Sr. System Engineer - Single Sign On (SSO) (IAM)
Charter Spectrum
 Maryland Heights, MO


Responsible for assisting design, development, implementation, and operation of Federation/Single Sign-On infrastructure and services. Resolves and completes assigned cases and change requests. Applies new solutions through research and collaboration with team and determines course of action for new application initiatives. Responsible for Application Administration of SSO applications supporting all Charter Divisions. Participation in full life-cycle of systems engineering activities of high-quality, scalable solutions.


Actively and consistently support all efforts to simplify and enhance the customer experience

  • Coordinates with internal departments to review existing integration capabilities, data sources, and proposed solution designs for feasibility, cost and functionality
  • Conducts design sessions with appropriate participation from architects and engineers
  • Creates detailed design documents and functional specifications for new applications / services and for enhancements to existing systems / services
  • Collaborates to creates configuration designs for design and implementation of various environments
  • Creates work effort estimates for new features and bug fixes for use in prioritization and release management
  • Develops core code modules, unit test tools and release notes for enhancements and bug fixes
  • Reviews new development tools, application frameworks and testing tools for functionality / effectiveness
  • Installs, administers, configures and maintains SSO applications including operating systems and related software
  • Provides 'on call' support to resolve SSO application issues after normal business hours
  • Uses established change management processes, requiring operational procedures be performed with minimal customer impact, (i.e. during established maintenance window)
  • Documents systems configurations and upgrades
  • Designs and implements change and control policies and disaster recovery plans; lead troubleshooting efforts to restore functionality in the event of an outage
  • Monitors and assists in managing applications, device availability, network conditions and status, system reliability and performance, service and program maintenance and storage resources
  • Perform other duties as requested by supervisor


Skills/Abilities and Knowledge

  • Ability to read, write and speak the English language to communicate with employees, customers, suppliers, in person, on the phone, and by written communications in a clear, straight-forward, and professional manner
  • Experience with operational support of NetIQ Access Manager
  • Experience with Federated login protocols and SSO products
  • Understanding of Microsoft and Unix/Linux computer security and system administration
  • Advanced ability to conduct design sessions to specify solution designs for feasibility, cost, and functionality
  • Advanced ability to create detailed documentation to functionally understand new and existing applications
  • Advanced ability to follow and implement established change and control policies and procedures
  • Advanced ability to troubleshoot application problems
  • In-depth knowledge of development tools, application frameworks, and testing tools.
  • In-depth knowledge of SSO applications and software
  • In-depth knowledge of choosing the appropriate lifecycle and the planning, monitoring and control of the systems engineering process
  • Strong ability to transform an operational need into a description of system parameters and incorporate those parameters in the control of the total system development to achieve an optimum, cost-effective balance of all system elements
  • Advanced knowledge of network and systems engineering systems concepts and system/super-system skills.


Bachelor's degree in Computer Science or related field, or equivalent experience; May require Industry Standard Certifications


Related Work Experience

5 plus years Application Development work experience

4 plus years Federation/SSO application work experience

3 plus years System Administration work

3 plus years Enterprise Application Integration work experience


Microsoft Certified System Administrator or Engineer or equivalent experience

Linux Certified System Administrator or Engineer or equivalent experience (LFCS/LFCE/RHCSA)


Office environment