Top Cybersecurity Engineer Jobs

Lead cybersecurity engineering for mission systems: design, implement, and maintain security controls and tools (SIEM, EDR, firewalls); support incident response, RMF/ATO activities, vulnerability management, audits, and DevSecOps integration to ensure compliance and secure configurations.

Develop and apply AI/ML techniques for anomaly detection in cybersecurity, build and optimize models and tools using Python, Pandas, and C/C++, analyze and troubleshoot security events, work with embedded DoD devices, and support on-site activities with quarterly travel while maintaining an active Secret clearance.

Design, build, and deploy on-premises and cloud cybersecurity infrastructure for large enterprise networks. Architect solutions, produce architecture diagrams and roadmaps, lead tests and implementations, coordinate security assessments and authorizations, and recommend technology upgrades. Serve as technical lead and represent customer requirements to government stakeholders.

The Cybersecurity Engineer will design, implement, and maintain security systems while monitoring for breaches and conducting assessments to protect infrastructure and data.

Lead product cybersecurity for Humanoid's HMND 01 platform family. Define assurance strategy, threat modelling, and audit-ready security artefacts; ensure compliance with IEC 62443, EU Machinery Regulation and Cyber Resilience Act; establish PSIR/PSIRT, oversee risk assessments, remediation, and field monitoring; engage customers, certification bodies, and support bids and regulatory interactions.

Protect and defend enterprise and mission IT infrastructures, secure cloud and classified environments, implement policy-based data flows and boundary protections, support RMF certification/accreditation, perform penetration testing and red/blue exercises, develop security documentation, and communicate technical risks to stakeholders.

Provide cybersecurity and information assurance activities at Aberdeen Proving Ground. Review cybersecurity packages, develop strategies, and manage documentation.

Provide cyber intelligence services for the U.S. energy sector: deliver threat intelligence on nation-state and criminal actors; design, implement, and secure enterprise IT and OT environments; manage cloud security, Zero Trust, RMF/NIST 800-53 compliance; support ATO packages and continuous monitoring; perform endpoint security, vulnerability management, and system hardening. Requires active TS/SCI or DOE Q.

The Cybersecurity Engineer is responsible for protecting data and infrastructure, implementing firm-wide defenses, leading awareness efforts, and handling incident responses.

Senior security engineer to build, operate, and secure a Kubernetes-based cloud platform. Responsibilities include infrastructure automation (Terraform), CI/CD (Argo CD), observability, security tooling, compliance, troubleshooting, documentation, and cross-team collaboration to support U.S. federal contracts.

Design, implement, and evaluate cybersecurity architectures and controls for DoD systems. Conduct risk and vulnerability assessments, support testing, ensure compliance with DoD standards, produce technical documentation, and collaborate with cross-functional teams to protect mission-critical networks and support the warfighter.

Build end-to-end full-stack product workflows and backend services for AI-powered security: vulnerability discovery, scanning, red teaming, findings review, remediation, and reruns. Design APIs, data models, async orchestration, durable state, and integrations; improve reliability, observability, and user trust while partnering with security researchers and product teams.

Manage and optimize SIEM (Splunk) platform health, data ingestion, and detection coverage. Investigate anomalies, develop high-fidelity detections, build CI/CD tools, and collaborate with SOC and threat teams to improve threat identification and response.

Supports cybersecurity-focused industry-managed and certification programs through audit reviews, task group leadership, auditor recruitment and training, standards development, technical reporting, and quality-system support. The role serves as a cybersecurity subject matter expert, contributes to internal improvement projects, maintains technical proficiency, supports budgets, and travels approximately 30% of the time.

Design, implement, and maintain PKI and encryption solutions, manage certificate and key lifecycles, drive automation of PKI processes, evaluate emerging crypto technologies, ensure regulatory compliance, coordinate vendors, and mentor junior engineers to strengthen the bank's security posture.

Design, implement, and operate PKI and encryption solutions for the bank. Manage key lifecycle, certificate issuance/revocation, HSMs, and automate PKI processes. Advise on cryptographic protocols and compliance, evaluate vendor technologies, coordinate with stakeholders and vendors, and mentor junior engineers while ensuring risk and regulatory controls are met.

Support and improve application security by implementing and operating SAST/DAST, API and container security solutions; triage and resolve security issues; collaborate with dev and product teams; participate in on-call rotation; drive projects to completion and integrate security into DevSecOps practices.

Support cybersecurity architecture and engineering across enterprise environments including Zero Trust, cloud security, DevSecOps, AI/GenAI security, PQC, SSO, vulnerability scanning, automation, and documentation. Develop technology roadmaps, conduct market research and proofs of concept, and support integration, CONOPS, and engineering activities.

Lead and oversee system security engineering and certification activities for SAP/SCI systems. Chair cybersecurity working groups, assess designs for compliance with NIST/RMF and JSIG, provide risk management and accreditation support, assist program protection planning, and coordinate with approval authorities to obtain Authorization to Operate.

Implement, operate, and improve cybersecurity solutions; provide functional and technical expertise on security projects; gather business/IT requirements to develop security processes; triage incidents and provide urgent support; participate in on-call rotation; and drive projects to completion through project management and stakeholder coordination.

Build and operate production-grade agentic AI systems for cloud security and governance: design LLM-powered agents, RAG pipelines, integrate with cloud/SaaS security tools (SIEM, CNAPP/CSPM/SSPM), implement Security-as-Code/Policy-as-Code, contribute to shared AI infrastructure, and ensure secure, auditable AI operations.

Lead integration of cybersecurity into the Software QMS and SDLC for consumer, research, and SaMD products. Guide creation/maintenance of design files, risk management, verification/validation, post-market surveillance, CAPA and audit responses, and cross-functional cybersecurity initiatives to meet FDA and international medical device standards.

Develop production-grade software for a satellite communication system, focusing on cybersecurity and cryptography. Implement cryptographic modules, defensive programming techniques, and lead ground software development.

Lead design and implementation of DoD cloud and enclave security architectures. Integrate RMF, cATO, Zero Trust, and DevSecOps into Agile workflows; maintain Bodies of Evidence, validate controls, support vulnerability management, STIGs, and cloud-native security across development and classified environments. Brief leadership and coordinate cross-functional cyber teams.

Designs, deploys, configures, and maintains on-premises and cloud cybersecurity infrastructure (Windows/Linux and AWS). Implements and modernizes enterprise security solutions (NDR/EDR, NGFW, IDS/IPS, F5), supports security assessments and authorizations, develops architectures, roadmaps, and test plans, and coordinates stakeholders for secure operations.