Senior Security Engineer (PKI & Detection)

Location: Hybrid in Fort Worth, Texas (Onsite Tuesday through Thursday)

Salary: $60-$65/Hr on W2

Company

hirify.global (PTR Global) is a leading provider of information technology and workforce solutions.

What you will do

• Design, build, and maintain security engineering solutions, scripts, and reusable components.
• Develop and tune Microsoft Sentinel detections, KQL queries, analytics rules, and investigation workflows.
• Conduct root-cause analysis and end-to-end security event investigations with detailed documentation.
• Design and operate PKI solutions, including certificate enrollment (SCEP, EST) and key-management processes.
• Manage the full remediation lifecycle, including vulnerability tracking and validation of closure.
• Guide junior engineers and develop prototypes for emerging security architecture solutions.

Requirements

• At least 5 years of security engineering experience with demonstrated independent project ownership.
• Hands-on PKI engineering expertise (SCEP, EST, CP/CPS, NIST SP 800-63).
• Strong proficiency in Microsoft Sentinel, KQL development, and detection rule authoring.
• Experience owning the remediation lifecycle and vulnerability tracking.
• Must be based in or able to work hybrid in Fort Worth, Texas.

Nice to have

• Experience with AI or agentic security tooling, including LLM-assisted analysis and prompt engineering.
• API scripting and automation using Python or PowerShell.
• Experience with aviation, OT, cyber-physical systems, or embedded systems.
• Knowledge of HSMs, key-management, or code-signing infrastructure.

Culture & Benefits

• Access to medical, dental, and vision insurance.
• 401K contributions.
• Paid Time Off (PTO) and sick leave.
• Hybrid work flexibility (Remote Monday and Friday).

Hiring process

• First round: Virtual interview.
• Second round: In-person interview.