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Join to apply for the Senior / Principal Systems Architect role at Expleo Group

We are seeking a Senior & Principal Systems Architects 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 d ocumentation . 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 Architect for the customers Underwater Systems Division, you will be responsible for defining and maintaining high-level architectures for ASW systems, ensuring technical coherence across platforms, sensors, and software. You will work at the intersection of operational concepts, customer needs, and technical delivery, translating complex requirements into system-level designs that meet capability, cost, and schedule objectives.
• Key Responsibilities:
• Define and own the system architecture for ASW programmes, ensuring alignment with operational and customer needs
• Develop architecture frameworks, models, and interface definitions across disciplines
• Drive system-level design decisions, trade studies, and risk assessments
• Ensure architectural compliance with engineering management plans and industry standards
• Contribute to capture planning, bid activities, and solution roadmaps
  

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

• Knowledge of naval combat systems, sensors, and underwater systems integration
• Skilled in model-based systems engineering (MBSE) and architecture frameworks (e.g. MODAF, TOGAF)
• Strong cross-disciplinary technical leadership and communication 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 in system architecture for complex defence platforms.
• Domain Knowledge: Submarine or wider Maritime Defence experience preferred; SONAR experience is a distinct advantage.
  
  

• Engineers must meet the following criteria:
• Security Cleared (SC, sole UK national, BPSS)
• Onsite Availability: Minimum 3 days per week at Cheadle
• Lifecycle Familiarity: Demonstrated experience across the full V-model development lifecycle
• Leadership Ability: Self-starting and capable of leading small engineering teams when required
  

• Collaborative working environment – we stand shoulder to shoulder with our clients and ourpeers 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
• ExpleoAcademy - 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
  

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Other

Job function

• Industries

  IT Services and IT Consulting

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