Senior/Principal Systems Engineer

About PentenAmioPentenAmio is a leading provider of advanced digital security solutions that power national security and resilience across the UK, Australia and our allies. Focused on solving complex digital challenges that others avoid, we embrace the impossible to deliver transformative technologies that protect those who protect us.Across the UK and Australia, PentenAmio combines a legacy of knowledge and proven delivery across secure mobility and AI-driven deception technologies. Our work spans Government and Defence markets across civil and military applications, powering intelligent advantage on a global scale.Typical ActivitiesWorking in collaboration with internal stakeholders across Engineering, Product Management and Technical Leadership, the Senior/Principal Systems Engineer will:Lead the definition, design, and delivery of product architectures and integrated system solutions across complex, multi-disciplinary projects.Translate stakeholder needs into clear, verifiable system requirements and architectures.Own the development and maintenance of system and product architectures that ensure scalability, reliability, and maintainability.Define and manage integration strategies, ensuring seamless interaction between software, hardware and network components.Support verification and validation planning and execution throughout the system lifecycle.Apply systems engineering best practice and standards to ensure quality and compliance.Engage with internal and external stakeholders to capture requirements and manage technical interfaces.Identify and manage technical risks and opportunities, implementing mitigation strategies.Provide mentoring and guidance to project teams on systems engineering principles and practices.- Contribute to process improvement and knowledge sharing across the engineering organisation.What we're looking forProven experience leading systems engineering activities within complex, multi-disciplinary environments.Strong background in system architecture definition, requirements management, and system integration.Ability to apply holistic, lifecycle-based systems thinking to complex challenges.Experience with requirements capture, traceability, and validation across the full engineering lifecycle.Knowledge of verification and validation processes and industry standards.Understanding of security best practices, including secure design principles and threat modelling.Strong communication skills, capable of translating complex technical information for diverse audiences.Collaborative mindset with the ability to work effectively across engineering disciplines and stakeholders.Ability to lead by example, demonstrating technical leadership, integrity, and accountability.Adaptability to evolving project needs, technologies, and stakeholder priorities.DesirableExperience within the Cyber Security or Defence domain.Familiarity with secure mobility or AI-driven deception technologies.Experience using systems engineering tools and repositories.Knowledge of relevant industry frameworks and standards (e.g., ISO 15288, INCOSE).Background in integration of software, hardware, and firmware systems.Qualifications & EligibilityTo be eligible for this position you must:Hold a relevant degree in Engineering, Computer Science, or related discipline, or have equivalent professional experience; and,Be a British citizen; andHold or be eligible for UK National Security Vetting (NSV) - SC level clearance (DV desirable).PentenAmio is committed to providing equality of opportunity for all. We aim to ensure our workplaces are free from discrimination and that our current and future colleagues are treated fairly and with dignity and respect. Please inform us of any reasonable adjustments that we may need to make.