Senior / Principal Systems Engineer

Cheadle, England, United Kingdom

7/25/2025

We are seeking a Senior & Principal Systems Engineers with extensive years of experience to join our team. The ideal candidates will have a strong background in the defence industry and expertise in systems engineering, verification, project management, and Documentation . We are looking for Engineers who p romote a mindset of attention to detail, communication, and teamwork within the team. Candidates with a good understanding of all aspects of Systems Engineering relating to lifecycle processes and methodologies should apply.

Responsibilities

• As a Systems Engineer, you will play a crucial role in designing, implementing, and maintaining complex systems solutions that meet our clients' needs. You will collaborate closely with cross-functional teams to ensure seamless integration and deployment of systems, while adhering to industry standards and best practices.Duties may include but not limited to:
• Requirements Analysis & Management
• Review and interpret User Requirements Documents (URDs)
• Derive and document system/sub-system requirements
• Establish and control requirement baselines
• Perform impact assessments on change requests
• Manage requirements through IBM DOORS (or equivalent)
• Solution Development
• Develop technical solutions for hardware, software, and systems-of-systems
• Decompose requirements into design building blocks at system and subsystem level
• Identify, propose and secure buy-off for system solutions
• Support configuration definition and management activities
• Artefact Generation
• Produce high-quality technical documentation in line with project governance
• Contribute to formal reviews and audits of artefacts and baselines
• Lead or support generation of interface control documents, architecture diagrams, and verification plans
• You are expected to be able to work in all areas of top the V model where you will be able to support concept translating systems to customer requirements, through to in-service support. You will be expected to provide systems engineering support to customer design and engineering management teams.
• Full requirements management (creation, update, validation, verification), including suppliers’ integration and DOORS experience,
• Documentation: Produce detailed technical documentation, supporting the development of engineering requirements and associated documentation.
• Reviewing, documentation - Subsystems, customer, work packages.
• Verification, Validation, proving and Certification
• Systems Integration
• Model based engineering techniques, including the use of Rhapsody
  

Qualifications

• Bachelor's degree in Engineering, Computer Science, or a related field.
• Applicable and suitable experience can be substituted for qualifications.
  
  

Essential Skills

• Systems Engineering
• Technical Requirement Specification
• Requirements Verification
• Requirements Development
• Requirements Proving
• Rhapsody
• PLM tools
• System design
• Systems Architecture
• Systems Integration
• Ability to provide inputs to project Management
• MS Office Suite
• Understanding of complete V Lifecycle.
• Manage Non-Conformances
• IBM DOORS
• JIRA
  
  

Desired Skills

• Ability to analyse complex technical problems and generate effective solutions.
• Strong interpersonal skills for effective cross-functional collaboration.
• Excellent verbal and written communication skills, capable of articulating complex technical concepts to diverse audiences.
• Comfortable working in a dynamic, fast-paced environment with evolving priorities.
  
  

Experience

• Extensive experience in Systems Engineering roles.
• Proven experience in systems engineering, preferably within the defence or aerospace industry
• Strong analytical and problem-solving skills, with the ability to troubleshoot complex technical issues and propose innovative solutions
• Excellent communication and interpersonal skills, with the ability to collaborate effectively in a multidisciplinary team environment
• Experience with project management practices and tools, including schedule management, risk analysis, and resource allocation
• Knowledge of relevant industry standards and regulations, such as MIL-STD, DO-178C, and DO-254, is desirable
• Eligibility for security clearance (dependent on project requirements)
• Systems Thinking: Understanding of context and complexity; systems of systems awareness
• Systems Design: Concept Generation, architecture definition, design assurance & Integrity
• Systems Safety: Identification and Mitigation of hazards; safety considerations
• IVVQ: Requirements verification and Validation planning and execution
• Interface Management: Understanding and Documenting systems relationships and Interfaces
• Requirements Management: Requirements Derivation, Allocation and Traceability (Using DOORS)
• Lifecycle Knowledge: Full coverage of the V lifecycle, from concept through to validation and support
  
  

What Do I Need Before I Apply

• Engineers must meet the following criteria:
• Security Cleared (SC, sole UK national, BPSS)
• Onsite Availability: Minimum 3 days per week at Cheadle
• Requirements Derivation Experience: Proven capability deriving and allocating URD requirements to sub-systems
• Domain Knowledge: Submarine or wider Maritime Defence experience preferred; SONAR experience is a distinct advantage
• Lifecycle Familiarity: Demonstrated experience across the full V-model development lifecycle
• DOORS Proficiency: Working knowledge of DOORS or equivalent tools for requirements management
• Leadership Ability: Self-starting and capable of leading small engineering teams when required
  

Benefits

• Collaborative working environment – we stand shoulder to shoulder with our clients and our peers through good times and challenges
• We empower all passionate technology loving professionals by allowing them to expand their skills and take part in inspiring projects
• Expleo Academy - enables you to acquire and develop the right skills by delivering a suite of accredited training courses
• Competitive company benefits
• Always working as one team, our people are not afraid to think big and challenge the status quo
• As a Disability Confident Committed Employer we have committed to:
• Ensure our recruitment process is inclusive and accessible
• Communicating and promoting vacancies
• Offering an interview to disabled people who meet the minimum criteria for the job
• Anticipating and providing reasonable adjustments as required
• Supporting any existing employee who acquires a disability or long term health condition, enabling them to stay in work at least one activity that will make a difference for disabled people
  

“We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age”.

We treat everyone fairly and equitably across the organisation, including providing any additional support and adjustments needed for everyone to thrive