Senior Security Engineer: PKI, IAM & Cloud Security Lead

Request Technology, LLC; Chicago (IL); On-site; USD 120,000 - 165,000; Full time

Job summary

Request Technology, LLC is seeking a senior security engineer to lead PKI, encryption key management, and security operations across on‑premises and cloud environments. You will design and enforce zero-trust, IAM, and cloud security controls with a focus on automation and risk reduction.

The role involves mentoring teammates, developing security standards, and evaluating new technologies to improve detection, response, and overall security posture in a fast‑paced IT landscape.

Qualifications

• 5–8+ years IT experience, including 3–5+ years in cybersecurity engineering.
• PKI & cryptography: certificate lifecycle management, PKI, AD CS, HSMs.
• Security operations: EDR, SIEM, threat detection, threat hunting, incident response.
• Security platforms: CrowdStrike, Microsoft Sentinel, Netskope, Cisco Umbrella, DigiCert.
• IAM, cloud security in Azure/Entra, Zero Trust.
• Automation & scripting: PowerShell, Python, and KQL.

Responsibilities

• Manage the full lifecycle of digital certificates and PKI environments, including discovery, issuance, renewal, and revocation.
• Administer encryption key management platforms and HSMs, ensuring secure generation, rotation, storage, and destruction of keys.
• Design, implement, maintain, and improve network, endpoint, cloud, and identity security controls.
• Optimize EDR, SIEM, DLP, CASB to improve visibility, detection accuracy, and response.
• Identify security gaps and lead remediation initiatives to strengthen the security posture.
• Lead security initiatives and partner with IT, architecture, product and project teams.
• Advance secure endpoint and identity practices with infrastructure teams.
• Develop and maintain security standards and baselines aligned with NIST/CIS.
• Automate workflows, telemetry optimization, and process improvements in security operations.
• Support mentorship, documentation, and reusable security solutions for the team.
• Act as escalation point for complex issues and contribute to incident readiness and runbooks.
• Research emerging security technologies and recommend solutions to reduce organizational risk.

Skills

Cybersecurity engineering

Threat detection

Incident response

Identity & access management

Zero Trust security

PKI & cryptography

Automation & scripting

Cloud security

PowerShell

Python

KQL

Tools

CrowdStrike

Microsoft Sentinel

Google SecOps

Netskope

Cisco Umbrella

BeyondTrust

Cribl

DigiCert

CyberArk Certificate Management (Venafi)

Microsoft Entra

Job description

Request Technology, LLC is seeking a senior security engineer to lead PKI, encryption key management, and security operations across on‑premises and cloud environments. You will design and enforce zero-trust, IAM, and cloud security controls with a focus on automation and risk reduction.

The role involves mentoring teammates, developing security standards, and evaluating new technologies to improve detection, response, and overall security posture in a fast‑paced IT landscape.