Top Senior Cyber Security Jobs

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.

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.

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.

Design, implement, and manage hands-on security solutions; perform complex security assessments and red/blue team exercises; support pre- and post-sales engineering; lead and mentor engineers; document and control changes; deliver multi-discipline solutions across networking, firewalls, wireless, data center, and cloud environments while ensuring high customer satisfaction.

Provide cybersecurity engineering and operations support for DoDIIS Enterprise IT Infrastructure, lead A&A preparation, ensure compliance with ICD 503 and NIST/DoD IA frameworks, and coordinate IA across security disciplines.

Design, build, and scale security infrastructure across systems, networks, endpoints, and products. Own security architecture, detection/response, vulnerability and risk management, and security policies. Integrate security into the SDLC, partner with engineering, run incident response and monitoring, lead security education, and temporarily own IT infrastructure.

Lead design and implementation of security infrastructure and administer mission-critical engineering and DevOps applications. Manage Linux/RHEL systems, JFrog Artifactory, GitLab/GitHub, 3DX/Cameo/Jama/Teamcenter platforms, integrations, DISA STIG hardening, CI/CD integrations, and provide Tier 2/3 troubleshooting, compliance support, and ATO/RMF evidence for a classified defense program.

Lead systems security engineering for edge and embedded avionics: analyze threats, design mitigations, apply RMF, support electronic warfare/EMSO, develop cybersecurity solutions, engage customers, and transition technologies into product portfolios.

Lead development and evangelism of end-to-end security architectures and roadmaps. Influence stakeholders to evolve security infrastructure, products, and services. Apply deep technical security, information assurance, network protocol, and cryptography expertise to design secure solutions and drive cross-functional initiatives.

Lead security architecture strategy and roadmaps, influence stakeholders, evolve security infrastructure/products, and apply deep technical security and information assurance expertise across networking and cryptography domains.

Lead engineering delivery for enterprise network security platforms (firewalls, IDS/IPS, SWG/proxy, NAC, SASE, cloud controls). Own architecture, lab validation, build, integration, rollout, automation (IaC, CI/CD, policy-as-code), governance, metrics, vendor/budget management, and cross-team collaboration to improve reliability and threat detection.

Design, build, and maintain secure systems and architectures; develop security standards; perform risk assessments, vulnerability analyses, and incident response; implement identity and access management and encryption; ensure compliance; collaborate with infrastructure, application, and security teams; research and advocate security technologies and controls.

Design, evaluate, and secure complex LAN/WAN and SIGINT hardware systems. Conduct onsite assessments, lead hardware installations, model and test solutions, perform MTBF/MTTR analyses, analyze vulnerabilities, evaluate architectures, research COTS/GOTS, optimize wired and wireless networks, develop security documentation, and ensure compliance with government security requirements.

Lead and execute offensive cyber operations including red team engagements, network exploitation, malware analysis, and tool development. Produce client briefings, mentor junior operators, and improve operational tooling and efficiency.