Momentum Engineering, Inc. fosters an employee-centric culture. Our strength lies in our people. With a high percentage of employees holding advanced degrees in engineering, computer science, and related disciplines, we bring deep technical expertise to every mission. Our team includes professionals with security clearances and full-scope polygraphs, ensuring trusted, secure support for the most sensitive national security initiatives. Additionally, our workforce is equipped with industry-leading certifications, demonstrating a commitment to continuous learning and excellence. Most importantly, our exceptional employee retention rate reflects a culture of professional growth, mission focus, and dedication—ensuring long-term stability and expertise for our customers’ critical needs. Job Summary • Seeking a highly experienced Systems Engineer to support mission-critical Department of Defense (DoD) and Intelligence Community (IC) programs • The successful candidate will provide systems engineering expertise across the full system lifecycle while integrating secure software engineering principles into enterprise architectures • This role involves implementing advanced software security techniques, evaluating system architectures for security vulnerabilities, developing engineering solutions, and collaborating with multidisciplinary teams to deliver secure, resilient, and scalable mission systems • The ideal candidate possesses extensive experience with secure software development, enterprise architecture, Linux-based environments, and modern software engineering practices, along with the ability to mentor technical teams on secure design and implementation Primary Responsibilities • Analyze system requirements and develop engineering solutions that align with mission objectives, technical architectures, and cybersecurity requirements • Design, implement, test, and support secure system architectures in accordance with established technical reference architectures and engineering standards • Perform ongoing security testing, vulnerability assessments, and code reviews to improve software security and system resilience • Troubleshoot, analyze, and resolve complex system and software issues affecting performance, reliability, or security • Develop engineering designs and technical recommendations that mitigate security vulnerabilities and improve overall system architecture • Contribute across all architectural layers, including application, infrastructure, data, networking, and security components • Collaborate with software engineers, cybersecurity personnel, systems administrators, and government stakeholders to develop secure, integrated solutions • Provide technical guidance on secure coding practices, software security principles, and emerging technologies • Develop, maintain, and review engineering documentation, system designs, interface specifications, architecture diagrams, and technical procedures • Evaluate emerging tools, technologies, and engineering best practices to improve system performance, maintainability, and security • Participate in system integration, testing, operational deployment, and lifecycle sustainment activities • Support architecture reviews, engineering analyses, and technical planning activities throughout the system lifecycle Required Qualifications • Must have active Top Secret/SCI clearance with NSA Full Scope Polygraph • Minimum of twenty (20) years of experience supporting software engineering or systems engineering efforts on programs of similar scope, type, and complexity • Bachelor's degree in Computer Science or a related technical discipline from an accredited college or university • Four (4) additional years of directly related Software Engineering or Systems Engineering experience may be substituted in lieu of the degree requirement • Experience designing and implementing secure software or system architectures • Experience performing software security testing, code reviews, and vulnerability analysis • Experience troubleshooting and resolving complex software and system integration issues • Strong analytical, problem-solving, and technical communication skills Desired Qualifications • Minimum of six (6) years of production software development experience within the past eight (8) years supporting Linux or Solaris environments • Minimum of six (6) years of software development experience using Java, C, or C++ • Experience developing and integrating RESTful APIs and enterprise web services • Experience with Open Source NoSQL technologies, including HBase, Apache Accumulo, Bigtable, or similar distributed database platforms • Experience supporting secure software development and enterprise system integration • Familiarity with distributed systems, cloud-native architectures, and modern DevSecOps practices • Experience supporting Department of Defense or Intelligence Community programs Exempt hourly position. 11 paid holidays, minimum of 3 weeks PTO, company sponsored group medical plan, company paid dental, vision, life insurance, and STD/LTD plans. Salary is dependent upon the candidate’s experience and qualifications.