Network Security Engineer

PlanetArt

. Review Cisco and Palo Alto firewall policies, access controls, segmentation, VPNs, and security logs .

Posted 10/27/2026full-timeWoodridge • Illinois • United StatesMid-LevelSenior💰 $80,000 - $120,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in network security and incident response, with a strong focus on firewall policy review, server hardening, and SIEM log analysis. Proficient in developing security tools and automating processes to enhance security operations.

Highest-signal resume keywords

Network SecurityIncident ResponseSIEM ConfigurationEDR InvestigationPython Development

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Firewall Policy ReviewServer HardeningLog AnalysisIncident TriageThreat PrioritizationTCP/IP UnderstandingWindows SecurityLinux SecurityAI IntegrationSecurity Tool Development

Soft Skills

Analytical SkillsTroubleshooting SkillsCommunication Skills

Tools & Technologies

Cisco TechnologiesPalo Alto FirewallsSIEMEDRSplunk

Certifications & Qualifications

Bachelor’s Degree in Computer ScienceBachelor’s Degree in Cybersecurity

Industry Keywords

Access ControlsVPNsSegmentationAudit LoggingSecurity Operations

Tech Stack

Tools & technologies

Cyber SecurityDNSFirewallsLinuxPythonSplunkTCP/IP

About the role

Key responsibilities & impact

Review Cisco and Palo Alto firewall policies, access controls, segmentation, VPNs, and security logs
Assess Windows and Linux server hardening, patching, authentication, permissions, and audit logging
Verify SIEM collection of firewall, network, server, and endpoint logs and investigate logging gaps
Monitor SIEM and EDR alerts for suspicious activity
Triage alerts, validate detections, distinguish false positives, assess severity, and escalate incidents
Correlate network, server, identity, and endpoint events to identify affected systems and timelines
Configure EDR policies, detection settings, exclusions, and alerts through approved change procedures
Coordinate incident containment and remediation with infrastructure teams and track issues to resolution
Document investigations and response procedures
Evaluate AI use in analysis and detection
Develop, test, and maintain security tools for log analysis, alert triage, and automation
Recommend security improvements to network and server configuration teams

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Cybersecurity, or equivalent experience
3–5 years of experience in network security, security operations, incident response, or a related role
Working knowledge of Cisco technologies and Palo Alto firewalls, including interpreting configurations, policies, and logs
Understanding of TCP/IP, DNS, NAT, VPNs, and segmentation
Understanding of Windows and Linux server security, including hardening, patching, authentication, permissions, and audit logging
Knowledge of SIEM, including log collection, forwarding, ingestion, parsing, correlation, and alert monitoring
Experience with EDR configuration and investigation
Ability to triage alerts, gather evidence, prioritize threats, and escalate incidents with clear documentation
Strong analytical, troubleshooting, and communication skills
Understanding of AI integration into security workflows
Ability to develop, test, and document security scripts and tools using Python, PowerShell, or similar languages
Preferred: Splunk experience, including SPL searches, dashboards, and alert configuration and tuning

Benefits

Comp & perks

Health, Dental, and Vision Insurance
Life Insurance
401(k) with matching
Paid Time Off
Sick Days
Paid Holidays
Floating Holidays
Employee Product Discounts