Top Senior Cyber Security Jobs

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, implement, and document enterprise network and security architectures using Palo Alto, F5, Meraki, Cisco, and Azure. Produce SOPs, collaborate with cross-functional teams, participate in agile ceremonies, identify process improvements, and support projects and special initiatives.

Senior individual-contributor who defines enterprise network security architecture and roadmap, leads design/implementation of firewalls, SWG, WAF, SD-WAN security and segmentation, provides senior escalation for incidents, governs standards, mentors engineers, and manages vendor/outsourced relationships to modernize and automate network security infrastructure.

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.

Design, integrate, and maintain secure multi-enclave network architectures meeting NSA CSfC and DoD/Army requirements. Configure and troubleshoot firewalls, VPNs, routing, VRF, IDS/IPS, virtualization, Windows and RHEL systems, and SIEMs. Develop automation scripts, produce architecture and test documentation, perform vulnerability assessments, and support lab, integration, and field activities with up to 25% travel.

Senior technical authority for security architecture, engineering design, and enterprise risk mitigation. Designs, implements, and configures security solutions across firewalls, endpoints, monitoring, vulnerability management, incident response, and forensics. Leads tactical implementation, performs assessments, product evaluations, project support, and supports the Information Security program and strategic objectives.

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, implement, and maintain secure system architectures; translate RMF control baselines into implementable security requirements; analyze vulnerability/scanning results and drive remediation; provide security engineering input for cloud, Zero Trust, containerization, and CI/CD; maintain security artifacts and tooling; mentor junior staff and support authorization (RMF) activities to strengthen enterprise security posture.

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.

Perform technical security assessments, design and integrate IA architectures and secure networking/enclave environments, support security planning, risk analysis, and trusted relationships. Work with HPC systems (Red Hat/CentOS/SUSE), parallel file systems (Lustre, GPFS), high-speed interconnects (Infiniband, Slingshot), transition systems to operations, and support HPC/ABS SRE sustainment activities for IC missions.

Lead and execute offensive cyber operations including red team engagements, network exploitation, malware analysis, and tool development. Provide written and oral client briefings, mentor junior operators, and create scripts to improve operational efficiency.

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.

Conduct offensive cyber operations, red team and penetration tests, network exploitation, malware analysis, and tool development. Analyze network/system weaknesses, brief clients and management, and train junior operators to improve operational tradecraft and efficiency.

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.