Top Senior Security Engineer Jobs

Develop and support spacecraft electrical power subsystems for national security missions. Responsibilities include power budgeting, energy balance, voltage drop and bus stability analyses, hardware testing, production support, software updates, requirements verification, failure review participation, and design for manufacturability. The role supports Blue Ring spacecraft systems across development, integration, testing, and production, including work with solar arrays, batteries, PMAD, wire harnessing, and power distribution components.

Designs and implements scalable trust and identity infrastructure, including secrets management, PKI, authentication, and access control services. The role defines architecture, leads technically complex initiatives, improves engineering standards and reliability, and partners across Product, Security, Compliance, and Engineering. It requires strong systems engineering experience with Linux, networking, distributed systems, modern programming languages, and infrastructure tooling. Occasional on-call nights and weekends may be required.

Lead edge security strategy and operations across more than 50 high-traffic websites. Configure and tune Akamai WAF policies, bot management, anti-scraping protections, rate limits, and DDoS defenses. Analyze traffic and logs to detect anomalies, investigate incidents, and reduce false positives. Support secure deployment across cloud and CDN environments while collaborating with Product, Security, DevOps, Legal, and development teams. Automate security controls and reporting using scripting and infrastructure-as-code tools.

Provides application security engineering and sustainment throughout system lifecycles. Responsibilities include administering, configuring, tuning, monitoring, and securing applications; supporting ISSOs with ATO/ATT documentation; integrating AI and ML into security tools; conducting security impact assessments; managing configurations and changes; ensuring logging compliance; and supporting vulnerability management. Requires significant cybersecurity-related technical experience and a TS/SCI clearance.

Leads technical security sales engagements through demonstrations, proofs of concept, hackathons, architecture workshops, and customer consultations. Designs secure, scalable cloud and hybrid architectures, resolves technical blockers, and advises customers on Microsoft Security solutions, including Defender and Sentinel. Develops security posture recommendations, supports XDR, zero trust, cloud security, and AI adoption strategies, while influencing technical decisions and representing Microsoft in developer communities.

Architects and delivers enterprise-scale AI security systems for identity risk, anomalous access, malware detection, sensitive data classification, and threat recognition. Builds inference engines, ML platforms, feature pipelines, and production model-monitoring workflows. Provides technical leadership across multi-quarter initiatives, integrates AI with access-control and security infrastructure, evaluates emerging techniques such as LLMs and agentic systems, and collaborates across identity, threat detection, and platform teams.

Build and operate a security data platform connecting SIEM, identity, asset, threat intelligence, and knowledge graph systems. Design core APIs, distributed data pipelines, schemas, risk scoring, entity resolution, and coverage queries. Own architecture and platform workstreams from scoping through delivery, collaborate with detection and identity teams, review code, mentor engineers, and drive partner adoption. The role requires expert Python, deep Splunk expertise, cybersecurity experience, and senior-level project ownership.

Designs, engineers, monitors, and manages enterprise network security infrastructure, including firewalls, IDS/IPS, VPNs, and network access controls. Analyzes architectures and vulnerabilities, investigates security events, leads incident response, implements security enhancements, and develops policies aligned with NIST, CIS, ISO 27001, and federal requirements. Advises leadership, collaborates with infrastructure and security teams, and mentors junior engineers.

Configure, manage, and troubleshoot F5 LTM, load balancing, routing, Azure networking, and cybersecurity solutions supporting critical national security infrastructure. The role develops secure network architectures, resolves complex connectivity issues, implements security policies, tests email security components, and produces technical documentation. Collaboration with operational and security teams is required, along with supporting resilient modernization efforts and potentially DoD environments.

Leads Robinhood’s AI-focused Security Operations strategy across offensive and defensive security. Responsibilities include red team research, penetration testing, application security, threat detection, incident response, threat intelligence, and architecting intelligent defensive systems against sophisticated and AI-powered attackers. The role establishes technical standards, mentors engineers, drives security AI innovation, and influences organization-wide security direction.

Administers and engineers enterprise physical security technologies, including access control, video surveillance, alarms, radio, and wireless systems. Troubleshoots complex hardware, software, networking, and infrastructure issues; leads upgrades, migrations, deployments, integrations, and modernization projects. Designs, configures, tests, and commissions solutions; evaluates emerging technologies; maintains technical documentation and procedures; coordinates vendors and contractors; and supports mission-critical public safety systems through onsite and rotating on-call coverage.

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 implements application security protections for APIs, services, developer tools, and data platforms supporting autonomous vehicle and software infrastructure. Responsibilities include threat modeling, code and architecture reviews, authentication and authorization controls, secure handling of credentials and sensitive data, CI/CD security integration, vulnerability remediation, and reusable security tooling. The role partners with software, infrastructure, and corporate security teams to prioritize and measure security improvements.

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.