Office Manager

Concept Environmental Solutions; Gloucester; On-site; GBP 30,000 - 45,000; Full time

Benefits offered by this job

Annual leave increasing to 25 days

NHS 'Top-Up' Health Plan

Employee Assistance Programme

Job security

Supportive management

Job summary

A growing compliance and water hygiene specialist seeks an Office Manager to lead administration and support operational transformation in Gloucester. Responsibilities include managing administrative workflows, overseeing HR matters, and implementing paperless systems. Ideal candidates are confident leaders with strong organization, communication skills, and a knack for problem-solving. A commitment to continuous improvement and delivering excellent service is essential. Competitive benefits and career progression opportunities are offered.

Qualifications

• Proven experience managing and developing teams.
• Excellent record-keeping skills and workload prioritization.
• Strong communication abilities and problem-solving skills.
• Experience with systems such as CRM platforms.

Responsibilities

• Lead and mentor the office administration team.
• Manage administrative workflows across divisions.
• Oversee the implementation of paperless systems.
• Conduct HR activities for office staff.

Skills

Leadership

Team management

Problem-solving

Digital skills

Organizational skills

Tools

Microsoft Office

CRM platforms

Job description

Description

Office Manager

Concept Environmental Solutions

Who we are

Concept Environmental Solutions Ltd is a growing compliance and water hygiene specialist delivering professional Legionella control services. Concept pride themselves on technical excellence, client relationships, and delivering compliant, high-quality reporting that keeps our clients safe and protected.

Department: Business Support

Location: Tortworth

Part of the Celnor Group

Celnor Group is a UK-based environmental services group operating across the Testing, Inspection, Certification and Compliance (TICC) landscape. With a growing portfolio of specialist businesses, Celnor provides essential services that protect people, property and the environment.

While each business retains its own identity, culture and technical specialism, all are supported by a central group function that invests in people, systems and long‑term sustainable growth.

Job details

We are seeking a confident and proactive Office Manager to take ownership of our administration function and support the business through a period of operational transformation. The role will play a key part in implementing and managing our paperless systems, helping transition the team to modern, digitally driven and customer focused ways of working. Initially focused on embedding new processes and supporting the administration team through change, the position will evolve into a leadership role responsible for team performance, development, and continuous improvement while ensuring the delivery of exceptional service across the business.

What you will do

Administration Leadership & Team Development

• Lead, supervise and mentor the office administration team.
• Conduct regular performance reviews, set clear objectives and manage under‑performance where necessary.
• Support the team through organisational change and develop a strong customer‑service culture.
• Create an environment of accountability, collaboration and continuous improvement.

Contract Administration & Cross‑Divisional Coordination

• Provide senior oversight of administrative workflows across the Contracts, Projects, Air and Fire divisions.
• Monitor workloads across divisions and allocate administrative resources to meet operational demands.
• Work closely with divisional leads to anticipate project timelines and capacity requirements.
• Maintain quality assurance systems across the business, including ISO9001 processes.
• Oversee the administration and quality checks of documentation including: Legionella risk assessments, worksheets and certificates, and client training records.
• Manage Out of Specification reporting to clients in a timely and professional manner.
• Maintain strong governance and housekeeping across all company systems.

Paperless Transformation & Process Improvement

• Lead the implementation and rollout of paperless systems.
• Train and support staff in adopting digital processes.
• Monitor compliance and ensure consistent use of new systems.
• Identify inefficiencies in existing processes and implement improvements.
• Constructively challenge outdated practices while maintaining effective existing procedures.

General Office Administration

• Manage subcontractor evaluation records.
• Work with the HSQE Advisor to support compliance activities.
• Oversee office consumables and day‑to‑day office operations.
• Ensure administrative systems remain compliant, efficient and aligned with business needs.

Human Resources (Office Staff)

• Manage HR matters relating to office based staff including performance management and development.
• Support recruitment activities across the business.
• Monitor office health, safety and environmental compliance.
• Maintain accurate HR records and support general HR administration.

Who you are

• A confident leader with proven experience managing and developing teams, able to support performance, coach others and lead through change.
• Highly organised and detail focused, with excellent record‑keeping skills and the ability to prioritise workloads effectively.
• A strong communicator and problem solver who can challenge processes constructively and identify opportunities for improvement.
• Digitally capable, with strong IT skills (including Microsoft Office) and experience working with systems such as CRM platforms (e.g. Salesforce).
• Process and quality focused, with an understanding of administration workflows, HR practices, and quality systems (ISO knowledge desirable).
• Professional, proactive and resilient, committed to continuous improvement, high standards, and delivering excellent service.

Join us

You’ll be joining a business where your contribution matters and where professionalism, integrity and teamwork are genuinely valued. As part of the wider Celnor Group, you’ll benefit from group‑wide investment, shared expertise and opportunities to develop your career as the organisation continues to grow.

Benefits

• Annual leave increasing yearly up to 25 days with long service.
• NHS ‘Top‑Up’ Health Plan for added peace of mind.
• Employee Assistance Programme (EAP) for mental, physical, and financial wellbeing.
• Job security within a growing business.
• Supportive management and real career progression.

Important information

Celnor Group and its businesses manage recruitment directly. We do not require agency support for this role and will only engage with recruitment partners from our preferred supplier list where necessary.

We may use technology, including AI‑enabled tools, to support parts of the recruitment process. AI is not used for candidate screening, scoring or hiring decisions. All hiring decisions are made by people, for people. Our recruitment systems are ISO 42001 accredited, reflecting our commitment to ethical, transparent and responsible use of technology.