Senior Security Engineer Fullstack Reactjava Jobs in UK

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Field Service Engineer {Security, Access Control, Fire}

Field Service Engineer {Security, Access Control} Borehamwood, Local patch £45,000 to £55,000 + Van + Company Benefits + Overtime + Benefits Are you a Service Engineer or similar with experience working with CCTV and Access Control ...

Operational Technology (OT) Cyber Security Analyst / Engineer

Graduate Operational Technology (OT) Cyber Security Analyst / EngineerFind out more about the daily tasks, overall responsibilities, and required experience for this opportunity by scrolling down now.3 days a week onsite (London or Leicester or Sunderland or Crewe or Derby or Luton) ...

Fire and Security Engineer (TECs / small works)

Small Works Engineer (TECS, Fire & Security) Secureshield, part of the Ranger Group Competitive Salary Based on Experience Join Our Growing Team Secureshield is growing fast as part of the wider Ranger Group, and were looking for a motiv ...

Security Systems Engineer (Access Control / Field Based)

Security Engineer (Field Based / Access Control) £45,000 - £50,000 + Door-to-Door Pay + £60k-£65k OTE + Travel Expenses Paid + Training + Progression + Company Benefits + Enhanced Holidays + Company Vehicle Surrey **UK Tra ...

Cyber Security Detection Engineer – SIEM & SOC Specialist

A UK government agency is seeking a Cyber Security Detection Engineer to join their team. The role involves the development and deployment of SIEM detection rules while collaborating with other teams to ensure effective threat detection. Candidates should have experience in log analysis, SIEM platforms, and poss ...

Staff Software Engineer, Privacy & Data Security (Remote)

A tech company focused on security is seeking a Staff Software Engineer in London. The role involves leading technical projects, developing features, and mentoring teams. Candidates should have over 10 years of experience, including SaaS product development and technical leadership. This remote-first position re ...

Network Security Engineer: Scale Secure, Automated Networks

A leading quantitative finance research firm in London seeks an experienced Network Security Engineer to design and maintain scalable network infrastructure. This role involves implementing security systems, conducting audits, and collaborating with infrastructure teams. Ideal candidates should have deep technic ...

Instrumentation & Control Engineer — Full Lifecycle & OT Security

A global engineering consultancy is seeking an Instrumentation & Control Engineer to join their team in Bristol, supporting key projects in the Energy sector. This role involves providing technical support through the entire lifecycle of control and instrumentation systems, ensuring regulatory compliance and col ...

DevSecOps Engineer Cloud Security & CI/CD Automation

A European cloud leader is seeking a talented DevSecOps Engineer in the UK. You will be responsible for enhancing the security posture across a public-sector digital screening platform using AWS and Azure. This role includes automating security controls, implementing CI/CD practices, and collaborating with vario ...

Fire & Security Service Engineer — Maintenance & On Call

A leading provider of fire and security services is seeking a skilled Fire & Security Service Engineer to join their Edinburgh team. The role involves delivering maintenance and emergency support for fire and security systems while ensuring compliance with safety regulations. Ideal candidates have relevant certi ...

DevOps / SRE Engineer Mission Critical National Security

A leading technology and engineering firm is seeking a DevOps / SRE Engineer for its National Security Business in Gloucester. You'll provide technical leadership to maintain mission-critical services and ensure operational integrity. The role offers hybrid working and the opportunity to work directly with clien ...

Cyber Security Infra Engineer — 12 Month Contract

A leading healthcare provider in Corsham is seeking a Cyber Security Infrastructure Engineer for a 12-month fixed-term contract. The role involves supporting the UK Cyber Security Team and delivering IT Infrastructure projects. Candidates should have at least 3 years of experience in security operations. The ann ...

Territory Fire & Security Service Engineer (Company Van)

A leading independent provider of fire and security products is seeking a skilled service and installation engineer in Nottingham. You will be responsible for maintaining fire alarm, CCTV, and intruder alarm systems, ensuring the highest standards of service. Exceptional communication skills and meticulous atten ...

