Top Senior Cyber Security Jobs

Oversee the security of firm applications, networks, systems, hardware, and mobile devices throughout their lifecycles. Develop security requirements and architecture, manage controls and configurations, perform certification and accreditation, maintain asset inventories, and ensure secure development and acquisition practices. Collaborate across departments and mentor team members while serving as a primary technical security contact. The role requires independent judgment, strong analytical ability, knowledge of security frameworks and technologies, and at least seven years of related experience.

Designs, implements, and maintains enterprise network security infrastructure and architecture. Develops security policies, evaluates controls and technologies, supports compliance, advises on technology purchases, and oversees secure implementations across networks, endpoints, cloud services, identity systems, and physical security. Collaborates with engineering teams, vendors, business units, and senior management while troubleshooting complex systems and translating business needs into long-term security solutions.

Designs, implements, and maintains information security systems and network security infrastructure for an intelligence customer. Responsibilities include RMF and A&A compliance, security policy and documentation, incident response, vulnerability remediation, audit and log analysis, security configuration, infrastructure troubleshooting, and AWS-based security solutions. The engineer supports firewalls, gateways, IDS, load balancers, and monitoring tools while collaborating with developers, system engineers, project managers, and users.

Secure and optimize enterprise network infrastructure through firewall lifecycle management, GlobalProtect VPN support, vulnerability remediation, incident response, monitoring, troubleshooting, and automation. Develop Ansible and Python workflows for threat defense, data collection, investigation, threat hunting, and user access management. The role also designs, configures, maintains, and monitors cybersecurity capabilities and supports onsite testing and deployments.

Design and build AI-powered cybersecurity platforms that ingest and normalize massive security telemetry, correlate events, predict threats, and generate explainable findings. Develop Python backend services, distributed storage systems, and AIDevOps pipelines for rapid experimentation. Integrate foundation models, agentic systems, RAG, embeddings, and graph-based models into analyst workflows. Collaborate with product teams, security experts, and engineers to deliver scalable, trusted threat detection and automation capabilities.

Design and build AI-native cybersecurity platforms that analyze large-scale security telemetry, correlate events, predict threats, and generate explainable alerts. Develop scalable distributed systems, data pipelines, AI DevOps workflows, agentic systems, RAG and embedding solutions, and model integrations. Collaborate with security researchers, SMEs, product managers, and engineering teams to create trusted automation and analyst-focused threat detection, investigation, and response capabilities.

Design and build AI-powered cybersecurity platforms that process large-scale telemetry, detect and predict threats, and generate explainable alerts. Develop scalable Python services, distributed data systems, AI DevOps pipelines, agentic workflows, RAG capabilities, and model integrations. Collaborate with security experts, product managers, and engineers to validate AI features and improve analyst workflows for security operations.

Build and improve platform security for software operating across cloud, factory, edge, and air-gapped environments. Responsibilities include implementing identity, access control, secrets management, data protection, and system boundaries; hardening Kubernetes, Linux, cloud, and edge deployments; securing software supply chains; automating CI/CD security controls; conducting threat modeling and vulnerability remediation; and supporting accreditation through technical controls, evidence, and system designs.

Own security for cloud and ML infrastructure, including tenant isolation, GPU cluster security, model protection, vulnerability management, network segmentation, monitoring, access governance, and credential management. Lead infrastructure security projects and establish technical standards and guardrails in partnership with Security, DevOps, Engineering, IT, and ML teams. The role also supports incident response, CSPM, sandboxing, container isolation, and SOC 2 readiness.

Design, implement, and harden enterprise security controls across endpoints, identity, networks, and data. Configure security platforms, develop Python and Go automation, maintain macOS, Linux, and Windows security baselines, support network security and vulnerability management, and contribute to SIEM detection pipelines. The role partners with IT and Engineering, delivers scoped security projects, and participates in an on-call rotation.

Lead enterprise network segmentation projects using Guardicore Micro Segmentation across data center and cloud environments. Responsibilities include architecture design, project planning, installation, integration, configuration, policy deployment, documentation, customization, training, optimization, and troubleshooting. The role partners with customers, Support, and Engineering teams to deliver successful implementations and improve post-sales satisfaction.

Leads cybersecurity solutions engineering for government and education customers across managed security, network monitoring, cloud security, and related services. Provides technical discovery, solution design, demonstrations, proofs of concept, onboarding, deployment guidance, escalations, and post-sales support. Partners with sales and technical account teams, mentors engineers, develops enablement materials, informs product strategy, identifies expansion opportunities, and manages customer activity in Salesforce.

