Top Senior Cyber Security Jobs in Washington, DC

Provides security engineering and architecture expertise for FedRAMP Cloud Service Provider assessments. Reviews full-stack architectures, authorization packages, security controls, policies, assessment reports, vulnerability scans, and penetration tests for compliance with FedRAMP, NIST, FISMA, RMF, and agency requirements. Leads vendor interviews, identifies technical and documentation gaps, supports continuous monitoring, advises government program leaders and CISOs, and provides security recommendations for cloud systems.

Perform offensive security research and engineering for Windows: discover vulnerabilities, develop PoC mitigations and tools (fuzzers/agents), conduct code and design reviews, partner with product teams, and engage external researchers to improve OS security.

Build, secure, automate, and operate AWS and Kubernetes infrastructure while supporting HIPAA and SOC 2 compliance. Responsibilities include Terraform development, CI/CD security, IAM, vulnerability management, observability, SIEM integrations, incident response, infrastructure hardening, scripting, technical documentation, and cross-functional automation. The role also participates in on-call coverage and evaluates new security and infrastructure tools.

Build and scale application security for a SaaS platform by integrating SAST, SCA, DAST, secrets scanning, and container/IaC checks into CI/CD. Partner with engineering and DevOps teams on threat modeling, secure code reviews, vulnerability remediation, incident response, and secure development practices. The role also supports compliance goals and translates security risks clearly to engineers.

Design, build, and operate secure, resilient distributed systems for secrets and key management across Cloudflare's global network. Re-architect and strengthen internal PKI and machine/workload identity, support and run services (including on-call), and consult with teams to ensure secure system design and usage.

Leads enterprise security architecture for cloud and on-premises systems supporting a federal agency. Develops security standards, reference architectures, diagrams, policies, procedures, and hardening guidance; assesses architectures and security postures; identifies gaps and privacy requirements; supports Zero Trust, RMF, acquisition, compliance, risk management, and technical briefings. Partners with stakeholders to translate business needs into secure technical solutions and maintains architecture documentation throughout the system lifecycle.

Designs and maintains Cribl data models and security log pipelines, routing and transforming telemetry into enterprise SIEM platforms. Supports SIEM, XDR, vulnerability management, DLP, endpoint security, Linux sensors, system hardening, threat detection, and defensive security architecture. Develops Python and Bash automation, integrations, and security controls while troubleshooting complex data issues. The role is fully remote within the United States, includes occasional South Carolina onsite work, and requires on-call participation.

Implement and configure SailPoint IdentityIQ and Identity Security Cloud solutions, including identity lifecycle management, access certifications, provisioning, integrations, workflows, rules, and application onboarding. Lead or support IIQ-to-ISC migrations, gather client requirements, create technical documentation, troubleshoot deployments, and support UAT and hypercare. The role also involves client interaction, mentoring junior engineers, and contributing to reusable delivery assets in a remote consulting environment.

Leads security operations and corporate IT for a healthcare technology company handling PHI. Responsibilities include incident response, application and cloud security, IAM, endpoint management, vendor reviews, security policies, compliance support for HIPAA, SOC 2, and HITRUST, and management of three direct reports. The role also builds AI-driven automation tools and workflows for IT and security operations while partnering with executives, engineers, customers, auditors, and compliance leaders.

Monitor, investigate, and respond to global security incidents; lead incident response as an incident commander; develop security alerts, playbooks, automated actions, and escalation workflows; conduct threat hunting and threat intelligence research; improve detection, containment, and post-incident processes; collaborate with stakeholders; and participate in an on-call rotation.

Supports managed security clients through threat hunting, security event analysis, detection use-case tuning, incident documentation, remediation guidance, metrics, root cause analysis, and process improvement. Provides escalation support, mentorship, technical oversight, and collaboration with security engineering and architecture teams. Requires experience with enterprise SIEM and case-management tools, SOAR platforms, vulnerability scanning, cybersecurity frameworks, technical documentation, and 24/7 managed services operations.

Provides pre-sales technical support and technical account management for Vectra’s cybersecurity platform. Leads customer discovery, product demonstrations, proofs of concept, technology reviews, integrations, and security architecture discussions. Builds technical relationships with customers and channel partners, supports sales teams, collaborates on deployments and product projects, and maintains expertise in security technologies, networking, cloud security, attacker progression, incident response, and competitive offerings. Regional travel is required as needed.

Design, build, and scale IAM solutions across cloud and internal systems. Implement role design and least-privilege models, automate access workflows and reviews, integrate logging/metrics into SIEM, reduce privilege sprawl, identify and mitigate risky permissions, and operationalize IAM projects end-to-end with documentation and runbooks.