Security Systems Engineer – Intruder, CCTV & Access Control

A leading facilities management company in Newcastle upon Tyne seeks a Security Systems Engineer. The role focuses on maintaining and servicing Intruder Alarms, CCTV, and Access Control systems. Candidates should have 3-5 years of relevant experience, technical familiarity with various enterprise solutions is pr ...

Akamai Security Engineer Hybrid (60% Office/Remote)

A leading technology firm is looking for an experienced Akamai Security Engineer to join their team in Knutsford. This role involves configuring and managing Akamai security solutions to ensure web security and performance. Candidates should have practical experience with Akamai technologies and a strong grasp o ...

Lead SOAR Engineer: GenAI Powered Security Automation

A global data and technology company is searching for a Lead SOAR Engineer in Nottingham. This role involves driving the evolution of security automation strategies and mentoring junior engineers. The successful candidate will architect solutions that integrate GenAI and oversee Agile CI/CD practices. Required q ...

Fire & Security Install Apprentice: Path to Engineer

A leading safety technology company in Birmingham seeks enthusiastic individuals to join their team and specialize in fire and security systems. This role involves learning about installation, commissioning, and maintenance of fire detection systems and security alarms while working on diverse sites. You'll deve ...

Fire & Security Install Engineer: Design, Install & Handover

A leading security solutions provider is seeking a Fire & Security Installation Engineer in Plymouth. You will install, commission, and hand over fire detection, CCTV, and security systems across commercial projects. A minimum of 5 years experience is required, along with strong technical knowledge of relevant s ...

Edge ML Security Tools & Threat Modeling Engineer

A leading semiconductor company in the UK is looking for an expert to develop security tools for Machine Learning (ML) systems. The ideal candidate will have a strong background in Computer Science or Cybersecurity, capable of performing threat modeling and ensuring compliance with security standards. Key respon ...

Operational Technology (OT) Cyber Security Networks Engineer

Bilfinger UK is a leading engineering and maintenance provider, supporting customers across the chemical & petrochemical, nuclear, oil & gas, pharmaceuticals & biopharma, power & energy, utilities, renewables and food & beverage markets. We enhance the efficiency of assets, ensuring a high level of availab ...

Lead Windows Engineer — Hybrid Cloud, Identity & Security

A leading London-based hedge fund is seeking a hands-on Lead Windows Engineer to design and own core Windows infrastructure. The role involves maintaining high-performance environments, managing Windows 11 and Server, and driving architectural decisions for scalability and security. Candidates should have 7+ yea ...

Lead Network Security Engineer (NIST / CIS) £90k

Position: Senior Network Security Engineer (NIST / CIS benchmark) Hybrid: 2 day per week in the office Location: Guildford, Surrey If you're a seasoned IT Infrastructure Engineer with extensive Network & Security experience (CIS benchmarks / NIST), this role ...

Hybrid DevSecOps Engineer: Cloud Security & CI/CD

A leading digital services provider is searching for a DevSecOps Engineer to design and secure resilient cloud platforms. You will optimize CI/CD pipelines and automate infrastructure using IaC. The ideal candidate possesses strong scripting skills and experience with major cloud providers. This hybrid position ...

Backend Engineer Intern — Build Scalable Security APIs

A leading cybersecurity firm in Belfast is seeking a backend developer with experience in Python and AWS. The role involves collaborating with cross-functional teams to enhance the Tessian product while maintaining security compliance. Ideal candidates will have a product-focused mindset and strong problem-solvi ...

Operational Technology (OT) Cyber Security Project Engineer

Bilfinger UK is a leading engineering and maintenance provider, supporting customers across the chemical & petrochemical, nuclear, oil & gas, pharmaceuticals & biopharma, power & energy, utilities, renewables and food & beverage markets. We enhance the efficiency of assets, ensuring a high level of availab ...

