Cybersecurity (Secure Software/Cloud Integration) Engineer

Company: Expleo
Apply for the Cybersecurity (Secure Software/Cloud Integration) Engineer
Location: London
Job Description:

Responsibilities

  • Embed security practices into software development pipelines by integrating DevSecOps principles, automation tools, and governance controls.
  • Support the definition, implementation, and continuous improvement of secure software development lifecycle (SSDLC) processes across internal and client delivery teams.
  • Advise on secure architecture patterns and controls for cloud-native, containerised, and hybrid applications, aligned with industry standards and best practices.
  • Collaborate with engineering, DevOps, and platform teams to guide the adoption of security tooling across CI/CD environments.
  • Conduct reviews of application architecture, infrastructure-as-code, and security configurations to identify risks and support remediation planning.
  • Provide input into security design decisions, threat modelling sessions, and architectural governance forums.
  • To support engineering teams and deliver clear, practical documentation, including secure development standards, integration guidelines, and process artefacts.
  • Stay informed on the evolving threat landscape, cloud security trends, and software security vulnerabilities to ensure contemporary and effective delivery.
  • Participate in client workshops, knowledge-sharing sessions, and cross-functional engagements to build capability and promote a secure development culture.
  • Contribute to continuous internal improvement initiatives within the cybersecurity practice, helping enhance methods, tooling, and DevSecOps delivery frameworks
  • Qualifications

  • A degree (or equivalent experience) in Cybersecurity, Computer Science, Software Engineering, or a related technical discipline.
  • Recognised industry certifications in cybersecurity or application security (CompTIA, ISC2, GIAC, ISACA, or CREST).
  • Highly desirable are certifications related to secure development and cloud security (CSSLP, AZ-500, SC-100/SC-200, AWS Security, GCSA, GCLD, or similar).
  • Familiarity with secure coding standards (OWASP, SEI CERT) and SSDLC models (Microsoft SDL, NIST 800-218 SSDF).
  • Knowledge or experience of Product Assurance Schemes (PAS) or product security frameworks (PAS 754, PAS 1296, or similar) is desirable.
  • DevOps, DevSecOps, or platform certifications (Kubernetes, Terraform, Azure DevOps, GitHub Actions) are advantageous.
  • Evidence of continued professional development aligned with software and cloud security trends, tooling, and threat awareness.
  • Essential skills

  • Strong understanding of secure software development principles and the software development lifecycle (SDLC/SSDLC).
  • Hands-on experience integrating security tools and controls into CI/CD pipelines.
  • Proficiency in modern DevOps environments.
  • Practical experience with cloud security concepts and controls across at least one major cloud platform (AWS, Azure, or GCP).
  • Solid grasp of secure coding practices and common software vulnerabilities.
  • Ability to assess code, configurations, and architecture for security issues and provide practical remediation guidance.
  • Strong documentation and communication skills to produce secure development standards, process guidance, and developer-facing artefacts.
  • Ability to collaborate with software engineers, DevOps teams, and architects to embed security into agile and DevSecOps workflows.
  • Comfortable working in fast-paced delivery environments, adapting to changing technologies, frameworks, and client contexts.
  • Desired skills

  • Familiarity with infrastructure-as-code (IaC) security practices and tooling.
  • Knowledge of container orchestration platforms and associated security tooling.
  • Awareness of compliance and assurance frameworks relevant to secure software.
  • Understanding cloud-native security services and architectures, including Zero Trust models and shift-left security practices.
  • Exposure to secure software supply chain practices, including code provenance, dependency management, and SBOM generation.
  • Ability to support security awareness and up-skilling across engineering teams through mentoring, workshops, or documentation.
  • Experience

  • Experience in cybersecurity, secure software engineering, or cloud security roles, with a strong emphasis on delivery.
  • Demonstrable experience embedding security controls and tooling into software development pipelines and DevOps environments.
  • Hands-on experience implementing or supporting secure development processes (SSDLC), code review practices, or CI/CD security integration.
  • Proven involvement in cloud-native or hybrid solution development with exposure to major cloud platforms.
  • Experience collaborating with developers, DevOps, architects, and platform teams to design and implement secure software solutions.
  • Exposure to application security tooling (SAST, DAST, SCA), cloud security services, and infrastructure-as-code security practices.
  • Track record of contributing to security documentation, standards, developer enablement, or secure coding artefacts.
  • Familiarity with agile or DevOps-based delivery models and working across multiple stakeholders or client environments.
  • Experience contributing to internal capability building, reusable templates/toolchains, or developer enablement initiatives.
  • Experience conducting or contributing to threat modelling exercises (DREAD, STRIDE-LM, PASTA) as part of design and architecture reviews.
  • What do I need before I apply

  • You must have the right to work in the UK.
  • A strong foundation in cybersecurity engineering or infrastructure security, with practical delivery experience.
  • A proactive and adaptable mindset, with the ability to work independently across diverse client environments. A passion for delivering high-quality, standards-aligned cybersecurity solutions that make a tangible impact.
  • 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

    Posted: April 1st, 2026