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Software Engineer Security Clearance

Job in State College, Centre County, Pennsylvania, 16803, USA
Listing for: 22nd Century Technologies, Inc.
Full Time position
Listed on 2026-01-29
Job specializations:
  • Software Development
    Software Engineer, Java Developer
Job Description & How to Apply Below
Position: Software Engineer with Security Clearance
Please find below the job details:

Title:

Software Engineer - Cleared
- Client:
Aerospace & Defense client

Location:

State College, PA 16803
Duration: 12+ Months CTH (Performance Based)

Note:

TS/SCI Required. Description/Comment:

• On-Site Means they will be working at a Client’s Facility.
• At Facility, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression.
• We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat.
• Our team solves tough, meaningful problems that create a safer, more secure world.
• In the Java/Data Analytics Software Engineering role, you will design, develop, and test Java/Spring code in a Linux, Agile, Dev Ops environment.
• We are at the forefront of the aerospace and defense technology.
• Our Satellite Ground Systems Team plays a pivotal role in ensuring communication, surveillance, and defense capabilities through cutting-edge satellite systems.
• We invite you to be part of a team that pushes the boundaries of what's possible.
• Due to the security clearance requirement, this is an onsite position in our State College, PA office.

What You Will Do:

• 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 code along with Spring Framework, Wildfly/JBoss, Active

MQ based applications and software components for satellite ground systems.
• Work with the Elastic Stack for data visualization and data analytics
• 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. Qualifications You Must Have:

• An active and transferable 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 four (4) years of Software Engineering experience.

• Experience in object-oriented software design and development using Java and related technologies (e.g. Spring Framework, Wildfly/JBoss, Active

MQ) in a Linux environment.
• Experience with software testing tools (e.g., JUnit, Cucumber).
• Experience with data analytics and visualization tools (e.g., Elastic Stack/ELK stack).

• Experience working in an Agile environment.
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