Staff Security Engineer

Track gaps and remediation efforts arising from readiness assessments and audits.

Lead the policy program—driving policy creation, revision, and cross-functional review cycles to keep the security policy set current, enforceable, and audit-ready.

Support compliance scaling as additional products or business units pursue readiness assessments and certification.

Support the internal audit function, partnering with internal or third-party resources as needed to meet ISO 27001's internal audit requirements.

Partner closely with Engineering, IT, Legal, Privacy, People teams, and product leadership to gather evidence, drive control ownership, and translate compliance requirements into practical, adoptable practices.

Advise the GRC manager and broader Security leadership on audit risk, certification readiness, and compliance program strategy.

5 years of experience in information security, GRC, or compliance-focused roles.

Deep familiarity with ISO 27001 and SOC 2 Trust Services Criteria, gained through meaningful involvement in audits from readiness through certification.

Comfort operating across the full breadth of an ISMS—SoA maintenance, Management Review Meetings, and System Description authorship.

Demonstrated experience writing and revising security policies, including running cross-functional review cycles to gain organization-wide buy-in and adoption.

Experience tracking gaps and remediation plans and connecting that work to an organization's broader compliance and risk program.

Excellent cross-functional collaboration skills—comfortable working with engineers, product managers, legal, and executive stakeholders, and able to translate compliance requirements into practical, actionable workflows.

Ability to ramp up quickly and operate with a high degree of independence.

Comfort building processes where none yet exist.

Strong written and verbal communication skills; ability to represent Mozilla credibly and confidently in front of external auditors.

Relevant industry certifications (e.g., CISA, CISSP, ISO 27001 Lead Auditor/Implementer) are a plus.

Welcoming differences

Being relationship-minded

Practicing responsible participation

Having grit

Generous performance-based bonus plans to all eligible employees—we share in our success as one team.

Rich medical, dental, and vision coverage.

Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute).

Quarterly all-company wellness days where everyone takes a pause together.

Country-specific holidays plus a day off for your birthday.

One-time home office stipend.

Annual professional development budget.

Quarterly well-being stipend.

Considerable paid parental leave.

Employee referral bonus program.

Other benefits (life/AD&D, disability, EAP, etc.—varies by country).