Application Security Analyst

Application Security Analyst

Remote (UK only)

What it's like to work at Landmark:

At Landmark, you'll find a friendly, dynamic, and supportive team that values bold ideas, big dreams, and active curiosity. We foster a culture of innovation, encouraging everyone to contribute to the development and direction of our products and services, while continuously seeking new and efficient ways to work.

Collaboration and sociability are at the heart of what we do, and we take pride in coming together to achieve great things.

We offer a range of benefits to support your well-being and career growth, including:

• Competitive Salary


• Generous Holiday Allowance: 25 days' holiday plus bank holidays, with the option of adding up to 5 additional unpaid leave days per year


• Annual Lifestyle Allowance: £300 to spend on an activity of your choice


• Pension Scheme: Matched up to 6% for the first 3 years, and up to 10% thereafter


• Private Health Insurance: Provided by Vitality


• Group Income Protection Scheme


• Charitable Fundraising: Matched funding for your efforts


• Cycle to Work and Gym Flex Schemes


• Internal Coaching and Mentoring: Available throughout your time with us


• Training and Career Progression: A strong focus on your development


• Family-Friendly Policies


• Free Parking

Join us at Landmark and be part of a team that supports your ambitions and growth, both personally and professionally.

The Opportunity

We’re looking for an Application Security Analyst to help ensure the security and integrity of Landmark’s applications across both cloud and on-premises environments. This is a fantastic opportunity to join a forward-thinking organisation at the forefront of innovation in the property technology sector.

In this role, you'll work closely with engineering and product teams to embed secure development practices, assess vulnerabilities, and strengthen our application security posture.

The role will involve:

• Managing and optimising SCA, SAST, and DAST tooling to ensure effective scanning and remediation.


• Supporting engineering teams with triage, vulnerability management, and secure coding best practices.


• Ensuring adherence to the Secure Software Development Lifecycle (SSDLC).


• Supporting risk assessments and contributing to risk management processes.


• Conducting regular security assessments and reporting findings.


• Collaborating with cross-functional teams (Engineering, Operations, Product) to meet security requirements.


• Maintaining and developing security documentation and standards.


• Staying current with emerging threats, technologies, and regulations.


• Contributing to the Security Champions programme through advice and training.


• Developing reports to track security progress and highlight gaps

About You

The Application Security Analyst will be someone with strong technical skills, a passion for security, and the ability to communicate confidently with both technical and non-technical stakeholders.

We’re looking for someone who has:

• In-depth knowledge of web application security (OWASP Top 10) and experience with SCA, SAST, and DAST tools.


• A degree in Computer Science, Information Security, or a related discipline (STEM preferred) or demonstrable experience.


• Experience in software development, QA, or software testing.


• Experience in Application Security and Vulnerability Management.


• Understanding of risk-based vulnerability management and prioritisation.


• Strong understanding of security protocols, cryptography, and authentication.


• Proficiency in programming or scripting (.NET C#, Python, Java, JS frameworks).


• Experience with open-source and enterprise security tools.


• Excellent problem-solving and analytical skills.


• A broad interest across the security domain.

About Us

Landmark Information Group holds a wide portfolio of market leading Prop-Tech (property technology) businesses that span an incredible range of markets and technology platforms across the sector.  We are at the forefront of innovation and thought leadership in the property industry, being a supplier of national property-related data.

We deliver award-winning solutions to estate agency, conveyancing, surveying, lender valuations, land asset management, environmental consultancy, and Government markets.  This is a chance to join the organisation as we make major steps forward in leveraging the latest cloud and large-scale technologies to start bringing together the entire market to a unified platform.

We are proud to be an equal opportunities employer.  We celebrate diversity and are committed to creating an inclusive environment for all employees.