
Senior Specialist, Security Research Engineer
L3Harris Technologies · United States
- Hybrid
- Full-time
- $180,000 / year
- United States
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Senior Specialist, Security Research Engineer
L3Harris Technologies · United States
Alex Rivera
Hiring Manager · h•••••@careers.l3harris.com
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Subject: Interested in the Senior Specialist, Security Research Engineer role at L3Harris Technologies
Hi Alex — I came across the Senior Specialist, Security Research Engineer opening and wanted to reach out directly. I've spent the last few years doing exactly this kind of work, and L3Harris Technologies stood out because…
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Not recommended alone — most applicants never hear back.
Job highlights
- Find and exploit software/firmware vulnerabilities.
- Lead technical outcomes and mentor team members.
- Work with elite security researchers and intelligence pros.
- Gain experience in defense tech and national security.
- Remote role with flexible 9/80 work schedule.
About the role
Senior Security Software Research Engineer
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.
This role is 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.
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.
Key skills/competency
- Vulnerability Research
- Exploit Development
- Reverse Engineering
- Binary Analysis
- Software Security
- Penetration Testing
- Security Research
- Cybersecurity
- Firmware Analysis
- Malware Analysis
Skills & topics
- Senior Security Software Research Engineer
- Vulnerability Research
- Exploit Development
- Reverse Engineering
- Binary Analysis
- Software Security
- Penetration Testing
- Security Research
- Cybersecurity
- Firmware Analysis
- Malware Analysis
- C/C++
- Python
- iOS
- Android
- Windows
- Linux
- Embedded Systems
- IdaPro
- Ghidra
- Remote
- Security Clearance
- 9/80 Schedule
How to get hired
- Research L3Harris: Understand their mission, values, and recent projects in defense tech and cybersecurity.
- Tailor Your Resume: Highlight your experience in vulnerability research, exploit development, and reverse engineering, aligning with the Senior Security Software Research Engineer role.
- Showcase Technical Skills: Emphasize proficiency in tools like IdaPro, Ghidra, and languages like C/C++, Python, demonstrating your technical depth.
- Prepare for Clearance: Be ready to discuss your eligibility for security clearances, as this is a common requirement.
- Network (if possible): Connect with L3Harris employees on LinkedIn to gain insights into their culture and team dynamics.
Technical preparation
Master C/C++ and Python for exploit development.,Deep dive into reverse engineering tools like Ghidra.,Study exploit mitigations and evasion techniques.,Practice identifying vulnerabilities in various systems.
Behavioral questions
Describe a complex vulnerability you found.,How do you mentor junior security researchers?,How do you handle challenging technical disagreements?,Discuss your process for managing project deliverables.
Prefer to apply the usual way?
Not recommended alone — most applicants never hear back. Email the hiring manager first.
Frequently asked questions
- What is the work arrangement for the Senior Security Software Research Engineer role at L3Harris?
- The Senior Security Software Research Engineer position at L3Harris is a remote role, offering flexibility in where you work. Additionally, it features a 9/80 work schedule, meaning employees work 9 days out of every 14, totaling 80 hours, and have every other Friday off.
- What are the primary responsibilities of a Senior Security Software Research Engineer at L3Harris?
- As a Senior Security Software Research Engineer, your main duties will include discovering vulnerabilities in software and firmware, developing exploits for these vulnerabilities, guiding technical team outcomes, and mentoring junior team members. You will also interact with management and customers regarding technical work.
- What qualifications are required for the Senior Security Software Research Engineer position?
- A Bachelor's Degree with at least 6 years of relevant experience is required. Alternatively, a Graduate Degree with 4 years of experience, or 10 years of experience in lieu of a degree, will suffice. Experience in vulnerability research, reverse engineering, and bug-hunting is highly preferred.
- Does this Senior Security Software Research Engineer role require a security clearance?
- Yes, many positions at L3Harris, including the Senior Security Software Research Engineer role, require the ability to obtain and maintain a security clearance. This typically means you must be a U.S. citizen and meet specific government security investigation requirements.
- What kind of benefits does L3Harris offer to its employees?
- L3Harris provides a comprehensive benefits package that includes health and disability insurance, a 401(k) match, flexible spending accounts, an Employee Assistance Program (EAP), education assistance, parental leave, paid time off, and company-paid holidays. Specific benefits may vary based on employment details.
- What specific tools and programming languages are commonly used by security researchers at L3Harris?
- Preferred skills for this role include experience with security research tools such as IdaPro, Ghidra, Radare, and Binary Ninja, as well as programming languages like C/C++, Python, and Swift. Familiarity with various architectures and exploit mitigation techniques is also valuable.
- What is the salary range for the Senior Security Software Research Engineer role at L3Harris?
