Top Senior Cyber Security Jobs in Charleston, SC

Leads federal cybersecurity program management and ISSO activities for FHWA systems. Manages plans, schedules, risks, deliverables, staffing, reporting, audits, contingency testing, authorization documentation, vulnerability remediation, security assessments, cloud controls, DevSecOps, incident support, and compliance with FISMA, NIST, FIPS, and FedRAMP requirements. Advises system owners, developers, infrastructure teams, and government stakeholders on cybersecurity risk and information assurance.

Secure Temporal’s multi-cloud platform across AWS, GCP, and Azure by embedding security into infrastructure and application architecture. Responsibilities include threat modeling, risk assessment, Kubernetes hardening, multi-tenant isolation, gRPC and mTLS security, service mesh configuration, cloud security posture management with Wiz, secrets management, encryption, compliance policy development, engineering partnership, and on-call participation. The role also contributes to responsible AI practices and security for distributed workflow systems.

Secure Temporal’s development pipeline, product, and customer execution environments. Partner with engineering teams on secure architecture, threat modeling, risk assessments, code and software supply-chain security, vulnerability triage, Kubernetes hardening, multi-tenant isolation, and responsible AI security. Participate in on-call rotations and help establish actionable security policies and practices across the organization.

Lead enterprise network segmentation projects using Guardicore Micro Segmentation across data center and cloud environments. Responsibilities include architecture design, project planning, installation, integration, configuration, policy deployment, documentation, customization, training, optimization, and troubleshooting. The role partners with customers, Support, and Engineering teams to deliver successful implementations and improve post-sales satisfaction.

Lead technical response to security incidents across Twilio's global cloud infrastructure. Triage, contain, remediate, document incidents, drive post-incident improvements, automate workflows (SOAR), extend SIEM capabilities, participate in on-call rotation, mentor teammates, and collaborate with R&D to improve detection and threat mitigation.

Leads cybersecurity solutions engineering for government and education customers across managed security, network monitoring, cloud security, and related services. Provides technical discovery, solution design, demonstrations, proofs of concept, onboarding, deployment guidance, escalations, and post-sales support. Partners with sales and technical account teams, mentors engineers, develops enablement materials, informs product strategy, identifies expansion opportunities, and manages customer activity in Salesforce.

Secure Agora’s applications, APIs, cloud infrastructure, Kubernetes workloads, deployment pipelines, and blockchain-related systems. Responsibilities include threat modeling, architecture and code reviews, security tooling administration, detection engineering, monitoring, incident response, vulnerability management, penetration-test coordination, security automation, and cross-functional remediation. The role partners closely with Engineering, Product, Infrastructure, Compliance, Operations, and the SOC to improve controls, telemetry, response readiness, and security risk visibility.

Lead and grow a remote Security Detection & Response team, build detection engineering and observability systems, drive telemetry onboarding, Panther and MITRE-aligned detections, Python automation, CI/CD workflows, and AI-assisted triage. Own incident response, investigations, cross-functional collaboration, and measurement of detection effectiveness.

Lead presales engagements and practice development for security operations solutions. Design SOC architectures involving SIEM, SOAR, EDR/XDR, threat intelligence, detection, incident response, and automation. Conduct discovery sessions, demonstrations, POCs, presentations, vendor evaluations, and internal enablement. Develop technical collateral, support partner solutions, identify revenue opportunities, and advise clients on SecOps maturity and target-state architectures.

Build autonomous AI-driven security testing systems and agentic workflows for analyzing mobile, desktop, IoT, and API applications. Develop reusable security automation frameworks, integrate static and dynamic analysis, reverse engineering, network analysis, vulnerability intelligence, and custom tools. Create evaluation systems and human-in-the-loop workflows, research emerging AI and offensive security techniques, and collaborate with security researchers to scale testing. The role requires production-quality coding, security expertise, autonomy, and U.S. citizenship.

Lead technical presales engagements for Microsoft security solutions, including Entra, Purview, Defender, and Sentinel. Deliver discovery sessions, demonstrations, whiteboarding, solution designs, and proof-of-concept efforts. Build competitive strategies, resolve technical blockers, guide customer decisions, collaborate with partners and deployment teams, and help existing customers optimize security product usage. Embed governance, security, and compliance into customer engagements while quantifying business value and supporting sales targets.

