Network Engineer Sr

Basic Qualifications +3 years of Network Engineering experience i.e. 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.Job DescriptionWHO WE ARELockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering.What We're DoingReady to make a difference? Join a team where your network expertise will keep the sensors that watch the sky running flawlessly, give our warfighters the split‑second advantage they need, and help keep the world safe. SBIRS and the Next‑Gen GEO OPIR ground stations form the backbone of the United States’ missile‑warning architecture. By delivering near‑real‑time, high‑confidence detection of ballistic missile launches and other hostile trajectories, these systems provide life‑saving early warning for the warfighter, enable rapid decision‑making, and support cueing of defensive interceptors and command‑and‑control assets. Your work will directly protect troops, allies, and critical infrastructure worldwide.THE WORKLockheed Martin is seeking a highly skilled Network Engineer with an active Top Secret clearance to work from our Boulder, CO, location.This is a MID CAREER (level 3) ROLE where candidates typically require 3+ years of professional experience and a BS degree.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.As Network Engineer You Will 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. Evaluates and reports on new communications technologies to enhance capabilities of the network.If you think this describes you and you are looking for an opportunity to grow and challenge yourself then we would love for you to apply!WHY JOIN USOpportunity for Impact: Join a team that is at the forefront of innovation in the aerospace and defense industry and make a significant impact on the success of our organization.Professional Development: Take advantage of unparalleled opportunities for growth and advancement within Lockheed Martin, with access to world-class training and development programs.Collaborative Culture: Work alongside some of the brightest minds in the industry who share your passion for excellence and who are committed to supporting each other's success.Competitive Benefits: Lockheed Martin employees play an active role in strengthening the quality of life where we live and work by volunteering more than 850,000 hours annually. Here are some of the benefits you can enjoy: Medical Dental 401k Paid time off Work/life balance Career development Mentorship opportunities Rewards & recognitionWe care about our employees and offer a generous benefits package: 401K, PTO, and work/life balance and more.Desired Skills 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.Other Important InformationBy applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.Ability to work remotelyOnsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.