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Sr. Network Engineer ​/ Secret ​/ Onsite: Sunnyvale, CA

Job in Sunnyvale, Santa Clara County, California, 94087, USA
Listing for: Lockheed Martin Corporation
Per diem position
Listed on 2026-07-30
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Security, Network Engineer
Job Description & How to Apply Below
Job Description

Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries.

Lockheed Martin Enterprise Operations (EO) is actively seeking an experienced network engineering professional to support our Space business area classified programs located in our Sunnyvale, California, US offices. Primary job responsibilities include, but are not limited to designing, installing, configuring, securing, hardening, remediating, troubleshooting, testing, upgrading and decommissioning of network switches, routers, firewalls, IDS/IPS, encryptors, physical cabling, protected distribution systems (PDS), data center planning & racking, identity services engine, and software defined networking.

Coordinating with fellow network engineers, program managers, information technology staff, information assurance staff, and program engineers are an essential part of the day-to-day responsibilities that ensures a successful synergy between program deliverables and the underlying classified network infrastructure.

The selected candidate will be responsible for the ongoing operations, maintenance and continuous improvement of multiple classified regional, campus, building and program network environments. This network engineering professional will ensure that the Space networks and network systems are managed, controlled and compliant with the Security Technical Implementation Guide (STIG) and the Risk Management Framework (RMF). If you are looking for a hands-on role with the flexibility to learn and apply a wide range of core technical capabilities, this position may be of interest to you.

This is a non-telecommuting position that requires you to be on-site and includes some regional travel, off-shift work and occasional weekend activities.

What's In It For You

From onsite to remote, we offer flexible work schedules to comprehensive benefits investing in your future and security, Learn more about Lockheed Martin's comprehensive benefits package here.

Do you want to be part of a company culture that empowers employees to think big, lead with a growth mindset, and make the impossible a reality? We provide the resources and give you the flexibility to enable inspiration and focus
-if you have the passion and courage to dream big, work hard, and have fun doing what you love then we want to build a better tomorrow with you.

Basic Qualifications

Active DoDSecret clearance and the ability to obtain a Top Secret clearance, and maintain it throughout the life span of the position
This position requires the ability to obtain a Current DoD 8570.01-M IAT Level II or III certification within 120
Days (i.e., Security+, CASP, CISSP), and maintain it throughout the life span of the position
ship required for access to the work facility
Minimum of five years' experience Cisco Networks or Juniper networking equipment, operating system functions, and security hardening
Currently have or ability to obtain CCNA/CCNP
Must be an effective communicator with excellent writing and presentation skills using Microsoft PowerPoint and Visio drawing tools
Motivated individual with the ability to learn and implement new technologies
Ability to move, rack, stack and install physical equipment by lifting up to 30 lbs.

Desired skills

Bachelor of Science degree from accredited University
Active DOD Top Secret clearance (investigation within 5 years)
Current DoD 8570.01-M IAT Level II or III certification (i.e., Security+, CASP, CISSP)
Experience working with and troubleshooting of IGP routing protocols such as OSPF or EIGRP
Experience working with L2 and L3 Multicast protocols

Experience with MPLS L2

VPNs
Experience working with encryption technologies such as IPSec and MACSec
Experience configuring and troubleshooting General Dynamics Taclanes
Network administration experience supporting United States Government classified environments
Experience in applying DISA STIGs and resolving security vulnerabilities
Fundamental understanding of the OSI model
Knowledge of network protocols such as TCP/IP, UDP, SMTP, NFS, DHCP, DNS, FTP, Telnet and SSH
Demonstrated experience with Cisco switching technology, and port-channeling
Knowledge, skill sets or experience using protocol analyzers/sniffers (e.g., Wireshark)
Working knowledge of Cumulus Linux and Red Hat Enterprise Linux

Experience with network monitoring protocols that include SNMP and Net Flow
Currently have or ability to obtain CCNA/CCNP and Juniper Certifications
Have interest in developing automation processes with tools such as Ansible, Terraform, Python, etc.

EEO

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected…
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