Senior Principal Cyber Software Engineer iOS

Salary: $108,000 - 148,000 per year Requirements:

• We require current TS/SCI clearance.
• We are seeking candidates with at least 10 years of experience using C/C++ on Unix/Linux platforms.
• We require experience developing for iOS.
• We require experience with Objective-C.
• We require familiarity with core Unix capabilities, including named pipes/pipes, pthreads, and signal handlers.
• We require familiarity with static decompilers such as Hex-Rays and disassemblers such as Ghidra.
• We require a degree in a technical discipline.
• We may give preference to candidates with experience in iOS kernel space.
• We may give preference to candidates with experience on ARM64/ARM32 or similar architectures.
• We may give preference to candidates with experience using Core Foundation.
• We may give preference to candidates with experience with virtualization tools such as Corellium.
• We may give preference to candidates with Docker experience.
• We may give preference to candidates familiar with Atlassian tools such as Bitbucket, Bamboo, and JIRA.
• We may give preference to candidates familiar with version control systems such as git.

• We join a team of developers creating high-impact native mobile applications.
• We work on site with end users to solve real-time cyber challenges.
• We integrate reverse engineering findings into development deliverables.
• We expand our knowledge of the mobile platform to achieve development goals and customer needs.
• We develop proof-of-concept exploit software.

• Atlassian
• Bamboo
• BitBucket
• Docker
• Git
• Hardware
• Support
• JIRA
• Linux
• Mobile
• Objective-C
• Security
• Unix
• iOS

More:

We are Nightwing, working with hackajob to connect with exceptional professionals for this role. Our CODEX (Cyber Offense and Defense Experts) division brings together mission-focused experts across vulnerability research, reverse engineering, CNO/CNE development, hardware emulation, system engineering, and data analytics. We support technically advanced cyber, data operations, systems integration, and intelligence mission needs across intelligence community, defense, civil, and commercial markets. This Senior Principal Cyber Engineer role is based on site at a customer location in Sterling, Virginia. We are not relocation eligible for this position, though a signing bonus may be available for a sufficiently qualified candidate. We value collaboration, teamwork, mentorship, and training, and we offer the opportunity to work alongside talented people on meaningful work that supports national security. We are an equal opportunity/affirmative action employer.

last updated 36 week of 2026