Access Engineer

L3Harris Technologies

Access Engineer developing security solutions and collaborating with researchers at Trenchant, part of L3Harris' Cyber Division. Engaging in challenging cyber security projects in a global context.

Posted 6/2/2026full-timeLondon • 🇬🇧 United KingdomMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AndroidAssemblyCyber SecurityiOSJavaKotlinObjective-CSwift

About the role

Key responsibilities & impact

Collaborate with security researchers to adopt working research output into commercial products
Transform vulnerability writeups and proof of concept code into mature capabilities
Effectively communicate status and technical challenges using language that is appropriate to your audience
Participate in planning and prioritization activities with members of the commercial arm of the organization
Provide engineering support to customer reported issues
Provide guidance to less experienced engineers in technical fields relevant to the platform and the domains of cyber security and software engineering
Monitor industry trends and publicly disclosed techniques for incorporation into our products

Requirements

What you’ll need

Bachelor’s Degree in Computer Science (or related field) and 4 years of experience or Master's
In lieu of a degree, 8 years of experience in cyber security and software engineering
Working knowledge of OS and application vulnerability classes
Proven experience analyzing malware samples, producing vulnerability proofs of concept, and understanding mitigations provided by software patches
Comfortable with C programming, memory management concepts, assembly languages, and private (undocumented) APIs
Demonstrated proficiency in all aspects of a mobile platform (Android or iOS) including OS internals, mobile ecosystem languages (Objective-C, Swift, Java, and/or Kotlin), and system security mechanisms
Demonstrated proficiency using reverse engineering tools such as IDA Pro, Ghidra, or Hopper and dynamic tools such as Frida or ADB
Demonstrated proficiency using common software development tools such as git, gitlab CI, and cmake

Benefits

Comp & perks

Bonus scheme
25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days
Private medical insurance with optional family cover
Pension scheme of up to 8% employer contribution
Life Assurance 4x salary (flexible up to 10x)
Group income protection
Flexible opt-in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover, cycle to work scheme, travel insurance and electric car scheme
Employee Family Assistance Program providing mental health and wellbeing support

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

C programmingmemory managementassembly languagesmalware analysisvulnerability proof of conceptmobile platform proficiencyObjective-CSwiftJavaKotlin

Soft Skills

communicationcollaborationguidanceplanningprioritization