Top Senior Security Engineer Jobs

Leads cybersecurity architecture for cloud-based digital health platforms, connected medical-device ecosystems, web and mobile applications, APIs, and remote monitoring services. Responsibilities include defining security requirements, threat modeling, risk analysis, identity and access controls, encryption, secrets management, SBOM requirements, DevSecOps controls, monitoring, vulnerability management, and compliance readiness. The role coordinates audits, evidence collection, remediation, regulatory submissions, and security programs involving engineering, quality, privacy, IT, and business stakeholders.

Performs system security engineering throughout the acquisition and development lifecycle. Responsibilities include program protection, supply chain risk and vulnerability assessments, counterfeit parts prevention, criticality analysis, security planning, vulnerability mitigation, supplier oversight, authorization support, technical documentation, and leadership of cybersecurity activities. The role requires U.S. Government security engineering experience, RMF expertise, a qualifying DoD certification, and an active Secret clearance.

Lead the design and hands-on development of shared AI agent platforms for Cisco and Splunk security products. Build orchestration, evaluation, tracing, governance, memory, and tool-use systems for Agentic SOC capabilities across cloud, on-premises, sovereign, and air-gapped environments. Define AI quality metrics, improve production reliability and safety, ensure authorization and auditability, diagnose cross-system failures, influence technical direction, and mentor senior engineers.

Owns end-to-end security engineering, including risk identification, secure-by-default libraries, least-privilege guardrails, developer machine hardening, supply-chain security, and identity and authentication protections. Partners with compliance to implement effective controls for healthcare requirements such as HIPAA and HITRUST. The role requires production software engineering and security expertise, with broad autonomy in a fully remote environment.

Develop secure, production-grade platform features and infrastructure using Go or Java, while automating security tooling and compliance workflows with Python. Assess AI/ML and cloud-native architectures, identify vulnerabilities, guide remediation, and translate security policies into code-based controls. Partner with engineering, architecture, product, SRE, and security teams to improve application security, DevSecOps practices, and platform resilience.

Owns Walden Robotics’ corporate security program, including CrowdStrike operations, incident response, vulnerability management, third-party assessments, AWS security, SOC 2 readiness, risk management, security awareness, and vendor coordination. The role is the first dedicated information security hire and requires hands-on technical execution, cross-functional leadership, policy development, audit support, threat modeling, and mentoring.

Designs and maintains AI-powered security automation, agentic workflows, RAG pipelines, event-driven integrations, search architectures, and internal tooling. The role automates alert triage, incident analysis, log routing, policy audits, onboarding, and security deployments using AWS, OpenSearch, and generative AI. Responsibilities also include monitoring performance and costs, supporting sales engineering proof-of-values, and enabling security delivery teams. Requires advanced Python, AWS, cybersecurity, cloud integration, containerization, CI/CD, and LLM orchestration expertise.

Architects, deploys, and operates cloud security controls across AWS, Azure, GCP, SaaS, IaaS, and PaaS environments. Owns cloud security standards, policy as code, guardrails, detection engineering, incident response, risk remediation, vendor assessments, compliance alignment, and the cloud security roadmap. Partners with engineering and product teams, mentors engineers, and drives secure-by-default development across multiple brands and business units.

The Senior Security Engineer will secure cloud infrastructure across various services, develop security policies, manage exceptions, and respond to security alerts while collaborating with teams to eliminate security risks.

Implements and manages global system security strategy, conducts application and external security assessments, deploys and tests SIEM architectures, analyzes incidents, optimizes SIEM systems, automates incident prioritization, advises local IT teams, and integrates cloud SIEM with security and infrastructure data sources.

Design, implement, and maintain security controls across cloud (AWS) and on-prem systems. Lead vulnerability management, incident response, and remediation. Serve as SME for SIEM, SAST/DAST, IAM. Embed security in SDLC, support SOC 2/ISO 27001 audit readiness, mentor junior engineers, and recommend control improvements.

Own Kikoff’s data security roadmap across AWS, Snowflake, RDS, and internal pipelines. Design and implement encryption, tokenization, least-privilege access, access brokering, row- and column-level controls, audit logging, secure data flows, and AI agent permissions. Partner with Legal and Compliance on privacy and regulatory requirements, threat-model new systems, and create reusable secure engineering patterns. Support data mapping, retention, deletion, and cross-border data controls in a regulated fintech environment.

Develops and operates enterprise-scale endpoint security software, automation, and integrations. Responsibilities include Python-based automation, endpoint protection, threat modeling, vendor evaluation, security tool integrations, detection and response workflows, CI/CD, infrastructure-as-code, policy enforcement, compliance, documentation, and incident remediation. The role partners with security engineers, product managers, and telemetry teams to improve endpoint security across more than 10,000 systems.

