Software Engineer Sr - E3

Posted 3 Days Ago
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Rockville, MD, USA
Hybrid
110K-205K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Develops and integrates software for a space-based software-defined networking experiment. Responsibilities include software design, C++/Linux/Python development, embedded hardware integration, router configuration, network scenario testing, Agile collaboration, and critical test preparation. The role supports architecture through development and test, using protocols such as IP, MPLS, and IPSec. Occasional domestic travel to support testing in Rockville, Maryland, is required.
Summary Generated by Built In
Standard Job Description

Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire, and integrate our capabilities to transform the future. 
At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity.
Join us in shaping a new era in space and find a career that's built for you.
The selected candidate will support the Space Data Networking Experimentation (SDNX) risk reduction for the fielding of a future Hybrid Space Network (HSN) by prototyping an advanced hardware network appliance for use with software defined networking technology.

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.
The responsibilities include supporting software design and development activities using the best software development practices as well as supporting critical test preparation and events that will occur in the Rockville, MD facility. Candidate will also perform integration with router products, network configuration, and scenario testing.

Basic Qualifications
  • 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

Pay Information

Full-Time Salary Range: $110300.00 - $204900.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.  

Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

  • Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
  • For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.

Skills Required

  • Software development experience and proficiency in C++, Linux, and Python
  • Experience with Agile development methodologies and collaboration tools such as Jira and GitLab
  • Familiarity with Interface Control Document definitions
  • Experience taking a design from early architecture through development and test
  • Familiarity with 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 United States government security clearance
  • United States citizenship
  • Familiarity with Docker, Kubernetes, virtual machines, or related containerization and virtualization technologies
  • Experience in requirements definition
  • Experience configuring and testing COTS Cisco or Juniper routers
  • Experience with AWS, AWS CDK, and Infrastructure as Code
  • Networking certifications such as Cisco DevNet Associate, CCNA, or CCNP
  • Familiarity with FPGA or adaptive SoC evaluation boards, such as AMD Versal VCK190
  • Excellent communication skills and ability to work in a fast-paced environment

Lockheed Martin Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lockheed Martin and has not been reviewed or approved by Lockheed Martin.

  • Retirement Support — Retirement benefits are described as a standout element, with a strong 401(k) program and options like an employee stock purchase plan. Feedback suggests these features meaningfully enhance total compensation and long‑term financial security.
  • Healthcare Strength — Healthcare coverage is portrayed as comprehensive from day one, with multiple plan options, mental health resources, and virtual care. Wellness supports such as on‑site services and preventive programs are also highlighted.
  • Flexible Benefits — Work arrangements often include compressed schedules and telework, contributing to a favorable work‑life balance. Feedback suggests this flexibility is a key reason many view the overall package positively.

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The Company
HQ: Bethesda, MD
108,588 Employees
Year Founded: 1912

What We Do

Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

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