Senior Technical Lead

Thales is hiring a Senior Technical Lead in Noida, India. Level rates it ; you can apply on Thales.

Level's read on this job

Little AI ●○○○ is how Level rates this role: aI is not part of the work.
The posting mentions Claude, Gemini and Claude Code among its tools and skills.
Level classes it as a senior role.
Thales has 3,300+ other open roles on Level.

AI in this role

Drive macOS and Windows platform development for a cross-platform security product using C and C++.

claudegeminiclaude-codec-plus-plusxcodeci-cd

macoswindowscryptographysecurity

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.

How we rate this

Senior Technical Lead at Thales rates 0 out of 100 for how much of the daily work is AI. That makes it Little AI (AI Level 1 of 4). The level is about AI in the job, not seniority.

Classification

Little AI. AI is not part of the work.

●●●● Builds AI80 to 100
●●●○ Works on AI60 to 79
●●○○ Uses AI40 to 59
●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Key facts

Senior Technical Lead is an open job at Thales.
Level rates this role AI Level 1 of 4: Little AI.
The role is based in Noida.
The job was posted on September 16, 2026.
Seniority: senior.
Applications are handled by Thales. Apply on Thales

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

macOSWindowsCryptographySecurityClaudeGeminiClaude CodeC Plus Plus

Questions you could be asked

Tell me about a project where macos was part of your work. What did you do?
Tell me about a project where windows was part of your work. What did you do?
Tell me about a project where cryptography was part of your work. What did you do?
Tell me about a project where security was part of your work. What did you do?
Walk me through how you've used Claude in your day-to-day work.

Adapt your resume

List these exact terms on your resume: macOS, Windows, Cryptography, Security, and Claude. An applicant tracking system matches the wording, not the idea.
Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.

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