TS/SCI Cisco Call Manager/Network Engineer

Insight Global; Largo (FL); On-site; USD 90,000 - 150,000; Full time

Job summary

Insight Global seeks a Senior Network Engineer in Largo, FL to manage Cisco CUCM and Unity Connection, supporting secure enterprise voice and collaboration infrastructure in a 100% onsite environment. You will configure, troubleshoot, and upgrade CUCM/Unity, VoIP, SIP trunks, and related network gear, while ensuring DoD security compliance and partnering with cybersecurity teams.

The role requires TS/SCI clearance eligibility, mult platform experience (Windows/UNIX/Linux), and a strong

Qualifications

• Active TS/SCI clearance with SCI eligibility.
• Experience configuring CUCM and Unity Connection for enterprise/classified environments.
• Proficient with Juniper SRX, EX series routers and switches.
• Experience across Windows, UNIX, and Linux platforms.
• Solid understanding of OSI, IP addressing, sub-netting, TCP/IP, VLANs, DHCP.
• Bachelor's degree with 5+ years of experience or advanced degree with 3+ years.
• Must be able to attain DoD 8570 IAT Level II certification (Security+ or CISSP preferred).
• CISSP certification or pursuing it; Master’s degree.

Responsibilities

• Manage Cisco CUCM and Unity Connection to support enterprise and/or classified environments.
• Configure and troubleshoot secure voice and collaboration infrastructure onsite in Largo, FL.
• Handle Tier III support, system upgrades, and documentation of changes.
• Maintain DoD security compliance and remediate vulnerabilities in a collaborative manner.

Skills

TS/SCI clearance

CUCM / Unity Connection

VoIP / SIP trunks

Networking fundamentals

TCP/IP / OSI layers

VLANs / DHCP

DoD security compliance

Tier III support

Education

Bachelor’s degree + 5 years experience

Advanced degree + 3 years experience

Master's degree

DoD 8570 IAT Level II certification (Security+ or CISSP preferred)

Tools

Cisco CUCM

Unity Connection

Juniper SRX

EX series routers/switches

Windows

UNIX

Linux

VoIP

SIP trunks

Voice gateways

Job description

Job Description

A Client of Insight Global is seeking a Senior Network Engineer to manage Cisco Unified Communications Manager for their team in Largo, FL. This position is responsible for maintaining and supporting secure enterprise network, voice, and collaboration infrastructure in a 100% onsite environment. Day to day, the engineer will configure and troubleshoot Cisco CUCM, Unity Connection, VoIP, voice gateways, SIP trunks, and network infrastructure, while handling Tier III support and system upgrades. They will also maintain DoD security compliance, remediate vulnerabilities, support modernization and migration efforts, document system changes, analyze performance issues, and partner with cybersecurity and infrastructure teams to ensure reliable and secure communications systems.

Skills and Requirements

Active TS/SCI (Top Secret clearance with SCI eligibility)Experience configuring, administering, and maintaining Cisco Unified Communications Manager (CUCM) and Unity Connection to support enterprise and/or classified environments.Juniper SRX, EX series routers and switchesExperience with multi-platforms like Windows, UNIX, LINUXDeep understanding of network engineering fundamentals, including: OSI layers, IP addressing, sub-netting, TCP/IP stack, VLANs, DHCP, etc.Bachelor’s degree + 5 years of professional experience (excluding internships), OR an Advanced degree in a related field + 3 years experienceMust be able to attain and maintain a DoD 8570 IAT Level II certification (Security+ or CISSP preferred)CISSP certMaster's degree

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to [e-mail].