Information Security Analyst II

🕒 April 22

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CSG

WebsiteLinkedInAll Job Openings

5001 - 10000 employees

Founded 1982

CSG is a leader in innovative customer engagement, revenue management and payments solutions that make ordinary customer experiences extraordinary. Our cloud-first architecture and customer-obsessed mindset help companies around the world launch new digital services, expand into new markets, and create dynamic experiences that capture new customers and build brand loyalty. For over 40 years, CSG’s technologies and people have helped some of the world’s most recognizable brands solve their toughest business challenges and evolve to meet the demands of today’s digital economy with future-ready solutions that drive exceptional customer experiences. With more than 5,000 employees in over 20 countries, CSG is the trusted technology provider for leading global brands in telecommunications, retail, financial services and healthcare. Our solutions deliver real world outcomes to more than 900 customers in over 120 countries.

📋 Description

• Monitor and investigate alerts across SIEM, XDR, IDS/IPS, and email security tools. • Own incident response end-to-end: triage, containment, RCA, and reporting. • Improve and maintain IR playbooks and runbooks. • Run hypothesis-based threat hunts using TTPs, IOCs, and behavioral patterns. • Bring OSINT and threat intel insights into daily SOC workflows. • Monitor the dark web for leaked credentials and data exposure. • Build and tune high-quality detections using MITRE ATT&CK. • Enhance SIEM dashboards, correlation rules, and SOAR automations. • Reduce false positives and improve SOC efficiency. • Analyze network traffic, packet captures, and protocol behaviors. • Investigate phishing attempts and strengthen email security. • Onboard/validate log sources and ensure telemetry completeness. • Purple teaming to validate detections and test defenses.

🎯 Requirements

• Bachelor’s degree in computer science, Computer Engineering, related field, or equivalent experience • 3+ years' experience in SOC, IR, threat detection, or blue team operations. • Hands-on experience with SIEM/XDR platforms and alert analysis. • Strong understanding of email security, EDR, networks, and cloud basics. • Familiarity with MITRE ATT& CK, cyber kill chain. • Comfortable with Linux, scripting fundamentals, and API tools (Postman). • Preferred Certifications - Comptia Cysa+, GCIH.

🏖️ Benefits

• Work from Home • in-office, or hybrid • Employee Belonging Groups • Healthcare: Dental, Medical, and Vision • Paid Vacation, Volunteer, and Holiday Time Off • And so much more!