Contract Network Security Engineer (NAC Specialist) Location: City of London (3–4 days per week on-site) Contract Length: Initial 3 months Rate: £500–£600 per day (Inside IR35) We are working with a leading global IT services provider on a contract engagement supporting a large, highly regulated financial services organisation in the City of London. The engagement focuses on a Network Access Control (NAC) policy cleanup and remediation programme, aligning access controls to least privilege, zero trust, and vendor best practices. This role requires a senior, hands-on Network Security Engineer with deep NAC expertise who can operate confidently across security engineering and network operations teams. Key Responsibilities<ul><li>Review and remediate existing NAC exception policies to ensure alignment with organisational standards and vendor best practices</li><li>Identify and remove overly permissive or misaligned access exceptions, including inappropriate MAC-based policies</li><li>Enforce deny-by-default, allow-list access models using identity, device type, and posture</li><li>Implement and refine device profiling and posture validation rules</li><li>Improve role-based access control and dynamic policy enforcement (e.g. VLAN assignment)</li><li>Perform gap analysis against NAC vendor best practices</li><li>Collaborate closely with Security Engineering and Network Operations teams during remediation</li><li>Ensure changes follow formal change control processes</li><li>Produce clear documentation including: <ul><li>NAC exception audit reports (pre- and post-remediation)</li><li>Updated access control matrices</li><li>Final remediation and validation summaries</li><li>Executive-level summaries for stakeholders</li></ul></li></ul>Required Skills & Experience<ul><li>Strong hands-on experience with enterprise Network Access Control (NAC) solutions, such as: <ul><li>Cisco ISE</li><li>Aruba ClearPass</li><li>Forescout</li><li>FortiNAC</li></ul></li><li>Deep knowledge of: <ul><li>802.1X, RADIUS / TACACS </li><li>Device profiling and posture assessment</li><li>Identity-based access control (user device)</li><li>Least privilege and Zero Trust principles</li></ul></li><li>Experience remediating NAC environments with large numbers of legacy or overly permissive exceptions</li><li>Strong enterprise networking background (switching, VLANs, campus networks)</li><li>Ability to work effectively in regulated, security-conscious environments</li><li>Comfortable producing technical documentation and engaging with senior stakeholders</li></ul>Desirable Experience<ul><li>Financial services or other highly regulated industries</li><li>Certificate-based authentication / PKI</li><li>Integration with directory services (e.g. AD / Azure AD)</li><li>Logging, alerting, and SIEM integration</li><li>Previous NAC redesign or cleanup engagements</li></ul>Working Arrangements<ul><li>3–4 days per week on-site in the City of London</li><li>Initial 3-month contract with potential extension</li><li>£500–£600 per day, Inside IR35</li></ul>

NAC Engineer

Data Analyst – Fully Remote £45,000 | No Sponsorship We’re looking for a Data Analyst with strong SQL skills and experience delivering Power BI reports, working closely with commercial data. Key skills: <ul><li>Strong SQL</li><li>Power BI reporting & dashboards</li><li>Experience with campaign and prospect data</li><li>CRM experience (Dynamics preferred, Salesforce or similar welcome)</li></ul>This is a fully remote role with no sponsorship available.

Commercial Data Analyst

AI Pre-Sales Integration Architect  I am working with a leading technology services organisation seeking a senior AI Pre-Sales Integration Architect to act as the technical authority between customers, sales teams, and delivery architects. This is a customer-facing, pre-sales and solution architecture role, focused on shaping and positioning AI solutions rather than pure research or back-office delivery. You’ll lead AI engagements end to end — from early discovery and use-case definition through to high-level architecture and platform design. The role covers areas such as Predictive AI, Machine Learning and Generative AI, MLOps, data pipelines and modern AI platforms, across both cloud and private infrastructure. Alongside customer work, you’ll contribute to the development of AI offerings, standards and propositions, while supporting and mentoring other architects within the wider team. Key Responsibilities •    Act as the AI subject matter expert in customer engagements, working directly with business stakeholders, data teams and IT operations. •    Lead discovery and design of AI strategies, governance models and platform architectures aligned to business outcomes. •    Design end-to-end AI solutions, including data ingestion, feature engineering, ML/GenAI models, MLOps and deployment. •    Support pre-sales activity, including solution shaping, technical validation, demos and customer presentations. •    Bridge multiple technology domains (cloud, hybrid infrastructure, data platforms, security, DevOps) into cohesive AI solutions. •    Contribute to the evolution of AI propositions, offerings and best practices. •    Mentor and support less experienced team members, contributing to team-wide capability development. Skills & Experience Required •    5 years’ experience in AI / ML, data platforms, MLOps or advanced analytics roles. •    Recognised as a technical expert by colleagues, partners and customers. •    Strong hands-on knowledge of AI/ML frameworks such as PyTorch, TensorFlow, scikit-learn. •    Experience working with cloud AI platforms (AWS, Azure or GCP). •    Exposure to private / on-prem AI platforms (e.g. NVIDIA-based stacks, private AI platforms). •    Solid understanding of data engineering concepts (ETL, data lakes, Spark or similar). •    Experience designing scalable, distributed systems. •    Familiarity with model lifecycle management and MLOps practices. •    Proven ability to align AI initiatives to business outcomes and shape practical use cases. •    Experience in client-facing and pre-sales environments. •    Broad technology background, with depth in at least one of: Cloud, Hybrid Infrastructure, Workspace or Security. •    Strong commercial awareness; channel or partner experience is advantageous. •    Experience mentoring or leading small teams is a plus. Personal Attributes •    Credible, ambitious and accountable, with the confidence to influence senior stakeholders. •    Clear, concise communicator — comfortable presenting complex concepts to both technical and non-technical audiences. •    Detail-oriented, organised, and able to manage multiple priorities in a fast-moving environment. •    Naturally curious, with a strong appetite for learning and staying current with AI trends. •    Proactive, pragmatic, and delivery-focused with a strong “can-do” mindset. •    Willing to travel occasionally while maintaining a healthy work–life balance.

