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Senior Specialist, Security Research Engineer

Huntsville, Alabama
Full Time On-site

Summary

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, and Vermont is $97,000 - $180,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.



#LI-FS1

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

About L3 Harris

L3 Harris

L3 Harris is one of the largest defense and aerospace companies in the United States, delivering advanced technologies that support missions across air, land, sea, space, and cyber domains. The company develops communications systems, space payloads, intelligence platforms, electronic warfare capabilities, missile defense technologies, and mission-critical sensors used by the U.S. military, intelligence community, and allied nations around the world.

For job seekers, L3Harris offers opportunities across engineering, software development, cybersecurity, space systems, manufacturing, intelligence, program management, and mission operations. The company is especially attractive to veterans, cleared professionals, and engineers who want to work on advanced technologies that directly support national security. With programs spanning tactical communications, ISR platforms, satellite systems, and defense electronics, employees have the opportunity to contribute to some of the military’s most important capabilities.

Unlike companies focused on a single mission area, L3Harris operates across a diverse portfolio of defense technologies, providing employees exposure to a broad range of programs and technical disciplines. Teams work on everything from secure communications and autonomous systems to space-based sensors and electronic warfare platforms, creating opportunities for both specialization and long-term career growth within the organization.

As governments continue investing in modernization, space capabilities, resilient communications, and advanced sensing technologies, L3Harris remains one of the most important employers in the defense industry. For professionals seeking a mission-driven career with strong growth opportunities, technical challenges, and direct impact on global security, L3Harris continues to stand out as a leading destination in aerospace and defense.

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