iOS Reverse Engineer

Cellebrite; Tysons (VA); On-site; USD 110,000 - 160,000; Full time

Job summary

Cellebrite in Tysons, VA is seeking an experienced iOS Reverse Engineer to support and advance our hypervisor-based virtual devices. You will adapt Corellium-like components, port iOS to our platform, and develop virtual peripherals and internal tools.

You will reverse engineer iOS components, work with closed-source peripherals, and collaborate with product and hardware teams to deliver robust software. This role demands strong debugging, scripting, and collaboration skills.

Qualifications

• Bachelor's degree in Computer Engineering, Computer Science, or equivalent.
• Deep understanding of iOS architecture, system frameworks, and services.
• Strong iOS reverse engineering skills.
• Proficiency in iOS debugging and crash analysis.
• Experience with reverse engineering tools such as IDA Pro, Ghidra, or Binary Ninja.

Responsibilities

• Reverse engineer, debug, develop, and test virtual iOS devices.
• Work with closed-source peripherals and drivers.
• Design, implement, and maintain high-quality software components.
• Optimize code for reliability, performance, and energy efficiency.
• Architect and design new software components.
• Write and execute test cases based on established templates.
• Ensure latest iOS versions are ported to and supported on our hypervisor.
• Collaborate with the hardware modeling team to ensure iOS components function correctly.
• Develop and maintain automated test infrastructure and regression suites.
• Collaborate with Product Managers and Engineering teams on requirements and roadmap.
• Evaluate embedded design alternatives to develop optimal architectures.
• Work with QA to ensure test coverage and bug resolution.
• Develop scalable solutions meeting performance needs and customer requirements.
• Contribute to technical and internal engineering documentation.

Skills

iOS reverse engineering

C & Objective-C proficiency

Scripting (Python)

Git version control

Debugging techniques

Education

Bachelor's degree in Computer Engineering or Computer Science

Tools

IDA Pro

Ghidra

Binary Ninja

LLDB

GDB

Frida

Job description

About Cellebrite: Cellebrite’s (Nasdaq: CLBT) mission is to enable its global customers to protect and save lives by enhancing digital investigations and intelligence gathering to accelerate justice in communities around the world. Cellebrite’s AI-powered Digital Investigation Platform enables customers to lawfully access, collect, analyze and share digital evidence in legally sanctioned investigations while preserving data privacy. Thousands of public safety organizations, intelligence agencies and businesses rely on Cellebrite’s digital forensic and investigative solutions—available via cloud, on-premises and hybrid deployments to close cases faster and safeguard communities.

About Cellebrite: Cellebrite’s (Nasdaq: CLBT) mission is to enable its global customers to protect and save lives by enhancing digital investigations and intelligence gathering to accelerate justice in communities around the world. Cellebrite’s AI-powered Digital Investigation Platform enables customers to lawfully access, collect, analyze and share digital evidence in legally sanctioned investigations while preserving data privacy. Thousands of public safety organizations, intelligence agencies and businesses rely on Cellebrite’s digital forensic and investigative solutions—available via cloud, on-premises and hybrid deployments to close cases faster and safeguard communities.
To learn more, visit us at www.cellebrite.com,https://investors.cellebrite.com/investors and find us on social media @Cellebrite.
The iOS Reverse Engineer position is focused on supporting and improving iOS-based virtual devices running on our proprietary hypervisor. This includes adapting Corellium software for new Apple devices and iOS releases, as well as developing virtual peripherals and internal tools.

Responsibilities

• Reverse engineer, debug, develop, and test virtual iOS devices
• Work with closed-source peripherals and drivers
• Design, implement, and maintain high-quality, reliable software
• Optimize code for resource utilization, reliability, performance, and energy efficiency
• Architect and design new software components
• Write and execute test cases based on established templates and best practices
• Ensure the latest iOS versions are ported to and supported on our hypervisor
• Collaborate with the hardware modeling team to ensure iOS-related hypervisor components function correctly
• Develop and maintain automated test infrastructure and regression test suites
• Collaborate with Product Managers, Engineering teams, and other stakeholders to understand product requirements and roadmap priorities
• Evaluate and validate embedded design alternatives to develop optimal system architectures
• Work closely with the QA team to ensure comprehensive test coverage and timely resolution of firmware defects
• Develop scalable solutions that meet performance requirements and customer needs
• Contribute to technical documentation and internal engineering documentation

Requirements

• Bachelor’s degree in Computer Engineering, Computer Science, or equivalent practical experience
• Deep understanding of iOS architecture, system frameworks, and services
• Strong iOS reverse engineering skills
• Solid knowledge of the ARMv8 (AArch64) instruction set architecture
• Proficiency in C and Objective-C (experience with Swift and C++ is a plus)
• Experience with reverse engineering tools such as IDA Pro, Ghidra, or Binary Ninja
• Expertise in iOS debugging techniques, including crash report and kernel panic analysis
• Familiarity with the iOS SDK, IPC, and IOKit (experience with tweak development is a plus)
• Experience using LLDB, GDB, and Frida
• Proficiency in at least one scripting language (e.g., Shell or Python)
• Experience with Git for source code version control