Positiv Cohort Ltd

Senior Systems Engineer- Software Systems- Defence

Positiv Cohort Ltd  •  Bristol, GB (Onsite)  •  5 days ago
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Job Description

About the Role:

We are seeking a highly skilled Senior Systems Engineer with a strong focus on software systems to join our dynamic team in the defence sector This role is pivotal in shaping complex systems that meet diverse customer needs, ensuring robust requirements management, and driving software development aligned with strategic product line goals.

Key Responsibilities:

  • Customer Engagement & Requirements Capture:
    Collaborate with defence clients to understand, elicit, and refine their operational needs and translate them into clear, actionable system and software requirements.
  • Requirements Derivation & Flowdown:
    Develop and manage system, subsystem, and software requirements using industry-standard tools, ensuring traceability and alignment with customer expectations.
  • Product Line Strategy Support:
    Contribute to product line development by informing common architecture and reusable software components that serve multiple customer applications.
  • Change Management:
    Define and implement controlled processes for managing engineering changes, ensuring system integrity and compliance throughout the lifecycle.
  • Software Item Ownership:
    Act as the internal customer for specific software components, guiding their development and integration within the broader system architecture.

What We’re Looking For:

  • Proven experience in requirements management and derivation, ideally within the defence industry
  • Proficiency with systems engineering tools such as DOORS, DOORS NG, Rhapsody, or similar.
  • Strong understanding of functional design and the ability to flow requirements through system, subsystem, and equipment levels.
  • Excellent communication skills to translate complex technical concepts into clear, customer-friendly language.
  • Demonstrated ability in engineering change control and configuration management
  • Experience initiating and conducting trade studies and system development activities
  • Background in developing complex systems, preferably in a defence or aerospace environment.
  • Ability to communicate architectures and technical ideas effectively across all levels of stakeholders.
  • Strong stakeholder management and interpersonal skills.
  • Experience working with product lines and modular system architectures is highly desirable.

Competitive Rates Outside IR-35

Positiv Cohort Ltd

About Positiv Cohort Ltd

Agile. Capable. Cohort-Powered

Positiv+ Cohort is a specialist professional services company built for high-stakes, high-assurance delivery.

We partner with senior leaders in defence, government, and other secure industries to turn complex objectives into measurable outcomes. Based in Farnborough, our teams bring over 25 years of domain expertise across cybersecurity, cloud infrastructure, systems and software engineering.

Our leadership team has held the same types of roles as many of our clients - so we understand the pressures, constraints, and need for results from the inside out. Whether you’re dealing with legacy integration, digital transformation, or accelerated delivery requirements, we adapt quickly and deliver reliably.

We shape every engagement to match the scope, objectives, and pace of your project — offering outcome-focused, security-cleared services that help programmes succeed under pressure.

Our Services

+ Project Delivery & Professional Services

+ Embedded Systems Design & Validation

+ Software-Defined Systems

+ Advanced Engineering & Project Management

+ Cyber, Cloud & Digital Enablement

Structured Oversight and Assurance

Why Positiv+?

+ Specialists in secure, complex environments

+ Agile, accountable delivery teams

+ Deep technical and domain knowledge

+ High-trust engagements with structured assurance

Contact the Cohort by sending a message, visiting our website or emailing hello@positivcohort.com

Industry
Architecture & Engineering
Company Size
11-50 employees
Headquarters
Farnborough, GB
Year Founded
Unknown
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