Software Engineer Sr - E3

Posted 4 Hours Ago
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King of Prussia, PA, USA
In-Office
110K-205K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Develops, tests, debugs, documents, and maintains software for business or mission applications. Applies software development standards, Agile practices, CI/CD, containerization, and cloud technologies throughout the development lifecycle. Resolves program errors and system capability issues while ensuring quality standards. Preferred experience includes technical leadership, SRE practices, Linux and shell scripting, and Java or Python development. The role supports space-related mission applications and requires an active Top Secret clearance with eligibility for Top Secret/SCI access.
Summary Generated by Built In
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
• Experience developing software in any of the following languages: Java, C++, JavaScript, Python
• Experience with application containerization (Kubernetes, Helm, Docker, Containerd) in a cloud environment (AWS, Azure, OpenStack, OpenShift)
• Experience working in an Agile development environment, using tools such as JIRA and Confluence
• Experience with CI/CD - Deployment pipelines, automated build, and configuration tools (Gitlab, ArgoCD)
• Must be a US Citizen; Must have a current Top Secret clearance with the ability to obtain and maintain a Top Secret/SCI security clearance. This position is located at a facility that requires special access.
Desired Skills
• Recent on-program experience as a technical lead (e.g., architecture design, technical research, project management, define/enforce code quality standards, etc.)
• Development experience with any of the following programming languages: Java or Python
• Recent on-program Site Reliability Engineering (SRE) experience (e.g., automation, incident management, monitoring, optimization, programming/scripting, metrics, security, etc.)
• Development experience with Linux and shell scripting (e.g., bash)
• Familiarity with the Space Domain
• Ability to communicate effectively and work in a collaborative environment
• Ability to communicate verbally and in writing at a professional level
• Demonstrated ability to establish strong team relationships and deliver exceptional results
• Strong critical thinking and problem-solving skills
• Ability to work effectively in a fast-paced and rapidly changing environment
• Strong time management skills that enable on-time project delivery
• Active TS/SCI security clearance
#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.

Skills Required

  • Experience developing software in Java, C++, JavaScript, or Python
  • Experience with application containerization using Kubernetes, Helm, Docker, or Containerd in a cloud environment
  • Experience working in an Agile development environment using tools such as JIRA and Confluence
  • Experience with CI/CD deployment pipelines, automated builds, and configuration tools such as GitLab or Argo CD
  • Must be a US citizen
  • Must have a current Top Secret clearance and the ability to obtain and maintain Top Secret/SCI clearance
  • Recent on-program experience as a technical lead
  • Development experience with Java or Python
  • Recent on-program Site Reliability Engineering experience
  • Development experience with Linux and shell scripting, such as Bash
  • Familiarity with the space domain
  • Professional verbal and written communication skills
  • Ability to establish strong team relationships and deliver results
  • Strong critical-thinking and problem-solving skills
  • Ability to work effectively in a fast-paced, rapidly changing environment
  • Strong time-management skills enabling on-time project delivery
  • Active TS/SCI security clearance

Lockheed Martin Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lockheed Martin and has not been reviewed or approved by Lockheed Martin.

  • Retirement Support — Retirement benefits are described as a standout element, with a strong 401(k) program and options like an employee stock purchase plan. Feedback suggests these features meaningfully enhance total compensation and long‑term financial security.
  • Healthcare Strength — Healthcare coverage is portrayed as comprehensive from day one, with multiple plan options, mental health resources, and virtual care. Wellness supports such as on‑site services and preventive programs are also highlighted.
  • Flexible Benefits — Work arrangements often include compressed schedules and telework, contributing to a favorable work‑life balance. Feedback suggests this flexibility is a key reason many view the overall package positively.

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The Company
HQ: Bethesda, MD
108,588 Employees
Year Founded: 1912

What We Do

Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

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