Top Senior Cyber Security Jobs

Leads the design and implementation of secure IT infrastructure, performs security monitoring and threat analysis, enforces security controls, evaluates security technologies, manages patching and vulnerability scanning, and maintains continuous system security. Provides guidance to stakeholders, manages security projects, mentors junior engineers, and participates in incident-response on-call rotations.

Leads and supports offensive security consulting engagements, including network, web application, wireless, social engineering, red team, and purple team testing. Evaluates controls and security configurations, performs cybersecurity assessments, recommends remediation, and presents findings to technical and executive stakeholders. Supports client program execution, metrics, issue remediation, and continuous improvement. Mentors junior consultants and contributes to cybersecurity practice development, methodology innovation, and thought leadership.

Lead pre-sales security architecture engagements by designing and validating defense-in-depth solutions across hybrid, cloud, application, identity, endpoint, network, and data environments. Conduct security assessments, create remediation roadmaps, integrate security platforms, and support DevSecOps, SOC, detection engineering, incident response, compliance, and risk programs. Collaborate with sales, engineering, clients, and executive stakeholders to communicate technical trade-offs and deliver scalable enterprise security strategies.

Designs and delivers security solutions for enterprise information systems and network architectures. Ensures classified systems meet information assurance requirements through RMF authorization and accreditation, including IATT, ATC, and ATO. Develops security designs and test plans, analyzes scans and findings, prioritizes remediation, and implements corrective measures. Supports security tools and collaborates with clients on technical requirements. Requires expertise in Windows, Linux, cloud or DevOpsSec, ACAS, Trellix, Splunk, STIGs, and classified systems.

Designs, implements, administers, and improves enterprise cybersecurity controls across endpoints, identities, cloud, email, networks, and applications. Investigates incidents, leads vulnerability management, performs architecture reviews and risk assessments, supports audits and compliance, and develops security standards, playbooks, documentation, and automation. Provides technical leadership and mentoring while aligning security practices with HIPAA, HITRUST, NIST, PCI DSS, and related requirements.

Leads complex cybersecurity initiatives, including Microsoft Purview DLP and data classification, third-party risk assessments, security architecture, vulnerability scanning, penetration testing, and incident response. Designs and manages enterprise security solutions, investigates application and service security, performs risk assessments and root-cause analysis, and advises stakeholders on security practices. The role also mentors colleagues, documents processes, and supports emerging AI and cloud security risks.

Designs, implements, and operates SASE and ZTNA architecture across GCCH and commercial environments. Owns identity-driven access controls, session management, telemetry, compliance mapping, dashboards, and audit evidence. Serves as the senior escalation point for incidents, performs root-cause analysis, integrates device posture and SOAR workflows, develops AI-enabled automations, collaborates with identity, network, compliance, and vendors, and mentors junior engineers.

Implements and operates Identity and Access Management solutions covering provisioning, access governance, identity federation, and secure application integrations. Develops IAM architecture and design documentation, troubleshoots access issues, supports SAML and OAuth integrations, and helps ensure policy compliance and performance. The role may lead IAM projects and work across hybrid cloud and on-premise environments using platforms such as Oracle IAM and CyberArk. It also requires Linux or Unix knowledge and may involve monitoring with SIEM tools.

Owns the company-wide IT and cybersecurity program, including SOC 2 compliance, cloud security, penetration-test remediation, business continuity testing, endpoint management, access controls, onboarding and offboarding, AI security governance, vendor reviews, security training, incident response, and employee IT support. The role partners with engineering, HR, Finance, leadership, auditors, and healthcare customers while managing security across AWS, Heroku, Cloudflare, Google Workspace, GitHub, and related tools.

Build and automate security infrastructure across AWS and Kubernetes, including cryptographic material lifecycle, telemetry pipelines, policy-as-code, compliance monitoring, and incident-response tooling. Develop agentic AI workflows using coding assistants, MCP integrations, and custom harnesses. Apply threat modeling and secure architecture review while partnering with engineering, risk, auditors, vendors, and clients. The role emphasizes production software, cloud-native automation, continuous control monitoring, and eliminating manual security toil.

Build and operate a reliable security platform across hundreds of AWS environments. Responsibilities include security telemetry and OpenSearch infrastructure, GitOps deployments, Kubernetes and AWS security controls, cross-account and multi-region architecture, Python automation, and agentic AI workflows. The role participates in on-call support, security incident enablement, audit evidence automation, and reliability improvements while collaborating with Security Operations, Risk, and SRE teams.

