Software Engineer Sr - E3

Lockheed Martin; King of Prussia (PA); On-site; USD 110,000 - 205,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

401(k) match

Paid Time Off

Job summary

Lockheed Martin in King of Prussia, PA is seeking a Software Engineer to plan, conduct, and coordinate software development activities. You will design, develop, document, test, and debug software addressing mission and business problems with data processing solutions.

The role requires proficiency in modern languages, API and frontend tech, containerization, and agile methods; U.S. citizenship and active DoD Top Secret clearance are required.

Qualifications

• Proficiency in Java, C#, Python, or JavaScript/TypeScript; strong understanding of object‑oriented design.
• Hands‑on experience with RESTful APIs, HTML5, CSS3, modern JavaScript frameworks (React/Angular/Vue), and UI/UX best practices.
• Familiarity with pipelines (Jenkins, GitLab CI, Azure DevOps), containerization (Docker, Kubernetes), and version control (Git).
• Proven track record working in Scrum or Kanban teams; comfortable with iterative development and rapid feedback cycles.
• US citizenship is required to obtain a government security clearance
• Active DOD Top Security Clearance with an investigation or Continuous Vetting (CV) date within 5 years

Responsibilities

• Plan, conduct, and coordinate software development activities.
• Design, develop, document, test, and debug software addressing business/mission problems.
• Apply standards, processes, and tools throughout the development life cycle.
• Ensure software standards are met.

Skills

Java/C#/Python/JS

RESTful APIs

JS Frameworks

CI/CD

Docker/Kubernetes

Git

Agile/Scrum

Tools

Jenkins

GitLab CI

Azure DevOps

Job description

Standard Job Description

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.

Basic Qualifications

• Proficiency in modern languages such as Java, C#, Python, or JavaScript/TypeScript; strong understanding of object‑oriented design and principles.
• Hands‑on experience with RESTful APIs, HTML5, CSS3, modern JavaScript frameworks (e.g., React, Angular, Vue), and UI/UX best practices.
• Familiarity with pipelines (Jenkins, GitLab CI, Azure DevOps), containerization (Docker, Kubernetes), and version control (Git).
• Proven track record working in Scrum or Kanban teams; comfortable with iterative development and rapid feedback cycles.
• US citizenship is required to obtain a government security clearance
• Active DOD Top Security Clearance with an investigation or Continuous Vetting (CV) date within 5 years

Desired Skills

• Experienced with Horizon software application providing command and control services for satellites, antennas, and ground hardware assets.
• Experience in application containerization (e.g. Docker, Kubernetes, Helm, etc.) in a cloud environment (AWS/Azure/Openstack/Openshift)
• Hands‑on experience with RESTful APIs, HTML5, CSS3, modern JavaScript frameworks (e.g., React, Angular, Vue), and UI/UX best practices.
• Domain Experience in Mission Management, Planning and Scheduling, Orbital Mechanics, SSA (Space Situational Awareness)

#LMSpaceSoftwareEng

#SpaceSecurity

#SpaceNSS

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.