# Senior Systems Engineer- Software Systems- Defence

> Positiv+ Cohort · Bristol, United Kingdom (Hybrid) · Contract · Posted 2025-10-01

**Workplace:** hybrid

## 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

## Apply

[Apply at Positiv+ Cohort](https://apply.workable.com/positiv-cohort/j/FDB5AE8774/apply)

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