Designs and implements secure cloud architectures, IL5 controls, STIG-aligned hardening baselines, identity integrations, and cybersecurity controls for federal and DoD-aligned platforms. Performs security assessments, vulnerability analysis, continuous monitoring, secure deployment reviews, audit support, and remediation planning. Requires expertise in AWS, NIST, RMF, PKI, SIEM, and cloud security, along with mentoring junior engineers and documenting technical architectures. The role is fully remote but requires an active Top Secret clearance and substantial security engineering experience.

Senior Security Engineer responsible for application, cloud, and platform security across an enterprise SaaS environment. The role involves building security automation and agents, integrating risk-based reviews into development, conducting threat modeling and code reviews, improving detection and observability, remediating systemic risks, and supporting compliance initiatives. The engineer will partner closely with development teams and help secure AI-powered features, cloud infrastructure, APIs, and deployment mechanisms.

Designs and implements security for embedded consumer electronics products, including ARM TrustZone applets, cryptographic device identity, secure boot, firmware protection, key management, and trust chains. Defines security requirements, performs assessments and testing, supports compliance audits, mitigates vulnerabilities, and advises engineering teams through architecture and code reviews. Collaborates with firmware, DevOps, cloud, manufacturing, and program management teams to strengthen product security and incident response.

Lead customer-facing security architecture for federal cloud, Kubernetes, GPU, and HPC environments. Design accredited and classified deployments, translate FedRAMP, RMF, DoD, CMMC, and STIG requirements into technical controls, and support ATO documentation and assessments. Lead proofs of concept, workload reviews, compliance automation, technical workshops, and roadmap development. Partner with federal customers, defense organizations, compliance teams, and engineering groups while supporting secure air-gapped environments and emerging AI security solutions.

Lead product security for embedded transportation and HVAC control platforms. Responsibilities include risk management, threat modeling, security DFMEA, penetration testing, vulnerability management, regulatory type approval, secure OTA updates, cryptographic assurance, privacy compliance, and security-tool oversight. The role guides cross-functional engineering teams, maintains cybersecurity and software-update management evidence, and ensures compliance with automotive and industrial security standards.

Designs, deploys, maintains, and improves enterprise endpoint security solutions. Responsibilities include managing endpoint protection platforms, threat analysis, security event triage, vulnerability remediation, system hardening, compliance reporting, policy development, technology evaluation, project leadership, documentation, and mentoring junior staff. The role collaborates with Security Operations, IT Service teams, leadership, and vendors to strengthen protection against cyber threats.

Designs, deploys, maintains, and improves enterprise endpoint security platforms and controls. Responsibilities include threat analysis, security event triage, endpoint infrastructure tuning, vulnerability management, policy enforcement, compliance reporting, technical documentation, and technology evaluations. The role supports security projects, mentors junior staff, collaborates with IT and leadership, and helps strengthen protection against emerging cyber threats across the enterprise.

Provide systems security engineering and cybersecurity expertise for USAF weapon systems throughout acquisition. Assess cybersecurity posture, vulnerabilities, cyber resiliency, survivability, and mitigation strategies. Support systems engineering technical reviews, acquisition documentation, technical evaluations, and senior-leader briefings. Recommend security designs protecting software, hardware, firmware, weapon systems, and critical networks. Interface with government, engineering, acquisition, and cybersecurity personnel while providing technical guidance to junior staff.

Develops and implements cybersecurity controls for DoD satellite communications systems. Performs risk and vulnerability assessments, STIG validation, IAVM activities, RMF accreditation support, POA&M documentation, compliance self-assessments, vulnerability remediation, and security change reviews. Analyzes ACAS scans, deploys security tools, briefs technical security posture to leadership, and advises on threat mitigation for strategic and tactical communications systems.

Designs, implements, and manages enterprise IT security solutions. Partners with architects, developers, and leadership on security plans; identifies vulnerabilities; strengthens systems, networks, and applications; manages security tools and access controls; and reduces risks across complex projects.

Own and mature the application security program, including secure development practices, tooling, automation, vulnerability management, and detection pipelines. Partner with engineering on secure AI-driven workflows, data privacy, and AI-specific vulnerabilities. Lead incident response as primary incident commander, support cloud security, and guide security audits, certifications, and customer requirements in a regulated fintech environment.

Design and implement technical security controls across cloud, application, identity, and PKI environments. Assess architectures, perform threat modeling and risk assessments, produce control narratives/SSPs/POA&Ms, support audits (FedRAMP, SOC 2, ISO 27001), and work hands-on with DevOps, engineering, and operations to remediate, validate, and collect defensible evidence.