Software Engineer
Castellum Inc· Defense & Space· Jul 27, 2026 · 3mo agoPosted 92 days ago
Lakehurst, NJ, US
In office
Full-time
Principal
$130K–$150K
10+ years exp
Before you apply
Ghost Signal:
Open since July 27, 2026 — 92 days, and still accepting applications.
Job description
JOB SUMMARY
Specialty Systems, Inc. has an opening for a Computer Scientist / Software Engineer to join our team of technical professionals supporting Government customers and national security mission requirements. In this role, you will support the design, development, testing, and sustainment of software-intensive systems used in military command and control, cryptologic mission activities, and other weapons and intelligence systems.
The position involves working within Government-provided environments and adhering to established engineering processes, documentation standards, and development practices. As a member of the Specialty Systems team, you will contribute directly to software solutions that support critical defense and intelligence missions.
This position is located at our customer site location at Joint Base MDL. In this position, you will work our customer’s Compressed Work Schedule which consists of working four 9hour days (M-Th) and an 8-hour day (F) for the first week of a cycle followed by four 9-hour days (M-Th) and being off on the second Friday for the second week of a cycle. This results in a 3-day weekend every other week!
RESPONSIBILITIES
• Design, develop, modify, debug, and test software applications supporting mission-critical software-intensive systems
• Develop, modify, debug, and test software applications primarily using C#
• Support lab and operational site-based system testing
• Support Agile development practices including sprint planning, tasking, and iterative delivery
• Create and execute software unit and integration tests and document results in accordance with program standards
• Support software/hardware and system integration, verification, and validation testing
• Assist with troubleshooting issues across development, test, and operational environments and provide technical recommendations
• Produce technical documentation and formal reporting as required
• Participate in technical meetings, reviews, and Integrated Product Team (IPT) collaboration with Government and contractor personnel
• Comply with applicable processes and guidance including government security and mission requirements
QUALIFICATIONS:
Minimum Qualifications include:
• Active Secret Clearance required at time of start
• Bachelor’s degree in computer science, Information Systems, Mathematics, Operations Research, Statistics, Engineering/Science, or related technical discipline
• 3–10 years of experience in software development, testing, and support
Strongly Preferred
• Experience developing software using C#
• Experience developing and executing unit and integration tests
• Experience working on Agile software development teams
• Experience preparing software documentation and technical reports
Desired
• Experience with automated software testing frameworks
• Experience with DevSecOps and CI/CD pipelines
• Experience with user interface development
• Experience using Git for source control
Specialty Systems, Inc. provides equal employment opportunity (EEO) to all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability status, genetic information, marital status, ancestry, protected veteran status, or any other characteristic protected by applicable federal, state, and local laws and offers equal opportunity for VEVRAA Protected Veterans. Specialty Systems, Inc. will not discriminate against employees and job applicants who inquire about, discuss, or disclose compensation information.
Reasonable accommodation that does not cause an undue hardship on the company may be made to enable individuals with disabilities to perform essential functions, as long as that would not hinder or prevent performance of duties or be of a safety concern.
PHYSICAL DEMANDS:
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of the job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.
While performing the duties of this job, the employee is required to reach with hands and arms. The employee is frequently required to sit, stand and walk. The employee may be required to move ten pounds and could occasionally lift or move up to twenty-five pounds.
Disclaimer: The listed duties are not intended to serve as a comprehensive list of all duties performed by all employees in this classification, only a representative summary of primary duties and responsibilities.
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