{"id":872004,"url":"https://alion.io/job/rapidfort-senior-software-engineer-security-distributed-systems","title":"Senior Software Engineer – Security & Distributed Systems","company":{"id":1398,"name":"RapidFort","domain":"rapidfort.com","url":"https://alion.io/company/rapidfort","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":9,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-05T05:54:30Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":150000,"max":200000,"currency":"USD","period":"year","gross":null,"usd_annual":200000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"C++","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"Go","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"CI/CD","optional":true}],"status":"live","first_seen_at":"2026-08-25T01:48:17Z","employer_posted_date":"2026-08-25","last_verified_at":"2026-11-05T13:51:31Z","board_verified":true,"closed_at":null,"days_open":72,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":72},"description":"Senior Software Engineer - Security & Distributed Systems\nLocation: United States - Remote\nDepartment: Engineering\nCompany: RapidFort\nEmployment Type: Full-Time\nU.S. Citizenship: Required\nAbout RapidFort\nRapidFort is a cybersecurity company focused on securing and optimizing modern software supply chains and cloud-native environments.\nOur technology helps organizations reduce software vulnerabilities and attack surface by identifying and removing unnecessary components from containerized applications. RapidFort works with enterprise and U.S. public-sector customers operating highly complex, security-sensitive environments.\nWe are building systems that operate at the intersection of cybersecurity, distributed systems, Linux, containers, Kubernetes, and cloud infrastructure.\nThe Role\nRapidFort is looking for a Senior Software Engineer - Security & Distributed Systems to join our engineering team.\nThis is a hands-on backend engineering role for someone who enjoys solving complex systems problems and building production software that operates across distributed, containerized environments.\nYou will design and develop backend services and distributed systems that power RapidFort’s security platform, working with large volumes of software, vulnerability, container, and runtime data.\nThis is not an SRE or infrastructure operations position. We are looking for a software engineer who builds systems and products, with strong knowledge of the infrastructure and environments in which those systems operate.\nWhat You’ll Do\nDesign, build, and maintain highly reliable backend services and distributed systems.\n\nDevelop core components of RapidFort’s cybersecurity and software supply chain security platform.\n\nBuild systems for processing, analyzing, and managing large volumes of security, vulnerability, package, container, and runtime data.\n\nDesign scalable APIs, services, data pipelines, and internal platform components.\n\nDevelop software that operates across Linux, containerized, Kubernetes, and cloud environments.\n\nSolve complex problems involving concurrency, performance, scalability, reliability, and distributed processing.\n\nWork with container images, software packages, dependencies, vulnerabilities, SBOMs, and other software supply chain data.\n\nImprove the performance and efficiency of systems handling large-scale security analysis and remediation workflows.\n\nDiagnose complex problems across applications, operating systems, containers, networks, and distributed services.\n\nDesign systems with security, reliability, observability, and fault tolerance built in from the beginning.\n\nWrite clean, maintainable, well-tested production code.\n\nParticipate in architecture and technical design discussions.\n\nReview code and help establish strong engineering practices across the team.\n\nWork closely with security researchers, product managers, and other engineers to turn complex security problems into scalable product capabilities.\n\nTake ownership of projects from technical design through production deployment.\n\nWhat We’re Looking For\n5+ years of professional software engineering experience, ideally building backend platforms or distributed systems.\n\nStrong programming experience with Python, Go, C++, Java, or similar backend/system-level languages.\n\nDeep understanding of distributed systems and production backend architecture.\n\nStrong knowledge of Linux systems and internals.\n\nExperience building APIs, backend services, microservices, or large-scale data-processing systems.\n\nHands-on experience with Docker, containers, and Kubernetes.\n\nExperience designing software for cloud environments such as AWS, Azure, or GCP.\n\nStrong understanding of networking, processes, filesystems, memory, CPU utilization, and system performance.\n\nExperience with relational and/or NoSQL databases and large-scale data systems.\n\nUnderstanding of concurrency, asynchronous processing, queues, caching, and distributed workloads.\n\nStrong debugging and problem-solving skills across multiple layers of a technology stack.\n\nAbility to independently own complex engineering problems from design through implementation.\n\nStrong written and verbal communication skills.\n\nSecurity Experience\nYou do not need to be a traditional security engineer, but you should be interested in building software that solves difficult cybersecurity problems.\nExperience in one or more of the following areas is highly valuable:\nSoftware supply chain security\n\nApplication or cloud security\n\nVulnerability management\n\nContainer security\n\nKubernetes security\n\nSoftware composition analysis\n\nSBOMs and software dependency analysis\n\nCVEs and vulnerability intelligence\n\nLinux security\n\nDevSecOps\n\nPackage management and software build systems\n\nRuntime security or workload analysis\n\nPreferred Qualifications\nExperience building security products or developer/security infrastructure.\n\nExperience working with very large software or vulnerability datasets.\n\nDeep understanding of container images, registries, layers, packages, and dependencies.\n\nExperience with Kubernetes internals and container runtimes.\n\nKnowledge of Linux package ecosystems such as RPM, DEB, APK, or similar.\n\nExperience with CI/CD systems and modern software build pipelines.\n\nExperience profiling and optimizing CPU, memory, disk, and network performance.\n\nFamiliarity with open-source security tooling and vulnerability databases.\n\nExperience building highly available systems operating across multiple environments or clusters.\n\nExperience in a high-growth cybersecurity, cloud infrastructure, or enterprise software company.\n\nCompensation\nThe expected base salary range for this position is $150,000-$200,000 USD annually.\nActual compensation will be determined based on the candidate’s experience, technical depth, qualifications, geographic location, and overall fit for the position. Additional compensation may include equity and other company benefits.\nU.S. Citizenship Requirement\nU.S. citizenship is required for this position due to RapidFort’s work with U.S. government and Department of Defense customers and the potential for this role to support security-sensitive public-sector environments.\nWhy RapidFort\nThis is an opportunity to work on technically challenging problems at the intersection of cybersecurity, distributed systems, containers, Kubernetes, Linux, and software supply chain security.\nYou’ll work directly with experienced engineers and company leadership while having meaningful ownership over the architecture and implementation of systems that protect real-world production environments.\nAt RapidFort, senior engineers are expected to do more than execute tickets. You will help define technical solutions, influence architecture, solve difficult engineering problems, and build technology that becomes a core part of the RapidFort platform.\nBenefits\nRapidFort offers a competitive compensation and benefits package, including:\n$150,000-$200,000 base salary\n\nEquity participation\n\nMedical, dental, and vision coverage\n\nPaid time off and company holidays\n\nRemote-first work environment\n\nFlexible working arrangements\n\nProfessional development and career-growth opportunities\n\nOpportunity to work on advanced cybersecurity and cloud-native technology\n\nSignificant technical ownership and direct access to senior engineering leadership\n\nRapidFort is an equal opportunity employer. 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