Software Engineer - Diagnostics Systems

West Sussex

Job summary

L3Harris Technologies
Aerospace / Avionics, Computing & IT/Hardware
Contract Type:
Full Time
Expiry Date:

About the job

Job Title:  Software Engineer - Diagnostics Systems

Job Location:  UK – Crawley, West Sussex

Job Code:  IMS20220302-76460


About the role:

L3Harris Training Systems play a key role on delivering the L3Harris Commercial Aviation Solutions mantra of ‘Creating Safer Skies’. From our computer-based solutions all the way to our state-of-the-art Full Flight Simulators (FFS), improving the training experiencing and creating safer skies is at the heart of everything we do. Our Fixed Training Devices (FTD) and FFS feature aircraft-specific flight decks, offering the form, fit, feel, and function of the actual aircraft. Our airline pilot training systems cover the complete training spectrum, whether its systems knowledge, procedure training or jet transition we have the solutions for your airline.


As a Software Engineer, you will be joining the Simulation Technologies & Infrastructure Chapter in the Software Engineering department.  You will be responsible for undertaking tasks as directed associated with configuring, customising, maintaining, supporting, modifying and developing the Diagnostics Systems on our flight training simulators. You will be working as part of a multi-skilled team and allocated specific tasks in line with project schedules.

Day to day responsibilities will include (but not be limited to):

  • Software configuration, customisation, maintenance, support, modification and development
  • Analysis of hardware systems and associated interfaces
  • Support of Integration, Validation and Verification activities on simulators
  • Support of Software Baseline Management activities

Knowledge, Skills and Qualifications:

  • The diagnostics system uses a proprietary software tool that was developed in-house, this tool uses a programming language that is similar to C, so some exposure to or experience of the C programming language syntax and constructs would be beneficial; please note that this is not a C programmer / developer role
  • The diagnostics system also uses Perl scripts so some exposure to or experience of Perl scripting would be beneficial
  • Experience of use of software configuration management systems such as Git would be beneficial
  • Ability to extract information from technical documentation such as schematic diagrams and OEM programming manuals
  • An aptitude for problem solving
  • Ability to use Microsoft Word & Excel
  • Ability to read & write technical English
  • Self-motivated and able to work with a minimal level of supervision from another engineer
  • Ability to communicate effectively with peers and supervisors at all times
  • Team player, open minded, proactive in moving the company forward
  • Displays energy, drive, agility, and resilience in achieving work-related goals
  • Able to work on customer sites, typically overseas for periods ranging from 1 week up to 2 weeks
  • Flexibility in working hours as required to meet project needs
  • Able to work effectively when under pressure

Qualification and educational requirements:

  • A suitable degree or equivalent (with mathematics, science or engineering content) or a minimum 2 years appropriate experience in industry. 


  • Auto Enrolment pension scheme
  • 25 days annual leave plus bank holidays
  • Group Income Protection, Private Health Care and Life Assurance
  • Employee Assistance Programme
  • Discounts with cinemas, travel, major retailers, family days out and much more
  • Hybrid working opportunities
  • Free parking
  • Cycle to Work scheme
  • Subsidized staff restaurant

Please note: L3Harris Commercial Aviation does not provide a visa sponsorship for this role. All candidates who wish to apply for this vacancy must have the right to work in the UK in order to be considered.

To apply, please follow link to our careers website: Diagnostics Systems Engineer at L3Harris Technologies 

Note: This Job Description is not intended to be all inclusive. It is designed to indicate the general nature and level of work performed by employees within this job title. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications required of employees assigned to the role.  The employee may perform other related duties as required to meet the ongoing needs of the organization.

L3Harris Technologies is proud to be an Affirmative Action/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, colour, 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.

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