Lead the creation and growth of a new OT/IoT cybersecurity practice, owning its P&L, offerings, pricing, partnerships, hiring, delivery quality, and go-to-market strategy. Serve as a senior technical SME and trusted advisor for client assessments, regulatory compliance, executive workshops, roadmaps, and security engagements. Shape and close consulting opportunities, develop methodologies and deliverables, manage teams, and advise organizations on ICS/SCADA, segmentation, monitoring, IT/OT convergence, and AI-related risks.

Oversees information security compliance for complex federal programs involving applications, facilities, and infrastructure. Develops policies, conducts audits and risk assessments, evaluates security posture, manages compliance documentation, advises on systems security, and communicates risks and initiatives to government leadership. Collaborates with program leaders, software teams, security offices, and facility managers while supporting ISSO responsibilities and delivering consulting solutions.

Leads the organization’s cybersecurity program, including security operations, incident response, vulnerability management, GRC, compliance, third-party risk, security architecture, automation, and AI adoption. Manages security staff, vendors, MDR providers, projects, policies, audits, and operational improvements while reporting risks and performance to senior leadership. The role also drives security awareness, cross-functional collaboration, incident preparedness, and team development.

Design, implement, and assess cloud security architectures for intelligence community systems. Develop and evaluate security documentation, perform RMF assessments, recommend and deploy cloud security tools (on-prem, cloud, hybrid), and support accreditation. Collaborate with stakeholders, codify security procedures, and implement infrastructure-as-code solutions to meet mission requirements.

Design and scale automation and AI-driven solutions for security governance, risk, and compliance. Build pipelines to collect and validate evidence, integrate GRC platforms with security and IT systems, automate control monitoring and audit preparation, and deploy LLM-based workflows for testing, policy mapping, and risk reporting. Establish AI guardrails and quality controls while collaborating with security, engineering, data, and business teams to improve compliance and security posture.

Leads technical security sales engagements through demonstrations, proofs of concept, hackathons, architecture workshops, and customer consultations. Designs secure, scalable cloud and hybrid architectures, resolves technical blockers, and advises customers on Microsoft Security solutions, including Defender and Sentinel. Develops security posture recommendations, supports XDR, zero trust, cloud security, and AI adoption strategies, while influencing technical decisions and representing Microsoft in developer communities.

Establish and enforce security controls across Google Cloud and Oracle Cloud environments for a federal health customer. Manage IAM federation, least-privilege access, centralized monitoring, vulnerability remediation, and cloud security tooling. Validate deployments against FedRAMP High, FISMA, and NIST 800-53 requirements, support zero-trust architecture, and collaborate with governance, audit, security, and engineering teams. The role also provides technical leadership and develops cloud security standards.

Implement and validate Oracle Cloud Infrastructure security controls for a federal health customer. Responsibilities include securing IAM, networks, encryption, monitoring, Cloud Guard, Security Zones, Security Advisor, threat intelligence, key management, SIEM integrations, and Infrastructure as Code automation. The engineer will collaborate with cloud operations, migration, application, and systems teams while establishing technical security standards for cloud and on-premises environments.

The Intermediate ISSO supports FEMA cybersecurity compliance by executing Risk Management Framework activities, implementing security controls, conducting vulnerability and system assessments, and maintaining SSPs, POA&Ms, configuration management, and contingency plans. The role supports continuous monitoring, cloud security, audit documentation, change reviews, FISMA compliance, and cybersecurity reporting. It requires coordination with system owners, ISSOs, stakeholders, and leadership while ensuring adherence to DHS and NIST requirements.

Leads vulnerability remediation and cybersecurity risk management for federal information systems. Oversees RMF lifecycle activities, system categorization, security controls, assessments, authorization documentation, continuous monitoring, incident response, audit support, and compliance reporting. Supervises security professionals, advises stakeholders and leadership, supports DOJ and Intelligence Community data calls, and drives security process improvements. Requires an active TS/SCI clearance and ability to obtain a polygraph.

Own and advance cybersecurity for satellites, flight software, ground systems, mission networks, communication links, and AWS infrastructure. Responsibilities include security architecture, threat modeling, vulnerability management, incident response, IAM, SIEM detection engineering, network defense, cloud security, DLP, security assessments, awareness training, and compliance with CMMC Level 2, NIST 800-171, and ITAR/EAR requirements. The role collaborates with aerospace, software, systems, and compliance teams and requires expertise in mission-system security.

Lead enterprise security risk assessments, maintain the risk register, prioritize and track remediation, evaluate vendor and architectural risks, define risk methodologies, map controls to NIST and CMMC requirements, support audits, report risk metrics to leadership, and promote risk ownership across the organization.