Senior Network Security Engineer jobs in Clerkenwell

You will collaborate closely with engineering, infrastructure, cloud, and DevSecOps teams to embed security by design. Key Responsibilities - Design and support enterprise-scale network security architectures - Assist with security deployments and infrastructure design from concept through implementation

You will collaborate closely with Network, Infrastructure, and Application teams to ensure that "secure-by-design" solutions are woven into the fabric of the entire ecosystem. Key ResponsibilitiesHybrid Architecture & Governance: Design and implement security controls across Azure, on-prem servers, and SaaS applications while maintaining hardening standards based on CIS and NIST benchmarks.

Senior Fire & Security EngineerLocation: London (Field-Based) Salary: Up to £47,000 + Overtime & BenefitsA leading national fire & security provider is seeking an experienced Senior Fire & Security Service Engineer to join their service team in London. This role focuses on complex maintenance, diagnostics and customer support across major commercial contracts, with opportunities to lead, mentor...

You will develop standards, specifications, and integration solutions, ensuring security systems meet operational and technical requirements.

About CACI From our headquarters in London, we’re busy empowering organisations to make bold, strategic moves with the power of data and technology. Founded in 1975, our operations take place from multiple offices across the UK, Europe and India with over 1600 full-time employees and an annual turnover of £179m. Our expertise spans industries, from retail and education to public sector and...

Senior Security Consultant (AI) Location: London, UK | Full-time Function: Cyber Security / AI Security Industry: National Security / Defence / Technology Salary: Up to £76,000 (DOE) + Security Clearance Bonus (£7k tax-free once DV, paid quarterly) About the Role Our client is a leading digital intelligence organisation with experts across multiple countries, working with governments, armed...

You will be a cornerstone of our project teams, managing timelines, coordinating across multiple stakeholders, and ensuring that all deliverables meet our standards of excellence.

You will be instrumental in managing programmes, resolving delivery issues, and ensuring our clients are delighted with the outcomes.

Security Design Engineer Location: London 1 Year Contract - Inside IR35 Looking for a Security Design Engineer to help design and embed secure architecture across enterprise technology platforms. This role focuses on building security into infrastructure and application designs while aligning with regulatory and internal security standards. What you’ll be doing: - Embed security into...

The Design Engineer will be responsible for the design, development, and coordination of electronic security and smart building systems, including CCTV, access control, and integrated building technologies. The role involves supporting tender submissions, engaging directly with clients, and ensuring solutions meet technical, operational, and commercial requirements.Key ResponsibilitiesSystem...

Senior Security Risk Specialist – Contract Location - London (Hybrid – 2 days onsite in Bank) Term: 6 months Rate: £650 per day (Inside iR35) We’re looking for a Senior Security Risk Specialist to support a technology company’s Security Risk Management function. Reporting to the Head of Security Risk & Assurance, this hands-on role focuses on designing, improving, and operating security risk...

You will work as part of a collaborative team, ensuring nLighten’s physical security strategy is embedded by managing all the physical security aspects at all of nLighten sites. Key Responsibilities

You should have experience as a principal engineer in consultancy, design and implementation, with a strong understanding of local regulations and industry best practices, looking to aid in the development of a specialist Cyber Security specialist offering.

The Role We are hiring Full-Stack Data Engineers across multiple levels (Junior through Senior Manager) to design, build, and deliver secure, scalable data solutions for complex client environments. This is a hands-on engineering role where you will work across data ingestion, transformation, operational workflows, and decision-support systems. You’ll partner closely with client stakeholders to...

Salary: £45,000–£52,000 DOE + paid travel time + overtime opportunities Holidays: Minimum 31 days (incl. bank holidays), increasing with service Location: Predominantly Essex, London & surrounding counties Fortus Recruitment are a recruitment company that specialise in placing people within the repairs & maintenance industry We are currently working on behalf of a Local Authority. We're...

You will have extensive consulting experience, expert-level certifications (CCIE/CCNP/VCAP), deep expertise in SD-WAN, network security, and OSS platforms, with proven ability to lead enterprise-scale transformation projects and engage C-level stakeholders. Key Responsibilities

You will also be responsible for the Sales Training function, with three direct reports. This will enable you to close the loop and deliver the training suite that will help us deliver on the strategy.

You will be client-facing, commercially aware, and capable of driving programme, quality, and safety across multi-disciplinary teams. Key Responsibilities

About The Role: We are seeking a skilled and motivated Physical Security Consultant to join our team and deliver high-quality, risk-led physical and electronic security solutions for some of the world’s leading companies. The ideal candidate will have experience in security system design, project delivery, and a consultative approach to understanding and addressing client security...

You will collaborate closely with Network, Infrastructure, and Application teams to ensure that "secure-by-design" solutions are woven into the fabric of the entire ecosystem. Key ResponsibilitiesHybrid Architecture & Governance: Design and implement security controls across Azure, on-prem servers, and SaaS applications while maintaining hardening standards based on CIS and NIST benchmarks.

Experience Level 10+ years of hands-on experience in large-scale, production network environments Role Overview The Senior Network SRE (Site Reliability Engineer) is responsible for designing, operating, and continuously improving highly available, scalable, and observable network infrastructure. This role blends deep networking expertise with SRE principles, automation, and software-driven...