RF Mechanical Design Engineer – Precision & High‑Reliability

Baltic Recruitment Limited; North East; On-site; GBP 55,000 - 60,000; Full time

Benefits offered by this job

Pension scheme

Life Assurance

Income Protection Insurance

SAYE share scheme

EV scheme

Cycle to Work scheme

Volunteering day

Learning and development opportunities

Job summary

Baltic Recruitment Limited in County Durham is seeking a Mechanical Design Engineer to join a state-of-the-art facility in Sedgefield, working on RF and microwave products from concept through volume production.

You will design lightweight enclosures and heat dissipation solutions, run thermal analysis, and collaborate with RF, electronics and systems engineers to optimise performance and manufacturability.

Qualifications

• Degree or equivalent qualification in Mechanical Engineering.
• Strong 2D and 3D CAD skills, preferably SolidWorks.
• Experience designing high-precision mechanical components and assemblies within technically demanding or high-reliability environments.
• Good understanding of PCB integration, RF shielding and EMI/EMC considerations.
• Strong knowledge of materials and manufacturing processes, particularly CNC machining of aluminium alloys and lightweight structures.
• Excellent understanding of GD&T and engineering drawing standards, with experience designing machined, cast, moulded, punched or sheet metal parts.
• Experience with PDM/PLM systems and engineering change processes.
• Strong problem-solving skills, attention to detail and the ability to manage multiple projects and priorities.
• Excellent communication skills and the ability to work effectively with multidisciplinary teams, suppliers and customers.
• A proactive, hands‑on and customer‑focused approach.

Responsibilities

• Design precision mechanical components and assemblies, including lightweight enclosures, heatsinks, liquid cooling solutions and waveguide-based architectures.
• Develop modular mechanical designs considering mass, volume, mounting interfaces and serviceability.
• Ensure designs meet RF, thermal, mechanical and environmental requirements, including EMI shielding, structural stiffness, tolerance control, CTE compatibility, vibration, shock and ingress protection.
• Create detailed 2D drawings and 3D CAD models using SolidWorks.
• Select suitable materials, finishes and manufacturing processes to support performance, reliability and manufacturability.
• Carry out or support thermal analysis, CFD, conjugate heat transfer and FEA for vibration, shock, fatigue and other load conditions.
• Work closely with RF, electronics and systems engineers on features affecting RF performance, including cavity geometry, plating, tolerances, materials and precision alignment.
• Develop designs for manufacture, assembly and cost reduction using CNC machining, die-casting, additive manufacturing and sheet metal processes.
• Produce manufacturing documentation, including BOMs, GD&T drawings and assembly instructions, while maintaining drawing and document control.
• Support suppliers and production teams through prototype builds, first article approval and continuous improvement.
• Contribute to design reviews, NPI and engineering change processes, including ECN/ECO activity.
• Support prototype builds, testing and environmental/reliability testing, including thermal cycling, humidity, vibration, thermal shock and drop testing.
• Work with test and process engineering to develop production hardware, jigs and fixtures.
• Provide technical support to internal teams, customers and external partners throughout the product lifecycle.

Skills

CAD design

GD&T

Project management

Multidisciplinary teamwork

Problem solving

Communication skills

Education

Bachelor's degree in Mechanical Engineering

Tools

SolidWorks

PDM/PLM

CFD/FEA

SolidWorks Flow

Job description

Baltic Recruitment Limited in County Durham is seeking a Mechanical Design Engineer to join a state-of-the-art facility in Sedgefield, working on RF and microwave products from concept through volume production.

You will design lightweight enclosures and heat dissipation solutions, run thermal analysis, and collaborate with RF, electronics and systems engineers to optimise performance and manufacturability.