Senior Software Engineer I - SIGINT - San Diego

Epsilon Systems Solutions, Inc.; San Diego (CA); On-site; USD 135,000 - 185,000; Full time

Job summary

Epsilon C5I, part of Epsilon Systems Solutions, Inc., seeks a Senior Software Engineer I to design and develop secure, mission-critical software for high-assurance environments in San Diego. The role emphasizes Java, API development, and publish/subscribe architectures for IL6/IL7 workloads.

The candidate will ensure cybersecurity compliance, collaborate across teams, and participate in code reviews and integration activities. Active TS/SCI with CI polygraph and U.S. citizenship are required.

Qualifications

• Bachelor's Degree in Computer Science, Computer Engineering or Related Discipline.
• Six or more (6+) years of Software Engineering experience.
• Proficiency in Java and API design/development.
• Experience with publish/subscribe architectures (ActiveMQ, Kafka, or similar).
• Hands-on experience developing software for IL6 and IL7 environments.
• Security+ certification.
• Active TS/SCI clearance with CI polygraph.
• U.S. Citizen per contract requirements.

Responsibilities

• Design, develop, and maintain Java-based applications and RESTful APIs.
• Implement publish/subscribe messaging architectures using technologies such as ActiveMQ or Kafka.
• Develop software solutions for classified environments (IL6 and IL7).
• Ensure compliance with cybersecurity requirements, including familiarity with RMF and secure coding practices.
• Collaborate with cross-functional teams to deliver high-quality, secure software solutions.
• Participate in code reviews, testing, and integration activities.

Skills

Java

API design/development

Publish/subscribe architectures

IL6/IL7 environments

Security+ certification

TS/SCI clearance with CI polygraph

U.S. Citizenship

Education

Bachelor's Degree in Computer Science/Engineering

Tools

ActiveMQ

Kafka

Job description

Epsilon C5I (www.epsilonsystems.com/c5i), focused on software development and systems engineering for intelligence and combat systems, is seeking a Senior Software Engineer I to join our team in designing and developing secure, mission-critical software solutions for high-assurance environments. The ideal candidate will have strong experience in Java, API development, and publish/subscribe architectures, along with a proven ability to deliver software in IL6 and IL7 environments.

Key Responsibilities

• Design, develop, and maintain Java-based applications and RESTful APIs.
• Implement publish/subscribe messaging architectures using technologies such as ActiveMQ or Kafka.
• Develop software solutions for classified environments (IL6 and IL7).
• Ensure compliance with cybersecurity requirements, including familiarity with RMF and secure coding practices.
• Collaborate with cross-functional teams to deliver high-quality, secure software solutions.
• Participate in code reviews, testing, and integration activities.

Required Qualifications

• Bachelor's Degree in Computer Science, Computer Engineering or Related Discipline
• Six or more (6+) years of Software Engineering experience.
• Proficiency in Java and API design/development.
• Experience with publish/subscribe architectures (ActiveMQ, Kafka, or similar).
• Hands-on experience developing software for IL6 and IL7 environments.
• Security+ certification.
• Must have an active TS/SCI clearance with CI polygraph.
• Pursuant to the various government contractual requirements, all applicants must be a U.S. Citizen.

Preferred Qualifications

• Familiarity with Risk Management Framework (RMF).
• Experience securing software to meet cybersecurity requirements.
• Strong understanding of secure coding practices and compliance standards.

Pay Range

The pay range for this role is $135,000 To $185,000 Annually. This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

ADA Notations

• Regular communication (hearing/speaking)
• Noise conditions range from very quiet to very noisy
• Prolonged use of computer (typing/keyboarding)
• Frequently required to sit for long periods of time, stand, walk, and may occasionally lift and move at least 25 pounds
• Ability to travel by car, air or other means of transportation, if required

Epsilon Systems Solutions, Inc. is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.