Demo

Software Engineer (R&D S&E)

JG Management Systems (JGMS)
Grand Junction, CO Full Time
POSTED ON 12/20/2025
AVAILABLE BEFORE 1/18/2026
Description

We are seeking an experienced Software Engineer to design and implement cutting-edge solutions for high-consequence national security challenges. In this role, you will collaborate with customers to develop impactful capabilities that directly support warfighters, strengthen national security, and deliver measurable results for critical missions. Your contributions will foster innovation, leverage teamwork, and cultivate creativity while addressing key mission needs. On any given day, you may be called on to:

  • Utilize your skillset in software system architecture, software system implementation, technical documentation, unit and integration testing, reliability and performance assessment, and/or systematic technology insertion to enhance mission capabilities utilizing code bases ranging from 0.5 to 1.0 million lines of code.
  • Collaborate with technical design teams and subject matter experts to create innovative solutions that meet mission requirements and address end-user needs.
  • Collaborate with Software Engineers, System Engineers, Information Technology staff, management, and customers to implement solutions that address requirements. Architect software systems, develop code, write unit tests, and create software tools to support the mission.
  • Provide on-call support for software discrepancy resolution in the production environment.
  • Develop and execute test plans/procedures, create reports, and write software documentation.
  • Perform system integration and testing.
  • Apply system design principles to architect scalable, reliable, and secure solutions for critical missions.
  • Develop and refine system CONOPS (Concept of Operations) to ensure technical solutions address operational needs.
  • This position requires a willingness and ability to work in a 24/7/365 on-call support role to provide software discrepancy resolution.
  • Due to the nature of the work, the selected applicant must be able to work onsite 100% of the time at the Livermore, CA site.
  • Ability and willingness to travel, up to 25%, required.

Requirements

Qualifications

A bachelor’s degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development.

Desired Qualifications

  • An ideal candidate will have 10 years of experience in front-end, back-end, or full-stack development in software engineering for code bases with 0.5 to 1.0 million lines of code and the ability to quickly understand and contribute to complex software systems.
  • Expertise in front-end development, with proficiency in Dust, JavaScript, TypeScript, JQuery, HTML5/CSS, or Angular.
  • Expertise in back-end web application development using frameworks and tools such as Spring MVC, Tomcat, Jetty and coding with languages such as Java, Python, C .
  • Experience with implementing custom Java applications using Apache Ignite 2 or 3, and/or experience modifying Apache Ignite open-source software.
  • Relevant experience with fixing bugs or implementing new features in open-sourc software repositories of 2.5 million lines of code
  • Hands-on experience with Oracle databases, including PL/SQL.
  • Experience with Web Services, including WSDL, SOAP, and REST.
  • Experience with any of the following: Hazelcast, Apache Karaf, Apache Camel, Mina/Netty, OSGI, JMX, JDBC, Apache Aries, Log4J2, Apache CXF, Docker.
  • Excellent communication skills and a demonstrated ability to develop technical ideas and results and present them in oral and written form in a concise manner.
  • Ability to navigate ambiguous situations and collaborate effectively with stakeholders and internal/external mission partners.

Security Clearance

The ability to obtain and maintain a DOE Q/SCI security clearance or equivalent DOD Top Secret/SCI security clearance, and willingness to take a polygraph test. A security clearance is required to start work.

Background Check and Screenings

A pre-employment drug screening and background review that includes checks of personal references, credit, law enforcement records, and employment/education verification is required.

Benefits

We take pride in promoting a healthy work-life balance, family-friendly benefits, servant leadership, team values and professional growth. Our competitive benefits package includes:

  • Medical insurance - 100% company paid premiums for employees
  • Dental and vision insurance
  • 401k plan with company match
  • 24 hours of paid community service a year
  • Up to 4 weeks paid time off a year
  • 10 paid floating holidays
  • Life insurance, short- and long-term disability
  • Employee Assistance Program (EAP)
  • Professional development opportunities

JGMS Family of Companies

Ethically minded, mission-driven.

We provide applied technology, engineering, science, and management services to government and private sector clients nationwide. As a diverse team of professionals, we are focused on meeting the needs of our clients and following through with real solutions that effectively and efficiently meet all budgetary and scheduling requirements. As a member of the team, you will be involved in a growing, dynamic organization that is developing new client solutions to benefit our environment and economy.

Equal Opportunity Employer

JGMS Government Services LLC (JGMS-GS) is dedicated to the principles of equal employment opportunity (EEO) in any term, condition, or privilege of employment. The Company prohibits unlawful discrimination against applicants or employees on the basis of age (40 and over), race, color, religion, national origin, disability, genetic information, sexual identity, sexual orientation, pregnancy, veteran status, marital status, or any other status protected by federal, state, or local laws. This policy applies to all applicants, employees, including managers, supervisors, co-workers, and non-employees such as customers, clients, vendors, consultants, or any other entity in professional contact with the Company.

Due to the nature of the government contract requirements and/or clearance requirements, US citizenship may be required.

If you are an individual with a disability and need assistance completing the online application, please call (970) 254-1354. Alternatively, an email may be sent to HR@jgmsgovservices.com with the subject line 'Applicant Accommodation' in the email.

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