Multi Skilled Fire & Security Engineer – Alarms & CCTV

A recruitment agency is seeking a Multi Skilled Fire and Security Engineer in Oxford to work with essential systems like Fire Alarms, Access Control, and CCTV. They value experienced candidates who aim to advance their careers. The role offers flexibility in requirements and a salary that is negotiable based on ...

Multi Skilled Fire & Security Engineer: CCTV & Access

A recruitment agency is seeking a Multi Skilled Fire and Security Engineer in the Bicester area. The candidate will be responsible for the installation and maintenance of various security systems including fire alarms, CCTV, and access control. Experience as an engineer is necessary, though the agency is flexibl ...

Cloud Security Research Engineer – Detect & Defend Cloud

A leading cloud security company seeks a Cloud Security Research Engineer to help safeguard customer environments from cyber threats. You will research and develop innovative detection mechanisms, assess cloud service vulnerabilities, and collaborate with teams to create scalable security solutions. The role req ...

Multi Skilled Security Install Engineer – Fire & CCTV

A leading security solutions provider is seeking a multi-skilled Installation Engineer to install various security systems across the UK. The role involves working closely with clients to understand their requirements and provide exceptional service. Ideal candidates will have proven experience in security insta ...

Product Cyber Security Engineer — Hybrid (Medical Imaging)

A leading DeepTech medical imaging start-up in Oxford is looking for a Product Cyber Security Engineer to lead cybersecurity lifecycle activities for next-generation 3D imaging systems. This hybrid role involves managing vulnerability monitoring, supporting compliance with standards, and collaborating with engin ...

Hybrid Embedded Security Engineer — Secure Firmware Specialist

A recruitment agency is seeking an experienced Embedded Security Developer responsible for the secure design and implementation of embedded firmware. This role includes conducting threat modeling and applying security practices, requiring a minimum of 5 years in embedded firmware development and expertise in enc ...

Security Systems PPM Engineer — Remote Support & Upgrades

A leading security solutions provider in Reading is seeking a Remote Engineering Technician to support field engineers and resolve security system issues. The ideal candidate has 4+ years' experience with CCTV, access control, and intruder systems. Excellent customer service and communication skills are essentia ...

Multi‑Disciplined Fire & Security Engineer – Growth & Training

A leading engineering company is seeking a proactive and technically skilled Multi-Disciplined Engineer to join their team in Leeds. The successful candidate will have a strong technical background in fire alarm systems, CCTV, and access control, coupled with a customer-focused mindset. Key responsibilities incl ...

Field Service Engineer {Security, Access Control, Fire}

Field Service Engineer {Security, Access Control} Borehamwood, Local patch £45,000 to £55,000 + Van + Company Benefits + Overtime + Benefits Are you a Service Engineer or similar with experience working with CCTV and Access Control ...

SOAR/XSOAR Engineer | Cloud Security & SOC Automation

A leading cybersecurity firm is looking for a skilled XSOAR/SOAR Engineer to enhance their Professional Services capability. The role demands expertise in security operations, requiring hands-on involvement in delivering customer projects related to SOAR, SIEM, and automation. The ideal candidate will engage wit ...

Security Cleared Data Engineer for Aerospace & Defence

A leading Defence firm based in Reading is seeking a Senior Data Engineer with live security clearance to design and deliver secure, scalable data pipelines within a mission-critical Defence & Aerospace environment. The ideal candidate will have strong skills in Python and SQL, experience with ETL pipelines and ...

Maritime Network Engineer — DV Ready & Security Focus

A leading satellite communication firm in the UK is looking for a skilled network support professional. The role involves maintaining and supporting internal and customer networks, ensuring integrity and security. Candidates should have a strong background in network design and management, with experience in For ...

SC Cleared Fortinet Network Security Engineer – Derby

A fast-growing technology firm in the East Midlands is seeking a dedicated Cyber Security Engineer with a current CCNA or PCCET certification. In this role, you will implement security solutions and lead the configuration of Fortinet products while receiving full training. With a collaborative and impactful work ...

