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Matillion

Senior Application Security Engineer

2 weeks ago• Manchester, United Kingdom

Are you ready to shape the future of data?

Matillion is the company behind Maia, the AI Data Automation platform. 

In the AI economy, demand for data is exploding. Manual data engineering can’t keep up. Maia fixes that by combining 15 years of data expertise with agentic AI to eliminate the manual work that slows data teams down. Organisations like Cisco, DocuSign, and Slack are already using it to deliver real business impact, faster.

We started in Manchester and now we’re global - with teams across the UK, US and India.

We are driven, curious, energetic people who move fast, think big and hold ourselves to a high standard. We’re here to make a dent in the universe bigger than ourselves. And we’re looking for people who want to be part of it.


Role Purpose
 
Matillion is built around small development teams utilising a modern, cloud-based technology stack to deliver products. The AppSec Engineer will work in an engineering capacity to product and engineering teams to ensure security is baked into the product from the design phase creating a SecDevOps workflow.

What you will be doing


    Design

    Establish and lead security champions programme across the development squads

    Build functional and nonfunctional requirements for the application in conjunction with the product team

    Input abuse case stories into the product backlog

    Evangelise security across the product team, ensuring security stories are prioritised against feature goals

    Assess SDLC security gap risks and propose remedies

     

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    Consult

    Instruct and guide developers on how to conduct Threat Modelling during application Design

    Act as the single point of contact for security concerns arising from the development team providing advice on how to solve technical software issues

    Lead the pentesting cadence around the core application set by conducting hacking exercises

    Provide application code reviews against known development frameworks such as OWASP ASVS

    Provide input into the design of functional and non-functional security controls such as customer authentication workflows

    Run Security Champion sessions to keep developers aware of security developments

     

    Engineer

    Establish security into the CICD pipeline such as SAST/IAST/DAST

    Automate and build nifty security tools to test Matillion applications 

    Integrate testing, build failures and outputs to the development team to ensure passage to production is secure

    Create security tests for code and assist developers in building security unit testing

     

    Support

    Responsive support to the development teams

    Analysis of logs to identify issues and provide solutions

     

    Innovation

    Research projects, including prototyping, to explore future opportunities

    Investigate new technologies

    Optimise the infrastructure deployment process through use of automation, in-house and open source solutions

     

    Self-Development and Growth

    Develop new skills by working with other members of the team

    Work with the Team Lead to identify training goals

    Lead and partake in technical discussions within the team

    Actively identify and complete opportunities for self-training and external training

    Drive the team’s process of continual improvement

What we are looking for


    Technical / Role Specific 

     

    Essential

    A passion and drive to succeed in Application Security

    Understanding of Software Development Life Cycle

     

    Desirable

    Security professional at heart borne from a software engineering background

    Experience of working with the OWASP ASVS framework

    Experience in Agile delivery environments

    Greenfield experience setting up security technologies from scratch

    Outgoing and able to build relationships with key stakeholders

     

    Personal Capabilities Required, e.g. skills, attitude, strengths

    Can do attitude, willing to take on a wide range of security issues

    Keeps up to date with security developments

    Keen to engage with the security community on a range of topics

    Fast learner

More about Matillion

We operate a flexible working culture that promotes work-life balance, with benefits including:

  • Company Equity

  • 30 days holiday + bank holiday

  • 5 days paid volunteering leave

  • Private Health Insurance

  • Life Insurance

  • Pension

  • Access to mental health support

Your Safety

Matillion recruiters will only contact you from @matillion.com email addresses. We occasionally work with trusted recruiting partners; they will always tell you they are working on our behalf. We will never ask for money, fees, or bank details at any point in the hiring process. If something feels off, trust that instinct. Don't click any links. Go straight to matillion.com/careers to verify open roles or reach us at talent@matillion.com.

Want to know more?

Don't tick every box? Apply anyway. We hire for potential, not just experience. A member of our Talent Acquisition team will be in touch.

Cannot find anything suitable role right now? We still want to hear from you. Drop us a line at talent@matillion.com.

Find out more about life on #TeamGreen here. 

Matillion is an equal opportunity employer. We celebrate diversity and we are committed to creating an inclusive environment for all of our team. Matillion prohibits discrimination and harassment of any type. Matillion does not discriminate on the basis of race, colour, religion, age, sex, national origin, disability status, genetics, sexual orientation, gender identity or expression, or any other characteristic protected by law. 

Client-provided location(s): Manchester, United Kingdom
Job ID: a0259855-3981-4a6a-b801-06c75338d85c
Employment Type: OTHER
Posted: 2026-07-24T10:08:30

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Life Insurance

  • Parental Benefits

    • Birth Parent or Maternity Leave
    • Non-Birth Parent or Paternity Leave

  • Work Flexibility

    • Flexible Work Hours
    • Remote Work Opportunities

  • Office Life and Perks

    • Casual Dress
    • Happy Hours
    • Snacks
    • Company Outings

  • Vacation and Time Off

    • Paid Vacation
    • Paid Holidays
    • Personal/Sick Days
    • Sabbatical
    • Leave of Absence

  • Financial and Retirement

    • 401(K)
    • Pension
    • Company Equity

  • Professional Development

    • Learning and Development Stipend
    • Promote From Within
    • Shadowing Opportunities
    • Access to Online Courses
    • Lunch and Learns

  • Diversity and Inclusion

    • Diversity, Equity, and Inclusion Program