Sr IT Security Admin

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Full Time Dallas, Texas Posted 05/13/2022 Business unit: Corporate - CCL - CORPL Areas of interest: Cybersecurity, Information Technology, IT Services/Support Requisition Number: 308810BR-2 ISE360
$5000 Signing Bonus!


Perform system administration of the security systems and applications in support of the Corporate IT Cyber Security environment. Responsible for overseeing health check data output, change management, user administration and implementation of security policies that maintain and support the IT Security and Compliance strategy. In addition, this role performs security auditing procedures on various systems.

  • Actively and consistently supports all efforts to simplify and enhance the customer experience
  • Perform system administration on security systems and applications with a focus on maintaining stability and ensuring operational readiness.
  • Provide oversight of the health and well-being of security tools in the server environment and associated applications.
  • Monitor alerts and dashboards, set up monitoring criteria, troubleshoot warnings, and provide partnership with IT supports teams on outages to resolve alerts to include on call support.
  • Troubleshoot system or application impairments as identified by the daily health check monitoring report, ensuring repair and ongoing stability.
  • Account for administration of the Security Operations SEIM (Security Event Information Management) system to include providing role based system access, integrating new data log sources, policy based use cases, workflow integrations and setting or modifying service level agreements (SLA’s).
  • Establish and drive enforcement of encryption technologies utilizing the roles, policies and procedures required to create, manage, distribute, use, store and revoke certificates and keys.
  • Configure system components, encryption, maintain documentation and ensure ongoing audit processes are in place to comply with PCI DSS (data security standards) for the security systems under IT Security and Compliance control.
  • Facilitate escalations as system issues arise
  • Collaborate with business partners and security operations/networking teams to identify appropriate software or technologies, policies, and operational workflows to allow business initiatives to continue in a secure environment.
  • Participate in evaluating security products and/or procedures to enhance productivity and effectiveness.
  • Provides support to the employee user community across all business units for security related issues, provides education of the security policies, and consults on security issues regarding user built/managed systems.
  • Facilitate the support of the security operations plan of record according to the IT and corporate strategy.
  • Work cross-functionally with internal and external departments to ensure security tool monitoring meet needs of the enterprise.
  • Support development and implementation of new technologies implemented in various parts of organization to improve both security of the end point and server.
  • Maintain subject matter expertise in current IT cybersecurity issues especially those surrounding security tools.

Skills/Abilities and Knowledge

Ability to read, write, speak and understand English
  • Advanced working knowledge of security systems and concepts that support end user web-filtering, workstation/server AV, end point protection technologies, wireless Corporate AP environments, DLP and SIEM technologies.
  • Strong knowledge of security infrastructure, threats and vulnerabilities to systems, applications and the network environment, and mitigating security threats.
  • Strong knowledge of patch and change management processes for Windows, UNIX and Linux environments.
  • Ability to document MOPs (Method of Procedure) and carry through on adherence when performing change management, ensuring quality assurance of related change and ongoing system and environment stability.
  • Basic knowledge of security regulations affecting Charter, including PCI.
  • Basic level knowledge of Microsoft Word and Excel
  • Ability to learn and support new systems and applications
  • Ability to work with others to resolve problems, handle requests or situations
  • Ability to use logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.
  • Ability to determine how a system should work and how changes in conditions, operations, and the environment will affect outcomes.
  • Displays a sense of urgency to resolve issues quickly and efficiently
  • Ability to enable changes in the business processes and ability to work cooperatively with all groups is essential
  • Ability to multi-task and handle on a proactive basis, changing priorities in a fast-paced environment in order to maximize time-management and efficiencies
  • Demonstrated ability to successfully distill complex technical information into clear, concise yet comprehensive communication material
  • Demonstrated ability to meet rigorous deadlines while managing multiple projects concurrently
  • Ability to make decisions and solve problems while working under pressure
  • Outstanding work ethic; displays a high sense of urgency to resolve issues quickly and efficiently

BA/BS in Cyber Security, Information Technology, Computer Science or equivalent work experience

Related Work Experience
5+ years of combined IT and/or security work experience
5+ year of IT work experience specializing in Cyber Security / Security Operations Center work experience
4+ years related work experience in administering and troubleshooting security solutions
4+ years Implementing network security policies, application security, access control and corporate data safeguards



Office environment
Some travel
On call responsibility ISE360 308810-2 308810BR

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