Senior Security Engineer in Portsmouth

Senior Security Engineer in Portsmouth

Portsmouth Full-Time 60000 - 80000 ÂŁ / year (est.) No home office possible
Checkatrade

At a Glance

  • Tasks: Lead security engineering and operations to protect our home improvement marketplace.
  • Company: Join Checkatrade, the UK's top platform for finding trusted tradespeople.
  • Benefits: Enjoy competitive salary, bonuses, health support, gym membership, and more!
  • Why this job: Make a real impact by securing systems that help millions of homeowners.
  • Qualifications: Hands-on experience in security operations and a passion for AI-driven solutions.
  • Other info: Dynamic environment with opportunities for growth and innovation.

The predicted salary is between 60000 - 80000 ÂŁ per year.

As our next Senior Security Engineer, you’ll play a key role in helping us build the UK’s go-to home improvement marketplace. By shaping and strengthening our security posture, you’ll ensure our platform remains safe, resilient, and trusted as we scale. Your work will directly support millions of homeowners in finding the right tradesperson for the job fast, fair, and without the faff by protecting the systems and data that power those connections.

Forget long lists, here’s what you’ll actually spend your time on:

  • Security Engineering & Architecture: Lead the design and implementation of highly available, scalable security controls and services across a multi‑cloud environment.
  • Security Operations & Incident Response: Mature and lead detection, analysis, and containment capabilities, driving post‑incident remediation and preventative measures.
  • AI‑Driven Security Transformation: Spearhead the evaluation, prototyping, and deployment of agentic AI patterns to automate security tasks, enhance threat detection, and transform engineering throughput. Build and refine AI agents to augment the security team’s capabilities.
  • Tooling & Automation Mastery: Take ownership of the security tooling lifecycle, from evaluation and deployment to configuration and continuous maturity across infrastructure.
  • Secure Onboarding & Assurance: Perform technical deep‑dive security reviews for new applications, development stacks, and infrastructure changes, enforcing the principle of least privilege.

It’s not about ticking every box. It’s about turning up curious, ready to crack on. You’ll do well here if you bring:

  • A seasoned practitioner: With demonstrable, hands‑on experience across Security Operations, Incident Response, and Security Engineering.
  • An AI‑forward builder: With a strong technical perspective on how agentic patterns, machine learning, and human‑in‑the‑loop design can transform security engineering practices, alongside a genuine passion for building AI‑powered security solutions.
  • A systems thinker and standardiser: Applying a holistic, system‑level approach to security challenges, standardising processes and technology where it adds maximum value while enabling autonomy for development teams.
  • A technical doer and transformer: Comfortable working directly with code and infrastructure, eager to learn new technologies, and committed to challenging the status quo to drive meaningful change.
  • Resilient and adaptable: Thriving in high‑intensity, demanding environments where expectations are high and pace is fast.
  • Cloud‑agnostic: Bringing extensive experience securing complex, distributed multi‑cloud environments (e.g., AWS, GCP, Azure).
  • Technically deep in networking and infrastructure: With strong exposure to modern networking, platform engineering, and infrastructure‑as‑code practices.

We believe great work deserves great rewards. Here’s just a taste:

  • Competitive salary + annual bonus
  • Employee Share Program
  • Health, well‑being and learning support
  • Gym membership, Smart Tech Scheme and Cycle Scheme
  • Birthday/Special day leave
  • Buy & sell holiday scheme
  • 1 week’s paid charity leave and much more!

How we’ll get to know each other:

  • Screening call with one of our Talent Acquisition Partners
  • 1st stage interview with the Hiring Manager - Head of Information Security
  • 2nd Stage interview with Hiring Manager & Director of Engineering

If this sounds like the place where you can do your best work, we’d love to hear from you, even if you don’t tick every box.

Want to join our Talent Community and be one of the first to know about our vacancies? Register your interest on our Registration Form.

About us: We’re Checkatrade – the UK’s leading platform for finding a tradesperson. With more than 50,000 trades listed and over 6 million reviews, we help homeowners get jobs done right and help tradespeople grow their business. We’re growing fast, with big plans to become the go-to brand for home improvements. If you care about great work, take pride in the details, and want to make an impact, you’ll fit right in.

Senior Security Engineer in Portsmouth employer: Checkatrade

At Checkatrade, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration. As a Senior Security Engineer, you'll not only play a pivotal role in enhancing our security posture but also benefit from competitive salaries, an employee share programme, and extensive well-being support. With opportunities for personal and professional growth in a fast-paced environment, you'll be part of a team dedicated to making a meaningful impact in the home improvement marketplace.
Checkatrade

Contact Detail:

Checkatrade Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Security Engineer in Portsmouth

✨Tip Number 1

Network like a pro! Reach out to folks in the industry on LinkedIn or at local meetups. A friendly chat can open doors that applications alone can't.

✨Tip Number 2

Show off your skills! Create a portfolio or GitHub repo showcasing your projects, especially those related to security engineering and AI. This gives you a chance to demonstrate your hands-on experience.

✨Tip Number 3

Prepare for interviews by diving deep into the company’s tech stack and security practices. Tailor your responses to show how your experience aligns with their needs, especially in multi-cloud environments.

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team.

We think you need these skills to ace Senior Security Engineer in Portsmouth

Security Engineering
Security Architecture
Incident Response
Security Operations
AI-Driven Security Solutions
Machine Learning
Infrastructure-as-Code
Multi-Cloud Security
Networking
Technical Deep-Dive Security Reviews
Automation
Systems Thinking
Adaptability
Problem-Solving

Some tips for your application 🫡

Show Your Security Passion: When you’re writing your application, let your enthusiasm for security shine through! Talk about your hands-on experience and how you've tackled security challenges in the past. We want to see that you’re not just ticking boxes but genuinely excited about making our platform safer.

Tailor Your Application: Make sure to customise your application to highlight your relevant skills and experiences that align with the role. Mention specific projects or technologies you've worked with that relate to security engineering and AI-driven solutions. This helps us see how you fit into our vision!

Be Clear and Concise: Keep your application straightforward and to the point. Use clear language and avoid jargon where possible. We appreciate a well-structured application that makes it easy for us to understand your qualifications and how you can contribute to our team.

Apply Through Our Website: Don’t forget to submit your application through our website! It’s the best way for us to receive your details and ensures you’re considered for the role. Plus, it shows you’re keen on joining our community right from the start!

How to prepare for a job interview at Checkatrade

✨Know Your Security Stuff

Make sure you brush up on your knowledge of security engineering and operations. Be ready to discuss specific tools and techniques you've used in multi-cloud environments, as well as any incident response experiences. This will show that you're not just familiar with the theory but have hands-on experience.

✨Show Off Your AI Passion

Since this role involves AI-driven security transformation, be prepared to talk about your experience with machine learning and agentic patterns. Share examples of how you've implemented AI solutions in security contexts, and express your enthusiasm for building innovative security systems.

✨Demonstrate Your Systems Thinking

Highlight your ability to take a holistic approach to security challenges. Discuss how you've standardised processes or technologies in previous roles to add value while allowing teams to work autonomously. This will resonate well with their focus on systems thinking.

✨Be Ready for Technical Challenges

Expect some technical questions or scenarios during the interview. Prepare to discuss your coding skills and infrastructure knowledge, especially around networking and infrastructure-as-code practices. Showing that you're comfortable tackling complex problems will set you apart.

Senior Security Engineer in Portsmouth
Checkatrade
Location: Portsmouth

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