Leads cybersecurity governance, enterprise risk assessments, security maturity evaluations, third-party risk reviews, audits, and remediation planning. Owns phishing simulations and security awareness programs, analyzes human-risk metrics, and develops targeted training. Maintains risk registers, dashboards, scorecards, KRIs, and executive reporting while improving GRC efficiency through automation. Advises business and technology leaders by translating technical risks into actionable recommendations and collaborates cross-functionally with Procurement, Legal, HR, Communications, Internal Audit, and Information Security.

Serve as a fractional CISO advising alternative asset firms and family offices on building, maintaining, and operating full cybersecurity programs. Provide hands-on leadership, risk assessment, policy and controls development, and program execution on project-based engagements.

Provide fractional cybersecurity advisory and hands-on operations for hedge funds and family offices: conduct assessments, run vulnerability management and incident response, implement policies and controls, monitor logs and network traffic, test BCDR plans, advise on vendor selection, and report KPIs and remediation plans.

Lead complex cloud, identity, supply-chain, and nation-state security investigations. Perform root-cause analysis, threat hunting, blast-radius assessment, attribution, and incident response across Microsoft telemetry. Operationalize intelligence into queries, detections, playbooks, and platform fixes; investigate adversary tradecraft; use AI-assisted tooling; produce executive-ready reports; and mentor peers in advanced investigations, forensics, and reverse engineering.

Leads long-term strategy, vision, roadmaps, and measurable business outcomes for information security products. Develops product strategies based on user needs, prioritizes releases across products, manages capacity and investment decisions, tracks KPIs, and collaborates with stakeholders and product teams. Mentors Product Owners, facilitates cross-functional alignment, engages customers, researches industry trends, and supports continuous improvement within a highly regulated enterprise environment.

Build Tempo’s product security program from the ground up, including application, infrastructure, endpoint, and supply-chain security tooling. Identify and remediate production and development-pipeline risks, lead incident response through post-mortems, conduct secure design reviews, and establish scalable security practices. The role requires hands-on coding, deep incident-response expertise, strong infrastructure and application-security knowledge, and autonomous collaboration with engineering.

Lead AppSec efforts across product, platform, and AI features by owning secure SDLC, performing threat modeling and deep code reviews, driving vulnerability management and remediation, building AppSec tooling and automations (including AI-assisted workflows), and enabling engineering teams with secure design guidance and training.

The Security Software Engineer will design and implement security controls for MongoDB Atlas, collaborating across engineering teams and ensuring adherence to high security standards.

The Senior Site Reliability Engineer will lead security design and implementation for cloud infrastructures, mentor teams, and automate security solutions.

Own Fetch’s information security function, including vulnerability management, application security, incident response, forensics, security architecture, GRC, compliance, third-party risk, AI governance, and security awareness. Serve as incident commander and senior technical authority, mature the security program, lead audits and executive reporting, manage security risks, and hire and develop the Security Engineering team.

Build and own automated security control monitoring, continuous control monitoring, AWS evidence collection, control-failure workflows, and AI-native GRC processes. Integrate APIs and data systems, maintain cross-framework control libraries, support audits, validate remediation, administer GRC technology, and establish engineering standards for automation. Partner with Platform Engineering, DevOps, and IT to implement preventive guardrails, dashboards, self-service evidence, and measurable improvements in audit readiness and risk reduction.

Supports cybersecurity and Risk Management Framework activities for C-17 training systems. Responsibilities include vulnerability scanning, security audits, risk analysis, eMASS control monitoring, accreditation documentation, incident response, continuous monitoring, secure configuration, disaster recovery, reporting, training, and coordination with government, contractor, engineering, maintenance, and aircraft support teams. The role requires frequent domestic and international travel and eligibility for a DoD personal security clearance.

Lead end-to-end execution of a 12+ initiative product security program, managing cross-team dependencies, vendor procurement, BAU security operations, and executive reporting. Maintain roadmap and tracking in Jira/Confluence, drive procurement/POCs, produce executive-ready metrics, and establish program cadence to ensure timely remediation and predictable delivery.

Designs and executes application security practices across product and platform engineering teams. Responsibilities include integrating SAST, DAST, SCA, secret, IaC, API, mobile, container, and cloud-native security into CI/CD; conducting secure design reviews, threat modeling, code reviews, and testing; building automation, guardrails, policy-as-code, release risk gates, secure coding standards, SBOM processes, and vulnerability disclosure workflows.