Senior Network Engineer - Onsite DoD Voice & Security Largo

castaliasystems; Largo (FL); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

401k matching

Generous PTO

Paid holidays

Professional training

Pet insurance

Job summary

Castalia Systems seeks a Senior Network Engineer for an onsite role in Largo, Florida. The position requires 100% onsite work status and a TS/SCI clearance.

You will implement network security and information assurance solutions based on system requirements, architecture models, and design documents, using a defense-in-depth approach on trusted products. Responsibilities include configuring CUCM clusters, Unity Connection voicemail, VOIP infrastructure, upgrades, and security hardening to meet

Qualifications

• Bachelor’s degree plus 12 months of relevant professional experience (or 6 years of equivalent experience).
• Must be able to attain DoD 8570 IAT Level II certification (Security+ or CISSP preferred).
• Strong understanding of computer, network, and security systems.
• Excellent interpersonal and communication skills.
• Ability to work independently with limited oversight.

Responsibilities

• Configure, administer, and maintain Cisco Unified Communications Manager (CUCM) clusters.
• Manage and maintain Cisco Unity Connection voicemail systems, provisioning, call handlers, automated attendants, and voicemail integrations.
• Configure and support dial plans, route patterns, route groups, route lists, SIP trunks, device pools, partitions, and calling search spaces.
• Administer and troubleshoot voice gateways, session border controllers, and VoIP infrastructure.
• Provide Tier III technical support, troubleshooting voice, call routing, registration, signaling, and voice quality issues.

Skills

Communication skills

Analytical thinking

Problem-solving

Independent work

Team collaboration

Education

Bachelor’s degree

Tools

CUCM

Unity Connection

VoIP

Job description

Castalia Systems seeks a Senior Network Engineer for an onsite role in Largo, Florida. The position requires 100% onsite work status and a TS/SCI clearance.

You will implement network security and information assurance solutions based on system requirements, architecture models, and design documents, using a defense-in-depth approach on trusted products. Responsibilities include configuring CUCM clusters, Unity Connection voicemail, VOIP infrastructure, upgrades, and security hardening to meet