CenturyLink Information Security Engineer I - Active Defense in Los Angeles, California

CenturyLink (NYSE: CTL) at http://www.centurylink.com is a global communications and IT services company focused on connecting its customers to the power of the digital world. CenturyLink offers network and data systems management, big data analytics, managed security services, hosting, cloud, and IT consulting services. The company provides broadband, voice, video, advanced data and managed network services over a robust 265,000-route-mile U.S. fiber network and a 360,000-route-mile international transport network. Visit CenturyLink at http://www.centurylink.com/ for more information.

Job Summary

The Information Security Engineer I, Active Defense will respond to, remediate, and document operational and maintenance incidents not limited to SIEM alerts, tickets, emails, or phone calls.

Job Description

Responsible for operating and maintaining security technologies in pursuit of an Active Defense program. Must have base understanding of operating systems, networking, applications, and databases in addition to security specific technologies. Candidate should have familiarity with host and network security hardening, networking protocols, common intrusion techniques, and risk management concepts. Daily work will require problem-solving skills related to Active Defense technologies. The engineer will respond to, remediate, and document operational and maintenance incidents not limited to SIEM alerts, tickets, emails, or phone calls. Feedback will be provided for the engineering and architectural consistency of Active Defense technologies and processes. Maintain all Active Defense related documentation, procedures, and processes for best in class operation. Contribute to security projects dedicated to improving Active Defense team or CenturyLink's security posture.


  • 2+ years of professional experience in network, information technology or security (preferred) relevant experience

  • Bachelor's Degree: Telecommunications, Computer Science, Engineering, Cybersecurity, related field or equivalent experience

  • Familiar with security tools and concepts such as firewalls, vulnerability scanning and management, multi-factor authentication, TACACS, virtual private networks (VPN), intrusion detection and prevention, endpoint security, mobility management, Host-Based intrusion detection and prevention, SIEM, privilege management, data loss prevention, Email Filtering.

  • Familiar with health monitoring tools and technologies

  • Working knowledge with at least one of Linux, Windows, Solaris, Mac OSX

  • Working technical knowledge of networks, applications, operating systems, databases, etc.

  • Familiar in at least one scripting language

  • Strong interpersonal and written/oral communication skills

  • General understanding of risk-based assessment methodologies

  • Analytical and problem-solving skills

  • Experience in large enterprise or carrier data centers and/or networks

  • Certifications:

o CISSP, CEH, GCIH, GPEN, GWAPT, GSEC, CISM or CISA or equivalent level certifications strongly desired

o Network or Operating System certifications current or expired strongly desire.


Bachelors or Equivalent

Masters or Equivalent

Alternate Location: US-California-Los Angeles

Requisition # : 180508

This job may require successful completion of an online assessment. A brief description of the assessments can be viewed on our website at http://find.centurylink.jobs/testguides/

EEO Statement

We are committed to providing equal employment opportunities to all persons regardless of race, color, ancestry, citizenship, national origin, religion, veteran status, disability, genetic characteristic or information, age, gender, sexual orientation, gender identity, marital status, family status, pregnancy, or other legally protected status (collectively, “protected statuses”). We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.


The above job definition information has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. Job duties and responsibilities are subject to change based on changing business needs and conditions.