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Leidos

Systems Engineer

Leidos

. Develop and maintain clear, testable and traceable system requirements, interfaces and engineering artefacts .

Posted 11/5/2026full-timeUnited KingdomMid-LevelSenior💰 £47,600 - £61,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in systems engineering for complex software-oriented systems, with a strong focus on developing and managing system requirements, interfaces, and compliance evidence. Proficient in applying modelling techniques and supporting system integration within multidisciplinary environments.

Highest-signal resume keywords
Systems Engineering ExperienceRequirements ManagementInterface DefinitionModelling TechniquesCloud Platforms Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Systems Requirements DevelopmentSystem ModellingAnalytical TechniquesTechnical Risk ManagementVerification and ValidationPerformance ModellingConfiguration ControlTraceability ComplianceAgile Engineering DeliveryBPMN 2.0 Business Process Modelling
Soft Skills
Clear CommunicationCollaborationIndependent Work
Tools & Technologies
AWSSysML 1.6SysML 2.0ArchimateCOTS Systems Integration
Certifications & Qualifications
INCOSE ASEP/CSEPChartered EngineerBPSSSC Clearance
Industry Keywords
Public SectorDefenceSecurity-Conscious EnvironmentSupply ChainLogisticsERP Systems

Tech Stack

Tools & technologies
AWSCloudDistributed SystemsERP

About the role

Key responsibilities & impact
  • Develop and maintain clear, testable and traceable system requirements, interfaces and engineering artefacts
  • Model and analyse system behaviour, interfaces and non-functional characteristics
  • Support system integration and verification throughout delivery
  • Elicit, analyse, decompose and manage functional and non-functional system requirements
  • Develop and maintain system models, functional and logical views, interface definitions and Interface Control Documents
  • Analyse end-to-end system interactions, data flows, dependencies, constraints and behaviours across ESCS capabilities and external systems
  • Undertake system-level analysis of availability, reliability, performance, capacity, resilience and recoverability
  • Collaborate with architecture, software, data, cloud, security, test and supplier teams
  • Support verification and validation, acceptance criteria definition and requirements-to-verification traceability
  • Identify, analyse and manage technical risks, assumptions, dependencies, issues and opportunities
  • Contribute engineering evidence to technical reviews, design reviews, integration readiness and capability acceptance
  • Maintain systems engineering artefacts under configuration and change control
  • Provide accurate and transparent reporting of progress, successes and impediments

Requirements

What you’ll need
  • Systems engineering experience on complex, software-oriented systems self-hosted within public and private cloud platforms
  • Experience developing and managing system requirements in line with INCOSE best practice and maintaining traceability to design and verification compliance evidence throughout the engineering lifecycle
  • Experience defining interfaces between systems, applications or services and producing associated interface documentation
  • Experience applying modelling or analytical techniques to understand system behaviour, dependencies or non-functional characteristics
  • Experience supporting system integration, verification and technical assurance in a multidisciplinary engineering environment
  • Ability to work independently within an assigned engineering scope and collaborate effectively with architects, software engineers, test engineers, suppliers and other engineering disciplines
  • Experience with hyperscaler platforms, preferably AWS
  • Experience with enterprise SaaS and COTS systems integration programmes
  • Experience with supply chain, procurement, order management, logistics or ERP-related systems
  • Experience with MBSE and modelling notation/tooling such as SysML 1.6, SysML 2.0 or Archimate
  • Experience with availability, reliability, capacity or performance modelling of distributed systems
  • Experience in multidisciplinary agile or hybrid engineering delivery environments
  • Public sector, defence or security-conscious environment experience
  • INCOSE ASEP/CSEP, Chartered Engineer or equivalent professional development towards recognised systems engineering accreditation desired
  • Previous experience with BPMN 2.0 business process modelling
  • BPSS required to start
  • SC required for the role
  • Clear and proficient written and verbal communication
  • Strong use of engineering best practice, configuration and change control, and secure systems engineering principles

Benefits

Comp & perks
  • Contributory Pension Scheme
  • Private Medical Insurance
  • 33 days Annual Leave (including public and privilege holidays)
  • Access to Flexible benefits, including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme
  • Flexible Working Scheme
  • Technical academies
  • Career rotations
  • Career development plans
  • Digital tools and flexibility to work from home, the office or customer sites