Voice Systems Administrator

T-Rex Solutions•Columbia, MD

3d•$80,000 - $100,000

About The Position

T-Rex Solutions is seeking a fully cleared Voice Systems Administrator to support critical communications infrastructure in the Columbia, Maryland area. The role supports enterprise voice systems and customer operations, with a focus on reliable, compliant, and secure communications. The administrator will manage Cisco Unified Communications Manager and related systems, maintain voice network configurations and dial plans, monitor system performance and service-level attainment, and provide technical support for telecommunications systems. The position requires an active TS/SCI with FSP clearance, DoD 8570 IAM Level 2 certification, and relevant systems administration experience. A bachelor's degree in a specified technical or related discipline is required, though five additional years of SA experience may substitute for the degree. The posting also lists a high school diploma or GED and a minimum of 3–5 years of relevant IT experience. The schedule is an 8-hour shift set by management between 6:00 AM and 6:00 PM.

Requirements

Seven years of experience as a systems administrator in programs and contracts of similar scope, type, and complexity.
Bachelor's degree in Math, Science, Engineering, Statistics, Engineering Management, or a related discipline from an accredited college or university; five additional years of SA experience may substitute for the degree.
High school diploma or GED.
Minimum of 3–5 years of relevant IT experience.
DoD 8570 IAM Level 2 certification; the posting also requires an 8570 certification.
Active TS/SCI with FSP clearance.
Experience configuring and administering common TDM and VoIP telephone call manager systems, such as Nortel Meridian PBXs and Cisco Unified Call Manager.
Large-scale Cisco Voice implementation experience in a multi-cluster environment and data networking infrastructure.
Working knowledge of H.323 and SIP.
Familiarity with Cisco UCS platforms, voice gateways, virtualization, and ESXi.
Highly skilled in installing, repairing, and troubleshooting computer hardware and peripherals.
Experience installing Windows operating systems, software applications, antivirus programs, and security patches.
Ability to read, interpret, and apply information from technical manuals and schematics.
Proficiency in Microsoft Office applications, including Word, Excel, PowerPoint, and Access.
Expertise with Microsoft Windows 7 and Windows 10 operating systems.
Familiarity with Active Directory security and policies.
Proficiency in providing remote end-user support.
Strong analytical and problem-solving skills, communication skills, and organizational skills; ability to manage complex technical issues independently, prioritize work, and work with minimal supervision.
Ability to drive a company vehicle.
Ability to lift and move items weighing up to 50 pounds.
Availability to work an 8-hour shift scheduled between 6:00 AM and 6:00 PM, as determined by management.

Nice To Haves

Security+ certification.

Responsibilities

Provide overall system administration for an enterprise-wide Cisco Unified Communications Manager and related systems.
Plan regular maintenance tasks, including updates and upgrades.
Maintain current and accurate documentation of system configurations.
Design, administer, and analyze corporate dial plans and traffic routes for the voice network structure.
Administer and monitor voice systems for performance and SLA attainment.
Support lower-tier break/fix resolution and move, add, change, and deactivation requests for telecommunications systems.
Drive a company vehicle as part of job responsibilities.