DOT Security · 4 months ago
Senior Cybersecurity Analyst
Mettawa, IL
Full-time
Onsite
Mid, Senior Level
$110K/yr - $125K/yr
5+ years expDOT Security’s mission is to improve the security posture of client organizations by providing detection, response, risk management, and compliance services. As a Senior Cybersecurity Analyst, you will lead advanced threat detection and response efforts while mentoring junior analysts, all within a collaborative Security Operations Center environment.
Cyber SecurityNetwork SecuritySecurity
Responsibilities
Lead the investigation of real-time alerts from SIEM platforms and other security tools, ensuring timely identification of potential threats
Perform in-depth forensic analysis of firewall logs, IDS/IPS alerts, and packet captures to validate or dismiss security events
Correlate information across multiple data sources to detect advanced persistent threats (APTs), identify attack paths, and assess risk
Author detailed incident reports and provide high-impact recommendations to internal and external stakeholders
Drive threat-hunting initiatives based on intelligence feeds, behavioral analytics, and emerging TTPs
Identify and assess indicators of compromise (IOCs), attack patterns, and threat actor behavior to stay ahead of adversaries
Perform in-depth investigations of phishing campaigns, lateral movement attempts, and zero-day exploitation tactics
Collaborate with threat intelligence teams to refine detection use cases and enrich alerting logic
Act as a lead responder for escalated incidents, guiding triage, containment, remediation, and recovery activities
Refine and execute incident response playbooks; contribute to the continuous evolution of SOC processes
Tune security toolsets to improve signal-to-noise ratios, reduce false positives, and increase detection efficacy
Provide mentorship and knowledge-sharing to junior analysts to build team capability
Partner with infrastructure and engineering teams to implement improvements based on SOC findings
Design and maintain custom detection rules and alerting logic aligned to evolving threat landscapes
Lead efforts to enhance SOC workflows through automation, process improvement, and playbook development
Qualification
Required
Strong critical thinking and investigative mindset with the ability to independently solve complex security challenges
Excellent written and verbal communication skills, including the ability to clearly explain findings to non-technical audiences
Demonstrated leadership in SOC environments and a track record of driving measurable improvements in threat detection or response
Deep understanding of modern cyber threats, threat actor behavior, and exploitation methods
Proficiency with the MITRE ATT&CK framework and threat intelligence application
Experience with advanced attack types, including buffer overflows, code injection, covert channels, and malware evasion tactics
Strong grasp of networking fundamentals (TCP/IP, OSI model) and security infrastructure (firewalls, VPNs, SIEM, EDR/XDR, etc.)
5+ years of experience handling/leading SOC incident or investigations, a plus
Proven experience with enterprise-grade SIEM tools and log analysis platforms
Background in IT infrastructure roles such as Systems Administrator, Network Engineer, or similar, with a security-first mindset
Experience performing malware analysis or reverse engineering is a strong plus
Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or a related field (or equivalent practical experience)
Preferred
Master's degree or additional years of relevant hands-on experience preferred
eLearn Certified Threat Hunting Professional (ecthp)
GIAC Certified Detection Analyst (GCDA)
GIAC Security Operations Certified GSOC
SANS SEC555
Blue Team Level 2
Benefits
Up to 20 days of PTO
Up to 7 Paid Sick Days
12+ paid holidays
Paid Parental Leave
Comprehensive Health, Disability Life, Dental and Vision Plans
401(K) & retirement plans
Tenure incentives at 5- (Tiffany & Co. Gift Card), 10- (Rolex watch), and 20- ($20,000 check) year mark(s)
Continued education reimbursement
On-going training & development opportunities
Company
DOT Security
DOT Security provides cybersecurity services to clients and to businesses.
11-50 employees
Funding
Current Stage
Early StageLeadership Team
Jeff L.
Chief Technology Officer
Jeremiah School
Vice President of Channel Operations / Partner
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2025-08-19
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