network security detection engineer jobs in London

Security Engineer - Detection Engineering London or New York We're working with a growing investment fund looking for a Security Engineer to build and strengthen its security foundations. This is primarily a Detection Engineering role, with ownership of designing and building the detection and response platform in a greenfield environment. The Role You'll...

About Refractal Refractal is an AI security company building the infrastructure organisations need to defend against autonomous AI threats. 2026 has shown that generally capable intelligence is here. The challenge now is modernising security to stop AI-enabled threats, whether they come from internal agents going rogue or from attackers using AI to become...

ОписаниеRoblox provides a platform and tools for a global community to create immersive 3D digital experiences. Its vision is to bring people together through shared experiences and connect a billion people with optimism and civility.ЗадачиDesign, write, and maintain production-quality detections, automations, integrations, SOAR playbooks, and...

Ref: 23594 Job Title: Network & Security Engineer The Skills You'll Need: CCNA, CCNP, security Your New Salary: £45,000 p.a. Location: London Permanent/ Full-time Start: ASAP Working hours: 35 hours Key Responsibilities: * Design, implement and support enterprise network, security and cloud connectivity solutions. * Participate in solution...

LMAX Group is seeking a Security Engineer to design, implement, and monitor security controls across on-premises and cloud environments. You will identify vulnerabilities, automate processes, and work with a cross-functional team to align security with business goals.You will support audits, manage security infrastructure, and contribute to incident response...

Security Monitoring & Detection Engineering Lead Help protect the trust behind investing. At AJ Bell, we believe investing should feel good. For our customers to feel confident about their investments, they need to know that the technology, data and services behind them are secure. As our Security Monitoring & Detection Engineering Lead, you'll play a...

Security Systems Engineer (Intruder Detection) Banstead (South East Patch) £38,000 - £45,000 (OTE £50,000)+ Progression + Company Van + Training + Overtime Are you a Security Engineer or similar, looking for a stable and secure role within a long-standing and successful business, and the opportunity to boost your earnings through overtime? Do you want to...

Network Security Engineer opportunity - 6 month Contract - Quantitative Technology - LondonLooking for an experienced Network Security Engineer with a strong background in designing and operating high-performance, resilient network security infrastructureYou'll work across a global environment supporting highly technical research and technology operations,...

About CACIFrom 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...

Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more. Opticore IT are currently searching for a Network Security Engineer to...

Responsibilities About the team The TikTok USDS network security team safeguards U.S. user data, end-users, and the internal corporate environment by architecting a strict, zero-trust digital perimeter. They continuously monitor network traffic to proactively detect and neutralize cyber threats across the organization. Additionally, the team engineers...

Harrington Starr seeks a Security Engineer focused on Detection Engineering in a greenfield setup. You will own the detection and response platform, shaping security controls across applications, infrastructure and cloud in a fast-growing environment.You will collaborate with the CISO, engineering and operations to evolve security architecture, monitor...

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you're a close but not exact match with the...

A leading financial technology and data science firm requires a Senior Network Security Engineer to design, deploy and operate high-performance network security solutions in support of (but not limited to) financial trading infrastructure.The Network Security Engineer is responsible for securing the network perimeter/edge and Cloud in a highly complex...

Do you want to work for a global quant trading firm?You will be working with an organisation that is known for the quickest and most technologically advanced infrastructure in the world. You will work with people that are passionate about their work, there are no siloes and you will be encouraged to be proactive and throw yourself in the deep end of...

Network Security Engineer - Firewall Rule Optimization (AlgoSec) | £400 - £450 per day (Inside IR35) | 6-month initial contract | Start: ASAP | On site, 4-5 days per week in Manchester Our client is looking for a Network Security Engineer to reduce risk from overly permissive firewall rules and routing that bypasses proxy controls. This is a hands-on...

A growing real estate business is looking for a Network & Security Engineer to support and develop its core infrastructure as the organisation expands and brings more IT capability in-house.This role will focus on maintaining a secure, scalable network environment across multiple sites, with a strong emphasis on Cisco Meraki and Microsoft technologies.Key...

Overview Stats Perform is the market leader in sports tech. We provide the most trusted sports data to some of the world's biggest organizations, across sports, media, and broadcasting. Through the latest AI technologies and machine learning, we combine decades' worth of data with the latest in-game happenings. We then offer coaches, teams, professional...

AWTG, a leader in 5G systems integration and application development, is looking for an IT and Network Security Engineer.As a Network Security Engineer, you'll work across various domains including RAN, Mobile Core, IP Routers, Ethernet switches, Data center switches, Firewalls, Load balancers, SD-WAN, RADIUS, DHCP, and DNS. Your responsibilities will...

Job DescriptionSecurity Systems Engineer (Intruder Detection)Banstead (South East Patch)£38,000 - £45,000 (OTE £50,000) + Progression + Company Van + Training + OvertimeAre you a Security Engineer or similar, looking for a stable and secure role within a long-standing and successful business, and the opportunity to boost your earnings through overtime?Do...