Sr. Principal Voice Engineer

Key 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 tolls like 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.

Additional duties:

Plan, manage and implement complex voice designs in support of customer requirements.

Develop technical solutions to complex problems which require the regular use of ingenuity and creativity.

Support teams in project designs to clarify project requirements, 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. Periodically provide after-hours and weekend support.

Work is performed without appreciable direction.

Exercises considerable latitude in determining technical objectives of assignment.

Completed work is reviewed from a relatively long- term perspective, for desired results.

Interface regularly with customers and manage customer installation timelines and deliverables to help 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

This role is 100% onsite at any of our major Northrop Grumman work locations including: Redondo Beach, CA; Rolling Meadows, IL; Roy, UT; Melbourne, FL; Linthicum, MD; Chandler, AZ; or Huntsville, AL.

Basic Qualifications:

Must have a 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; OR a High School diploma (or equivalent) with 12 years of relevant experience

Must have a DOD 8570 IAT level II baseline certification (example: Security+ CE).

Must have the ability to obtain a DOD Secret level security clearance (at a minimum) within a reasonable amount of time 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.

Top Secret, SCI, Polygraph, or SAP/SAR access would be nice to have

Demonstrated leadership skills, or previous management of small teams, would be helpful.

Familiarity with network infrastructure and security principles.

* Experience with VQ Conferencing

Primary Level Salary Range: $107,800.00 - $187,300.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. 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 and certain other restricted positions.

Client-provided location(s): Linthicum Heights, MD

Job ID: NorthropGrumman-R10208400-6

Employment Type: OTHER

Posted: 2025-09-20T20:14:02