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# Network Engineer Sr - E3

- **Company:** Lockheed Martin
- **Location:** King of Prussia, PA, United States
- **Experience:** Expert
- **Salary:** $95,900.0 - $178,100.0
- **Contract:** Permanent contract
- **Skills:** Secure Shell (SSH), Agile Methodology, Artificial Intelligence, Confluence, JIRA, Computer Networks, Dynamic Host Configuration Protocol, Domain Name System (DNS), Electronic Data Interchange (EDI), Data-Flow Analysis, Network Layer, Simple Mail Transfer Protocols, Network Architecture, Network File Systems, Scrum Methodology, Red Hat Enterprise Linux, Ansible, Satcom, Sniffers, Software Engineering, Data Streaming, TCP/IP, Telnet, Wireshark, Virtualization Technology, File Transfer Protocol (FTP), Computer Equipment, Information Technology, Performance Monitor, Terraform, Vmware
- **Published:** October 23, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3466469698&tx=VT7065TTD&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* Active Final DoD Secret clearance with the ability to obtain and maintain TS/SCI.
 * Proven experience with Software Defined Networking (SDN) and Data Flow Analysis .
 * Current or ability to obtain CCNA/CCNP certification.
 * Fundamental knowledge of network protocols: TCP/IP, UDP, SMTP, NFS, DHCP, DNS, FTP, Telnet, SSH , and firewall policy design.

Desired Skills

 * DoD 8570.01-M IAT Level II or III certification (e.g., Security+, CASP, CISSP).
 * Experience operating within Red Hat based environments .
 * Familiarity with DISA STIG checklists and hardening of Layer 2/Layer 3 switches.
 * Hands-on experience with Type 1 encryption devices (e.g., TACLANE).
 * Proficiency using protocol analyzers/sniffers such as Wireshark.
 * Interest/experience with automation tools (Ansible, Terraform, etc.).
 * Knowledge of military SATCOM systems and secure communication protocols.
 * Experience with virtualization technologies , including VMware.
 * Familiarity with Agile development tools (JIRA, Confluence).
 * Strong problem-solving ability, attention to detail, and capacity to manage multiple tasks efficiently.
 * Strong written and verbal communication skills; ability to collaborate in a fast-paced, team oriented environment.
 * Proficient in AI prompting as it applies to this position and practice

#LMSpaceSystemsEng

## Description

Lockheed Martin is seeking a talented Network Engineer with a Final DoD Secret clearance to work on mission-critical Military Satellite Communications (SATCOM) Ground systems within an Agile Development Environment. You will be a key member of the Component Integration Team, assisting in the design, implementation, and sustainment of Ground Systems that support secure, high-performance communications. As a, * Develop detailed specifications and schematics for network architecture, hardware selection, and implementation tools that address current and future capacity requirements.

 * Conduct testing and validation of network designs, including data-flow analysis, performance monitoring, and troubleshooting.
 * Evaluate emerging communications technologies and recommend enhancements to improve network capability, resiliency, and security.
 * Implement Software Defined Networking (SDN) solutions and integrate them with existing infrastructure.
 * Provide technical expertise on network and computer hardware/software interconnection, ensuring seamless data exchange between applications and remote locations.
 * Participate in Agile ceremonies (sprint planning, daily standups, sprint reviews, retrospectives) to deliver high-quality solutions continuously.