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Dev/Null Security

Dev/Null Security

www.devnullsecurity.co.uk

1 Job

20 Employees

About the Company

We are a cyber security consultancy that specialises in security solution architecture, engineering, implementation and operational support.

We bring decades of experience defending the highest value, hardest targeted assets and systems against the world’s most advanced threats.

We provide top tier consulting teams who add quality and value every step of the way.

Our services include:
- Strategy + Advisory
- Consulting + Managed Services
- Privileged Access Management

Contact us: hello@devnullsecurity.co.uk

Listed Jobs

Company background Company brand
Company Name
Dev/Null Security
Job Title
Security Solution Designer
Job Description
**Job Title** Security Solution Designer **Role Summary** Architect end‑to‑end security solutions that satisfy business, functional, and non‑functional requirements. Deliver architecture designs, documentation, and governance artifacts while communicating design decisions to senior leadership and non‑security technical stakeholders. **Expectations** - Deep expertise in network security, segmentation, and network access control. - Proven experience in large‑scale IT transformation and public/private cloud segmentation (MPLS/eVPN, SDN, container environments). - Ability to perform threat modelling, regulatory compliance analysis, and create traceable risk mitigation plans. - Strong documentation, presentation, and stakeholder management skills. **Key Responsibilities** - Collaborate with Security Architecture team to produce detailed design artefacts. - Create, maintain, and update end‑to‑end solution designs aligned with reference architecture and business needs. - Publish design decision records, options, and technical risk logs; manage deviations and technical debt. - Conduct multi‑layered assessments to identify segmentation opportunities and control gaps at network, platform, and application levels. - Translate regulatory requirements (e.g., DORA) into design controls and ensure traceability from policy to execution. - Embed security controls into product roadmaps and support implementation of the Network Segmentation Target Operating Model. - Serve as SME for engineering, architecture, and service operations, ensuring cohesive design implementation. - Ensure all artifacts undergo peer review and architectural governance before approval. **Required Skills** - Network security expertise (firewalls, segmentation, SDN, MPLS/eVPN). - Cloud segmentation (public, private, container) and macro‑/micro‑segmentation. - Threat modelling, security assessment, regulatory interpretation. - Documentation and design tools: BizzDesign, Archi, or UML. - Project tools: Jira, Confluence. - Excellent verbal and written communication; ability to explain complex security concepts to non‑security audiences. **Required Education & Certifications** - Bachelor’s or Master’s degree in Cybersecurity, Computer Science, Software Engineering, or related field. - CISSP, CISM, or equivalent broad cybersecurity certification. - Networking or Infrastructure industry‑recognized certification (e.g., CCNA, CCNP, Network+).
United kingdom
Hybrid
19-02-2026