Remote - AI Pre-Sales Integration Architect

Job Position: Software Engineer (m/f/d) – 8DAX1 R&D SW Platform Core & Data Services Location: Dresden, Germany Working Hours: Full-time, 40 hours per week Start Date: January 1, 2026 Contract Duration: Up to 24 months Remote Work: Up to 60% possible after initial onboarding; no fully remote work available Security Clearance: Standard nationalities list applies; No NfD or Ü2 required Career Starters: Not suitable Core Responsibilities – Software Engineer Dresden<ul><li>Development & Maintenance of Core Platform Services: Design, develop, and maintain critical services including Single Sign-On (SSO), Multi-Factor Authentication (MFA), user and group management, and data persistence solutions.</li><li>Microservices Architecture: Contribute to the evolution and implementation of scalable, maintainable, and secure service-oriented architectures.</li><li>Technology Stack Implementation: Build, deploy, and manage containerized services using Java, Golang, C#, and/or C within a Kubernetes environment.</li><li>Collaboration & Delivery: Work closely with development, product, and security teams throughout the full software development lifecycle (SDLC) to deliver high-quality, secure solutions.</li></ul>Required Qualifications<ul><li>Education & Experience: Bachelor's degree in Computer Science or related field, with 2 years of hands-on software development experience.</li><li>Technical Proficiency: Strong knowledge of Java, Golang, C#, and/or C , authentication and authorization protocols (OAuth2, OIDC, SAML), user and permission management, event-driven infrastructures, and security in service-oriented architectures (SOA).</li><li>Database & Data Pipeline Knowledge: Experience with PostgreSQL, MongoDB, Redis, Kafka, Flink, and cluster management tools like Patroni or Strimzi.</li><li>Cloud & Containerization: Familiarity with Docker and orchestration platforms such as Kubernetes.</li><li>DevOps & Agile Practices: Hands-on experience with CI/CD pipelines, Git version control, and agile development methodologies.</li><li>Tool Proficiency: Advanced knowledge of Gitlab/Git, Docker, Kubernetes, and at least one programming language from Java, Golang, C#, or C .</li></ul>Bonus Skills (Optional)<ul><li>Experience with Identity Providers (e.g., KeyCloak, Okta) and MFA solutions.</li><li>Knowledge of Secret Stores, Vaults, and certificate management.</li><li>Familiarity with Service Registries and security aspects of service-oriented systems.</li><li>Advanced experience with databases, data pipelines, and event-driven systems.</li><li>Exposure to workflow automation, orchestration, and cluster-capable architectures.</li><li>Knowledge of modern web technologies and front-end integrations.</li></ul>Why Join Us in Dresden<ul><li>Be part of a cutting-edge R&D software platform team focusing on core and data services.</li><li>Work in a collaborative environment that values security, scalability, and innovation.</li><li>Opportunity to develop skills in microservices, cloud-native architecture, and containerized environments.</li></ul>

Software Engineer (m/f/d) – 8DAX1 R&D SW Platform Core & Data Services - Hybrid in Dresden (24 Month Contract)

​With over 15 years of experience working for Xcede, Paul is currently our Senior Principal Consultant in Analytics across the UK and Europe. Leveraging his diverse range of talent acquisition experience, Paul has helped a range of organisations to expand their technology teams. Paul consults on a wide range of analytics-focused roles across all levels, from Customer Insights, Marketing Analysis, Database Marketing and Campaign Management, to Direct Marketing, Email Marketing, Forecasting and beyond. Specialists with proven experience in SQL, Python, and R can contact Paul to discuss the latest Analytics roles. 

Commercial Data Analyst

APPLY FOR THIS JOB

Paul Culmer

Latest Jobs