Application Security Engineer
First engineering hire into Rightmove's Application Security function: rolling out and operating security tooling (SAST, SCA, secrets scanning), managing vulnerability triage, Prisma Cloud posture monitoring, secure design/API reviews, and threat modeling with engineering teams. Python and CI/CD (GitLab) proficiency required.
- Compensation
- Not disclosed
- Location
- London, UK
- Work setup
- Hybrid
- Seniority
- Not specified
- Employment
- Not specified
- Experience
- Not specified
- Category
- Security
- Posted
Skills
Must have
- Practical experience in application security, security engineering, or a related hands-on security role
- Able to assess security findings in context, distinguish meaningful risk from tooling noise, and make pragmatic recommendations
- Working proficiency in Python (read, modify, write scripts for internal tooling)
- Practical experience with DAST/SAST/SCA/secrets scanning tools (Aikido, Snyk, Semgrep, Checkmarx, or similar)
- Experience with Prisma Cloud or a comparable cloud-native security platform
- Comfortable reading code and understanding CI/CD pipelines (GitLab CI or equivalent)
- Experience running or contributing to threat modeling exercises
- Comfortable running recurring stakeholder syncs with engineering teams
- Strong written communication skills
- Able to triage and prioritize a high volume of inbound requests independently
Nice to have
- Exposure to GCP security controls
- Familiarity with supply-chain security (npm/PyPI dependency risks)
- Prior experience in a scaling/greenfield security function
Full description
Our vision is to give everyone the belief they can make their move. We aim to make moving simpler, by giving everyone the best place to turn to and return to for access to the tools, expertise, trust, and belief to make it happen.
We’re home to the UK’s largest choice of properties and are the go-to destination for millions of people planning their next move, reading the latest industry news, or just browsing what’s on the market.
Application Security EngineerPurpose
This is the first engineering hire into Rightmove's growing Application Security function, reporting to the Lead Application Security Engineer. You'll work closely with engineering teams to deliver day-to-day AppSec capabilities across security tooling, vulnerability management, secure design, and threat modeling, while helping shape how Application Security operates as the function matures.
Key Responsibilities
- Vulnerability Management & Security Tooling
- Support the rollout and operation of application security tooling across engineering repositories, including SAST, SCA, and secrets detection.
- Triage and classify security findings across repos, driving remediation of the secrets backlog.
- Manage the day-to-day operation of vulnerability management, including findings triage, monitoring, and engineering engagement.
- Maintain engineer-facing guidance for resolving vulnerabilities and requesting exceptions.
Cloud Security
- Support cloud security posture management through Prisma Cloud, including findings triage, monitoring, and engagement with relevant engineering/platform teams.
Engineering Team Engagement
- Run a risk-tiered engagement cadence with engineering teams based on SLA compliance.
Security Reviews & Triage
- Triage inbound security requests per the AppSec triage SLA.
- Conduct secure design and API security reviews for new services, integrations, and RFCs.
- Review and respond to penetration test requests and third-party integration reviews.
Threat Modeling
- Facilitate threat modeling sessions using the team's runbook/guide.
- Work with engineering teams to establish and improve threat modeling practices across squads.
Process & Documentation
- Maintain runbooks and process documentation as the function matures.
- Support recurring review cadences (e.g. access reviews, vulnerability audits).
RequirementsMust have:
- Practical experience in application security, security engineering, or a related hands-on security role.