SR INFORMATION SECURITY ENGINEER - Cybersecurity Incident Response

Lumen Technologies • ,

23h • $84,629 - $124,122 • Remote

About The Position

Cybersecurity Incident Response Team (CIRT) Engineers at Lumen are on the front lines of protecting the systems that power global connectivity. In this role, you’ll respond to and mitigate cybersecurity threats while proactively identifying risks and strengthening our defenses. At Lumen, this work goes beyond incident response, it’s an opportunity to solve complex problems, influence how we defend at scale, and help shape the future of our security capabilities. You’ll collaborate with internal teams and partners to drive innovation, improve detection, and anticipate emerging threats in a fast-paced, high-accountability environment. If you’re motivated by challenging work, continuous learning, and the chance to make a real impact, this role offers the flexibility, trust, and support to help you grow while contributing to meaningful outcomes across our infrastructure and services.

Requirements

• Bachelor’s in Computer Science, Engineering, or related field (or equivalent experience)
• Strong understanding of security fundamentals: host/network hardening, networking protocols, intrusion techniques, and risk management
• Analytical/problem-solving skills across networking, operating systems, and malware analysis
• Relevant certifications (or willingness to obtain): Security+, CEH, OSCP, GCIH, CISSP, GPEN, GWAPT, GISEC, CISM, or CISA
• U.S.-based and able to obtain government suitability
• Strong communication skills; able to present technical concepts to both technical and non-technical audiences
• Experience with cloud security (AWS, Azure, GCP)
• Broad knowledge of current and emerging technologies

Nice To Haves

• 4+ years in incident response, forensics, risk assessments, application or network security
• Experience in network/firewall engineering, design, and implementation
• Familiarity with security tools (SIEM, IDS/IPS, endpoint protection)
• Experience monitoring threats and performing initial triage
• Microsoft or UNIX/Linux administration
• Experience implementing controls to reduce risk and data exposure
• Scripting experience (Python or Perl)
• Experience in large enterprise or carrier-scale environments

Responsibilities

• Respond to, remediate, and document information security incidents not limited to dashboard (Advanced Threat Appliance & SIEM) alerts, tickets, emails, or phone calls.
• Actively hunt the enterprise for insecure, suspicious, or malicious activity.
• Review data that is processed within the SIEM to find incident evidence and suspicious events as well as out of scope events.
• Verify and validate security notifications from both internal and external sources.
• Identify and resolve incidents that are not defined by (or deviate from) an existing incident response guide.
• Assist with significant incidents as needed or assigned, including outside of normal business hours.
• Provide feedback for development and consistency of automated threat detection mechanisms.
• Update and maintain response guides for accuracy.
• Support Security projects to improve Cyber Defense Team or Lumen's security posture.
• Demonstrate effective communication skills, both verbal and written

Benefits

• Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional and financial wellbeing.
• Bonus structure (short-term incentives, long-term incentives and/or sales compensation)

What This Job Offers

• Job Type: Full-time
• Career Level: Senior