Voice System Administrator - Level 1

J&T; Columbia (MD); On-site; USD 92,000 - 104,000; Full time

Benefits offered by this job

401(k) plan with company match

Comprehensive medical, dental, and vis

Paid time off and holidays

Tuition reimbursement

Job summary

J&T is seeking a detail-oriented Voice / Telephony System Administrator to ensure reliable, compliant, and secure communications systems across enterprise operations. You will manage CUCM and related platforms, plan maintenance, and optimize dial plans while monitoring performance and SLAs.

The role requires DoD 8570 IAT II and IAM II certifications, with extensive experience in VoIP and large-scale Cisco Voice deployments. Strong documentation and collaboration skills are essential.

Qualifications

• 7 years of system administration experience on programs and contracts of similar scope.
• Bachelor’s degree or 5 extra years of experience in lieu of a degree.

Responsibilities

• Administer enterprise-wide Cisco Unified Communications Manager (CUCM) and related platforms.
• Plan and execute regular maintenance, software updates, and upgrades.
• Design and optimize dial plans and traffic routing for voice networks.
• Monitor performance to meet availability and SLA targets.
• Escalate and resolve MACD requests across telecom systems.
• Maintain up-to-date documentation of configurations and topologies.

Skills

VoIP systems

System administration

Documentation

Communication skills

Education

Bachelor's degree in Engineering/Sciences or related discipline

Tools

CUCM

Nortel Meridian

VMware ESXi

Networking fundamentals

Job description

We are seeking a detail-oriented Voice / Telephony System Administrator to provide technical troubleshooting, security monitoring, and collaborative support to maintain reliable, compliant, and secure communications systems across enterprise operations.

Key Responsibilities

• System Administration: Provide end-to-end system administration for an enterprise-wide Cisco Unified Communications Manager (CUCM) and related telephony platforms.
• Maintenance & Upgrades: Plan, schedule, and execute regular maintenance tasks, software updates, and system upgrades.
• Dial Plans & Traffic Routing: Design, administer, and analyze corporate dial plans and traffic routes to optimize voice network infrastructure.
• Performance & SLA Monitoring: Monitor voice systems proactively to ensure operational health, high availability, and SLA attainment.
• Tiered Support & Service Requests: Provide escalation support for lower-tier break/fix resolution, as well as handling Move/Add/Change/Deactivation (MACD) requests across all telecommunications systems.
• Documentation: Maintain current, detailed, and accurate documentation of all system configurations, topologies, and administrative procedures.

Experience & Education

• Experience: 7 years of system administration experience on programs and contracts of similar scope, type, and complexity.
• Education: Bachelor’s degree in Mathematics, Science, Engineering, Statistics, Engineering Management, or a related discipline from an accredited college or university.
  • Substitution: 5 additional years of system administration experience (12 years total) may be substituted for a Bachelor’s degree.

Technical Skills & Domain Expertise

• Hands-on experience configuring and administering common TDM and VoIP telephone call manager systems (e.g., Cisco Unified Communications Manager / CUCM, Nortel Meridian PBX lines).
• Hands-on experience with large-scale Cisco Voice implementations in multi-cluster environments and data networking infrastructures.
• Working knowledge of signaling and VoIP protocols, including H.323 and SIP.
• Familiarity with Cisco Unified Communications platforms, voice gateways, hardware virtualization, and VMware ESXi environments.
• Strong written, verbal, and interpersonal skills.

Certifications

• DoD Compliance: DoD 8570 IAT Level II and IAM Level II certifications required.

Estimated Compensation & Benefits Overview

• Target Salary Range: $92,000 – $104,000 (Base compensation depends on experience level, technical skills, education, and specific contractual requirements).
• Benefits Package: Comprehensive medical, dental, and vision coverage; basic life & disability insurance; paid time off (PTO) & paid holidays; paid parental leave; tuition reimbursement; and a 401(k) plan with company match.