Hybrid Network Engineer Cloud, Security Focus (London)

A leading technology firm in London is looking for a Network Engineer to design, deploy, and maintain network infrastructure across on-premises and cloud environments. The successful candidate will have 5-8 years of experience, strong skills in TCP/IP and networking technologies, and the ability to work in a fas ...

National Security Data Engineer: Pipelines, Python & SQL

A leading organization in National Security, located in Gloucester, is seeking a skilled data engineer to design robust data pipelines and develop scalable solutions using Python and SQL. The candidate should have strong experience in data processing and validation within secure environments. This role offers hy ...

Oracle DB Engineer – Security‑Focused, SDLC, Automation

A leading staffing agency is seeking an experienced Oracle Database Engineer based in Christchurch. The role involves Oracle database design, SQL development, and performance optimisation, as well as automation using PowerShell in a secure, regulated environment. Ideal candidates will have strong DBA or engineer ...

Hybrid Data Engineer: Cloud Native Pipelines & Security

A leading defense technology company in Warminster is seeking a Data Engineer to join their OMNIA Training team. In this hybrid position, you will collaborate with multi-disciplinary teams to design and implement scalable data solutions. The ideal candidate will have extensive experience with cloud platforms, da ...

OT Cyber Security Engineer (Graduate) | Onsite UK

A leading technology firm in the United Kingdom is seeking a Graduate Operational Technology Cyber Security Analyst to support the integration of cybersecurity within engineering and operational teams. The role includes training and mentoring to achieve valuable cybersecurity certifications while working with a ...

Connectivity Network Engineer Cloud First & Security Lead

A leading health insurance provider is seeking a technical leader for their Connectivity team. You will guide the delivery of network solutions across the UK, focusing on operational excellence and cloud migration. The ideal candidate will have proven experience in complex network infrastructures and strong expe ...

Operational Technology (OT) Cyber Security Analyst / Engineer

Graduate Operational Technology (OT) Cyber Security Analyst / Engineer 3 days a week onsite (London or Leicester or Sunderland or Crewe or Derby or Luton) Permanent role with excellent salary + company benefits This person will receive all the training and paid qualifications to m ...

Global Network Engineer – Multi Site Connectivity & Security

A global logistics firm is seeking a Networking Engineer to support and implement infrastructure across a multi-site environment. The role involves managing firewalls, configuring routing protocols, and collaborating with teams to ensure global connectivity. Candidates must have strong networking fundamentals, e ...

Data Center Network Engineer – High Availability & Security

A leading global financial technology infrastructure provider is seeking a highly skilled and proactive Network Data Center Engineer to join its infrastructure team. In this role, you will manage data centre network equipment, ensure optimal performance, and implement security policies. The ideal candidate will ...

Identity Security Engineer: Entra, Purview, Priva Remote

A leading IT consultancy is seeking a skilled Identity SME for a remote role. The ideal candidate will engineer, automate, and secure identity and data protection across Microsoft 365, focusing on lifecycle automation, data governance, and compliance with frameworks like GDPR. Responsibilities include maintainin ...

Principal AppSec Engineer—Security Architecture Lead (EMEA)

A leading technology company in Greater London is seeking a Principal Security Engineer to lead application security reviews across complex systems. You will mentor security engineers, establish application security methodologies, and make critical architectural decisions for systems with high revenue impact. Th ...

Lead Security Engineer: Cloud & AppSec Leader (Hybrid)

A leading energy supplier in Greater London is seeking a Lead Security Engineer to join their expanding Cyber and Information Security team. In this pivotal role, you will lead a functional team, ensure security best practices, and manage security processes effectively. You’ll have ownership of projects that enh ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Senior Security Engineer Fullstack Reactjava Jobs in United Kingdom Job Search Guide, Trends and Insights