We are a successful, well-established consultancy handling high quality work. We have grown steadily over the last 20 years and are committed to continued growth and success – if you’d like to be a part of it please get in touch.

Kick start your career with Cass Allen. You will be mentored by one of our senior team, who will nurture your development and ensure you quickly learn the necessary skills.

From day one you will be working on a wide range of live developments, carrying out technical assessments and assisting clients.

As you become more confident you will take the lead and run interesting and challenging projects.

We pride ourselves on the growth and progression of our team. Join a team where your skills are acknowledged and your growth is accelerated.

Employee Insights

Sarah Green - Acoustics Consultant

"It's rewarding to see my influence on the design of large developments across the UK. I really enjoy investigating complex issues on site and working closely with clients to develop a solution."

Ronny Ospina Orozco - Senior Acoustics Consultant

"Since joining the team, I have always felt encouraged to develop my career as a consultant and to aim high with my aspirations. The company has offered me support and flexibility to help me achieve my goals."

James Hart - Principal Consultant

"Having been with Cass Allen for over 15 years, I can say with certainty that the team is the key highlight. Approachability and knowledge are paramount in our roles and I can't imagine a more supportive environment to develop a career."

Current Vacancies

If you are interested in any of our career opportunities below please send your CV to

We are happy to answer any questions you may have on these opportunities prior to applying, so please don’t hesitate to get in touch.

We are open to exploring potential opportunities for exceptional candidates, even when we’re not actively recruiting so do contact us.

Graduate Acoustics Consultant

Due to high demand for our services, we require practically minded and intelligent Graduate Acoustics Consultants to join our busy office in Bedford.

Candidates need to have an Acoustics degree or closely engineering related subject (including Mathematics, Physics or Music Technology), with strong A Levels across maths and science disciplines. Applicants need to have a personable and friendly manner, whilst also possessing strong communication skills to represent the company to prospective clients and industry contacts. A driver’s licence and own car will be required, however applications are accepted from candidates who are due to obtain their licence shortly.

Upon joining the team, you will gain a fast insight into the world of acoustic consultancy, having responsibilities in site and desk duties such as noise measurement surveys, sound insulation testing, 3D noise modelling and report preparation. You will have the chance to work across a wide range of developments including rural, urban or industrial environments across the UK!

As you progress, you will be able to manage projects from start to finish, working alongside some of the UK’s most respected architects, developers, engineers and construction teams. We are involved with the acoustic design of some of the UK’s most high profile construction projects, including Europe’s tallest residential building!

In addition to one-to-one mentoring and training within an experienced consultancy team, you will receive a competitive salary in line with industry standards, benefits package and group based bonus scheme.

Graduate Air Quality Consultant

Our Air Quality Team is growing, and we want you to join us! You will be a dynamic Air Quality Consultant working on a wide range of exciting projects, while you develop your technical skills and career in the growing field of air quality consultancy. The ideal candidate will have a science or environment-based degree (e.g. Physical Geography, Environmental Science, Chemistry, Maths). All training will be provided in-house.

As a consultancy we pride ourselves on backing up our excellent technical knowledge with practical experience and a pragmatic outlook on solving real world air quality and odour problems. We work closely as a team and look to learn from our colleagues at every opportunity, whilst involving our colleagues in all aspects of consultancy.

In addition to one-to-one mentoring and training within an experienced consultancy team, you will receive a competitive salary in line with industry standards, benefits package and group based bonus scheme.

Construction Monitoring Technician

As a Construction Monitoring Technician at Cass Allen you will play a key role in ensuring the successful delivery of construction monitoring projects. Your primary responsibility will be to install and maintain dust, noise and vibration monitoring equipment on active construction sites and assist the construction monitoring team in the delivery of technical reports. You will collaborate closely with project managers, site managers and contractors to provide a high quality service that meets our clients’ specific needs.

There will also be opportunity for the right candidate to progress into a Consultancy role in one or more of our environmental engineering disciplines.

Key Responsibilities:

  • Installing and maintaining construction monitoring equipment throughout the UK
  • Checking the status of monitoring devices and reporting any issues to site staff and Cass Allen construction monitoring team
  • Troubleshooting equipment issues on site
  • Maintaining and managing the company storeroom including both the construction monitoring and other consultancy technical equipment. This will include organising and sending equipment for laboratory calibration.
  • Downloading and analysing construction monitoring data, preparing weekly or monthly reports for project specific requirements, with support and guidance from senior staff within the construction monitoring team
  • Providing support to the construction monitoring team and wider Cass Allen team as needed


  • A working knowledge of practical electronics will be helpful (e.g. maintenance of signal cables or battery connections), as well as being proficient in using hand-held tools (power drills, impact driver etc)
  • Excellent communication and interpersonal skills
  • Ability to work independently and as part of a team
  • Strong analytical skills and ability to interpret data
  • Ability to handle multiple projects simultaneously


  • Competitive salary and performance-based bonuses
  • Private medical insurance and salary sacrifice benefits
  • Opportunities for professional development and advancement
  • Positive and collaborative work environment

Send us a message or call on 01234 834 862

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