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Job #: R-00084653
Location: London, POST-LON
Category: Systems Integration
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Potential for Telework: Yes, 100%
Clearance Required: UK - SC


Job Description:


At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams in the UK to address some of the most complex problems in defence, government, safety and security, and transportation. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

Are you ready for your next career challenge?

We currently have a permanent vacancy for a Principal Test Engineer to join our proposal teams to provide technical leadership into all Leidos UK (Defence, National Security, Civil, Air Traffic Management and Central & Devolved Government) bids and proposals.

The Test Architect will be responsible for all test related responses to the bids and proposals, including project plans, estimates, outline test strategies, test automation strategies, and test tooling architecture as well as providing technical assurance during internal reviews that the proposals are deliverable. Applicants must have experience of Test Architecture or Management on various projects, including large scale Systems of Systems / Service Integration programmes (£500M+).

Applicants must have or be eligible for SC Clearance (including having been resident in the UK for 5+ years)

The successful candidate will be required to select appropriate test tools, methods and strategies in response to the bids and proposals, applying a rigorous and repeatable process to develop the required test response material. The successful candidate will also be responsible for maintaining a library of reusable material (documents, diagrams, templates, estimation models etc.) for use in subsequent proposals. To be successful in this role, we are looking for someone who can quickly assimilate large, complex sets of requirements and solutions, provide innovative approaches to integration and testing and work as part of proposal teams to meet tight submission deadlines.


The prime location for the role is flexible with occasional travel to the Farnborough, Southampton, Bristol, Midlands & London areas. Mobility and willingness to travel, on an ad-hoc basis, to 200+ mile distances is essential.

Job Description:

The successful candidate will have a broad set of experience including a good understanding of various test methodologies and approaches, from Waterfall to Agile, including DevOps and automation. Using their experience in Test Architecture and/or Management to deliver successful projects and programmes, the successful candidate will create innovative, efficient and effective responses to test related sections in bids and proposals.

Specific duties may include:

  • Creating and presenting storyboards to outline the test response in the proposals

  • Creating outline Test Strategies, including specification of all standards, methods, processes and tools to be used

  • Creating project schedules for testing, including estimates and justification for those estimates (Basis of Estimates)

  • Reaching out to the wider Leidos test community for input, examples and references

  • Working with the wider Leidos test community to stay current with evolving Leidos processes, tools and methods

  • Maintaining a library of example proposal documents, templates, project references, estimating models etc. for reuse in later proposals

Key Skills & experience

  • Significant experience within large scale/systems of systems/portfolio systems integration programmes

  • Significant experience of test planning, management and execution, preferably in large scale, complex  virtualised and cloud computing environments

  • Success in technical project management leadership, including test management

  • Extensive background and experience in system testing, including test automation      

  • Significant experience in bids and proposals

  • Comprehensive understanding and demonstrable implementation experience of defining & execution of various test strategies and methodologies at the portfolio/systems integration level

  • Experience with agile development methodologies

  • Able to use understanding of customer needs and expectations to generate mutually beneficial solutions or alternatives

  • Can deliver clear messages through dialogue, written work and formal presentation

  • Demonstrates commitment to sharing ideas, technologies and best practices

  • Willingness to offer fresh, innovative ideas and/or unconventional approaches

  • Significant experience across a number of broad technology disciplines, including domains such as digital transformation, mission critical, application consolidation, infrastructure design & migration (including Cloud & Data Centre), software development, service integration, and data analytics.

  • Experience of coordinating with enterprise stakeholders to prioritize product backlogs for sprints and releases.

  • Experience of applying strong baseline, configuration and release management.

Desired Skills and Experience:

  • Knowledge of professional engineering practices and best practices for the full development life cycle

  • Experience across 2 or more of the Customer domains Leidos delivers into

  • Experience of transitioning from legacy systems to new capabilities

  • Knowledge of web services testing, performance testing, load testing (tools and good practices), resilience and DR testing (business continuity)

  • Experience of delivering into a Service Management organisation

  • Experience of using tools to support planning and tracking of timeboxed or agile approaches

  • Ability to provide clear technical leadership whilst working collaboratively with a wider solution and bid team

  • Strong problem-solving with the ability to work cross-functionally in a fast-paced and rapidly changing work environment

  • Strategic thinker, coupled with an output focused approach to getting the job done – particularly in a bid scenario.

  • Quick learner with an in-depth understanding of the capability

  • Strong knowledge of Service Management and its application to the delivery of successful services.

  • Scaled Agile Practitioner

  • Certified Scrum Master

  • Experience of applying & developing ITIL aspects including Service Management Roles & Processes. 

Common Expectations:

  • Works and thinks in a team to deliver a common goal doing what is necessary to ensure mission success.

  • Interface technologies and design.

  • Experience of application architecture, software engineering approaches and languages.

  • Appreciation of security design, tools and their implementation of security within complex system.

  • T-shaped people willing to step outside normal skillsets to support the team; self-starter, proactive learning as required.

  • Identifies potential roadblocks and develops around them.

  • Builds solutions where the solution is not always well defined but always considers the customer first.


At Leidos we are PASSIONATE about customer success, united as a team and inspired to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance.

We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes:

Commitment to Diversity:

Truly diverse and inclusive culture.  We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. 

If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs.

Pay Range:

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.


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