Senior Principal Network Architect – Classified, On-site

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

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.