Senior Application Security Engineer
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
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 [email protected].
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 [email protected].
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.