Principal Antenna Engineer

Steatite Limited; Leominster; On-site; GBP 60,000 - 85,000; Full time

Job summary

Steatite Limited is seeking an accomplished RF Engineer to design and develop advanced antenna systems in Herefordshire. You will lead customer interactions and support the Chief RF Engineer to deliver exemplary project outcomes while mentoring junior engineers.

The role involves on-site work with occasional remote exceptions, UK and international travel, and close collaboration with mechanical, quality, manufacturing and project teams. SC clearance is a prerequisite.

Qualifications

• Degree-qualified in RF/electronic engineering or closely related discipline.
• Significant industrial RF/antenna engineering experience from concept through to test.
• Strong understanding of electromagnetic theory, antennas, transmission lines, impedance matching, and RF measurement techniques.
• Experience using CST Microwave Studio or equivalent EM tools for antenna modelling, optimisation, and analysis.
• Hands-on RF test activities including VNAs and chamber-based measurements.
• Proven ability to produce clear technical documentation, reports and design records for reviews and lifecycle governance.
• Experience communicating with customers, suppliers and internal stakeholders.

Responsibilities

• Design and Development
• Leading Customer Queries
• Deputising for the Chief RF Engineer
• Test and Verification
• Product Assurance and Compliance
• Mentoring and Team Development
• Cross-Functional Collaboration

Skills

RF Engineering

Antenna Design

VNA Testing

EM Simulation CST

Technical Documentation

Cross-functional Collaboration

Mentoring

Education

Degree in RF/Electronic Engineering

Tools

CST Microwave Studio

VNAs

Microsoft Dynamics 365 Project Operations

Job description

Looking for more than just your next role? Join us in the beautiful rolling hills of Herefordshire, where you can combine an exciting career with an exceptional quality of life. We welcome applications from across the UK, and relocation support is available for eligible candidates, subject to individual circumstances and business requirements.

The Role

Predominantly based on‑site with occasional remote working by exception. UK and International travel is expected with this role.

You will design and develop cutting edge antenna designs, lead customer queries and support the Chief RF Engineer in delivering project and product excellence, innovation and process management alongside the mentoring of junior engineers. You will use CST Microwave Studio and associated EM tools alongside Microsoft Dynamics 365 (Project Operations/Planner) to support CRM and ERP activity, scheduling, governance and dashboard reporting.

Please note this role is subject to successful completion of SC clearance prior to commencement.

Key Responsibilities

• Design and Development
• Leading Customer Queries
• Deputising for the Chief RF Engineer
• Test and Verification
• Product Assurance and Compliance
• Mentoring and Team Development
• Cross-Functional Collaboration

Key Skills & Experience

• Degree-qualified in RF, Microwave, Electronic Engineering, Physics, or a closely related discipline
• Significant industrial experience in RF and antenna engineering, with a strong track record of delivering products or technical solutions from concept through to test and verification
• Strong understanding of electromagnetic theory, antenna principles, transmission lines, impedance matching, and RF measurement techniques
• Practical experience using CST Microwave Studio or equivalent EM simulation tools for antenna modelling, optimisation, and analysis
• Hands-on experience of antenna and RF test and verification activities, including use of VNAs and antenna or chamber-based measurements
• Experience of producing clear technical documentation, reports, and design records to support reviews, verification, and product lifecycle governance
• Proven ability to respond to complex technical queries and communicate clearly with customers, suppliers, and internal stakeholders
• Experience working across cross-functional engineering teams, including mechanical, quality, manufacturing, commercial, and project functions
• Strong problem-solving skills, sound engineering judgement, and the ability to work with a high degree of autonomy
• Experience supporting or mentoring other engineers and providing technical guidance within a team environment

Why Join Us

• Ownership of genuinely interesting, technically demanding programmes
• A chance to shape how exceptional delivery is achieved, not just executing tasks
• Close partnership with senior leadership
• Working within a business with ambition, credibility and a strong team culture

We offer a competitive salary, comprehensive benefits package and the opportunity to build a rewarding career within an innovative organisation that values technical excellence, collaboration and continuous development.