Lead cybersecurity engineering for systems, ensuring compliance with RMF/NIST and security standards (STIG, OWASP, CIS). Perform vulnerability assessments, A&A support, risk analyses, implementation guidance, and vulnerability remediation using tools like Nessus, Nexpose, ACAS, and SAST/DAST. Coordinate stakeholders, document security posture, and obtain required special access and clearances.

Lead design and implementation of company-wide security architecture, perform penetration testing and vulnerability management, automate security tooling and CI/CD scanning, build observability and incident response systems, and collaborate across teams to scale security for AI compute and research infrastructure.

Support cybersecurity and systems security engineering for U.S. Navy afloat and undersea platforms. Analyze vulnerabilities, design and assess security solutions across lifecycle phases, support testing and accreditation, recommend risk mitigations aligned with DoD/Navy requirements, and produce technical documentation and briefs to strengthen mission resilience.

Senior individual contributor responsible for designing and owning security engineering programs: security tooling, identity and access architecture, cloud security posture (GCP), detection engineering and SIEM operation, incident response and forensics, OAuth and third-party app governance, secrets and MFA strategy, endpoint and vulnerability management, and security automation/Infrastructure-as-Code. Mentors teammates and partners with platform engineering and IT leadership to implement controls and automation.

Design, implement, and support enterprise network and security infrastructures for customers. Deliver professional services from discovery and design through production support, documentation, and demonstrations. Engage customers as a trusted technical advisor, support pre-sales labs/POCs, maintain demo labs, pursue certifications, and drive continuous technical development.

Lead system security engineering for secure platforms across architecture, design, integration, and deployment. Define system-level requirements, identify and mitigate technical risks, develop security documentation and program protection plans, mentor engineers, and communicate technical results to sponsors and program leadership. Support evaluation, accreditation, and implementation of cryptographic and supply-chain protections.

Lead design, integration, and deployment of trustworthy secure platforms. Define system security requirements, architect cybersecurity solutions, evaluate systems for cyber, reverse-engineering, and supply-chain threats, develop security documentation per government requirements, configure and monitor security infrastructure, mentor junior engineers, and present technical results to stakeholders.

Design and implement advanced cybersecurity solutions for DOE/NNSA programs. Perform security engineering, assessments, risk analysis, and compliance activities; develop software and technical solutions; support multi-lab teams; deliver cybersecurity training; and manage stakeholder priorities while using tools like Splunk, RSA, Tenable Nessus, and SELinux.

Designs and maintains enterprise security architecture and strategies, provides security expertise to IT and business teams, identifies and drives remediation of vulnerabilities, automates triage and prioritization, consults on IT initiatives, and leads incident response, forensics, and security tooling (firewalls, SIEM, PAM, vulnerability management) while producing technical documentation and supporting clinical stakeholders.

Lead regional network security engineering: administer and optimize WAN/LAN/Wi‑Fi, troubleshoot complex incidents, implement firewalls/load balancers, automate network tasks, ensure security/compliance, perform capacity planning, document architecture, and collaborate with cross-functional teams and vendors.

Implement and maintain Microsoft identity solutions (MIM/Microsoft FIM, ADFS, Azure AD), build custom MIM customizations and PowerShell automation, integrate SSO/federation, troubleshoot identity services, collaborate across OS/DBA/app teams, and support migration to cloud-based identity solutions.

Lead design, implementation, security, and lifecycle management of enterprise network, server, cloud identity, and cybersecurity infrastructure. Drive incident response, vulnerability management, disaster recovery, monitoring, and modernization projects. Provide technical escalation, documentation, architecture standards, stakeholder collaboration, and mentor engineering teams while participating in on-call support.

Conduct applied security research across network, system, software, and hardware layers; develop prototypes and analyses; advise US government stakeholders; perform exploit development, protocol and traffic analysis, and RF/SDR investigations.

Hands-on senior IT security engineer/architect responsible for designing, implementing, and managing security solutions across networking, firewalls, data center, cloud, and wireless. Lead security assessments, present remediation recommendations, run red/blue exercises, support pre- and post-sales engineering, mentor peers, and deliver complex technology projects to meet client satisfaction.