Set technical strategy and architecture across security engineering domains, build AI security foundations, and lead cross-cutting initiatives from concept through production. The role requires hands-on development and operation of production security systems, deep IAM or cryptography expertise, broad security engineering knowledge, cross-organizational influence, ambiguity management, collaboration, and mentorship.

Design, implement, maintain, and support cybersecurity tools and platforms, including EDR, DLP, web proxy, messaging security, vulnerability management, and identity and access management. Develop security playbooks and troubleshooting documentation, assist with incident response, collaborate across teams, and improve the confidentiality, integrity, and availability of systems and data.

Designs, implements, maintains, and supports information security tools and platforms protecting systems, networks, and data. Performs security engineering, operations, vulnerability management, incident management, threat intelligence, threat hunting, and cyber threat analytics. Manages EDR, DLP, web proxy, messaging, vulnerability management, and identity-access tools; develops playbooks and troubleshooting documentation; and assists with incident response while collaborating cross-functionally to improve security posture.

Leads BackOps’ infrastructure and security engineering team, owning multi-cloud and on-premise infrastructure, reliability, networking, access controls, secrets, vulnerability management, SOC 2 controls, and security automation. The role includes hiring and mentoring engineers, establishing paved roads and operational standards, translating risks for executives and customers, improving incident response, and building scalable security and infrastructure functions.

Leads a distributed team securing NVIDIA DGX Cloud’s large-scale GPU infrastructure. Responsibilities include hiring and developing engineers, setting strategy for security control planes and foundational services, delivering measurable risk reduction, maintaining engineering standards, communicating security risks to executives, and collaborating with platform, SRE, networking, and security teams. The role requires strong engineering management, infrastructure or security expertise, cloud-native fluency, and influence across partner organizations.

Leads the design and implementation of secure IT infrastructure, advanced security monitoring, threat analysis, incident response, digital forensics, risk assessments, and security controls. Maintains Windows environments, Active Directory forests, domain controllers, certificate services, hypervisors, and hardened Group Policy configurations. Evaluates security technologies, documents breaches, mentors junior engineers, and participates in on-call incident response.

Leads cybersecurity engineering for secure systems and networks, translating RMF requirements into testable controls and maintaining authorization documentation. Performs vulnerability analysis using Nessus, ACAS, STIG, and SCAP results; supports remediation, system hardening, compliance verification, audits, and full A&A authorization cycles. Provides architecture guidance, embeds security into engineering and CI/CD processes, administers cybersecurity tools, and communicates technical risks to stakeholders.

Lead global deployment of Qnity’s OT cybersecurity program across manufacturing sites. Responsibilities include securing ICS and PCN networks, implementing segmentation, remote access, monitoring, asset management, backup, EDR/XDR, and MFA solutions; developing cybersecurity standards, audits, and disaster recovery plans; reviewing automation and capital projects; conducting risk assessments and incident investigations; and mentoring site engineering teams.

Designs, implements, monitors, and maintains security technologies protecting systems, networks, and data. Responsibilities include incident response, vulnerability remediation, security architecture reviews, secure network design, identity and access management, cloud security, policy documentation, DevOps security integration, tool implementation leadership, and off-hours support. The role also develops automation, evaluates emerging threats and technologies, supports compliance, and educates colleagues on information security practices.

Defines, analyzes, designs, and implements network security requirements and solutions for local and wide area networks supporting the Defense Logistics Agency. Evaluates security products, configures communications protocols, detects network vulnerabilities, performs risk analyses throughout the system development lifecycle, and integrates network security solutions. Requires five years of relevant experience, a current DoD Top Secret clearance, and a DoD 8570 IAM Level III certification such as GLSC, CISM, or CISSP.

The OT Network Security Engineer supports 24/7 operations for the Bulk Electric System. Responsibilities include maintaining NERC/CIP compliance, configuring and managing network devices, securing SCADA infrastructure, troubleshooting network security issues, analyzing logs and events, responding to incidents, supporting development projects, and coordinating across teams. The role requires on-call participation, crisis management, strong communication, and experience in transmission utility or SCADA environments.

Designs, deploys, and supports enterprise network security systems, including BGP routing, DDoS mitigation, cloud network security, and WAF solutions. Leads security engineering initiatives, defines requirements, manages technical risks and vulnerabilities, develops test plans, reports metrics, collaborates with stakeholders, resolves complex security issues, and mentors team members.

Design, implement, and operate Apollo’s security controls across identity, cloud infrastructure, endpoints, and incident response. Build secure-by-default systems, evaluate security vendors, lead security projects, shape the roadmap, and promote effective security practices across the organization. Key initiatives include zero-trust migration, agentic SOC development, sandbox hardening, third-party access reviews, incident response, and penetration-testing tooling.