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Senior Software Engineer: L3 Harris

Manor Royal Business District
Crawley, West Sussex
Closing date
18 Jul 2022
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Job Details

L3 Harris

Job Title:  Senior Software Engineer

Job Location:  UK – Crawley – West Sussex


About the role:  

The main purpose of this role is to support our digital transformation journey and we are looking for someone to provide critical support to our Software Development Team as an ASP.NET, .NET Core Developer.  Reporting to the IT Manager, the role is best suited to someone who is able to work on projects that are crucial to the operational effectiveness of the company.  These projects will be based upon C# and VB.NET, Angular12, MVC & web form application development, using IIS and SQL databases.

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

  • Design, build, and maintain efficient, reusable, and reliable code
  • Deliver high quality functional software within agreed timescales.
  • Collaborate with a team to prepare designs, estimates and functional specifications.
  • Maintain quality through code and document reviews.
  • Participate in Agile based meetings to ensure iterations are well defined, planned and delivered 
  • Investigate software/system faults and devise solutions to these problems
  • Review team & iteration performance to identify improvements to future deliveries
  • Work with product owners to establish user requirements.
  • Quality check all builds / revisions prior to release.

 Knowledge, Skills and Qualifications:

  • Experience supporting and developing in an Azure Cloud environment is essential.
  • Senior commercial experience of Azure C#, VB, Web Forms, MVC and ASP.NET (CSS, Bootstrap, JavaScript, JQuery, Angular12 Framework)
  • Strong analytic skills, strategic vision, and logical approach to problem solving. 
  • Strong Transact SQL skills and experience of programming complex Stored Procedures working with Microsoft SQL Server. 
  • Experience creating/maintaining web sites on Internet Information Services 
  • Knowledge of performing test driven development. 
  • Understands the Agile software development lifecycle and working knowledge of SCRUM
  • Ability to work in a deadline-oriented environment, and be a highly organized individual with the ability to multi-task and have a high attention to detail. 
  • Working knowledge of design patterns and Object Orientated Design. 
  • Full development life cycle experience.
  • Strong knowledge of refactoring, including improving the design of existing code. 
  • Experience in large, complex system implementation projects.
  • Autonomous and proactive in solving problems.
  • Clear and concise documentation skills.
  • Team Leadership skills.
  • Good interpersonal and communication skills to gather user requirements and give project updates.
  • Quality assurance with code, functionality and interface reviews before deployment.

Preferred Additional Skills:

  • Azure DevOps
  • GIT source control
  • Build / Release definitions
  • Agile (Sprints, Kanban)
  • Code Reviews / Pull requests
  • CI / CD  Continuous Integration / Continuous deployment
  • Azure Infrastructure
  • Architecture 
  • Deployments
  • App Service
  • Azure Functions
  • Storage Containers
  • IaaS (Infastructure as a service)
  • Message Queues


  • 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
  • Subsidised 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.


Manor Royal Business District is the biggest business park of the Gatwick Diamond area and one of the south east's premier mixed activity employment hubs.

Enviable location and connections

Situated at the heart of the Gatwick Diamond on the Sussex and Surrey county borders, just two miles from London Gatwick Airport, a major motorway junction (M23 Junctoion 10) and two mainline railway stations (Gatwick Airport and Three Bridges), Manor Royal is a popular choice for a diverse range of occupiers including a host of blue chip global brands.

Manor Royal in numbers

  • One of the biggest business parks in the South East.
  • Covers an area of 539 acres – that’s over 300 football pitches.
  • 700 properties
  • 500 businesses
  • 30,000 people

Manor Royal more than a number

Since the formation of the Manor Royal Business Group (MRBG), an association of Manor Royal based business and firms, being on Manor Royal means being part of something. You’re never just a number.

Manor Royal makes sense

Scale, diversity, location and great connectivity with a property offer to match means Manor Royal based firms are never far away from their suppliers, customers and a talented workforce.

Pay us a visit

Visit to find out more and to get in touch


Find Us
7 Magellan Terrace (Ground Floor)
Gatwick Road
West Sussex
RH10 9PJ
United Kingdom
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