Senior Network Engineer - Onsite Greenville | 24x7 On-Call

Lockheed Martin Corporation; Greenville (SC); On-site; USD 85,000 - 158,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k) match

Paid time off

Holidays

Parental Leave

Educational Assistance

Job summary

Lockheed Martin in Greenville, SC is seeking a Senior Network Engineer to support Aero and other business-area networks on-site. You will manage the corporate network infrastructure, perform upgrades, and maintain documentation and diagrams with Visio. The role includes a 24x7 on-call rotation and potential travel.

Candidates should have extensive networking experience, Cisco device expertise, and relevant certifications (CCNP or equivalent). US citizenship is required.

Qualifications

• Experience supporting network infrastructure.
• Experience with Cisco devices and upgrading iOS.
• CCNA or equivalent experience in the industry.
• Strong TCP/IP knowledge including subnetting and IP addressing.
• Ability to work on-site or remotely as needed.
• Familiarity with network diagram creation using Visio.
• Willingness to participate in a 24x7 on-call rotation.
• U.S. Citizenship is required for program access.

Responsibilities

• Support corporate-wide network infrastructure and operations.
• Perform upgrades, maintenance, and incident response for network devices.
• Create and maintain network diagrams and documentation.
• Coordinate new installations and technical refreshes at Aero sites.
• Provide remote support for multiple sites and ensure security compliance.

Skills

Cisco devices

Network infrastructure

Networking troubleshooting

TCP/IP & subnetting

Visio diagrams

Executive briefings

On-call rotation

Security clearance readiness

Education

CCNP certification

Security+, CASP+, or CISSP certification

Tools

Visio

ServiceNow

Service Central

Network monitoring tools

Job description

Lockheed Martin in Greenville, SC is seeking a Senior Network Engineer to support Aero and other business-area networks on-site. You will manage the corporate network infrastructure, perform upgrades, and maintain documentation and diagrams with Visio. The role includes a 24x7 on-call rotation and potential travel.

Candidates should have extensive networking experience, Cisco device expertise, and relevant certifications (CCNP or equivalent). US citizenship is required.