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
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