Sr Software Engineer with Security Clearance

Fantom Corporation is a mission-focused organization supporting critical programs across the defense and intelligence community. We partner with our customers to deliver high-impact technical solutions while fostering a culture built on trust, expertise, and long-term career growth. We are seeking a Senior Software Engineer to develop, maintain, and enhance complex software systems supporting mission-critical and high-performance applications. This role focuses on software development within Linux environments using Python and C++, with opportunities to support advanced DSP and RF-related technologies. The ideal candidate has extensive experience developing scalable and data-intensive applications, implementing advanced algorithms, and collaborating across engineering teams throughout the full software development lifecycle. ResponsibilitiesDesign, develop, and maintain complex software systems based on technical and operational requirementsAnalyze user and system requirements to derive software design and performance specificationsDevelop new software features and enhance existing applications to improve functionality and performanceDebug and resolve software defects, integration issues, and system performance problemsImplement and optimize algorithms to meet strict timing, resource, and interface requirementsIntegrate software into new and existing systems and operating environmentsDevelop and maintain database interfaces, queries, and data processing solutionsSupport testing, validation, and quality assurance activities for software componentsCreate and maintain technical documentation, including software and system design documentationCollaborate with system engineers and hardware engineers to support integration and performance objectivesParticipate in software architecture discussions, technical reviews, and process improvement initiativesLead or support software development teams and ensure delivery aligns with project goals and standardsCoordinate software installation activities and monitor operational system performance Required QualificationsMust be fully cleared with a recent MD polygraphMust be willing and able to work fully onsite at the location listed in this postingBachelor's degree in Computer Science or related discipline (or equivalent experience)14+ years of experience as a Software Engineer supporting programs of similar scope and complexityStrong experience developing software in Linux environmentsStrong programming experience in Python and C++Experience designing and maintaining complex software systems and applicationsExperience implementing and optimizing algorithms for performance-critical applicationsExperience with software testing, debugging, and troubleshootingExperience working with structured data, databases, and system integrationsStrong understanding of software development methodologies and best practices Desired QualificationsExperience with Digital Signal Processing (DSP) or RF-related systemsExperience working in real-time or high-performance computing environmentsExperience leading technical teams or mentoring junior engineersFamiliarity with Agile software development environments * #CJ Fantom Corp is a Software Development, Agile Cloud, Cyber Security (Risk Management, Assessments & Authorization (A&A)), Data, AI Platform (Computer Vision Models), Podcasting Media Services, and IT Services provider. Established in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services , and Cloud-certified practitioners. We excel in delivering emerging technologies such as Artificial Intelligence (AI) and Machine Learning (ML) with a focus on identifying trends, object detection, and classification of structured and unstructured data. Fantom Corp possesses mastery in all aspects of digital audio production. We lead in the ideation and creation of efforts for clients who want to harness the power of podcasting. We guide them in selecting the right show format for their needs and goals. As a Small Business, we possess the innovation, speed and flexibility to meet your requirements. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.