CenturyLink Senior Security Analyst (SOC) - Tier 2 in Singapore, Singapore

CenturyLink (NYSE: CTL) is the second largest U.S. communications provider to global enterprise customers. With customers in more than 60 countries and an intense focus on the customer experience, CenturyLink strives to be the world’s best networking company by solving customers’ increased demand for reliable and secure connections. The company also serves as its customer’s trusted partner, helping them manage increased network and IT complexity and providing managed network and cyber security solutions that help protect their business.

Job Summary

Location: Singapore

Reports to: Security Operations Manager – Asia Pacific

Support Hour: Shift Work

A pivotal role in the Global Security Operations Center (SOC) responsible for operation, maintenance, and monitoring of Security portfolio. This role performs security event management functions - monitoring, detection, triage of security events and alerts in SIEM and associated monitoring systems. Facilitates the ingress, implementation and egress of advanced client trouble / change requests for managed premise, cloud, NextGen UTM firewall, MDDoS, Threat Intelligence and Secure Log Management products. Provides mentoring, training and escalation support to Associate Security Analysts. As a SOC Analyst, you will learn how to work with cutting edge User Behaviour and Entity Analytics (UEBA) platform to monitor security events, prioritize alerts, investigate & remediate incidents and how to help our customers by identifying security threats and preventing data breaches.

Job Description


  • Monitor, triage and response to SIEM alerts for client security events;

  • Investigation and resolution of outage or abnormal behavioral scenarios on MSS products;

  • Research and implement customer generated change requests for MSS products;

  • Generate incident cases and escalate to superordinate teams in accordance with time and severity-based SLA’s;

  • Perform tasks associated with the installation, turn up and maintenance of CenturyLink security infrastructure;

  • Manage technical workload and engage Incident Response Analysts and management

  • Perform complex changes within the managed security environment and manage and resolve customer fault and service outage / impairment events;

  • Present as technical expert delivering solutions to clients, internal business and third-party vendors;

  • Develop enhancements to existing solutions, promote creation of new tools, processes and applications;

  • Directly support, train and mentor Associate Security Analysts;

  • Participate in company sponsored job related activities plus training to further develop your management and technical skills;

  • He/she will be part of a rotating SOC shift and will need to manage their schedule accordingly so to ensure there is coverage during SOC shifts.



  • 2-5 years of professional work experience in Information Security with SOC based experience;

  • Possible security technology certifications (e.g. CompTIA Security+, CISSP, SANS GIAC);

  • Working towards completion or has a BS/BA degree in Computer Science, Information Technology, or related discipline or equivalent experience;

  • Strong analytical skills to define risk, identify potential threats, document and develop action/mitigation plan;

  • A passion for information security and data security;

  • Knowledge/experience with Operating Systems (e.g. Windows Server, CentOS Linux);

  • Knowledge/experience of networking and firewalls (e.g. Cisco ASA, Palo Alto, Checkpoint, Juniper, Fortinet, Arbor, Radware);

  • Working knowledge of Elastic Stack (Elasticsearch, Kibana) and exposure to Log Management/SIEM (e.g. Splunk, QRadar, ArcSight);

  • Good to have programming and scripting skills (e.g. C++, Bash, Python, Perl, Powershell);

  • Exceptional customer service skills;

  • Detail oriented individuals that work well in a team environment and have a hunger to learn;

  • Strong verbal/written communication and interpersonal skills are required to document and communicate findings, escalate critical incidents, and interact with customers, managers and vendors;

  • Must be able to satisfy local government / national background screening.


Bachelors or Equivalent in Information Systems or Computer Science

Requisition #: 205652

EEO Statement

No Discrimination. 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, 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. Any offer of employment is contingent upon the results of a pre-employment drug test and background check.


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.