Sr. Principal Voice Engineer

Northrop Grumman; Rolling Meadows (IL); On-site; USD 129,000 - 194,000; Full time

Benefits offered by this job

Relocation assistance

Onsite role

Security clearance anticipated

Travel 10%

Job summary

Northrop Grumman is seeking a senior Cisco Voice Engineer for 100% onsite work at Rolling Meadows, IL, with a Secret clearance requirement. You will design, implement, and maintain Cisco voice solutions, including VoIP, VTC, and Jabber, and develop complex dial plans for enterprise UC.

The role demands strong problem‑solving, leadership, and collaboration across teams. You will configure CUBE, support VQ, monitor quality, and perform upgrades and training while aligning with customer

Qualifications

• Master's or BA/BS with extensive relevant experience; security clearance preferred.
• Must have 8140/8570 IAT level II baseline certification.
• Current Secret level security clearance or higher is required.
• Experience designing and maintaining LAN/WAN networks with Cisco hardware.

Responsibilities

• Design and implement Cisco voice solutions incl. VoIP, VTC, CMS, Jabber.
• Develop dial plans, route patterns, and calling search spaces.
• Configure CUBE for SIP trunking and inter-site voice routing.
• Support and troubleshoot VTC systems and Cisco Telepresence.
• Monitor voice/video quality with VQM and RTMT tooling.
• Perform system upgrades, patches, and backups for UC platforms.
• Troubleshoot complex voice issues and manage UCCX for teams.
• Collaborate with cross-functional teams and provide end-user training.
• Document voice hardware/software components and provide customer timelines.

Skills

VoIP

Cisco UC Manager

Voice solutions

VTC

Jabber

UCCX

SIP trunking

Video conferencing

UC design

Troubleshooting

Education

Master's degree

Bachelor's degree

Associate's degree

Tools

Cisco routers

Cisco switches

Firewalls

CUBE

UC systems

Job description

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time

Description

Northrop Grumman Enterprise Classified Solutions is seeking a senior level Cisco Voice Engineer that has experience in designing, implementing, and maintaining Cisco voice solutions.

The ideal candidate will have a strong background in VoIP technologies, Cisco Unified Communications Manager, and related voice technologies.

• This role requires the selected candidate to be 100% onsite at one of the following Northrop Grumman work locations: Redondo Beach, CA; Rolling Meadows, IL; Roy, UT; Melbourne, FL; Linthicum, MD; Chandler, AZ; or Huntsville, AL.

Job Responsibilities

• Design and implement Cisco voice solutions, including VoIP, VTC, VQ, CMS, Jabber, and other unified communications systems.
• Develop and maintain complex dial plans, route patterns, translation patterns, route lists, groups, and calling search spaces.
• Configure and troubleshoot Cisco Unified Border Element (CUBE) routers for SIP trunking and inter-site voice routing.
• Support and troubleshoot video teleconferencing (VTC) systems, including Cisco Telepresence, Room Kits, and integration with third-party platforms.
• Monitor and optimize voice/video quality using tools such as Cisco VQM, RTMT, and third‑party monitoring platforms.
• Perform routine system upgrades, patches, and backups for UC platforms.
• Troubleshoot and resolve complex voice‑related issues in a timely manner.
• Manage UCCX for multiple teams.
• Collaborate with cross‑functional teams to integrate voice solutions with existing systems.
• Provide technical support and training to end‑users and IT staff.
• Stay updated with the latest industry trends and technologies related to voice communications.
• Plan, manage, and implement complex voice designs in support of customer requirements.
• Develop technical solutions to complex problems requiring ingenuity and creativity.
• Support teams in project designs to clarify project requirements and provide design solutions, in accordance with standards.
• Perform troubleshooting analysis of voice infrastructure and associated systems.
• Document voice hardware and software technology components.
• Install and configure Cisco voice hardware/software and accompanying technologies.
• Provide third‑level support and troubleshooting of voice problems, and periodically provide after‑hours and weekend support.
• Exercise considerable latitude in determining technical objectives of assignment.
• Interface regularly with customers and manage customer installation timelines and deliverables to facilitate successful deployments.
• Manage timely resolution of all critical and/or complex problems meeting SLA requirements.
• Experience with Microsoft Office, Visio, Project, PowerPoint, and Excel.
• Lift equipment weighing up to 40 pounds.
• Work after hours and weekends as needed.

Basic Qualifications

• Master's degree with 6 years of relevant experience, or a Bachelor's degree with 8 years of relevant experience, or an Associate's degree with 10 years of relevant experience; a High School diploma (or equivalent) with 12 years of relevant experience may be considered in lieu of a completed degree.
• Current U.S. Government 8140 (8570 equivalent) IAT level II baseline certification (example: Security+ CE).
• Applicants must have a current U.S. Government Secret level security clearance (at a minimum) in order to be considered.
• Must have experience with designing and maintaining LAN/WAN based networks, managing routing protocols on large LAN environments, and experience with Cisco hardware (routers, switches, and firewalls).
• Excellent problem‑solving skills and ability to work under pressure.

Preferred Qualifications

• Certifications such as CCNP Voice or CCIE Voice.
• Current U.S. Government Top Secret security clearance, SCI, Polygraph, or SAP/SAR access.
• Demonstrated leadership skills or previous experience managing small teams.
• Familiarity with network infrastructure and security principles.
• Experience with VQ Conferencing.

Salary Range

Primary Level Salary Range: $129,300.00 - $193,900.00

Benefits

We offer flexible work arrangements, exceptional benefits and healthcare, a 9/80 work schedule, a 401(k) matching program, and discretionary bonuses.

EEO Statement

Northrop Grumman is an Equal Opportunity Employer. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance.