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# Software Engineer Sr - E3

- **Company:** Lockheed Martin
- **Location:** Potomac, MD, United States
- **Experience:** Expert
- **Salary:** $110,300.0 - $204,900.0
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Amazon Web Services, JIRA, C++ (Programming Language), Collaborative Software, Computer Networks, Linux, Network Interface Controllers, Field-Programmable Gate Array (FPGA), Internet Protocol Security (IP SEC), Multi-protocol Systems, Python (Programming Language), Network Protocols, Server Administration, Software Engineering, Software Requirements Analysis, Systems Integration, Virtualization Technology, AWS Cdk, Infrastructure as Code (IaC), Juniper, Gitlab, Containerization, Kubernetes, Cisco, Docker
- **Published:** November 6, 2026
- **Apply:** https://www.careerbuilder.com/job-details/software-engineer-sr-e3-rockville-md--b745e444-cf4d-4a45-9398-e65e9e97b9c0

## About the Role

Software Engineering, Cost Control, Computer Networks, Prototyping, Risk Management, Communication Skills, Team Player, Problem Solving Skills, Software Administration, Software Development, The successful candidate will have a commendable work ethic, good communication skills, a great attitude, be a results-oriented team player, creative thinker, and problem-solver, and follow all ethical standards of the Lockheed Martin Corporation., * Software development experience and proficiency in C++, Linux, and Python

 * Experience with Agile development methodologies and collaboration tools (e.g., Jira, GitLab)
 * Familiar with Interface Control Document (ICD) definitions
 * Experience with taking a design from early architecture stages through development and test
 * Familiar with standard network protocols - IP, MPLS, IPSec and packet forwarding concepts
 * Experience with embedded systems and hardware software integration
 * Ability to support occasional short-term domestic business travel (up to 25%)
 * Ability to obtain a US government security clearance (US citizenship required)

Desired Skills

 * Familiarity with containerization and virtualization technologies (e.g., Docker, Kubernetes, VMs)
 * Experience in requirements definition
 * Experience with COTS Cisco/Juniper routers configuration and testing
 * Experience with AWS, including AWS CDK and Infrastructure as Code (IaC)
 * Networking-related certifications such as Cisco DevNet Associate, CCNA, or CCNP
 * Familiarity with FPGA/adaptive SoC evaluation boards (e.g., AMD Versal VCK190)
 * Excellent communication skills
 * Ability to work in a fast-paced environment