Network Administrator Iii, IT Infrastructure

Ryan, LLC Dallas , TX 75201

Posted 11 months ago

The Network Administrator III is responsible for designing and managing all facets of Network Administration, Telephone Systems, and video Administration for Ryan. Role will design and provide day to day support within the Network and Telecommunications department focusing on network switches, routers, load balancers, firewalls, cabling, wireless solutions, Avaya PBXs, voice messaging, IDS devices and external connectivity.

Duties and Responsibilities:

  • Develops and maintains Ryan systems infrastructure inventory and roadmap including detailed schedule and designs.

  • Establishes and maintains technology support competence to support system, network, and telephone administration technologies and responsibilities including performance metrics identification and adherence.

  • Manages Ryan infrastructure platforms as highly available, high-performing business systems.

  • Identifies and assists with enterprise Data Security planning and achievement, including Disaster recovery planning and testing.

  • Adopts appropriate elements of ITIL standards for maturity in Service Management processes, particularly Incident, Problem, Change, and Configuration Management.

  • Manages implementation and support of Firm technology strategies and initiatives.

  • Measures and improves key performance indicators of IT Infrastructure technologies, capacities, project completion, and problem resolution.

  • Maintains appropriate technologies and documentation related to SAS70, PCI, and other compliance initiatives.

  • Will participate in on-call rotation within the team.


  • Knowledge of computer/network principles at a level normally acquired through completion of a Bachelor's degree in relevant technology field, or acquired through combination of education and experience, is required.

  • More than five years of Networking Administration experience in a medium-to-large multi-location company managing networks and telephony.

  • A polished, professional demeanor with good interpersonal skills.

  • Security management experience including firewall configurations, IDS configuration, and audit compliance reporting.

  • Experience selecting and managing MPLS vendors is required. Experience with WAN optimization preferred.

  • Experience using, evaluating and selecting network management and troubleshooting tools.

  • Experience with designing multi-location architecture

  • Experience with unified communication tools a plus

  • Must be accustomed to following Incident and Change management processes

  • Outstanding capabilities working to plan and meeting deadlines. Exceptional ability to manage multiple priorities.

  • Must have excellent interpersonal skills in communications with all levels of personnel, vendors and IT personnel.

  • Must be able to train others quickly and thoroughly on key networking concepts.

Computer Skills:

To perform this job successfully, an individual should have advanced knowledge of DHCP/DNS, subnets, multiple routing protocols, switching, firewalls/policy NAT/rules, spanning tree, VoIP, QoS, VLANs, LAN/WAN technologies, load balancers and wireless technologies. Experience with Avaya is a plus.

Certificates and Licenses:

CCNP and CCIE certifications are required. CEH or CCDP certification is a plus.

Supervisory Responsibilities:

This position has no supervisory responsibilities.

Equal Opportunity Employer: disability/veteran

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Network Administrator Iii, IT Infrastructure

Ryan, LLC