Network Engineer​/Level 3

Basic Qualifications

• +3 years of Network Engineering experience (design, implementation, troubleshooting of complex network infrastructure)
• Deep knowledge of OSI/TCP/IP Models, Layer 2/3 technologies (VLAN, OSPF, BGP), and hands‑on experience with either Cisco/Juniper Devices (both preferred)
• Familiarity with one or more of the following: DISA STIGs, COMSEC, and/or TACLANEs
• Active Security+ CE (or equivalent IAT Level II) required or ability to obtain within 60-90 days
• Active Secret clearance required prior to start and ability to obtain TS/SCI clearance

Lockheed Martin is seeking a highly skilled Level 3 Network Engineer with an active Secret clearance to work from our Boulder, CO, location. This role requires a BS degree and 3+ years of professional experience.

The Overhead Persistent Infrared (OPIR) Infrastructure Team is seeking a Network Engineer to design, build, and sustain the ground‑station platform that supports both SBIRS and the Next‑Gen GEO OPIR ground stations. In this role you will work closely with software, security, and mission engineers to deliver ultra‑reliable, secure, and scalable ground‑systems that enable continuous infrared surveillance and missile‑warning capabilities for legacy and next‑generation satellite constellations.

• Design and plan network communications systems
• Provide specifications and detailed schematics for network architecture
• Provide specific detailed information for hardware and software selection, implementation techniques and tools for the most efficient solution to meet business needs, including present and future capacity requirements
• Conduct testing of network design
• Maintain technical expertise in all areas of network and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, hubs, bridges, gateways, etc. Evaluate and report on new communications technologies to enhance capabilities of the network

• Multi‑vendor switching/routing expertise (Juniper, Cisco) with certifications i.e. CCNA, JNCIA, or higher
• Experience with SDN such as Cisco ACI or Juniper Apstra
• Experience with network automation tools such as Ansible
• Exposure to virtualization technologies i.e. VMware, vSAN
• Ability to work effectively in a collaborative, agile scrum environment
• Proficient with Microsoft PowerPoint and Visio

• Medical
• Dental
• 401k
• Paid time off
• Work/life balance
• Career development
• Mentorship opportunities
• Rewards & recognition

Onsite Full‑time:
The work associated with this position will be performed on site at a designated Lockheed Martin facility in Boulder, CO. Ability to work remotely is not applicable.