Software Engineer with Security Clearance

Cornerstone Defense LLC; Sterling (VA); On-site; USD 180,000 - 200,000; Full time

Benefits offered by this job

401(K) with match

Tuition assistance

Paid vacation

Fitness reimbursement

College savings plan

Commuter benefits

Financial advisory services

FSAs

Health Savings Accounts

STD/LTD coverage

Life & AD&D insurance

Employee assistance programs

Life planning

Legal resources

Job summary

Cornerstone Defense LLC is seeking a Software Engineer to design, develop, and maintain advanced software for satellite ground systems. The role is based in Dulles, VA or State College, PA, and requires an active TS/SCI clearance.

You will collaborate with systems engineers and hardware teams, implement Java and Python components, and participate in code reviews and system integration. The position supports Agile/DevOps practices and modern toolchains.

Qualifications

• Requires active TS/SCI security clearance with U.S. citizenship.
• Bachelor's degree in STEM with 8+ years of experience.
• 8+ years in Java, Linux/UNIX environments.
• Experience with unit testing (JUnit).
• Experience with Python.
• Experience in Agile/DevOps environments.

Responsibilities

• Design, develop, and maintain software for satellite ground systems.
• Collaborate with systems engineers and hardware teams.
• Develop Java and Python components and test suites.
• Migrate workloads alongside legacy platforms.
• Define software requirements and specifications with cross-functional teams.
• Modify existing code to improve performance and reliability.
• Participate in design and code reviews and system integration.
• Follow software processes and maintain documentation.

Skills

Java

Python

Linux/UNIX

Agile/DevOps

JUnit

Education

Bachelor's degree in STEM

Master's degree in STEM

Tools

Docker

Kubernetes

Jenkins

Maven

Jira

Git

Bitbucket

Confluence

SonarQube

SQL

Job description

Software Engineer Dulles, VA or State College, PA

Active TS/SCI Compensation Range: $180,000-$200,000

Company Overview:

Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense.

Job 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:

• Active and transferable U.S. government issued 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 8 years of prior relevant experience.
• Eight (8) years of 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/DevOps environment.

Preferred Qualifications:

• Experience working in a DevOps environment using Docker, Kubernetes, Jenkins, Maven, Jira, Git, BitBucket and Confluence.
• Experience working with SonarQube
• Experience working with SQL
• Experience working in an Agile Development environment
• 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).

Company Benefits:

• A 401(K) plan with a company match
• tuition and training assistances
• paid vacation/leave
• a fitness reimbursement program
• college savings plan
• commuter benefits
• financial advisory services
• flex spending accounts
• health savings accounts
• STD/LTD coverage
• life and AD&D insurance
• employee assistance programs
• life financial planning assistance
• and legal resources.