LT Harper - Cyber Security Recruitment

About the Company

At LT Harper we specialise in cyber security recruitment. We believe in providing an individualised, transparent service to our customers whether they are looking for a new opportunity or to hire talent.

Listening to our customers & building relationships is key to our success. We aim to offer a bespoke service to you by listening to what is important to you and tailoring our services to meet your specific needs. That includes simply providing advice or guidance if you aren't quite ready to take the jump and hire someone or make a job move.

We want to make your recruitment process stress free & rewarding by offering you support & guidance at every step of the way. Our extensive recruitment experience & excellent relationships within the Cybersecurity space mean that we can give you access to a varied choice of companies from innovative, tech forward disruptors to traditional corporations.

We work exclusively in the Cybersecurity sector so we are constantly gathering information specifically related to the industry & have a thorough knowledge of the talent pools available & companies with plans to add headcount that generalist IT Recruitment agencies may lack. We can help you understand what the trends are in the market, how to attract & retain the best talent & how to secure the most exciting roles.

We are passionate about making an impact by helping address the skills shortage in the Cybersecurity sector & making your experience with us a positive one.

Listed Jobs

Company Name

LT Harper - Cyber Security Recruitment

Job Title

Senior AI / ML Engineer

Job Description

**Job Title:** Senior AI / ML Engineer **Role Summary:** Design, develop, and deploy production‑grade machine learning and generative AI solutions that enhance cybersecurity products. Collaborate with product, engineering, and data teams to integrate large language models (LLMs), embeddings, and retrieval‑augmented generation (RAG) pipelines into scalable, cloud‑native platforms. **Expectations:** - Deliver robust, production‑ready AI systems that address real‑world security challenges. - Maintain high code quality, reproducibility, and performance standards. - Stay current with state‑of‑the‑art AI/ML research and apply it to product development. - Communicate technical concepts clearly across multidisciplinary teams. **Key Responsibilities:** - Design and implement end‑to‑end ML pipelines and AI services for a cybersecurity platform. - Integrate LLMs, generative AI models, and RAG workflows into product features. - Build and maintain scalable AI infrastructure using cloud‑native technologies. - Conduct experiments in Jupyter notebooks, evaluate model performance, and iterate quickly. - Collaborate with product managers and engineers to translate business requirements into AI solutions. - Monitor, troubleshoot, and optimize deployed models in production environments. **Required Skills:** - Proficiency in Python and ML libraries (PyTorch, scikit‑learn). - Hands‑on experience with large language models, embeddings, and retrieval‑augmented generation. - Strong background in building cloud‑native, scalable AI systems (AWS, Azure, GCP or equivalent). - Expertise in model training, evaluation, deployment, and monitoring. - Familiarity with CI/CD for ML (MLOps) and containerization (Docker, Kubernetes). - Ability to work cross‑functionally and communicate technical ideas to non‑technical stakeholders. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Electrical Engineering, Data Science, or a related quantitative field (Master’s or Ph.D. preferred). - Relevant certifications (e.g., AWS Certified Machine Learning – Specialty, Google Cloud Professional Machine Learning Engineer) are a plus.

United kingdom

Remote

Senior

09-03-2026

Company Name

LT Harper - Cyber Security Recruitment

Job Title

Security Architect - SC Clearance

Job Description

**Job Title** Security Architect – SC Clearance **Role Summary** Design and strengthen secure cloud, network, and end‑user environments for a large communications and digital infrastructure organization. Collaborate with the SOC and cross‑functional teams to architect, automate, and improve security controls, conduct threat hunting, vulnerability assessment, and incident response while ensuring compliance with PCI‑DSS and other industry standards. **Expectations** * Established expertise in Azure and enterprise cyber‑security architecture * Proven experience with threat detection, incident response, vulnerability management, and security automation * Ability to work effectively with SOC, network, and application teams * Strong communication skills for translating technical findings into actionable recommendations **Key Responsibilities** - Design secure enterprise cloud, network, and end‑user environments - Configure and manage Microsoft Sentinel, Defender for Cloud, and Conditional Access (Entra ID) - Support WAN/LAN/Wi‑Fi network architecture and security - Conduct threat hunting, vulnerability assessments, and incident response - Analyse logs using Kusto Query Language (KQL) - Automate security tasks and workflows (Power Automate, scripts) - Collaborate with SOC and technology teams to identify and remediate cyber risks - Support PCI‑DSS compliance and security best practices across the organization **Required Skills** - Azure cloud architecture (Subnets, NSG, VNET, VNet‑Peering, etc.) - Microsoft Sentinel, Defender for Cloud, Entra ID, Cisco Umbrella, Nessus, Power Automate, SCCM, Intune, SQL, Power BI - Log analysis with KQL; scripting in Python/C#/C++ - Networking fundamentals (CCNA or equivalent) - Incident response, threat detection, vulnerability management - Security automation and workflow orchestration **Required Education & Certifications** - CISSP, CEH, or Azure Security (SC‑100 / SC‑200) preferred - SC Clearance (or eligibility) required

London, United kingdom

Hybrid

16-03-2026