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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior software Engineer - **Company:** Leidos, Inc. - **Location:** Fareham, UK (Remote available) - **Experience:** Expert - **Salary:** £61,500.0 - £78,800.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Unix, C++ (Programming Language), Configuration Management, Linux, DevOps, Distributed Systems, Perl (Programming Language), Python (Programming Language), Software Architecture, Software Engineering, Software Requirements Analysis, Software Systems, Information Technology - **Published:** August 1, 2026 - **Apply:** https://dejobs.org/x/x/7F01CFB783264531BB7822FF092412DD/job/ ## About the Role We are interested in candidates who can demonstrate significant experience in several of the following areas: * Strong software development experience using Ada (83/95), C++, C or similar engineering-focused languages * Software design, development and integration within Linux or Unix style environments * Scripting and automation using technologies such as Python, Shell or Perl * Networked and distributed systems, including TCP/IP-based communications * Requirements analysis, software design, implementation, integration, verification and maintenance * Experience delivering software within safety-critical, mission-critical or high-integrity environments * Configuration management, change management and release processes * Experience working within structured development lifecycles, including Waterfall and V-Model approaches, * Strong problem-solving and analytical skills with the ability to develop innovative solutions to complex technical challenges * Excellent written and verbal communication skills * Ability to influence technical direction and support engineering decision-making * Experience working across multiple projects or technical domains simultaneously * Ability to build effective working relationships with customers, stakeholders and engineering teams * Degree in Computer Science, Software Engineering, Engineering or a related discipline, or equivalent experience Appointment is subject to the successful candidate holding, or being eligible to obtain, UK Security Check (SC) clearance. ## Description We are seeking an experienced Software Engineer to join our Air Traffic Management programme. This is an opportunity to play a key role in the development and sustainment of safety-critical, real-time Air Traffic Control systems. As part of a multi-disciplinary engineering team, you will be responsible for delivering complex software solutions across the full software development lifecycle, from requirements analysis and system design through to implementation, integration, testing, deployment and operational support. You will work across multiple applications and technical domains, applying your expertise to solve challenging engineering problems and drive successful project outcomes. You will contribute technical leadership within project teams, influence engineering approaches and design decisions, and collaborate closely with customers, stakeholders and engineering disciplines to ensure the delivery of robust, high-quality software solutions. While knowledge of Air Traffic Management systems would be advantageous, it is not a prerequisite for the role as we recognise that strong software engineering skills are transferable. Successful candidates will receive domain-specific training and support to build their understanding of Air Traffic Management systems and operational practices., * Investigation and resolution of complex software and system issues * Define, develop and maintain software requirements and technical baselines * Contribute to software architecture and design decisions across multiple applications and projects * Develop and implement robust software solutions that meet customer and business requirements * Provide technical leadership and guidance to engineering teams * Identify, assess and manage technical risks, opportunities and dependencies * Support project planning, estimation and delivery activities * Work collaboratively with Systems Engineering, Formal Test, Cyber, DevOps and Programme Management teams * Engage with customers, suppliers and other stakeholders to support delivery objectives * Review engineering deliverables and ensure compliance with applicable standards, processes and best practices * Produce and review technical documentation, design artefacts and engineering reports * Support operational deployments and customer acceptance activities as required ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [#90DaysOfDevOps - The DevOps Learning Journey](https://www.wearedevelopers.com/videos/548-90daysofdevops-the-devops-learning-journey) - [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Software Engineer Salary in The UK](https://www.wearedevelopers.com/magazine/231-software-engineer-salary-in-the-uk)