Top Senior Cyber Security Jobs

Conduct offensive security assessments and red team operations to identify network and system vulnerabilities; perform malware and packet analysis; develop scripts and tools; deliver written and oral briefings to clients and management; and train and mentor junior operators.

Lead end-to-end delivery of network security and cyber resilience solutions (Zero Trust, segmentation, NAC, firewalls), translate designs into implementation roadmaps, identify and drive remediation of security weaknesses, ensure alignment with architecture, risk, and operational resilience, and coordinate stakeholders across engineering, operations, vendors, and global teams.

Lead research and produce high‑impact network security insights. Advise clients on evaluation, selection and deployment of network security technologies, present at events, support sales, mentor analysts, and drive research agenda and process improvements.

Serve as the technical lead and sales engineer for security solutions, supporting regional sales to qualify opportunities, design multi-vendor security architectures, author RFP responses, create BOMs/SOWs, and present solutions to customers and executives. Mentor junior staff, maintain OEM certifications, and collaborate with delivery teams to ensure successful implementation and customer satisfaction.

Lead cybersecurity engineering for US Naval warfare systems: author A&A artifacts, apply RMF and DISA STIGs, design/detect/correct defenses, plan and execute security testing, shepherd ATO/IATO processes, and serve as Information Assurance Officer and technical lead for risk assessments and vulnerability management.

Lead and drive the vehicle cybersecurity roadmap across platforms, managing requirements, risk-based triage, feature design, implementation, verification, and release reporting. Coordinate cross-functional and external OEM/supplier teams, partner with fleet operations to mitigate operational friction, and ensure architectures meet automotive security standards and regulations.

Lead development and execution of infrastructure security strategy and roadmap across on-prem, cloud, and hybrid environments. Establish standards, implement controls (servers, endpoints, network, cloud, containers), drive automation (IaC, policy-as-code), manage security tooling lifecycle, measure KPIs/KRIs, remediate risks, mentor engineers, and partner with cross-functional teams to enable secure technology delivery and incident response.

Perform advanced offensive security work: conduct complex penetration tests, teach and integrate offensive tradecraft into the AI platform, harden product and company defenses, and collaborate with core engineers to build and ship capabilities that automate red-team techniques.

Lead assessments, design secure infrastructure and controls, implement scalable security solutions, operate and administer enterprise security tools, drive vulnerability management, incident response, and risk analysis, and report security posture to stakeholders and senior leadership.

Design and maintain enterprise security capability architectures, translate business requirements into technical specifications, develop roadmaps and lifecycle plans, prioritize investments, ensure adherence to architectural standards, and collaborate with product management, engineering, operations, and third-party suppliers to defend against internal and external cyber threats.

Designs and maintains enterprise security architecture aligned with NIST RMF and DoD STIGs. Performs security engineering across the SDLC, vulnerability management with Nessus/ACAS/Qualys, incident response and threat detection using Splunk, endpoint protection and PAM (CyberArk), automation with PowerShell/Python/Bash/Ansible, cloud and container security (AWS/Azure/Kubernetes), documentation, training, and technical leadership for accreditation and continuous monitoring.

Provide security oversight for network and mainframe systems to ensure confidentiality, integrity, and availability. Evaluate security architecture, recommend hardware/software, perform risk assessments and penetration testing, support security projects and disaster recovery, and assist in policy and standards creation.

Provide cybersecurity engineering and architecture for mission and enterprise systems, translate NIST/CNSS controls into secure designs, troubleshoot Linux/Windows servers and endpoints, Cisco network devices, and enterprise storage, implement continuous monitoring (vulnerability scanning, SIEM), perform technical security assessments using Tenable and DISA STIGs, prioritize risk, and lead remediation efforts to maintain compliance and mission assurance.

Manage and grow a security engineering team responsible for product and platform security, embedding security into the SDLC, running red team/adversarial testing, performing hands-on web application pentesting, threat modeling, secure-coding guidance, and defining AI security guardrails.

Serve as security engineering representative on teams to design, implement, evaluate, and integrate IA architectures, secure networking, computing, and enclave environments. Apply IA policy and procedures, support security planning, assessment, risk analysis/management, identify data handling requirements, and enforce trusted relationships with external systems while interacting with customers and project teams.

Designs and implements enterprise security architecture, develops security standards and policies, leads security projects and incident response, mentors junior staff, evaluates and configures network/security devices, and drives security awareness and strategy across the organization.

Design, build, and implement network security architecture including firewalls, segmentation, Zero Trust, and cloud network design (Azure). Lead end-to-end technical migrations, work hands-on with engineering during build/cutover, remediate legacy configurations, document architectures, handle ServiceNow RSA tickets, and advise stakeholders on network security.

Lead strategy, execution, and operational excellence for multiple security engineering domains. Build and develop leaders, deliver multi-year roadmaps, drive platform evolution, automation, vendor strategy, and cross-functional programs to reduce risk and scale secure operations.

Lead security architecture design and implementations, provide L2-L3 support and 24x7 incident response, manage work orders/change requests, perform on-site technical implementations and client consulting, and ensure delivery of enterprise security solutions.

Support cybersecurity engineering for a VA healthcare modernization project: secure AWS and hybrid environments, support RMF/ATO and compliance, configure and monitor AWS security services, produce SSPs/POA&Ms/SOPs, perform vulnerability assessments and DISA STIG hardening, integrate security into DevSecOps and CI/CD, and collaborate with stakeholders on security controls and remediation.

Lead technical security architect responsible for administering network security devices, performing security assessments against NIST/PCI/SCSEM controls, conducting incident response analysis, advising on vulnerability remediation and hardening, evaluating exceptions and privileged access requests, and administering Tenable and McAfee security tooling.

Provide Tier 3 network security engineering for INSCOM: install, configure, and harden network and security infrastructure; troubleshoot switching, routing, VPNs, and Next-Gen firewalls; manage ACLs and firewall policies; configure F5 BIG-IP (LTM/ASM); perform packet analysis; apply STIGs/NIST hardening; collaborate across teams and support enterprise SDLC.

Lead engineering and integration of perimeter security controls across on-premises and cloud infrastructure. Collaborate with stakeholders to align capabilities with policies, coordinate deployments to minimize service disruption, work in agile sprints, produce technical documentation, provide Tier 4 support and on-call coverage, and drive operational excellence.

Lead and grow an offensive security consulting practice, oversee penetration testing and red team engagements, advise senior stakeholders, support pre-sales and solution design, and drive capability development and service innovation.

Build and maintain scalable data pipelines and data products to enable security and fraud detection. Implement ETL, data models, and distributed processing (Spark/Presto/Flink/Kafka) to centralize signals, support analytics and machine learning, and partner with security teams to improve detection and mitigation of fraud and account compromise.