Information Technology - Network Engineer

Join Lockheed Martin’s Classified Transformation team as a Network Engineer and play a crucial role in revolutionizing the delivery of secure IT services across multiple classified sites. Be a part of a high-impact mission supporting the US Department of Defense, where your expertise will drive the integration, optimization, and sustainment of complex, multi-vendor network environments. This is an opportunity to shape the future of IT infrastructure in a collaborative and innovative setting.

[Responsibilities]

• Configure, manage, and optimize Cisco routers and switches for classified networks across diverse locations.
• Support system administration teams in deploying, upgrading, and troubleshooting network and server hardware.
• Manage and configure Juniper and Palo Alto firewalls to ensure robust network security.
• Oversee network monitoring using SNMP, Netflow, and telemetry tools to maintain high service availability.
• Provide Tier 3 technical troubleshooting for switch and router technologies in enterprise and supercomputing environments.
• Install, upgrade, and maintain network hardware and associated systems.
• Collaborate across organizational boundaries, building relationships with key stakeholders for effective IT service delivery.
• Contribute to the operations center for ongoing sustainment and incident response.
• Travel as required to support new site deployments and sustainment activities.

10+ years’ experience in network engineering, including hands-on Cisco router and switch configuration.

• Proficient with SVI’s on Layer 2 architectures and peer-to-peer networking.
• Experience with Taclanes and Gemone.
• Skilled in managing Palo Alto and Juniper firewalls.
• Strong understanding of TCP/IP, IP addressing, subnetting, and system architectures for multi-site environments.
• Familiarity with Cisco VoIP systems and enterprise server interactions.
• Expertise in network monitoring tools (SNMP, Netflow, telemetry).
• Advanced troubleshooting of switch and router technologies.
• Proficiency in Linux and Windows OS for daily network management.
• Demonstrated ability to work independently, foster cross-team collaboration, and communicate requirements clearly.
• DoD SECRET Clearance and CompTIA Sec+ certification required.

[Preferred Skills]

• Experience with VXLAN and software-defined data center networking (Cisco ACI, VMware VSX, Arista, Big Switch).
• Proficiency in Linux/UNIX shell scripting and network automation tools (Ansible, NETCONF, YANG).
• Knowledge of PKI Certificate Authorities and IPSEC VPN implementation.
• Experience managing vendor relationships for root cause analysis and escalations.
• Familiarity with DevOps and CiCD pipelines.

Competitive compensation and comprehensive benefits package.

• Opportunities for professional growth, training, and advancement within a global leader in defense technology.
• Collaborative, mission-driven work environment.
• Direct impact on high-stakes national security projects.