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Working at Lockheed Martin

Software Engineer

King of Prussia, Pennsylvania

King of Prussia, Pennsylvania

Job Responsibilities

Job ID: 729284BR Date posted: May. 21, 2026
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 Staff Software Engineer is a senior individual contributor who leads the design, development, and delivery of complex software systems. You will mentor engineers, drive architectural decisions, and collaborate cross‑functionally to ensure high‑quality, scalable, and secure software/systems solutions that align with business objectives.

- Technical Leadership: Define and champion software architecture, standards, and best practices across multiple projects and/or product lines.
- Design & Development: Architect, design, and implement high‑performance, maintainable, and testable code in alignment with product roadmaps.
- Mentorship & Coaching: Provide technical guidance, code reviews, and career development support to engineers ranging from junior to senior levels.
- Collaboration: Partner with product managers, UX designers, data scientists, and stakeholders to translate requirements into robust solutions.
-Quality Assurance: Drive 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..
Basic Qualifications:
Compiled Languages: C/C++, Java or C#

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

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

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

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

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 will need to obtain and maintain a Top Secret security clearance (Must be a US citizen)
Desired Skills:
Security Clearance Awareness Knowledge of handling classified or export‑controlled information per internal policies (no details disclosed)

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

Safety‑Critical Standards Awareness of DO‑178C, ISO 26262, or MIL‑STD‑498 compliance concepts (requirements traceability, verification)

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

Networking & Protocols Understanding of TCP/IP, UDP, and aerospace‑specific protocols (e.g., ARINC 429, MIL‑STD‑1553)

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)

Test‑Driven Development TDD: 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

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

Active TS/SCI security clearance

#LMSpaceSoftwareEng
#SpaceSecurity
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Top Secret
Other Important Information You Should Know
Expression of Interest: 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.
Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: 9x80 every other Friday off
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: SPACE
Relocation Available: Possible
Career Area: Software Engineering
Type: Full-Time
Shift: First
Apply Now

About

At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

Pioneering Defense Technology: From aerospace to outer space to cyber space, you can innovate mission solutions alongside the best minds in the business.

United By Culture: Excellence, integrity, and collaboration define us. We accelerate change and embrace one another’s perspectives to win for our customers.

Real Impact, Real Growth: Grow your career and skills for life. Our wide array of opportunities and technology-driven learning programs enable your development and agility.

Your Health, Your Wealth, Your Life: Competitive pay, comprehensive benefits and flexible schedules designed so you thrive — at work and beyond.

Empowered to Be Your Best: Use your strengths to make a difference in the lives of one another, our customers, our communities, and our planet.

Here, the possibilities are endless because we offer:

  • Flexible Schedules, dependent on role
  • Levels: Student, Entry, Mid, Senior, Management
  • Locations: Nationwide & OCONUS Positions

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Qualifications

See what it takes to be a successful Lockheed Martin employee.

  • Collaborative

    There is no innovation without imagination. You bring new, different and exciting ideas to the table every day. You are committed to the success of your team.

  • Curious

    The ability to explore and drive new ideas. You think innovatively to come up with creative solutions to complex challenges.

  • Goal-oriented

    From planning and organizing to decision making, goal orientation produces impactful results. You set goals and strive to make things happen quickly and efficiently.

  • Proactive

    The ability to anticipate, plan and prepare for what lies ahead. You act rather than react to potential situations.

  • Problem Solver

    You work to tackle tough problems with complex solutions.

  • Strategic

    You observe, reflect and analyze processes to make more informed decisions.

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Quote

“Before I came to Lockheed Martin, I never thought I’d get these opportunities. The benefits available and the company’s value culture make it an incredibly supportive place to work, and I’m grateful to work somewhere that wants me to succeed. I hope to have a long career here making an impact, and I know I’ll be supported in doing that every step of the way.”

Ryan J., Enterprise Operations

Benefits

  • Healthcare

    Medical, Dental and Vision coverage is available for employees who opt-in.

  • 401(k)/Retirement Plans

    Our 401(k) plan features generous matching and company contributions.

  • Professional Development

    We support our employees through mentoring, internal & external educational programs, networking, skills enhancement and career-building programs.

  • Maternity and Paternity Leave

    Our generous parental leave policies support your journey into parenthood. When you return to work, our facilities offer mother's rooms to support your transition and work/life balance.

  • Paid Time Off

    We offer PTO, paid holidays and paid time off for jury duty and military obligations.

  • Flex-time

    Depending on the position, we offer flexible work schedules.

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