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Senior Security Engineer

Job in San Mateo, San Mateo County, California, 94409, USA
Listing for: Tier4 Group
Full Time position
Listed on 2026-07-08
Job specializations:
  • IT/Tech
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 120000 - 160000 USD Yearly USD 120000.00 160000.00 YEAR
Job Description & How to Apply Below
Position: Senior Security Engineer 5295

This role is responsible for enterprise security across endpoints, identity, cloud services, and SaaS applications for a globally distributed team. You will work directly with IT and Engineering, using AI-powered tooling to move quickly and operate at scale.

This is a highly hands‑on role focused on building automated, scalable security controls that support a modern SaaS environment without slowing the business down.

What You Will Do
  • Harden a global MacOS fleet using EDR, NGAV, and MDM, enforcing patching cadences and security baselines at scale
  • Build and enforce IAM policies including SSO, MFA, SCIM, and least‑privilege access with automated provisioning and deprovisioning
  • Secure Google Workspace and the broader SaaS environment through DLP controls and logging pipelines that highlight real data exposure risk
  • Administer and improve VPN and zero trust remote access infrastructure for a distributed workforce
  • Develop AI‑assisted detection and response workflows to automate alert triage, incident timelines, and reporting
  • Embed security into Engineering and IT workflows so it is part of how systems are built and shipped, not just audited
  • Monitor the threat landscape and translate attacker techniques into actionable detections
  • Build internal security tooling, dashboards, and automation pipelines where off‑the‑shelf solutions fall short
What We Are Looking For
  • Ability to automate repetitive security tasks using Python or Bash as a core part of your workflow
  • Experience building controls that scale without constant manual oversight, particularly in SaaS‑heavy environments
  • Strong understanding of attacker techniques and the ability to design detections that identify real threats
  • Experience building or using AI‑assisted workflows to improve threat detection, alert triage, or reporting
  • Ability to maintain a secure‑by‑default mindset while enabling engineering velocity
  • Strong communication skills with the ability to explain risk trade‑offs to engineers and business stakeholders
Required Qualifications
  • 4+ years of hands‑on enterprise security experience, with strong depth in endpoint security across MacOS environments using EDR, NGAV, and MDM
  • Experience with VPN and zero trust network access platforms
  • Working knowledge of modern email security including SPF, DKIM, and DMARC
  • Proven experience securing SaaS platforms with preventive and detective controls including DLP and logging pipelines
  • Scripting proficiency in Python preferred, or Bash, used for automation and tooling
  • Experience owning or contributing to a risk‑based security roadmap tied to business exposure
  • Deep familiarity with adversary tactics using frameworks such as MITRE ATT and hands‑on experience building detection and response strategies
Additional Context
  • Mac‑heavy, bring‑your‑own‑device environment with multiple endpoints per user
  • Strong focus on automation, monitoring, and logging
  • Opportunity to build AI‑driven security workflows and agents
  • Senior‑level role with high ownership and autonomy
  • Collaborative, fast‑paced, and globally distributed team
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Position Requirements
10+ Years work experience
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