Senior Security Engineer

About Pacific Fusion

Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy.

We are rapidly designing and building a pulsed magnetic fusion system to achieve net facility gain (more fusion energy output than stored energy input). In parallel, we are developing the key components required to build affordable fusion systems.

Our plans are ambitious. We have raised over $900M so far from incredible investors, resourcing us to deliver on these plans. We are bringing together the best scientists, engineers, and operators from the fusion community, hard tech industry, and other sectors. We are united by a shared sense of urgency to provide clean power for the world, particularly managing climate change while meeting growing global energy demand. You can read more about us in this letter from our founders.

About The Role Job Overview:

The

Senior Security Engineer

will be responsible for implementing, monitoring, and maintaining security controls across Pacific Fusion’s SaaS applications, endpoint devices, and mobile device management environment. This role will ensure that critical business applications are securely configured, MDM policies are enforced, and both company-owned and BYOD devices meet security requirements. Working closely with IT, operations, and business application owners, the Security Engineer will manage application access controls, oversee security configuration baselines, and respond to security incidents. The Engineer will play a key role in maintaining Pacific Fusion’s security posture across a growing hybrid environment of SaaS services, on-premise systems, and diverse endpoints.

Responsibilities

- Configure and maintain security settings for critical SaaS applications (e.g., identity, collaboration, productivity, and business operations platforms).

- Manage and enforce MDM policies for both company-owned and BYOD devices.

- Oversee endpoint security for Windows, macOS, and mobile devices, including patching, encryption, and threat protection.

- Implement and maintain secure authentication and access control policies, including MFA and conditional access.

- Conduct regular security reviews of SaaS configurations and device compliance reports.

- Monitor for security incidents across endpoints, mobile devices, and SaaS applications; investigate and remediate issues.

- Collaborate with IT and business stakeholders to ensure security policies enable operational needs.

- Maintain documentation of security controls, policies, and incident response procedures.

Qualifications

- 3+ years of experience in IT security, endpoint management, or related fields.

- Hands-on experience with MDM solutions (e.g. Microsoft Intune, JAMF, Kandji) for device enrollment, configuration, and compliance management.

- Strong knowledge of SaaS application administration and security configuration best practices.

- Familiarity with identity and access management (IAM), MFA, and conditional access policies.

- Understanding of endpoint protection technologies, patch management, and encryption.

- Experience investigating and remediating security incidents.

- Strong communication skills and ability to work across technical and non-technical teams.

Preferred Skills

- Experience with security assessments and compliance frameworks (e.g., SOC 2, ISO 27001).

- Experience with SIEM tools or centralized logging platforms.

- Scripting or automation experience (PowerShell, Python).

- Vendor certifications (e.g., Microsoft Security Operations Analyst, CompTIA Security+, CISSP).

Benefits

- Industry-competitive salary

- Equity plan

- 6% employer 401k matching

- Generous paid time off (including sick leave, vacation, paid family leave)

- Medical, Dental, and Vision insurance

Actual base salary offered will be determined by: experience, skills, and work location. This range is for base salary, our total compensation includes equity and benefits. We welcome you to apply even if your expectations are outside our listed range.

Pacific Fusion is committed to creating a diverse environment and is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Pacific Fusion is committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures and throughout employment. If you need assistance or any accommodation, please let us know. Pacific Fusion does not accept unsolicited resumes from recruiters or employment agencies without a fully executed recruitment agreement in place. In the absence of such agreement, Pacific Fusion reserves the right to pursue and hire any candidates without an obligation to pay fees. Agencies are requested not to contact Pacific Fusion hiring managers or employees regarding recruiting services.