About Us OSL is an industry-leading software and systems integration company at the forefront of Counter–Unmanned Aerial Systems (CUAS/Counter Drone) innovation and development. We provide bespoke security surveillance solutions for both civilian and military clients. Due to rapid growth in the CUAS market and the corresponding development of the Company, we are now looking to recruit a dynamic Field Services Engineer / Simulator Technician reporting to our Field Services Manager. Purpose of the role: This hybrid role provides Field Services Engineer (FSE) expertise to CUAS operations, including installation, maintenance, testing, and evaluation of radars, radio frequency (RF) detectors, and various camera systems. The role ensures ongoing operation of the Training and Reference Facility (TRF). The secondary element is Simulator Technician cover at RAF Odiham, delivering Level 1 & 2 planned and reactive maintenance on the Mk6 Chinook simulator. The postholder must apply strong problem-solving, technical, and safety skills across both functions. Key job requirements and responsibilities: First line level of trouble shooting and fault resolution with the ability to work autonomously as required. Responsible for fault finding, maintenance repair and installation and commissioning of security and/or electromechanical systems. Responsible for carrying out software, hardware, basic network configuration. To assess equipment performance in both test and live environments. To complete technical reports and review technical data and drawings. Excellent communication and administration skills, both written and verbal. To comply with H&S guidelines at Company and customer site premises. Able and willing to deploy overseas for extended periods. Support to asset management, tracking equipment, licences, storage and assisting with logistics. Fly and maintain a drone fleet both on site and at customer sites. Working in accordance with H&S guidelines at company and customer sites, and complying with statutory UK HSE requirements. Qualifications / skills and experience: Understanding of radar and RF theory and characteristics. Working knowledge and experience of electrical and mechanical systems. Understanding of network and IP configuration. Understanding of installing, configuring, calibrating, testing and maintaining hardware and sensors. The ability to work under pressure and comply with strict timelines. Ability to work in accordance with HSE and SIA regulations. Experience or interest in operating UAS (drones). Current knowledge and understanding of the threat landscape, emerging security threats and vulnerabilities. IT skills with proficiency in MS Teams and Office. Security Clearance (Desirable). Full UK driving licence. Strong communication skills. Shift Times Flexibility across hybrid working is essential. The role requires working patterns as follows: FSE, Mon–Fri 09:00–18:00 Simulator Technician – Mon–Fri 06:00–15:00 or 14:00–23:00 Diversity & inclusions We are committed to creating a diverse, inclusive, and equitable workplace where everyone is respected, valued, and empowered to thrive. We believe that different perspectives and experiences enrich our organisation, and we welcome applications from all qualified individuals. We are proud to be an equal opportunities employer. We do not discriminate based on age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, or sexual orientation, in accordance with the Equality Act 2010. We are also committed to supporting neurodiverse individuals and others who may benefit from tailored approaches to recruitment and workplace adjustments. We are dedicated to ensuring fair and accessible recruitment processes. If you require any reasonable adjustments during the recruitment process or in the workplace, please let us know, and we will do our best to accommodate your needs. This job description is not exhaustive and will be subject to periodic review. It may be amended to meet the changing needs of the business, following consultation where appropriate.