking an experienced and proactive Office Manager to join their London team on a part-time basis. This is a fantastic opportunity for someone with strong administrative and management experience looking for a flexible role that offers both responsibility and variety.

The Role
This position plays a key part in the smooth running of day-to-day operations and supports wider business functions. The successful candidate will lead a small admin team, manage internal processes, and act as the go-to person for all things office-related.

Key Responsibilities Include:

• Leading and supporting the remote admin team to ensure deadlines are met and workloads are balanced
• Overseeing and managing a shared mailbox, ensuring timely task delegation and completion
• Implementing process improvements and streamlining systems where possible
• Maintaining and updating internal documents and procedure guides on the company’s SharePoint Hub
• Delivering induction training and being a “champion” of administrative best practices
• Assisting technical staff with bid submissions, formatting reports, and compiling CVs
• Supporting health and safety functions, including DSEs, risk assessments, and certifications
• Taking ownership of ISO 9001 and 14001 audits and embedding processes into the team
• Coordinating travel arrangements for site visits and directors
• Playing an active role in team social and wellbeing initiatives
• Overseeing general office management duties: managing supplies, dealing with post, organising tradespeople, liaising with landlords, and ensuring smooth day-to-day office function
• Supporting ad hoc tasks from the senior leadership team

What They’re Looking For:

• Previous experience supervising a small admin or office team
• Excellent time management, organisation, and leadership skills
• A self-starter with a proactive approach to problem-solving
• Strong written and verbal communication
• High level of attention to detail
• Proficiency in Microsoft Office, particularly Word and Excel
• A positive, professional, and collaborative attitude

What’s on Offer:

• A supportive, inclusive, and forward-thinking working environment
• A comprehensive benefits package including:
  • Enhanced pension scheme
  • Private medical insurance
  • Generous and growing annual leave entitlement
  • Cycle-to-work and season ticket loan schemes
  • Life assurance, employee recognition awards, and more
  • Wellbeing and mental health support
  • Flexible working policies

This is a brilliant opportunity for an experienced office professional looking to join a purpose-driven business with a strong internal culture and a commitment to making a positive environmental impact.