Cyber Security Engineer

TEKsystems; Milwaukee (WI); On-site; USD 90,000 - 130,000; Full time

Job summary

TEKsystems is seeking a security operations professional to monitor logs, triage incidents, and support threat defense in a dynamic environment.

You will assist with endpoint protection, firewall/IDS tuning, and data protection measures including encryption, while applying Zero Trust concepts across Microsoft 365 security configurations.

Qualifications

• Experience monitoring security logs and responding to incidents.
• Knowledge of endpoint protection and patch management processes.
• Familiar with data protection, encryption, and access controls.

Responsibilities

• Monitor security logs and alerts across SIEM and Defender; triage and respond to incidents.
• Operate and tune endpoint/EDR coverage and assist with firewall and IDS/IPS controls.
• Support identity security administration, conditional access, MFA, and Zero Trust principles.
• Maintain Microsoft 365 security settings across Exchange Online, SharePoint/OneDrive, and Teams.

Skills

Security operations

Incident response

Threat hunting

Identity & access management

Zero Trust

Tools

SIEM

Microsoft Defender

CrowdStrike

Fortinet

Entra

M365 security

Job description

Description

Core Focus Areas

Security Operations, Monitoring & Threat Defense

• Monitor security logs and alerts across SIEM and Microsoft Defender (XDR); investigate, triage, and respond to potential incidents.
• Operate and help tune endpoint/EDR coverage (Microsoft Defender, CrowdStrike) and assist with firewall, IDS/IPS, and edge controls (Fortinet) under senior direction.
• Run vulnerability scanning, patch/remediation tracking, and alert tuning to reduce false positives while preserving detection coverage.

Identity & Microsoft 365 Security

• Help administer Microsoft Entra identity and access - conditional access, MFA, identity protection, and least-privilege roles - applying Zero Trust principles.
• Maintain Microsoft 365 security and compliance configuration across Exchange Online, SharePoint/OneDrive, and Teams, keeping settings hardened and consistent.

Data Protection & AI Governance

• Build, deploy, and tune DLP, sensitivity labeling, encryption,