Application Security Engineer
SciTec
| Company | SciTec |
| Category | Engineering |
| Location | Boulder |
| Remote | On-site (inferred) |
| Employment | Full-time |
| Level | Not stated |
| Salary | Not stated by the employer |
| Posted | 20 Apr 2026 |
| Last verified | 30 Jul 2026 |
| Source | Employer career page (workable) |
Description
SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft survivability missions. Important Notice: SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. Applicants that do not meet this requirement will not be considered. SciTec has an immediate opportunity for a talented engineer to support our programs delivering Next-Generation Missile Warning software. This is a unique opportunity to join a business delivering core capabilities for National defense. You will work within a fast-paced team delivering end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence. We are seeking an Application Security Engineer to help secure mission-critical software systems by identifying, analyzing, and mitigating application-level vulnerabilities. This role focuses on hands-on security analysis, tooling integration, and working directly with software engineers to embed security into the development lifecycle. The ideal candidate combines strong technical security skills with the ability to collaborate effectively with developers in a DevSecOps environment. Responsibilities Perform application security analysis using both automated and manual techniques, including: Static code analysis (SAST) Software composition analysis (SCA) Fuzzing Manual code and design reviews Identify, analyze, and help remediate application vulnerabilities Support software engineers in integrating security considerations into system and application designs Integrate and maintain application security tooling within CI/CD and DevSecOps pipelines Design, implement, and improve continuous integration security analysis tooling Tune and maintain security tools to reduce false positives and improve signal quality Assist development teams in understanding findings and implementing effective fixes Support threat modeling and secure design reviews Stay current with emerging vulnerabilities, attack techniques, and mitigation strategies Document findings, recommendations, and best practices Perform other duties as assigned Requirements Bachelor’s degree plus 2+ years of professional experience in cybersecurity or software development, or equivalent experience 2+ years of experience focused on application/software security Experience analyzing source code for security flaws Familiarity with secure software development practices Strong analytical, problem-solving, and communication skills Detail-oriented with strong written and verbal communication abilities Ability to qualify for and maintain a DoD or DoE Secret security clearance Ability to meet DoD 8140.01 Cyberspace Workforce Management requirements within six months of hire Good verbal and written communication skills Attention to detail Candidates who have any of the following skills will be preferred: Active DoD Secret clearance or higher Experience identifying, exploiting, and remediating application vulnerabilities Credit for published CVEs is a strong plus Proficiency in one or more programming languages such as C++, Python, JavaScript, Rust Experience configuring and operating static analysis tools (e.g., Coverity, Klocwork, SonarQube) Experience configuring and operating software composition analysis tools (e.g., Snyk, Sonatype, Anchore, JFrog Xray) Experience with fuzzing frameworks (AFL, AFL++, ho
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