Lead, Security Research Engineer

L3Harris

USremote country$117k-$251k/yrPosted Jul 22, 2026
Posting intelligenceActively listedReposted 2×, possible evergreen/ghost posting

Skills

expresspythontypescript

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: Lead, Security/Vulnerability Research Engineer (Active TS/SCI Clearance)

Job Code: 40964

Job Location: Remote

Job Schedule: 9/80 (Every other Friday off) or Standard 5/8

Job Description:

L3Harris is currently seeking a senior level Security/Vulnerability Research Engineer to join our talented team! This individual will perform reverse engineering tasks associated with vulnerability detection and manipulation of targeted systems. This is an extremely exciting position working with National Security customers to protect and defend our nation. Don’t join a job, join a mission. L3Harris Technologies is seeking the best of the best to support our Security Vulnerability and Research efforts for our customers.

Essential Functions:

Perform vulnerability research on embedded systems and software applications to identify previously undisclosed security risks

Reverse engineer multiple architectures and platforms as needed, including ARM, x86, x64, and MIPS

Leverage both static and dynamic analysis tools for firmware/software evaluation

Experience working with reverse engineering frameworks such as Ghidra or IDA Pro

Bypass modern security controls (such as ASLR, NX, canaries) in order to develop a working proof-of-concept (PoC)

Apply knowledge of offensive and defensive reverse engineering techniques, including countering and developing advanced security measures

Design, develop, or analyze low-level system components, including kernel modules and other system foundational firmware services

Develop tools and software solutions using python scripts, C, or other programming languages as needed

Work proficiently within a Unix/Linux operating system environments

Qualifications:

Active Top Secret/SCI security clearance required

Bachelor’s Degree and minimum 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.

Preferred Additional Skills:

5+ years’ experience working with reverse engineering frameworks such as Ghidra or IDA Pro

5+ years’ experience performing vulnerability research on embedded systems and/or software applications to identify potential security risks

Professional hands-on experience with diagnostic tools such as oscilloscopes, multi-meters, power supplies, and logic analyzers

Experience in firmware emulation and debugging

Experience with embedded hardware and software design, development, and testing processes

Background in developing hardware platforms

Competence in one or more low-level programming languages

Knowledge and expertise in RF systems and technologies

Familiarity with wired and wireless protocols including USB, SPI/I2C/1-Wire, Ethernet, PCI-Express, 802.11, Bluetooth, Cellular, and others

Experience developing custom emulation solutions to enable dynamic analysis using tools such as QEMU

Experience writing plugins for decompilers such as IDA and Ghidra

Skill in soldering, prototyping, and analyzing electronic circuits

Ability to lead and manage engineering teams effectively

In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C. area, Denver, or NYC areas is $135,000 - $250,500. The salary range for this role in Colorado state, Hawaii, Illinois, Maryland, Minnesota, New York state, Cleveland Ohio, Vermont and Virginia is $117,000 - $218,000. 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

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.

Compensation

This Research Engineer role pays $117k-$251k/yr. Within typical range for research engineer roles in United States.

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