Senior Engineer - Software (DO)

Location: Bangalore, India

Thales is a global technology leader trusted by governments, institutions, and enterprises to tackle their most demanding challenges. From quantum applications and artificial intelligence to cybersecurity and 6G innovation, our solutions empower critical decisions rooted in human intelligence. Operating at the forefront of aerospace and space, cybersecurity and digital identity, we’re driven by a mission to build a future we can all trust.

Present in India since 1953, Thales is headquartered in Noida and has other operational offices and sites spread across Delhi, Gurugram, Bengaluru and Mumbai, among others. Over 2200 employees are working with Thales and its joint ventures in India. Since the beginning, Thales has been playing an essential role in India’s growth story by sharing its technologies and expertise in Defence, Aerospace and Cyber & Digital sectors. Thales has two engineering competence centres in India - one in Noida focused on Cyber & Digital business, while the one in Bengaluru focuses on hardware, software and systems engineering capabilities for both the civil and defence sectors, serving global needs. The Group has also established an MRO (Maintenance, Repair & Overhaul) facility in Gurugram to provide comprehensive avionics maintenance and repair services to Indian airlines and support the growth of the local aviation industry.

Role Overview:

We are seeking a DO-178C Software Engineer responsible for developing and verifying software lifecycle artifacts for avionics software systems. The engineer will work across multiple lifecycle stages defined in DO-178C, including requirements, design, coding, testing, and defect resolution. The role requires strong expertise in embedded software development, requirements-based verification, and lifecycle compliance.

Job Responsibilities

• Develop DO-178C DAL-B compliant avionics software in accordance with DO-178C objectives.
• Develop High-Level Requirements (HLR) and Low-level Requirements (LLR) ensuring clarity, completeness, and testability from upper-level artifacts.
• Develop and maintain embedded software code based on LLR and software design.
• Develop High-Level Test Cases (HLT) to verify compliance of software behavior with HLR.
• Develop Low-Level Test Cases (LLT) to verify detailed functional behavior defined in LLR.
• Review HLR, HLT, LLR, LLT, and source code to ensure correctness, completeness, and DO-178C compliance.
• Ensure bi-directional traceability between HLR, LLR, source code, and test cases.
• Collaborate with cross-functional teams to support software integration and certification activities.

Mandatory Skills

• Solid understanding of the software development life cycle defined in DO-178C, particularly for DAL B/A avionics software.

• Proven experience in developing and reviewing software lifecycle artifacts, including HLR, LLR, HLT, LLT, and source code.
• Strong hands-on experience in embedded software development using C
• Good knowledge of real-time embedded systems.
• Ability to analyze defects, perform debugging, and implement bug fixes.
• Good Knowledge of configuration management tools such as git
• Good experience with software testing tools such as IBM RTRT
• Good experience with ARINC653 based IMA System
• Good experience with avionics interfaces such as ARINC429
• Good organizational abilities. Good interpersonal skills, writing & verbal skills

Desired Skills
 

• Experience on ARINC664 protocol
• Awareness of related aerospace standards such as ARP4754A and ARP4761.
• Experience with system-level testing.
• Familiarity with tool qualification standard such as DO-330.

At Thales, we’re committed to fostering a workplace where respect, trust, collaboration, and passion drive everything we do. Here, you’ll feel empowered to bring your best self, thrive in a supportive culture, and love the work you do. Join us, and be part of a team reimagining technology to create solutions that truly make a difference – for a safer, greener, and more inclusive world.