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Software Engineer – ENG

Job in Erie, Erie County, Pennsylvania, 16501, USA
Listing for: Cornerstone Defense LLC
Full Time position
Listed on 2026-03-12
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 105000 - 125000 USD Yearly USD 105000.00 125000.00 YEAR
Job Description & How to Apply Below
Position: Software Engineer – ENG02

Software Engineer

State College, PA

Active TS/SCI

Compensation Range: $105,000 – $125,000

Responsibilities
  • Design, develop, and maintain advanced software applications for our Satellite Ground Systems.
  • Collaborate closely with systems engineers, hardware designers, and other software engineers to deliver reliable and high-performance software solutions.
  • Design, implement, and test Java and Python based applications and software components for satellite ground systems.
  • Work in parallel with legacy platform teams to eventually migrate workloads onto your pipelines.
  • Collaborate with cross-functional teams to define software requirements and specifications.
  • Work with previously written code and make modifications as necessary.
  • Ensure software performance, reliability, and scalability.
  • Participate in software design reviews, code reviews, and system integration activities.
  • Contribute to the completion of program and project milestones under the specific guidance of their immediate supervisor.
  • Follow established Software processes and procedures, development, documentation and maintenance/management of operations concepts, requirements (system, element, segment level), external and internal interfaces, and other software engineering work products/artifacts.
  • Learn the workings of satellite ground systems.
  • Work with new tools that will keep you state-of-the-art.
Basic Qualifications
  • An active and transferable Top Secret security clearance that can be crossed over to a TS/SCI security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience.
  • Two (2) years of RECENT experience in object-oriented software design and development using Java in a Linux or UNIX environment.
  • Experience using unit testing tools (e.g., JUnit).
  • Experience with Python.
  • Experience developing software in an Agile/Dev Ops environment.
Preferred Qualifications
  • Experience leading a technical team is highly desired
  • Experience working in a Dev Ops environment using Docker, Kubernetes, Maven, Jira, Git, Bit Bucket and Confluence.
  • Experience working with Sonar Qube
  • Experience working with SQL
  • Security+ certification
  • Experience with satellite communication systems and protocols is highly preferred.
  • Familiarity with secure coding practices, especially in a defense or aerospace setting.
  • Master’s degree in Science, Technology, Engineering or Mathematics (STEM).
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