Software Engineer Sr.

Basic Qualifications

Master's or Bachelor's degree in Electrical Engineering, Mechanical Engineering, Software Engineering or Computer Science

Experience: 5+ years of professional software development experience

Technical Skills: Proficiency in one or more primary languages (e.g., C++, Java, Python)

Agile Mindset and Methods: Agile values and principle, Kanban/Scrum, Test Driven Development (TDD), DevOps

Soft Skills: Excellent verbal and written communication skills problem solver, team oriented, a generalist by nature

Interpreted Languages: Python or any other scripting languages (scripting, automation, test harnesses)

Operating Systems and Shell: Windows, Linux, Powershell, Bash

Object‑Oriented Design: Ability to design, implement, and extend class hierarchies, apply SOLID principles, and write reusable components

Data Structures & Algorithms: Comfortable with common structures (lists, maps, trees, graphs) and algorithmic thinking (search, sort, recursion)

Version Control: Git (branching, merging, rebasing, pull‑request workflow)

Build Systems: Basic knowledge of one or more of the following: CMake, Make, MSBuild, or Gradle; ability to create and maintain build scripts

Debugging & Profiling: Use of IDE debuggers

Test‑Driven Development: Write unit tests (Boost, JUnit, PyTest, NUnit) and understand code coverage metrics

Continuous Integration: Familiarity with CI pipelines (Jenkins, Azure DevOps, GitLab CI) and automated build/test triggers

Code Reviews: Participate in peer reviews, give constructive feedback, and follow coding standards

Documentation: Produce clear design docs, inline code comments, and maintain wikis or Confluence pages

Configuration Management: Understand change‑control processes (CRs, MRBs) and traceability requirements in regulated environments

IDE Proficiency: Visual Studio, CLion, VSCode, or Eclipse

Issue Tracking: JIRA or similar agile framework tooling

Collaboration: Experience working in cross‑functional teams (hardware, systems, test) and communicating status effectively.

Agile Methodologies: Participation in sprint planning, daily stand‑ups, retrospectives (Scrum/Kanban)

Problem‑Solving: Ability to break down complex requirements into iteratively deliverable value units

Communication: Clear written and verbal updates to stakeholders; ability to produce concise design docs

Mentorship: Provide guidance to junior engineers and be receptive to feedback from seniors

Adaptability: Quickly learn new languages, frameworks, or domain knowledge as project evolves

Reliability & Accountability: Deliver high‑quality code on schedule, understand impact of defects in safety‑critical systems

No Clearance required to Start but must have the ability to obtain and maintain a Top Secret Clearance (Must be a US Citizen)

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 Software Engineer Sr. is a senior individual contributor who contributes to the design, development, and delivery of complex software systems. You will collaborate with other team engineers, contribute to architectural decisions, and architects, collaborate cross‑functionally to ensure high‑quality, scalable, and secure software/systems solutions that align with business objectives.

• Design & Development: Architect, design, and implement high‑performance, maintainable, and testable code in alignment with product roadmaps.
• Collaboration: Partner with product managers, UX designers, data scientists, and stakeholders to translate requirements into robust solutions.
• Quality Assurance: Contribute to the adoption of automated testing, CI/CD pipelines, and monitoring to ensure reliability and rapid feedback.
• Performance Optimization: Identify bottlenecks, conduct profiling, and implement optimizations for latency, throughput, and cost efficiency.
• Security & Compliance: Incorporate security best practices, perform threat modeling, and ensure compliance with relevant standards (e.g., ISO‑27001, NIST).
• Innovation: Research emerging technologies, evaluate their applicability, and introduce innovative approaches where beneficial.
• Documentation: Produce clear technical documentation, design specifications, operational runbooks, etc..
  
  

Desired Skills

Experience developing for multiple processor architectures and platforms (e.g. x86, ARM, Versal ACAP)

Security Clearance Awareness: Knowledge of handling classified or export‑controlled information per internal policies (no details disclosed)

Model‑Based Development: Familiarity with tools such as MATLAB/Simulink, SysML or Model‑Based Design flow (optional but a plus)

Real‑time & Embedded Systems: Basics of RTOS concepts, scheduling, interrupt handling, and low‑level hardware interaction

Networking & Protocols: Understanding of TCP/IP, UDP, and aerospace‑specific protocols (e.g., ARINC429, MIL‑STD‑1553)

Static Analysis / Security: Familiarity wit static analysis tools (Cppcheck, SonarQube), understand basic secure‑coding guidelines (e.g., OWASP, MISRA‑C)

Active Top Secret Clearance

Other Important Information

By 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 remotely

Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.