Senior Security Engineer, Mandiant, Google Public Sector

Company: Google
Location: Reston
Posted on: April 1, 2026

Job Description:

info_outline X Must be a US Citizen to meet customer and compliance requirements, including potential access to classified information. Minimum qualifications: Bachelor's degree or equivalent practical experience. Applicable 8570/8140 intermediate certification(s). 5 years of experience with security assessments or security design reviews or threat modeling. 5 years of experience with security engineering, computer and network security and security protocols. 5 years of coding experience in one or more general purpose languages. Must possess an active Top Secret/SCI security clearance with current polygraph. Preferred qualifications: Applicable 8570/8140 certification(s)/relevant industry certifications. Experience in using AI tools in support of security operations. Experience delivering comprehensive security solutioning through design, coding, configuration, and deployment. About the job Our Security team works to create and maintain the safest operating environment for Google's users and developers. Security Engineers work with network equipment and actively monitor our systems for attacks and intrusions. In this role, you will also work with software engineers to proactively identify and fix security flaws and vulnerabilities. As a Senior Security Engineer on the U.S. Sovereign Cloud Security Operations team, you will be a technical leader on the front lines, protecting Google Public Sector's most critical customers. In this role, you will be instrumental in defending our sovereign cloud environments. You will lead incident response investigations, proactively hunt for advanced threats, and mature vulnerability management programs. You will not just respond to alerts but build a more resilient defense. You will improve security infrastructure, automate response capabilities, and mentor engineers. Google Public Sector brings the magic of Google to the mission of government and education with solutions purpose-built for enterprises. We focus on helping United States public sector institutions accelerate their digital transformations, and we continue to make significant investments and grow our team to meet the needs of local, state and federal government and educational institutions. The US base salary range for this full-time position is $174,000-$252,000 bonus equity benefits. Our salary ranges are determined by role, level, and location. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training. Your recruiter can share more about the specific salary range for your preferred location during the hiring process. Please note that the compensation details listed in US role postings reflect the base salary only, and do not include bonus, equity, or benefits. Learn more about benefits at Google . Responsibilities Design, build, and tune high-fidelity detection rules, analytics, and correlation searches within the SecOps stack, implement SOAR playbooks to automate workflows. Deliver next-generation security operations through Gemini to transform SOC practices at scale. Drive the vulnerability management life-cycle through streamlined scan analysis, allowing for prioritization of vulnerabilities based on risk and context, and partnering with stakeholders for timely remediation. Engineer and maintain critical security tools and infrastructure powering our operations, serving as a subject matter expert, driving improvements for scale, reliability, and performance of our security stack. Mentor security engineers and act as a key escalation point for technical issues, lead security initiatives and projects, defining requirements and ensuring successful execution.

Keywords: Google, Harrisonburg , Senior Security Engineer, Mandiant, Google Public Sector, IT / Software / Systems , Reston, Virginia