Product Security Engineer

Mattermost; United Kingdom; Remote; GBP 80,000 - 100,000; Full time

Job summary

A collaborative workflow solution company is seeking a results-driven Product Security Engineer to ensure the security of its products and services. This role involves engaging in threat modeling, conducting security reviews, and providing guidance to development teams. Candidates should have a relevant degree and at least 3 years of experience in application security. The company promotes a remote-first culture and values diverse perspectives.

Qualifications

• 3+ years of relevant experience in application security, secure software development, or penetration testing.
• Understanding of web application security and secure development practices.
• Demonstrable teamwork skills and resourcefulness.

Responsibilities

• Support the application vulnerability management and mitigation approaches.
• Conduct application security reviews through manual code review or static/dynamic analysis.
• Provide security guidance and training to internal development teams.

Skills

Application Security

Secure Software Development

Penetration Testing

Web Application Security

Static/Dynamic Analysis

Excellent Communication Skills

Teamwork

Education

BS in Computer Science, Cybersecurity, Software Engineering or related

Tools

Threat Modelling applications

Security Libraries

Job description

At Mattermost, we build the #1 collaborative workflow solution for defense, intelligence, security, and critical infrastructure organizations. Trusted by governments, financial institutions, and technology companies, our platform enables secure, efficient operations for the world’s most critical teams.

We’re dedicated to empowering organizations to operate with confidence, reducing risks, and accelerating productivity. Guided by our core values of Customer Obsession, Earn Trust, Self Awareness, Ownership and High Impact, we collaborate closely with our customers to deliver solutions that meet complex needs and drive success.

Mattermost is seeking a results-driven and analytical Product Security Engineer to help ensure the security of our product and services across the company. As part of our Security team, you will work closely with a globally distributed team to support all aspects of the software development life cycle. You will be responsible for the implementation of additional application security tooling and/or processes across the company, coordinating with relevant stakeholders, gathering requirements, and leading the implementation.

Responsibilities Include:

• Support the application vulnerability management and mitigation approaches
• Conduct application security reviews through manual code review or static/dynamic code analysis
• Engage in threat modelling and design reviews of in-house developed software components
• Provide security guidance and training to internal development teams
• Triage SCA findings and support internal development teams in SCA findings remediation
• Improve and/or automate existing processes to increase efficiency

Requirements:

• BS in Computer Science, Cybersecurity, Software Engineering, or a related technical field, or equivalent experience, with 3+ years of relevant experience in application security, secure software development, or penetration testing
• Understanding of web application security and secure development practices
• Familiarity with common security libraries, security controls, and common security flaws
• Experience with static/dynamic analysis, and common exploit methods
• Excellent written and verbal communication skills
• Demonstrable teamwork skills and resourcefulness

Preferences:

• Experience working in open source communities
• Experience running a bug bounty programme
• Experience with Threat Modelling applications
• Certifications in the domain of penetration testing or application security (e.g., OSCP, OSWE, GWAPT, etc.)
• Experience with Electron, React, or React Native
• Participation in Bug Bounties, CTFs, or similar activities

Mattermost takes a market-based approach to pay and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.

Mattermost is an EEO Employer, We are a remote-first, open-source company.

We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time.

Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics.

If you require accommodations during the interview process, please let us know—we’re happy to assist.

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