Back End Software Engineer with Security Clearance

11 hours ago


Alexandria, United States Castellum, Inc Full time

JOB SUMMARY We are seeking a CSD Back End Software Engineer to support secure software development efforts for a government client. This role focuses on designing, developing, and maintaining back-end systems in support of mission-critical and classified environments. The ideal candidate has strong software engineering fundamentals, experience working across multiple operating systems, and holds required certifications and an active TS/SCI clearance. Client acceptance is required for this position. RESPONSIBILITIES Design, develop, test, and maintain secure back-end software systemsSupport secure software development lifecycle (SSDLC) processes and best practicesDevelop and maintain APIs, services, and application logic in support of mission systemsCollaborate with cross-functional teams including security, operations, and system engineersTroubleshoot, debug, and optimize backend services in Linux and Windows environmentsEnsure software complies with government security and compliance requirementsDocument system designs, code, and technical processes QUALIFICATIONS: Minimum Qualifications include: Active TS/SCI security clearance (required)Certified Secure Software Lifecycle Professional (CSSLP) certificationHigh School Diploma or GED with 7+ years of experience as a Software Engineer, or Bachelor’s degree with 3+ years of experience as a Software EngineerExperience developing secure backend software in classified or regulated environments Preferred Qualifications: Experience with programming languages such as Ruby, Python, C#, Java, or PowerShellExperience working across multiple operating systems, including Linux and WindowsWindows Computing Environment (CE) experienceLinux and/or Windows Computing Environment (CE) certificationDoD 8570 IAT Level II certification (e.g., CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP) or higher Corvus Consulting, LLC. 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. Corvus Consulting, LLC, will not discriminate against employees and job applicants who inquire about, discuss, or disclose compensation information. Reasonable accommodations that do 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 accommodations 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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