Senior Security Engineer This is a Full-Time (100% On-Site) position in San Jose, CA (Only considering candidate that currently reside in the Bay Area) supporting a Water Utility/Water Treatment & Distribution Company. Full benefits, PTO, and paid holidays is inclusive to the position. Work Schedule/Hours: Monday- Friday 8:30 AM- 5:00 PM PST Contract Term: 6 Months (With Possible Extensions) Requirements: ship Work Authorization Status Salary Target: Open Consideration Job Description: We are seeking a Senior Security Engineer with strong hands-on experience across modern enterprise security platforms and architectures. This role will be responsible for designing, implementing, and continuously improving security controls to strengthen both internal and external security posture, with a focus on SaaS integrations and third-party risk. The ideal candidate is technical, proactive, and capable of independently identifying, analyzing, and mitigating security risks. Key Responsibilities Security Engineering & Architecture Design and implement security solutions across enterprise environments, including endpoint, identity, data protection, and vulnerability management Evaluate and integrate security controls for third-party SaaS platforms Partner with IT, infrastructure, and application teams to embed security into system design and deployment Drive improvements aligned to Zero Trust and least privilege principles Security Operations & Threat Management Independently review and analyze security logs across multiple platforms Perform alert triage, investigation, and escalation as needed Conduct proactive threat hunting activities to identify suspicious or malicious behavior Identify, validate, and respond to security incidents with minimal oversight Offensive Security / Red Teaming Perform red team / adversary simulation exercises to test detection and response capabilities Identify gaps in controls, detections, and processes Experience monitoring and analyzing dark web and underground forums for threat intelligence, including credential exposure, data leaks, and targeting of critical infrastructure or enterprise assets. Provide actionable recommendations to strengthen defenses based on findings Platform Ownership & Operations Administer and optimize: CrowdStrike (EDR/XDR) Okta (Identity & Access Management) Varonis (Data Security / Governance) Nessus (Vulnerability Management) AlienVault Palo Alto Firewall / Zscaler Monitor, analyze, and remediate vulnerabilities and security findings Maintain secure configurations and operational procedures Automation & Scripting Develop scripts and automation to streamline security operations Integrate workflows across security tools to improve efficiency and response times Collaboration & Communication Communicate risks, findings, and recommendations clearly to technical and non-technical stakeholders Provide guidance to internal teams on secure design and implementation Support audits, compliance efforts, and security assessments Required Qualifications 9+ years of experience in cybersecurity or security engineering Strong hands-on experience with: CrowdStrike Okta Varonis Nessus AlienVault Palo Alto Zscaler Proven ability to independently monitor, triage, and investigate security events Experience performing threat hunting and incident response Experience conducting red team or offensive security activities Strong scripting and automation skills (e.g., Python, PowerShell) Excellent analytical and problem-solving skills Strong written and verbal communication skills CISSP certification (required) Preferred Qualifications Experience in regulated environments (e.g., utilities / critical infrastructure) Familiarity with NIST CSF, NIST 800-171, and Zero Trust Architecture Experience with SaaS and cloud security environments
For applications and inquiries, contact:[email protected]
Sign in
To continue your applicationor continue with email
By continuing you agree to our Terms & Privacy Policy.
