Software Engineer Sr - E3

Lockheed Martin Corporation; Herndon (VA); On-site; USD 110,000 - 205,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Flexible work arrangements

401(k) match

Paid time off

Holidays

Parental Leave

EAP

Life Insurance

Job summary

Lockheed Martin Space is pursuing software engineers to design, develop, test, and maintain mission-critical software across front-end, back-end, and data components. You will operate in an Agile team using Microsoft-based technologies and CI/CD pipelines to deliver reliable, scalable solutions.

Applicants should have 3+ years in software development and strong OO programming skills, with experience in C#, Java, C++, or Python. A TS/SCI with CI polygraph is required where applicable.

Qualifications

• 3+ years or equivalent experience in a software development discipline.
• Object-oriented software development experience (C#, Java, C++, or Python)

Responsibilities

• Plans, conducts, and coordinates software development activities.
• Designs, develops, documents, tests, and debugs software solutions across front-end, back-end, and database components.
• Works in an agile development environment with Microsoft-based technology, including CI/CD pipeline integration and maintenance.

Skills

C#

Java

C++

Python

Object-Oriented Programming

CI/CD

Agile

Tools

WCF

Web Front-End

Back-End

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.

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.

Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by means of data processing equipment. Applies the appropriate standards, processes, procedures, and tools throughout the development life cycle. Applies knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software. Corrects program errors, prepares operating instructions, compiles documentation of program development, and analyzes system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. Ensures software standards are met. Will work as part of a team in an agile development environment using primarily Microsoft-based technology. Responsibilities may span software development, CI/CD pipeline integration and maintenance, new development, legacy system maintenance, and integration of new technologies. Includes WCF and web front‑end, back‑end, database, and scripting development assignments.

Basic Qualifications

3 or more years or equivalent experience working in a software development discipline

Object-oriented software development experience (C#, Java, C++, or Python)

TS//SCI clearance with a CI polygraph required

Desired Skills

Strong communication skills with the ability to learn quickly and to work independently

Willingness to take on new roles as experience is gained

C#, SQL, REACT, TypeScript, JavaScript, and Powershell experience

Scrum master, team lead, or software architecture experience

Windows platform development experience

AI integration experience

Security+ certification

IT or system administration experience is a positive

Proficiency in AI promprting as it applies to this position and practice

#LMSpaceSoftwareEng

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
• 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.