Johns Hopkins Medicine · 1 day ago
Sr. Network Technician
DC-Baltimore Area
Full-time
Onsite
Mid, Senior Level
$22.37/hr - $39.16/hr
4+ years expJohns Hopkins Medicine is a leading healthcare institution, and they are seeking a Sr. Network Technician to provide technical support and administration of network and telecommunications systems. The role involves diagnosing and troubleshooting network issues, installing and maintaining network hardware, and coordinating with vendors for installations and repairs.
Medical DeviceEducationHealthcareHospitalHealth CareHealth DiagnosticsMedicalTraining
Responsibilities
Provide technical support and administration for Cisco Unified Communications Systems and other platforms; maintain regular customer-facing communication to gather requirements, convey solutions, and ensure satisfaction
Lead and coordinate small- to medium-sized projects (moves, adds, changes) by defining tasks, schedules, and deliverables
Meet with customers to capture and document requirements and clearly communicate findings to supervisors and project teams
Participate in technical discussions and planning for infrastructure enhancements, contributing recommendations and design input
Install network hardware, software, data jacks, and cabling following documentation and procedures
Configure and validate network switches and VLANs using established tools and processes
Implement approved changes in accordance with change-management policies, communicating scope, significance, and risks
Manage, maintain, and support videoconference network infrastructure, endpoints, and enterprise A/V (including satellite TV) systems; perform preventive maintenance and testing
Diagnose and troubleshoot moderate to moderately complex network, device, VPN, and data-communications issues using provided procedures and tools
Support and troubleshoot contact-center systems, VoIP and analog phone lines
Replace or repair faulty equipment to restore service promptly
Provide on-site response for emergency phone replacements and integrations of NurseCall, overhead paging, and code blue systems
Coordinate network cabling and related installations with Facilities and external vendors
Coordinate vendor circuit installs and repairs and manage third-party interactions to ensure correct implementation and documentation
Qualification
Required
High School Diploma/GED. Additional experience may substitute for education
Four years of related experience
Preferred
Must possess all requisite knowledge, skills, and abilities as posted in the supplemental section
Must demonstrate strong critical thinking and analytical reasoning skills
Ability to work on multiple priorities effectively
Ability to prioritize conflicting demands
Demonstrated track record of the ability to execute assigned project tasks within established schedule
Ability to work collaboratively in a team environment
Ability to communicate effectively in the service of users and colleagues in a positive manner
Writes and communicates clearly and concisely
Possesses sound documentation skills
Ability to maintain confidentiality
Demonstrated track record of exemplary customer service skills
Strong understanding of data communication principles (with emphasis on VoIP media and control flows)
Moderate to strong understanding of the OSI model, especially layers 2–4 behavior for voice traffic
Strong familiarity with network troubleshooting techniques as applied to voice quality, call signaling, and SIP/SCCP issues
Strong understanding of network management principles
Strong understanding of how DHCP and DNS services work and how they affect IP phones, TFTP, and UC services
Demonstrated understanding of IP addressing
Strong knowledge of public vs. private IP addressing schemes
Basic understanding of LAN, routing techniques, and packet analysis focused on SIP/RTP call traces and QoS verification
Hands-on experience administering Cisco Unified Communications Manager (CUCM) and related UC components (e.g., Unity Connection, IM&P, UCCX/UCCE), including user/device provisioning, device pools, regions, and clustering
Proficient with VoIP signaling and call-control protocols (SIP, SCCP, MGCP), SIP trunking, PSTN gateway/SBC concepts, and troubleshooting trunking/interoperability issues
Strong understanding of voice QoS and voice VLANs (DSCP/CoS, bandwidth management, CAC) and ability to verify and troubleshoot QoS end-to-end
Experience with Cisco phone provisioning and firmware/TFTP management, dial plan design (translation patterns, route patterns), E911 considerations, and phone feature configuration
Familiarity with Cisco diagnostic and monitoring tools and logs (RTMT, CDR/CAR, AXL, call traces, packet captures, CLI debug/trace) to analyze call quality and resolve complex UC issues
Company
Johns Hopkins Medicine
Johns Hopkins Medicine specializes in medical education, research, and clinical care.
10001+ employees
Funding
Current Stage
Late StageTotal Funding
$200MKey Investors
United States Agency for International Development
2022-08-04Grant· $200M
Leadership Team
Heather Lowe
Executive Speechwriter to the Dean and CEO
Theodore DeWeese
Interim Dean of the Medical Faculty and CEO of Johns Hopkins Medicine
Recent News
2026-02-05
2026-01-23
News-Medical.Net
2026-01-23
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