Senior Software Engineer Bristol Engineering · Bristol, Bristol, City of

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Senior Software Engineer Vacancy Reference: 2023/CLA-192 Position: Full-time Location: Bristol, UK Salary Range: Competitive DOE At Callen-Lenz, we are expanding the limits of what is possible. We specialise in manned and unmanned aircraft operations and technology, and having recently received investment into the business we are going through a period of rapid growth and development and are looking for key roles to assist with these changes. Callen-Lenz offers innovative and customer focused UAS solutions through our 4 key business strands; technical services, products, platforms and operational services. We are looking for individuals to help drive forward our expansion, placing you at forefront of UAS development in the UK. Our Values

• Teamwork • Commitment • Initiative • Creativity • Agility • Integrity • Enjoyment

Why Work for Us Based at our Bristol office in the heart of the city and a 10 minute walk from Bristol Temple Meads train station, you will join our rapidly growing, friendly and multi-disciplined team, working on a range of diverse and interesting projects, leading the way in this exciting field and witnessing the full lifecycle of our products. The Callen-Lenz team are passionate about what we do, and we are searching for individuals to grow with us as we expand into the aerospace industry. Our benefits include:

• 25 days annual leave per year (plus bank holidays) • Buy/Sell holiday policy up to 5 days either way • Pension Scheme via Royal London • Life assurance scheme (6x basic salary) • Income protection policy (75% of basic salary) • Cycle2Work scheme • Private Health Insurance via Vitality • Enhanced Maternity and paternity • 1 Professional membership reimbursed per year • Access to an independent financial advisor year round • Training & development opportunities

About the Role The Bristol team at Callen-Lenz provide high integrity flight and mission solutions for Unmanned Aerial Systems and Urban Air Mobility ecosystems. We are looking for an experienced software engineer to strengthen the team of highly capable, ambitious engineers. Your role will involve definition of full stack architectures, development of processes, coding, setting of project milestones and providing guidance to members of the team, depending on your preferences and experience. Responsibilities

• Definition of software high-level and low-level requirements • Software implementation in an embedded environment • Configure and utilise auto-coder to generate code from Simulink model • Contribute to software architectural design • Liaising with external hardware and software suppliers • Participate in peer reviews • Writing technical documentation • Work within a cross-functional team to achieve project goals

About You Qualifications BSc, MSc, BEng or MEng in an applicable field (aerospace, automation, medical, automotive, robotics, computer science, physics, etc.) C.Eng preferable. Essential

• Experience of working to RTCA DO-178 • Experienced in embedded C programming • Understanding of using auto-code generators • Experience of hardware and register level debugging • Understanding of hardware design, as required to perform the role • Understanding of real-time software systems • Experience of implementing software safety features such as Watchdogs • Working with avionics communications protocols • Experienced in configuration management and bug-tracking tools • Experienced in writing code to MISRA-C standard • Proficient in spoken and written English

Desirable

• Experience of writing processor power-up tests • Experience of working with different processor architectures • DOORS requirements management tool • Developing software in an agile workflow • Experience working with redundant systems • Experience of hypervisors