Senior Technical Lead

Location: Noida, 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. ABOUT THE ROLE Looking 8+ Years of experience Technical Lead to drive macOS and Windows platform of a cross-platform security product written in C/C++, supporting hardware token and smart card authentication. With strong knowledge of Windows and macOS architecture end-to-end — from low-level USB device communication through packaging, signing, and CI/CD delivery. A solid understanding of cryptographic algorithms — including classical schemes (RSA, ECC, AES) and emerging Post-Quantum Cryptography (PQC) standards such as ML-KEM and ML-DSA. 📋 KEY RESPONSIBILITIES • Framework & Platform Ownership: Own Windows and macOS-specific layers including native framework bundles, system daemons, menu-bar applications, and CryptoTokenKit (CTK) extensions. • USB & IPC: Lead USB device enumeration and management via IOKit, IPC via UNIX domain sockets, and daemon lifecycle integration. • Build, Packaging & Signing: Maintain and evolve the Xcode build system, packaging pipeline (.pkg, .dmg), and code signing/notarization workflows using Apple Developer ID certificates. • CI/CD Pipeline: Own the Windows and macOS CI/CD pipeline, build, package, sanity test, and artifact deployment stages. • Technical Leadership: Mentor engineers, conduct architectural reviews, and collaborate with Windows and Linux platform leads for cross-platform consistency. ✅ REQUIRED SKILLS C/C++ on macOS & Windows 8+ years of system-level development on macOS IOKit & Core Foundation USB enumeration, device matching, CF types CryptoTokenKit (CTK) Token extension development — macOS Ventura/Sonoma+ Security.framework & POSIX IPC Cryptographic APIs, UNIX domain sockets, launchd Code Signing & Notarization Hardened Runtime, entitlements, codesign, productsign, spctl Xcode & Build Tooling xcodebuild, Makefiles, packagesbuild, hdiutil PKCS#11 / Smart Card Standards PIV, ISO 7816, cryptographic token integration CI/CD Pipelines GitLab CI or equivalent for macOS automation Cryptography & PQC RSA, ECC, AES, ECDH; NIST PQC standards: ML-KEM, ML-DSA Thought leadership and communication Drive innovation and creative solution, strong and effective communication skills 🤖 AI-AUGMENTED DEVELOPMENT AI-augmented engineering is part of our development culture. Expertise in using AI coding agents and LLM tools like Claude Code, Gemini, Cline daily to accelerate development, code review, documentation, and root-cause analysis & can craft effective prompts for code review, security analysis, documentation generation, and commit message / changelog automation. ⭐ NICE TO HAVE • Apple Silicon & Universal Binaries • Static Analysis (e.g. Coverity) • Cross-platform Middleware (Windows / Linux) • Objective-C / Swift interop with C/C++ • GCP / Cloud Storage artifact management • OpenSSL on macOS 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.