Sr. Principal Network Communications

Northrop Grumman Corp.; Baltimore (MD); On-site; USD 123,000 - 185,000; Full time

Benefits offered by this job

9/80 work schedule

Competitive benefits

Company matched 401k

Job summary

Northrop Grumman Corp. in Linthicum, MD is seeking a Sr. Network Communications professional to support classified government contracts on-site. You will design and implement secure, multi-domain networks and lead cross-functional teams.

The role requires active Secret clearance, expertise in LAN/WAN, VTC, and security frameworks. We offer a competitive salary, comprehensive benefits, and a path to advanced missions.

Note: No telecommuting due to classified work; on-site presence is essential.

Qualifications

• Active U.S. government security clearance required (Secret or higher).
• Experience designing and maintaining complex LAN/WAN networks.
• Proficiency with network security and SD-WAN architectures.
• Experience with VTCs and classified environments.
• Strong collaboration with government customers and internal teams.

Responsibilities

• Perform Sr. Network Communications activities for classified contracts.
• Define and execute long-term network roadmaps (SD-WAN, Zero Trust).
• Lead design and migration of large-scale multidomain networks.
• Mentor junior staff and coordinate with leadership.
• Ensure standards, security frameworks, and compliance.
• Provide advanced troubleshooting and third-level support.

Skills

Senior network engineering

Security clearance

LAN/WAN design

VTC support

Government contracting

Education

Master's degree in Network Engineering

Bachelor's degree

Associate's degree

High School Diploma with experience

Tools

Cisco Call Manager

TACLANES

Encryption solutions

ServiceNow/JIRA

Job description

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time

Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological solutions to enable strategic objectives. We’re looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours by expanding your personal network and developing skills, whether you are new to the field or an industry thought leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career.

The Northrop Grumman CIDO Classified Solutions team is seeking a Sr. Network Communications to support information system lifecycle activities. The selected candidate will be required to work on-site, full-time at our Linthicum, MD location.

Responsibilities

• Perform Sr. Network Communications activities in support of classified government contracts.
• Define and execute long-term network architecture roadmaps, such as SDWAN, ZeroTrust, and cloud-enabled networking, ensuring alignment with enterprise security and compliance requirements.
• Lead the design, integration, and implementation of large-scale, multidomain networks supporting classified missions, and oversee network migrations and cyber resilience initiatives.
• Serve as a senior technical liaison to government customers and internal leadership, negotiating requirements, delivering status briefings, and participating in external technical forums, proposals, and procurement discussions.
• Author, maintain, and enforce enterprise-wide network standards, policies, and security frameworks; regularly audit compliance and champion continuous improvement initiatives.
• Provide advanced monitoring, analysis, and planning for network systems, coordinating third-party maintenance as needed and supporting environments through ticketing systems (e.g., ServiceNow, JIRA).
• Deliver third-level technical support for complex network, hardware, software, and telecommunications issues.
• Develop innovative technical solutions to complex problems, support project designs, clarify requirements, and ensure solutions adhere to established standards.
• Raise issues requiring management attention and measure performance against KPIs, implementing corrective actions to exceed operational standards.
• Provide senior-level technical expertise by mentoring junior and experienced team members, fostering their professional growth, and enhancing team capabilities.
• Lift and move equipment weighing up to 50 pounds.
• Work after hours and weekends, as needed.

Note: Due to the classified nature of the work being performed, this position does not offer any virtual or telecommute working options.

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.
• Applicants must have an active U.S. Government Secret level security clearance (at a minimum), to include a closed investigation date completed within the last 6 years, or must be enrolled in the U.S. Government Continuous Evaluation Program (CEP) in order to be considered; the required security clearance must be maintained as a condition of continued employment.
• Current Security+ and CCNA certifications; the required certifications must be maintained as a condition of continued employment.
• Demonstrated experience designing and maintaining complex LAN/WAN based networks to include analysis, enhancements of routers, switches, and firewalls.
• Experience supporting Video Teleconferencing (VTCs) and deploying audio/visual technologies in classified environments.

Preferred Qualifications:

• Bachelor’s degree Network Engineering.
• Active U.S. Government Top Secret security clearance.
• Experience supporting Cisco Call Managers or other similar technologies.
• Experience designing, implementing, and managing largescale, multidomain network architectures; expertise in advanced routing, security, and mission critical systems.
• Experience with configuring TACLANES, and/or encryption solutions.
• Experience with Assessment & Authorization processes.
• Experience troubleshooting network procedures and best practices; experience with network challenges associated with systems integration, including COTS integration, capacity analysis, and system architecture design.
• Evidence of published technical papers, patents, or internal knowledge‑sharing contributions.

We offer flexible work arrangements, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment. At Northrop Grumman, we are on the cutting edge of innovation. Our diverse portfolio of programs means there are endless paths to cultivate your career. We also offer exceptional benefits/healthcare, a 9/80 work schedule, and a great 401k matching program.

Primary Level Salary Range: $123,400.00 - $185,000.00

The 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.