Lockheed Martin · 12 hours ago
Network Engineer, Sr / Secret / Onsite - Fort Worth, TX
Fort Worth, TX
Full-time
Onsite
Senior Level
5+ years expLockheed Martin is seeking a Senior Network Engineer to join their Classified Network Operations Team in Fort Worth, TX. The role involves supporting classified network infrastructure, including maintenance, troubleshooting, and daily operations for various business lines, with a focus on collaboration components and network infrastructure management.
National DefenseCyber SecurityAerospaceManufacturingMachinery ManufacturingMilitaryNational SecurityRemote SensingSecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Experience with configuration and management of Cisco switches and CUCM
Experience with Cisco Call Manager and Jabber
Experience with configuration and management of Juniper or Palo Alto Firewalls
Minimum 5 years’ experience with TACLANEs (IE: KG175s/ KG250)
Confident in OSI model, IP addressing and subnetting
5+ years’ experience supporting and resolving network related issues
Ability to effectively communicate with other Classified Network Operations team members
Current CompTIA Security+ (or other DoD 8570.01) Certification (or ability to obtain certification)
Demonstrated ability to provide customer focused support building strong relationships with customers, key stakeholders, clearly communicating requirements
Active Secret Clearance (with ability to obtain Top Secret Clearance)
US Citizenship
Candidate must be able to lift 30 pounds
Support day to day maintenance of hardware appliances such as Cisco Switches, Palo Alto and Juniper Firewalls and type 1 encryption devices with a heavy focus on Collaboration components
Support networking tools such as Cisco ISE, Cisco DNA Center and Cisco Call Manager
Responsible for planned infrastructure upgrades, installation and cabling of network equipment
Qualification
Required
Experience with configuration and management of Cisco switches and CUCM
Experience with Cisco Call Manager and Jabber
Experience with configuration and management of Juniper or Palo Alto Firewalls
Minimum 5 years' experience with TACLANEs (IE: KG175s/ KG250)
Confident in OSI model, IP addressing and subnetting
5+ years' experience supporting and resolving network related issues
Ability to effectively communicate with other Classified Network Operations team members
Current CompTIA Security+ (or other DoD 8570.01) Certification (or ability to obtain certification)
Demonstrated ability to provide customer focused support building strong relationships with customers, key stakeholders, clearly communicating requirements
Active Secret Clearance (with ability to obtain Top Secret Clearance)
US Citizenship
Candidate must be able to lift 30 pounds
Preferred
General knowledge of DISA STIGs and hardening methods
Experience with support multi-site architecture
Palo Alto PNCSA or Juniper JNCIA/JNCIS Certification
Familiar with Software Defined networking (Cisco ACI, Cisco DNA Center, etc)
Experience with configuring and troubleshooting LAN and WAN connections
Ability to create and update network diagrams using Microsoft Visio
Company
Lockheed Martin
Lockheed Martin is a global security and aerospace company that specializes in advanced technology systems, products, and services. It is a sub-organization of Lockheed Martin.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$6.06BKey Investors
Air Force Research Laboratory
2025-12-05Post Ipo Debt· $3B
2025-08-28Post Ipo Debt· $3B
2023-11-13Grant· $33.7M
Leadership Team
Jim Taiclet
Chairman, President & CEO
Craig Martell
Chief Technology Officer
Recent News
Company data provided by crunchbase