Software Engineer Sr - E3

Posted 3 Days Ago
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King of Prussia, PA, USA
In-Office
110K-205K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Develops, documents, tests, debugs, and maintains software for mission-critical ground systems. Designs microservice architectures and cloud-based solutions, integrates software through APIs and messaging systems, and applies security and software development standards. Collaborates in Agile teams, supports test automation and CI/CD, resolves software defects, and creates technical documentation. The role supports defense, intelligence, aerospace, and secure communications applications for government and commercial customers.
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. 
Join us in shaping a new era in space and find a career that's built for you.
The Argus team utilizing common ground software solutions, specializing in the development of mission-critical systems for U.S. government agencies, commercial enterprises, and international customers. As part of Lockheed Martin, our expertise lies in creating robust, scalable software for ground products that support a wide range of applications, including defense, intelligence, aerospace, and secure communications. With a commitment to innovation, quality, and security, we deliver tailored solutions that meet the stringent requirements of our diverse customer base. Imagine developing innovative features that provide executive decision makers with faster, clearer, and more efficient information, enabling them to make informed decisions. 

Basic Qualifications

Experience designing and documenting microservice-based architectures

Strong Presentation SkillsDeep understanding of open architecture, cloud computing design, and security principles

emonstrated proficiency in software development using Java or C#

Strong critical thinking and problem solving skills

Ability to obtain TS/SCI Clearance

Desired Skills

Experience with Cloud environmentsExperience integrating software components via machine-to-machine interfaces (e.g., RESTful APIs, ActiveMQ, etc.)

Understanding / proficiency in application containerization (e.g. Docker, Kubernetes, etc.)

Experience with test automation and continuous integration and deployment

Strong background developing / debugging and/or testing of web applications and web servicesExperience with Elastic Search, Kibana, Logstash (ELK stack)

Demonstrated experience working in Agile teams leveraging Scrum, Kanban or other methodologies and/or understanding of Agile development concepts

Ability to obtain TS/SCI Clearance

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 designing and documenting microservice-based architectures
  • Strong presentation skills
  • Deep understanding of open architecture, cloud computing design, and security principles
  • Proficiency in software development using Java or C#
  • Strong critical thinking and problem-solving skills
  • Ability to obtain TS/SCI clearance
  • Experience with cloud environments
  • Experience integrating software components through machine-to-machine interfaces, such as REST APIs and ActiveMQ
  • Understanding or proficiency in application containerization, such as Docker and Kubernetes
  • Experience with test automation and continuous integration and deployment
  • Strong background developing, debugging, or testing web applications and web services
  • Experience with Elasticsearch, Kibana, and Logstash
  • Experience working in Agile teams using Scrum, Kanban, or similar methodologies, or understanding of Agile development concepts

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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