Cybersecurity Manager

Mattson Technology•Fremont, CA

62d•$130,000 - $185,640

About The Position

Mattson Technology is a global company with nearly 30 years of experience delivering leading-edge technology and products in the Dry Strip, Plasma and Thermal markets to our customers. While we consider Silicon Valley our roots, we have evolved into a worldwide organization that includes manufacturing, research and development, customer support, finance and sales operations throughout Asia, Europe and North America. Our success is a result, in large part to the highly qualified and dedicated employees at Mattson Technology. Our employees represent a diverse group of individuals, committed to working as a team to deliver on our commitments. We value the ingenuity, flexibility, passion, knowledge and “can do” attitude that our employees exemplify daily. Job Summary: We are seeking a highly skilled Cyber Security Manager to lead our organization's security efforts, with a strong emphasis on securing the Microsoft 365 platform and enterprise network infrastructure. This role requires a strategic thinker who can develop and implement security policies while also possessing the technical expertise to perform hands-on hardening across all IT platforms. The ideal candidate will be responsible for overseeing security initiatives, managing risks, and ensuring compliance with industry standards and best practices.

Requirements

Bachelor’s degree in Cybersecurity, Computer Science, Information Technology, or a related field (or equivalent experience).
5+ years of experience in cybersecurity, with at least 2 years in a managerial or leadership role.
Strong expertise in Microsoft 365 security, Azure security, and cloud-based security frameworks.
Hands-on experience with firewalls, endpoint security, IDS/IPS, SIEM solutions, and vulnerability management tools.
In-depth knowledge of security best practices, compliance frameworks (e.g., NIST, CIS, ISO 27001), and risk management strategies.
Experience in hardening IT systems, implementing security controls, and conducting security assessments.
Strong analytical, problem-solving, and leadership skills with the ability to balance strategic planning and hands-on technical work.

Nice To Haves

Professional certifications such as CISSP, CISM, Microsoft Security certifications (SC-200, SC-300, SC-400), or CEH are preferred.

Responsibilities

Microsoft 365 Security & Governance: Develop and implement best-in-class security policies, configurations, and governance for Microsoft 365, including Azure AD, Exchange Online, SharePoint, OneDrive, and Teams.
Monitor and respond to security threats using various security tools.
Enforce identity and access management (IAM), including MFA, conditional access policies, role-based access control (RBAC), and privileged identity management (PIM).
Assess and enhance data loss prevention (DLP), email security, and endpoint protection within the Microsoft ecosystem.
Network Security & Infrastructure Hardening: Oversee and manage firewall configurations, VPNs, IDS/IPS, and network segmentation to enhance security posture.
Ensure the security of on-premises and cloud network environments, including Azure, hybrid, and remote infrastructure.
Perform vulnerability assessments and lead hardening efforts for servers, endpoints, and network devices.
Implement and monitor architecture, endpoint detection and response (EDR), and security logging and monitoring solutions.
Cybersecurity Strategy & Risk Management: Develop and execute a cybersecurity roadmap that aligns with business objectives and regulatory requirements.
Conduct risk assessments, security audits, and incident response planning to mitigate potential threats.
Lead and collaborate with IT and executive leadership to drive a culture of security awareness across the organization.
Hands-On Security Operations & Incident Response: Investigate and respond to security incidents, breaches, and threats across all IT environments.
Conduct penetration testing, log analysis, and threat intelligence to proactively identify and remediate vulnerabilities.
Automate security tasks using PowerShell or other scripting languages for operational efficiency.
Collaborate with third-party vendors and service providers to enhance security capabilities.