Top Senior Cyber Security Jobs in Charleston, SC

Design and implement OT/ICS security architectures including network segmentation, access controls, intrusion detection/prevention, and configuration hardening. Perform threat modeling, network assessments, incident root cause analysis, monitoring, and remediation. Collaborate with IT, engineering, and operations teams, maintain documentation, enforce policies, and provide training to improve OT cybersecurity posture.

Own and define IAM strategy for corporate and production environments. Migrate Okta to Terraform, design least-privilege access, automate provisioning/deprovisioning and access reviews, build/manage MDM/MAM tooling, partner with platform and engineering teams, and serve as the IAM subject matter expert across Security, IT, and Engineering.

Lead detection, response, and digital forensics for security incidents. Monitor alerts, perform technical analysis, act as Incident Commander, build automation and runbooks, mentor engineers, and coordinate cross-team investigations and insider threat work.

Ensure Rubrik products meet security standards by integrating AppSec into the SDLC, performing automated and manual assessments, threat modeling, hardening applications and deployments, tracking AppSec metrics, and producing security guidance for engineering and operations teams.

Lead federal cloud security and compliance efforts to achieve and sustain ATOs. Implement and automate FedRAMP/IL-5/RMF controls, manage continuous monitoring, coordinate 3PAO audits, drive cloud security architecture, oversee change control/SCRs, and lead incident response and POA&M remediation using AI-enabled automation and monitoring across high-security GovCloud environments.

The role involves leading security initiatives, building security tools, conducting vulnerability assessments, and collaborating with teams to enhance cloud security and risk management.

Act as the technical presales lead for AI agent and cloud identity security across North America: scope engagements, design and run POCs and architectures across AWS/Azure/GCP, secure non-human and machine identities, create repeatable technical assets, and partner with account teams to close deals.

The Staff Security Engineer will lead technical security initiatives, own architectural security decisions, mentor engineers, and align teams on security strategy while ensuring system integrity and compliance.

The Senior Product Security Engineer will manage security intelligence across platforms, identify vulnerabilities, improve developer tools, and assist incident response teams, focusing on security and fraud in application design.

As a Senior Offensive Security Engineer, you'll assess Huntress' defenses, execute red team engagements, conduct penetration tests, and enhance security protocols while collaborating with internal teams.

As a Sr. Product Security Engineer, you will focus on network security, identifying gaps, architecting solutions, and leading cross-functional security initiatives.

As a Software Engineer in Product Security, you will develop security tooling, build scalable systems, and collaborate with teams to safeguard the security cloud.

Design and support IAM solutions using Microsoft Entra ID, develop PowerShell automation, improve IAM processes, and provide guidance to junior engineers.

The Staff Product Security Engineer will enhance security in product development, conduct threat modeling, review code, automate processes, and advise on security requirements.

The Senior Security Engineer will design secure development lifecycles, integrate security tools, lead remediation of security issues, and mentor teammates, ensuring systems resilience and security across DraftKings.

Lead negotiation of complex technology and cloud licensing agreements, focusing on security terms. Advise Sales, InfoSec, Product, and Legal on contractual security and compliance risks, translate technical posture into scalable contract language, and support regulatory and novel issues while closing enterprise deals.

The Physical Security Manager oversees the design and management of security systems, operations, and infrastructure while leading security initiatives and vendor management across corporate environments.

Lead the strategy and execution of security engineering programs, manage a team of security professionals, and enhance Upstart's security posture by improving security controls and initiatives across the organization.

As a Senior Security Engineer, you will lead Upstart's data security program, design scalable data protection systems, and collaborate with engineering and cross-functional teams while mentoring other security practitioners.

The Senior Security Engineering Manager leads security practices across application, infrastructure, and product security, setting strategic priorities and managing a team of engineers to enhance security posture and reduce risk.

The Security Engineer will manage Liftoff's SIEM, lead the adoption of AI-augmented SOC tools, triage alerts, and improve incident response processes while collaborating on various security functions.

As a Principal Security Engineer in Data Security, you will spearhead Upstart's data security program, architect software solutions, partner cross-functionally, and mentor teams while ensuring effective protection of sensitive data.

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.

Manage and coach a security operations team responsible for detection, investigation, and incident response. Perform hands-on work designing/tuning detections, operating SIEM/SOAR, leading incident response, improving automation and runbooks, and managing vendor relationships to protect patient and provider data.

Assess and harden software supply chain security by performing technical assessments, designing and implementing security controls and monitoring for build pipelines, investigating systems for vulnerabilities, creating tooling to address gaps, and leading cross-team projects to improve CrowdStrike's product security posture.