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Software Engineer Sr - E3

Lockheed Martin

At a glance

Software Engineer Sr - E3 with Lockheed Martin in King of Prussia, PA, paying $110,300–$204,900 a year ($53.03–$98.51 an hour). Posted Oct 21, 2026.

Pay
$110,300–$204,900 a year ($53.03–$98.51 an hour)
Location
King of Prussia, PA
Employment type
Full-time
Employer
Lockheed Martin (government contractor)
Posted
Oct 21, 2026
Who can apply
Top Secret clearance required

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Job Description

Basic Qualifications

2 years of professional experience in software engineering and/or software development
Demonstrated ability and desire to be self-sufficient and apply critical thinking skills to troubleshoot complex hardware and software issues
Demostrated ability to communicate effectively working on small collaborative teams
Demonstrated proficiency in software engineering using modern object oriented languages such as C/C++, C#, Java, Python, Ruby
Familiarity with Agile Development processes and tools such Jira, Confluence and GitLab
No clearance required to start. Ability to obtain and maintain a Top Secret clearance

Desired Skills

Test Automation Experience
Familiarity with Infrastructure as Code and CI/CD
Familiarity with Common Software Design Patterns and Architectures
Familiarity with Object Oriented programming paradym
C/C++ coding experience with the ablity to read and understand C/C++ code

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.

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