Expert/Senior iOS Vulnerability Researcher, #40895, #40896

Eleks; Remote; CAD 80,000 - 100,000; Full time

Job summary

A cybersecurity firm is seeking an Expert/Senior iOS Vulnerability Researcher to enhance resilience against mobile threats. The ideal candidate has 5+ years of experience, strong skills in Objective-C and Swift, and eligibility for U.S. security clearance. Responsibilities include conducting vulnerability research, designing fuzzing campaigns, and reverse engineering binaries. Competitive benefits, including medical insurance and paid leave, are offered.

Benefits

14 paid days off

8 paid sick leaves

Paid federal US holidays

Medical insurance (including dental and vision)

401(k) plan

Qualifications

• 5+ years of experience in mobile vulnerability research or reverse engineering.
• Eligibility for a U.S. security clearance.
• Exceptional attention to detail.

Responsibilities

• Conduct static and dynamic vulnerability research across iOS applications.
• Design and execute fuzzing campaigns targeting iOS components.
• Reverse engineer iOS binaries.

Skills

Mobile vulnerability research

Reverse engineering

Objective-C

Swift

ARM64 assembly

iOS platform security mechanisms

Documentation of technical findings

Tools

IDA Pro

Ghidra

Hopper

Job description

Overview

ELEKS is looking for an Expert/Senior iOS Vulnerability Researcher in McLean, Virginia, USA.

Note: About client information provided as part of the project description.

About Client

The project focuses on enhancing national and commercial resilience against mobile threats in the field of cybersecurity. A team of top experts works together to solve the most difficult problems in modern technology.

Requirements

• Eligibility for a U.S. security clearance
• 5+ years of experience in mobile vulnerability research or reverse engineering
• Strong proficiency in Objective-C, Swift, and ARM64 assembly
• In-depth understanding of iOS platform security mechanisms, including sandboxing and jailbreak techniques
• Hands-on experience with browser/JavaScript fuzzing, Apple kernel internals, and memory corruption vulnerabilities
• Exceptional attention to detail with the ability to clearly document technical findings
• Ability to work professionally, reliably, and independently

Responsibilities

• Conduct static and dynamic vulnerability research across iOS applications and firmware
• Design and execute fuzzing campaigns targeting iOS components
• Reverse engineer iOS binaries using tools such as IDA Pro, Ghidra, and Hopper
• Develop proof-of-concept exploits and support the responsible disclosure process
• Collaborate with offensive security and red teams to assess real-world impact
• Document research findings and contribute to technical reports and internal security advisories
• Maintain and enhance internal mobile fuzzing frameworks
• Assist in threat emulation and defense hardening initiatives

Benefits

• 14 paid days off
• 8 paid sick leaves
• Paid federal US holidays
• Nonpaid leaves
• Medical insurance (including dental and vision)
• Close cooperation with a customer
• Challenging tasks
• Competence development
• 401(k) plan