Top Senior Cyber Security Jobs

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.

Design, develop, and maintain Windows-focused PAM components including services, agents, and RDP handlers. Integrate with Windows APIs, authentication and privilege models, implement secure credential handling and policy enforcement, collaborate with backend teams, perform code reviews, and troubleshoot complex Windows OS and enterprise configurations.

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.

Designs, implements, and maintains security architecture for SCADA/OT systems in wastewater operations. Collaborates with IT and Water Reclamation teams to build compliant security controls, advises on best practices, participates in projects and requirements analysis, and mentors junior staff. Works under limited supervision and is evaluated by results and reviews.

Lead architecture and design of cybersecurity solutions for federal networks. Harden systems, reduce attack surface, and recommend tools across IoT, cloud, IAM, A&O, and ML domains. Coordinate with executives, guide teams, author technical documentation, and develop implementation plans and roadmaps to mature cybersecurity capabilities.

Design, review, and implement enterprise cybersecurity architectures across shipboard and shoreside environments. Provide security oversight, threat modeling, risk mitigation, hardening standards, and architecture guidance for network, cloud, application, data, endpoint, identity, and OT domains aligned to NIST/CIS/Zero Trust.

Lead enterprise cybersecurity architecture for shipboard and shoreside systems, design and review secure solutions across network, cloud, application, data, endpoint, identity, and OT domains, develop standards and reference architectures, conduct threat modeling and risk assessments, and guide security integration into projects and transformations while aligning to CIS, NIST, and Zero Trust principles.

Senior Cybersecurity Architect designs, reviews, and implements enterprise security architectures across shipboard and shoreside systems. Responsibilities include architecture reviews, developing reference architectures and hardening standards, supporting cybersecurity transformation initiatives (IAM, CSPM, network segmentation, endpoint/data security), threat modeling, risk mitigation, and aligning security controls with NIST/CIS/Zero Trust frameworks while advising stakeholders and embedding security across project lifecycles.

Lead and execute red team operations against Azure and Microsoft services to discover and exploit vulnerabilities, prototype offensive tools, analyze data for breach points, collaborate with blue teams to improve defenses, and advocate for security improvements across the company.

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 systems security engineering for sensor and mission systems, developing Anti-Tamper and cybersecurity architectures, requirements, testing, reverse-engineering analyses, exportability and technology release assessments, cryptographic safeguards, and ST&E support to meet US government policies and program needs.

Lead systems security engineering for DoD sensor and mission systems, designing and validating anti-tamper and cybersecurity solutions. Perform requirements development, trade studies, reverse engineering, cryptographic protections, security test & evaluation, technology release/licensing analyses, and ensure compliance with US government security policies for export and program certification.

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.

Lead design and deployment of enterprise security solutions, define and enforce security policies, manage vulnerability lifecycle and incident response, conduct threat modeling and security assessments, perform forensic investigations, guide secure development with static/dynamic analysis, and architect internal security tooling and detection capabilities.

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.