EY

Vulnerability & Application Security Engineer

EYhttps://static.whatjobs.com/static/ajCore/img/jobPosting/companyLogo/whatJobs_ob_default.png United Kingdom Posted 23 Oct 2026 Closing: 22 Nov 2026
Permanent Hybrid

Role Description & Technical Scope

The opportunity

The Technology Assurance, Risk, and Policy (TARP) function within Information Security strives to create and promote a holistic Governance, Risk, and Compliance (GRC) program by creating a robust, resilient, and proactive governance framework, supported by a strategic risk management approach and stringent compliance structures. It aims to integrate and align its GRC initiatives in line with the global firm's objectives and emerging threats within the cybersecurity landscape.

The Technology Assurance team develops provides security assurance on EY’s deployed technology to internal and external stakeholders. The team members act as subject matter experts across a number of information and cyber security disciplines that include, among others, application and network penetrating testing and vulnerabilities identification, information security audits, compliance to cyber security and regulatory frameworks, and conducting or coordinating security audits and assessments. All applications must pass through security review prior to EY production usage. Security Certification checks the compliance of the application against EY security standards. The team develops the overall strategy and for implementing various technical attack and penetration assessment, information security audits like HITRUST, SOC 1 and SOC 2 to provide third-party assurance to EY’s Clients in EY’s senior leadership. The team is responsible of overseeing and leading the technical audit process that includes third-party external assessments of client-facing critical business applications, M365 Teams Apps, Network, cloud configuration reviews, infrastructure reviews, UK Cyber Essentials Plus Certification and UK IT Health Check Certification. The team manages Attack and Penetration testing controls based on Industry Standards and obtain third-party security attestations/certifications to enable EY Business to win in the market. The team also manages and maintains the firm’s ISO 27001 certifications is responsible for the end-end delivery of attestation audits like SOC 1 and SOC2. Technical compliance to regulatory framework like Internation Standard on Quality Management (ISQM) is also a responsibility of the team.

An Information Security Analyst will work closely with team leads to assist with one of the security functional areas described above.

Your key responsibilities

  • Preparing detailed security review reports and remediation guidance
  • Researching new application security vulnerabilities and attack vectors
  • Support the team in updating their skill and knowledge
  • Leading strategic initiatives and mentoring new team members
  • Continuous improvement to improve quality of service
  • Configure, manage, and update vulnerability assessment tools to ensure they are running optimally and providing accurate results
  • Skills and attributes for success

  • Hands on experience of Web, thick client, Mobile, VOIP, Wireless application security testing
  • Proficient in automated and manual application testing methodologies
  • Expert in using manual testing tools such as Burp Professional, Nmap, Wireshark, Nessus, echomirage
  • Expert in using automated application scan tool Webinspect / Qualys WAS, CheckMarx, WhiteSource etc..
  • Basic Knowledge of programming language like C/C++, C#, JAVA, and familiar with PERL/Python Scripting
  • Basic understanding of secure coding principles and common coding vulnerabilities (, OWASP Top Ten). This helps in identifying vulnerabilities during code reviews and collaborating with development team
  • Knowledge of common security requirements within & Java application
  • Good knowledge of TCP/IP, Network Security
  • Hands-on experience in testing AI integrated projects
  • Capable of testing both Android & iOS based applications
  • Knowledge to perform manual code review
  • Good Technical aptitude, problem solving and ability to quickly learn and master new topics and domains
  • Excellent communication skills; written and verbal
  • To qualify for the role you must have

  • 1 to 6 years of experience in application security assessment
  • Hands on experience of Web, thick client, Mobile Application security reviews
  • Exposure and good understanding of the various manual testing methodologies
  • Knowledge of how vulnerabilities can lead to incidents and the role of vulnerability assessments in incident detection and response
  • A grasp of how applications, networks, and systems are architected from a security perspective. This includes understanding security controls like firewalls, IDS/IPS, and encryption
  • Must be a strong multi-tasker and be able to prioritize duties
  • Ideally, you’ll also have

  • Bachelors or above in Information Technology or Cyber Security related Degrees
  • Keen interest in pursuing relevant Information Security Certifications like CEH, OSCP CISSP, CISM, CISA, etc.
  • What we offer

    EY Global Delivery Services (GDS) is a dynamic and truly global delivery network. We work across nine locations – Argentina, Hungary, India, the Philippines, Poland, Sri Lanka, Mexico, Spain and the United Kingdom – and with teams from all EY service lines, geographies and sectors, playing a vital role in the delivery of the EY growth strategy. From accountants to coders to advisory consultants, we offer a wide variety of fulfilling career opportunities that span all business disciplines. In GDS, you will collaborate with EY teams on exciting projects and work with well-known brands from across the globe. We’ll introduce you to an ever-expanding ecosystem of people, learning, skills and insights that will stay with you throughout your career.

  • Continuous learning : You’ll develop the mindset and skills to navigate whatever comes next.
  • Success as defined by you : We’ll provide the tools and flexibility, so you can make a meaningful impact, your way.
  • Transformative leadership : We’ll give you the insights, coaching and confidence to be the leader the world needs.
  • Diverse and inclusive culture: You’ll be embraced for who you are and empowered to use your voice to help others find theirs.
  • About EY

    EY | Building a better working world

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    Key Details
    • Date Posted: 23 Oct 2026
    • Location: United Kingdom
    • Employment: Permanent
    • Workplace: Hybrid
    • Domain: General
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    Employer Profile
    EY
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    Verified Tech Employer

    Enterprise technology firm or security consultancy operating across the UK digital defense ecosystem.

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