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Company Name:
Approximate Salary:
Per Year
Atlanta, Georgia
United States
Position type:
Full Time
Experience level:
Not Specified
Education level:
Bachelor's Degree

Transaction Security- Systems/Network Administrator


UL Transaction Security is a member of the UL Family of Companies. Founded in 1894, UL is a premier safety company with more than a century of proven history, leading the world in enhancing safe living and working environments, facilitating global trade and serving as a trusted source of information and knowledge. UL employs over 11,000 professionals who work in over 100 countries.

The Transaction Security division of UL extends this safety mission statement from the physical world to safety and security in the digital world. UL Transaction Security focusses on securing and certifying large, mission critical digital transaction infrastructures such as mobile, payment and ticketing networks and infrastructure. UL provides in-depth technical advisory services, testing and certification services and accredited testing platforms to relevant stakeholders in the market.


We are looking for a Sr. Systems and Network Administrator with a proven record in an Agile /DevOps Environment

This individual serves as a technical expert of systems and Network administration in a complex mission-critical environment. Possesses the expertise to respond to systems malfunction or failure in a timely, effective, and complete manner. In pursuit of systems availability, performance, and security, fulfills complex IT requests and tasks; performs planning, implementation, and validation stages while operating independently. Maintains sensitivity to engineering deficiencies and oversights that threaten systems availability, performance, and/or security; reports, logs, or addresses these issues with priority and timeliness commensurate with the degree of risk posed. Recognizes that the success or failure of our customers-external and internal-directly depends on IT's success or failure. Inspires our customers to trust our competence and character, to value our contribution, and to see us as teammates.
  • Providing production support and operation for a 24x7 system
  • Planning for, and working with the project management and solution teams to procure and manage development infrastructure such as workstations, servers, storage, network and data protection
  • Configure and fine tune cloud infrastructure systems
  • Work closely with cloud architects and application teams to develop, plan and implement application deployments to public clouds
  • Drive technical innovation and efficiency in cloud infrastructure operations via automation scripting and working with API's
  • Support cloud servers including security configurations, patching, and troubleshooting.
  • Develops descriptions of systems and business functional boundaries
  • Develops and maintains the comprehensive systems architectures, frameworks and application interfaces
  • Building broad internal practice around how applications and services are constructed using DevOps methodologies and tools
  • Design, install and configure internal and customer facing servers, network devices and firewalls.
  • Develop and implement project plans, risk assessments and contingency plans
  • Design and implement monitoring, configuration management and reporting functions that will make
  • Define and document best practices and support procedures
  • Mentor / cross train team members on existing and new technologies
  • Interact with customers and staff at the technical level, as required.
  • Install and support LANs, WANs, network segments, Internet, and intranet systems.
  • Install and maintain network hardware and software.
  • Analyze and isolate issues.
  • Evaluate and modify system's performance.
  • Determine network and system requirements.
  • Maintain integrity of the network, server deployment, and security.
  • Ensure network connectivity throughout a company's LAN/WAN infrastructure is on par with technical considerations.
  • Design and deploy networks.
  • Perform network address assignment.
  • Assign routing protocols and routing table configuration.
  • Assign configuration of authentication and authorization of directory services.
  • Maintain network facilities in individual machines, such as drivers and settings of personal computers as well as printers.
  • Maintain network servers such as file servers, VPNgateways, intrusion detection systems.
  • Administer servers, desktop computers, printers, routers, switches, firewalls, phones, personal digital assistants, smartphones, software deployment, security updates and patches.
  • Maintaining system
  • Install product and system software
  • Create a backup and recovery policy
  • Monitor network communication
  • Update system as soon as new version of OS and application software comes out
  • Implement the policies for the use of the computer system and network
  • Setup security policies for users. A sysadmin must have a strong grasp of computer security (e.g. firewalls and intrusion detection systems)


  • Bachelor's degree in computer science (or related area) preferred.
  • 10 years combined system and network admin experience
  • Managing deployments/rollouts
  • DevOps and Agile Experience ( 3 years )
  • 3 Years' Experience in Cloud based Environment
  • Managing large scale Citrix/2X/Terminal Server installations
  • A solid understanding of LAN/WAN networking
  • Cisco Certified Network Associate or Professional -CCNA/ CCNP MCITP Server
  • Group Policy design and configuration
  • Linux/UNIX administration
  • Ability to troubleshoot network issues including back bone infrastructure issues
  • LAN Routing and Switching design, configuration and troubleshooting (VLANs, IP Subnetting, 802.1Q
  • trunks)
  • Strong communication and documentation skills
  • Positive, self-motivated individual who can complete tasks independently
  • Must be a team player

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