Senior Security Engineer
Join Mattermost as a Senior Security Engineer to enhance security posture and respond to incidents in a fully remote environment.
Posted by employer 4 months ago
First seen on Joblaze 1 week ago
Last verified on the company career page 5 days ago
Skills & Technologies
AI in the day-to-day
Partner with Engineering to assess and mitigate risks from AI-enabled tools and workflows.
Requirements
- Experience
- 3+ years
- Education
- Bachelor's degree
Not disclosed in this posting: visa sponsorship.
Benefits
Joblaze summary
In the role of Senior Security Engineer at Mattermost, the individual will focus on enhancing the security of the company's infrastructure through the design and implementation of security tools, as well as responding to incidents. Key skills include experience with SIEM, EDR, and cloud security, alongside a solid understanding of Zero Trust principles. This position is ideal for professionals with over three years of hands-on security engineering experience, particularly those familiar with AI's implications in security. Mattermost's remote-first environment fosters collaboration across a globally distributed team.
Joblaze insights
- Listed 9 days ago on Joblaze — tracked directly from Mattermost's career page.
- Mattermost has 14 other open roles including Senior Full Stack Engineer, Staff Full Stack Engineer, GRC Manager.
- 2727 active AWS roles on Joblaze right now.
- 2568 active Kubernetes roles on Joblaze right now.
- 1354 active GCP roles on Joblaze right now.
- Pays more than 11% of the 1354 salaried AWS roles we track (median $170,000). See AWS salary trends
Quick facts
- Is the Senior Security Engineer role remote?
- Yes — Mattermost lists this as a fully remote position.
- What's the salary range?
- Mattermost lists £76,123–£100,992 for this role.
- How much experience is required?
- At least 3 years of relevant experience for this Senior Security Engineer role.
- What's the tech stack?
- Joblaze extracted these technologies from the posting: AWS, Azure, CrowdStrike, Docker, EDR, GCP.
- What seniority level is this role?
- Mattermost targets senior candidates for this position.
- Is this full-time or contract?
- Full-time for this Senior Security Engineer role at Mattermost.
From the original posting
Mattermost is the secure collaboration platform trusted by Global organizations. Our platform runs on-premises, cloud, and in air-gapped environments, enabling mission-critical workflows from the tactical edge to the enterprise HQ, where data sovereignty and operational security are non-negotiable.
We are hiring a Senior Security Engineer to protect the people, infrastructure, and tooling that goes into building and hosting Mattermost. This is a hands-on, high-impact role at the intersection of enterprise security engineering, cloud information security, and AI-enabled threat response.
Why Join Mattermost
- Fully remote, globally distributed team | no commute, genuine flexibility
- Be a key voice in shaping and delivering security strategy
- Competitive salary, equity, and benefits with meaningful work attached
The Role
As a Senior Security Engineer, you will lead the design and implementation of security tooling, harden our cloud and IT infrastructure, and serve as a key responder to incidents. You will work across a globally distributed team and partner closely with Engineering to manage AI-enabled risk.
Key Responsibilities
- Lead security and IT projects to enhance the security posture of infrastructure and the company
- Detect, investigate, and remediate security incidents using SIEM, EDR, and SOAR tooling (e.g. CrowdStrike, SentinelOne)
- Conduct threat hunting across cloud and endpoint environments using a Zero Trust framework
- Administer company-wide IAM and security monitoring infrastructure
- Contribute to security policies, incident response, forensics, and endpoint management programmes
- Partner with Engineering to assess and mitigate risks from AI-enabled tools and workflows
- Explore and implement AI/automation in detection, analysis, and response pipelines
- Engage closely with North American and international staff across time zones
Required Background & Skills
- Bachelor’s degree in Computer Science or a related field, or significant professional security experience
- 3+ years of hands-on experience in security engineering and incident response
- Experience with SIEM platforms and security monitoring systems
- Experience with EDR tools such as CrowdStrike or SentinelOne
- Knowledge of SOAR platforms and automation of security workflows
- Familiarity with Zero Trust architecture principles and threat hunting methodologies
- Experience with cloud security controls across AWS, GCP, and/or Azure
- Strong knowledge of Linux systems and Kubernetes/Docker environments
- Experience with IAM solutions and infrastructure automation
- Practical experience evaluating security implications of AI systems and AI-assisted workflows
- Experience managing security of Microsoft 365 and Google Workspace tenants
- Excellent written and verbal communication skills
Preferred Background & Skills
- Experience with certification processes: SOC2, ISO 27001, FedRAMP, or Cyber Essentials Plus
- Certifications: OSCP, GCIH, GCFA, or equivalent penetration testing / incident response credentials
- Experience in Go or Python
- Background in open-source communities
- Endpoint security management experience in a fully remote organisation
Export Control & Eligibility
This role may involve access to information subject to U.S. export control regulations (EAR/ITAR). Applicants should be aware that eligibility requirements may apply. We encourage candidates with questions about this to reach out. Many UK-based security professionals with defence backgrounds will qualify. We are happy to discuss your specific situation.
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.