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Cyber Security Engineer
Libsys, Inc.Houston, TX🇺🇸United StatesPosted 5 Aug 2026
Quick Overview
Work Type
Hybrid
Level
Mid Senior
Job Description
Key Responsibilities:
- Act as a Tier 3 escalation point for security incidents and investigations.
- Manage and optimize security tools and platforms across the enterprise.
- Create, review, and troubleshoot Palo Alto Next-Gen Firewall rulesets.
- Administer and monitor CrowdStrike EDR and Proofpoint Email Security solutions.
- Operate and fine-tune SIEM platforms, including alert use case creation and optimization.
- Leverage Microsoft Cloud Security Tools (Defender for Endpoint, Defender for Identity, Purview, etc.) to secure cloud environments.
- Lead the Vulnerability Management program, including scanning, prioritization, remediation coordination, and reporting.
- Collaborate with and delegate tasks to MSSPs, ensuring SLAs and quality standards are met.
- Conduct threat hunting, vulnerability assessments, and risk analysis.
- Develop and maintain security documentation, runbooks, and incident response procedures.
- Stay current with emerging threats, vulnerabilities, and regulatory requirements.
Required Qualifications:
- 5+ years of hands-on experience in cybersecurity roles.
- Strong experience with:
- Palo Alto Networks firewalls (ruleset creation, troubleshooting)
- CrowdStrike Falcon
- Proofpoint Email Security
- Microsoft Security Suite (Defender, Sentinel, Purview, etc.)
- SIEM platforms (e.g., Splunk, Sentinel, QRadar, Elastic (ELK))
- Proven experience interoperating with MSSPs, third-party security vendors, and or clients.
- Solid understanding of network security, endpoint protection, and cloud security principles.
- Strong analytical and problem-solving skills.
- Excellent communication and documentation abilities.
Preferred Qualifications:
- Bachelor’s degree in Cybersecurity, Computer Science, or related field.
- Completion of a recognized cybersecurity training program (e.g., SANS, NIST NICE Framework-aligned bootcamps).
- Industry certifications such as:
- CompTIA Security+, CySA+
- Certified Ethical Hacker (CEH)
- GIAC certifications (e.g., GSEC, GCIA, GCIH)
- Microsoft SC-200, SC-300
- CISSP or CISM (for more senior candidates)
- Familiarity with:
- Threat intelligence platforms (TIPs)
- SOAR tools
- Zero Trust Architecture
- Cloud platforms (Azure, AWS, Google Cloud Platform)
Skills
AWS
ELK
Splunk
Azure
Google Cloud
Zero Trust
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