Proposals Engineer / Tendering Engineer / Applications Engineer
Roots Systems are World Leaders in the design, manufacture and production of skid mounted rotary-lobe compressors, vacuum booster and process blower packages for multiples process industries ranging from oil and gas, through to emerging green technologies such as CO2 capture and H2.
We are proud to be a family-owned business with a strong focus on team spirit, and where we strive to create an environment where our employees feel a sense of inclusion, support and belonging which can be traced back in 1930s.
If you are customer focussed, solutions orientated and strive for excellence then you could be just what our business is looking for.
Currently based in Stonehouse, the Company has grown over the past 10 years and. will be moving to a larger and improved production facility in Gloucester in November 2026.
For this role, candidates will need to have a degree in a physical science, engineering or mathematics.
Experience of working in the engineering sector and an understanding of manufacturing processes is essential along with experience of reading P&IDs and other engineering documents.
The main responsibilities of the role are:
- Reading customers’ enquiries, including data sheets, project specifications, piping and instrumentation diagrams (P&IDs), and commercial contents such as terms and conditions.
- Liaising with the Blower Engineering Team to discuss blower design and to estimate material costs, labour and lead time.
- Liaising with the Design Team to produce GA drawings and P&IDs.
- Liaising with the Project Engineering Team and the Production Team to discuss available resources and to estimate labour and lead time.
- Liaising with the Quality Team to keep procedures (enquiry; sales order), templates (commercial proposal, technical description, costing) and other quality documents related to sales up to date.
- Selecting appropriate materials of construction, flow control, seals & sealing systems, lube oil systems, cooling, pulsation dampeners, acoustic attenuation and instrumentation for new blowers and blower packages and advising customers on these according to their needs.
- Performing calculations to size equipment such as blowers, motors, auxiliary systems (e.g. ventilation and seal support), and components (e.g. bearings and electric immersion heaters).
- Performing calculations of gas densities, pressure losses, coolant flows, powers, torques, shaft stresses, lateral vibrations, sound levels.
- Writing requests for quotation (RFQs) for sub-vendors.
- Estimating the material costs and labour needed to manufacture blower packages and calculating the selling price.
- Estimating weights, dimensions, noise levels and blower’s slippage for new blowers and blower packages.
- Writing proposal documents and maintaining accurate records of opportunities and bids.
- Writing technical deviations and clarifications in response to customer’s project specifications.
- Writing commercial deviations and clarifications in response to customer’s terms and conditions.
- Support and participate in customer visits, meetings, trade shows, exhibitions, and other marketing activities as required.
Commercial awareness and exceptional communication skills are essential for this role. You will have the ability to quickly establish and where appropriate further develop effective relationships with key internal and external stakeholders.
Our ideal candidate will be a self-starter who focuses on generating opportunities and outcomes. A positive outlook with the ability to inspire confidence and provide vision is essential in this role.
BENEFITS OF WORKING FOR THE ROTOLOK GROUP
- Competitive salary (dependent on qualifications and experience)
- Annual company pay review and individual merit award review
- Basic hours - Monday to Thursday – 08.30 to 17.00 Friday - 08.30 to 13.00
- · Generous Bonus Scheme
- Contributory Pension Scheme
- 33 days annual leave (includes 8 days statutory bank holidays) plus our ‘Flexible Holiday Trading Scheme’
- Life Assurance Scheme (after qualifying period)
- Income Protection Plan (after qualifying period)
- Employee Support and Perks Package
- Free car parking
- Investment in our employees through learning and development
- Flexible and family friendly policies
Candidates will need to live within commuting distance of Stonehouse/Gloucester. Unfortunately, we are unable to sponsor a Visa Application for this vacancy.
We encourage early application as we reserve the right to close this vacancy early if suitable candidates are found. If you would like more information, please do not hesitate to contact David White, Sales Manager at Roots Systems on 01453 826581.
CLOSING DATE: 28 September 2026
Benefits:
- Company pension
- Health & wellbeing programme
- On-site parking
Ability to commute/relocate:
- Stonehouse GL10 2BJ: reliably commute or plan to relocate before starting work (required)
Application question(s):
*
Please answer the 3 questions below in an attachment to your CV to be considered for this role.
If a car engine delivers an output of 240 kW whilst the drive shaft rotates at 2,400 RPM, what torque does the drive shaft output?
Steele needs to contain at least 10.5% chromium to make it stainless. How does the chromium make it stainless?
At a particular location, the sound pressure level from one machine is 100 dBA and the sound pressure level from a second machine is also 100 dBA, what is the combined sound pressure level from the two machines at that location?
Education:
Work authorisation:
- United Kingdom (required)
Work Location: In person