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Senior Specialist, Security Research Engineer

L3Harris Technologies
UKRemotefull_timeVerifiedPosted 30 Apr 2026
💰 $207,500/yr($97,000/yr$207,500/yr)

About the role

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Senior Specialist, Security Software Research Engineer 
Job Code: 36915
Job Location: Remote
Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked and have every other Friday off.

Job Description:

L3Harris has an immediate opening for a Senior Security Software Research Engineer with our security group, Trenchant. Our teams are comprised of elite security researchers and former intelligence professionals with a fixation on realizing mission outcomes.  We are pursuing top-tier senior security researching talent with experience across a host of technologies and paradigms. Our business unit offers an exceptional value-proposition for individuals looking to make an impact.

Trenchant’s expertise is the by-product of the L3Harris acquisition of two highly-regarded information security businesses – Azimuth Security and Linchpin Labs. United under Trenchant, we are a key component of L3Harris’ Intelligence and Cyber International Division. We are a trusted, discrete partner furnishing security products, consultancy, training and integration services to allied security, defense, and law enforcement agencies.

Essential Functions:

  • Finding vulnerabilities in ubiquitous Internet-deployed software and/or popular devices’ software or firmware.
  • Constructing exploits for vulnerabilities discovered by yourself or your team. 
  • Guiding the teams technical outcomes to measurable deliverables for the organization.  
  • Training, management and provision of guidance to all levels of team members.  
  • Regular interaction with managers and customer-facing staff members to field queries and questions about technical work.
  • Ability to obtain and maintain security clearance.
  • Take an active role in cross-team projects when required.

Qualifications:

  • Bachelor’s Degree with a minimum 6 years prior relevant experience. Graduate Degree with a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.

Preferred Additional Skills:

  • 5+ years of Vulnerability Research, reverse engineering, and bug-hunting.
  • Experience with static and dynamic binary analysis.
  • Experience with iOS, Android, Windows, Linux, or embedded systems kernel, user land, and internals or browser internals.
  • Experience with common tools in security research (e.g. IdaPro, Ghidra, Radare, Binary Ninja, AFL, SysInternals, GDB, WinDBG, etc).
  • Experience with common programming languages (e.g. C/C++, Python, Swift, etc).
  • Experience with common architectures (e.g. x86/64, ARM, AARCH64, MIPS, PowerPC, TILEGX, etc).
  • Experience with modern security system features, exploit mitigations, and evasion techniques (e.g. defeating ASLR, DEP, Control Flow Guard, ROP, Security Product/AV Evasion, etc).
  • Experience with a wide-range of modern exploitation concepts and techniques.
  • Experience with Computer Network Operations / Computer Network Exploitation.
  • Experience with symbolic execution and emulation software (e.g. QEMU, Corellium, VHDL, etc).
  • Cryptographic experience (e.g. side-channel attacks, implementing AES, etc).
  • Experience teaching and mentoring junior vulnerability researchers.
  • Bespoke fuzzer development experience.

 

In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C, Denver, or NYC areas is $111,500 - $207,500. The salary range for this role in Colorado state, Hawaii, Illinois, Maryland, Minnesota, New York state,

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Company

L3Harris Technologies

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