Senior Cryptographic Software Engineer

MANTECH seeks a motivated, career and customer-oriented Senior Cryptographic Software Engineer to join our team in Linthicum Heights, MD. Responsibilities include but are not limited to:Implement and integrate cryptographic principles, including symmetric and asymmetric encryption algorithms (e.g., AES, RSA, ECC), into software applications by developing and optimizing low-level system programming and cryptographic algorithm implementations using C and C++.Utilize cryptographic libraries to ensure proper parameterization and secure integration of encryption modes.Manage cryptographic concepts such as block ciphers, key management, encryptors, secure communications, and cryptographic product evaluation.Evaluate cryptographic implementations for correctness, security, performance, key management, hashing, and digital signatures.Automate processes and create scripts using Python to enhance system functionality and efficiency. Design, develop, test, and maintain software applications using Java.Configure, script, and ensure secure development practices within Linux-based operating systems.Design and assess secure network communications by applying expertise in network protocols and security concepts, including TCP/IP, SSL/TLS, and RESTCONF/YANG.Apply secure coding practices, mitigate vulnerabilities, and oversee secure software lifecycle management.Minimum Qualifications:Bachelor’s degree in Computer Science, Engineering or Computer Engineering8+ years of Software development/evaluation experienceExperience and understanding of cryptographic certification processes such as FIPS 140-3 and/or Common CriteriaPreferred Qualifications:Certified Information Systems Security Professional (CISSP), Certified Ethical Hacker (CEH), or equivalent.Certifications related to cryptographic technologies or Linux systems, such as Linux+ or RHCE.Security Clearance Requirements:Must possess a current and active TS/SCI with PolygraphPhysical RequirementsAbility to remain in a stationary position for up to 50% of the timeFrequent use of computer systems and standard office equipmentRegular communication with team members, managers, and customers, including presenting technical material as needed

Created: 2025-11-07