Top Remote Cyber Security Jobs in Philadelphia, PA

Own and scale LiveKit’s vulnerability management and security operations program. Responsibilities include selecting and operationalizing scanning tools, triaging vulnerabilities, assigning owners, setting remediation SLAs, building remediation dashboards, automating compliance evidence collection, and developing automation to reduce manual security work. The role partners closely with engineering and compliance teams to prioritize risk and accelerate remediation.

Own infrastructure security for LiveKit’s production platform. Map cloud security posture, prioritize and remediate infrastructure risks, harden IAM, secrets, networks, tenant isolation, and media storage, and build secure infrastructure-as-code guardrails. Partner with compliance teams on PCI-DSS and ISO 27001 controls and automate audit evidence. The role requires cloud, Kubernetes, Terraform, scripting, and production infrastructure security experience, with AI security and real-time media experience preferred.

Conduct application security assessments, discover and validate vulnerabilities, analyze complex codebases, build custom security tooling, perform threat modeling and architecture reviews, and deliver actionable findings to clients. Independently own assessment workstreams, develop proof-of-concept exploits, communicate technical conclusions, review team work, and contribute to security research, open-source tools, and technical writing.

Conduct application security assessments, discover and validate vulnerabilities, analyze code and architectures, perform threat modeling, build security tooling, and develop proof-of-concept exploits. Own scoped assessment components from discovery through client delivery, communicate findings and remediation guidance, and contribute to security research, open-source tools, and technical documentation. The role requires hands-on coding, vulnerability research, memory-corruption knowledge, operating-system familiarity, and independent technical investigation.

Participate in a paid, part-time cybersecurity internship involving technical development, security response, collaborative projects, shadowing, vendor training, and certifications. Complete in-house training while working with cybersecurity experts. Interns must be U.S.-based, available primarily during weekday EST hours, attend mandatory Tampa onboarding, provide a personal computer and reliable internet, and demonstrate foundational IT, networking, operating systems, and information security knowledge.

Provides customer-facing presales cybersecurity expertise by leading discovery, assessing cloud and hybrid security architectures, designing CNAPP-based solutions, delivering demonstrations and technical presentations, supporting proofs of concept, enabling sales teams, collaborating with vendors, and assisting with statements of work and post-sale handoffs.

Triage bug bounty and vulnerability management reports, validate findings, assess severity, identify duplicates, and coordinate remediation through closure. Collaborate with PSIRT, engineering, legal, communications, customer success, and security teams. Support CVE assignments as a CNA representative, communicate with researchers and customers, maintain accurate records, monitor operational metrics, and improve vulnerability-handling procedures, runbooks, and documentation.

Secure Windows products and devices through offensive security research, code and design reviews, penetration testing, vulnerability discovery, fuzzing, and mitigation development. Build reusable security review tools, identify vulnerabilities in operating system features and native applications, collaborate with Windows engineering teams on durable defenses, engage security researchers, and communicate the business value of security investments.

Owns compliance documentation and security control narratives for an Agentic AI platform. Responsibilities include authoring System Security Plans, managing POA&Ms, coordinating audit evidence, supporting RMF and ATO activities, maintaining policies and SOPs, and partnering with cloud, platform, and security engineers. The role validates that documentation reflects implemented infrastructure and supports CMMC, FedRAMP, DoD, and NIST-aligned compliance efforts.

Provides L1 technical support for enterprise customers using cloud email and SaaS security platforms. Resolves configuration, API, integration, false-positive, and threat investigation issues through troubleshooting and log analysis. Communicates root causes and recommendations, partners with Engineering and Product, supports onboarding, maintains knowledge documentation, and identifies recurring customer issues. Requires 4+ years of cybersecurity, SaaS, or enterprise technical support experience, strong email security and cloud ecosystem knowledge, API troubleshooting skills, and excellent communication.

Provides customer-facing cybersecurity expertise during presales engagements. Consults with CIOs, CISOs, security engineers, and procurement teams; educates sales teams; develops cybersecurity collateral, use cases, and service offerings; supports solution scoping and statements of work; and demonstrates security technologies including DLP, DSPM, DDR, and file encryption. The role requires strong cybersecurity knowledge, presales consulting experience, security framework familiarity, product expertise, and up to 20% travel.

Manages enterprise security awareness and training programs, including campaign development, content creation, global delivery, project calendars, compliance alignment, stakeholder collaboration, and outcome reporting. The role adapts training for diverse employee groups, uses creative learning methods and LMS platforms, supports security culture initiatives, and protects confidential information.

Conduct application security assessments and red team engagements for Fortune 1000 clients. Test web, API, mobile, and AI-enabled applications; perform threat analysis, reconnaissance, interviews, and technical control validation. Document vulnerabilities, analyze risk and root causes, and recommend remediation. The role may also involve network, Active Directory, social engineering, wireless, and security control bypass testing, along with client-facing consulting and report writing.

Provides customer-facing presales cybersecurity expertise, leading technical discovery, assessing cloud and hybrid security architectures, designing CNAPP and enterprise security solutions, delivering demonstrations and presentations, supporting proofs of concept, enabling sales teams, collaborating with vendors, and assisting with statements of work and post-sales handoffs.

Provides customer-facing presales cybersecurity expertise focused on OT and IoT environments. Advises executives, security teams, and procurement stakeholders; develops security services, sales collateral, use cases, system and network diagrams, and lab demonstrations. Educates sales teams, stays current on security technologies and trends, and supports consultative solution engagements involving industrial protocols, asset visibility, traffic analysis, segmentation, cloud security, and security frameworks.

Lead product strategy, roadmap, and delivery for AI-native security experiences. Partner with engineering, security research, design, and data science teams to translate emerging technologies into customer value. Establish operational readiness practices covering release governance, risk management, quality reviews, incident learning, executive readiness, onboarding, adoption, and partner success. Drive complex cross-organizational programs and ensure scalable, reliable launches and measurable customer outcomes.

Drive new customer sales for cybersecurity, governance, risk, and compliance advisory services. Qualify partner-referred opportunities, conduct consultative discovery, develop proposals and Statements of Work, manage forecasts and CRM records, and coordinate with sales, delivery, and legal teams. Participate in project kickoffs, support project execution, and serve as the customer point of contact while identifying additional service opportunities.

Build and lead a scalable application security and secure SDLC program across engineering teams. Establish policies, standards, tooling, vulnerability management, threat modeling, developer enablement, security champions, software supply-chain controls, and executive reporting. Partner with development, platform, DevOps, product, and leadership teams to integrate security into CI/CD, source control, build, release, and deployment workflows while supporting audits, advisories, incident response, and regulatory requirements.

Designs and operates controlled cyber-capability evaluations for frontier AI models and agentic systems. Builds vulnerable applications, cyber ranges, exploit-development targets, and evaluation harnesses; runs experiments; collects telemetry; analyzes model behavior and evaluation artifacts; and documents security findings. The role also develops sandboxing, containment, access, and secrets-management controls while collaborating with red-team operators, researchers, engineers, and Responsible AI stakeholders.

Designs, implements, and optimizes enterprise, cloud, and operational security controls. Responsibilities include managing firewalls, SIEM, EDR, SOAR, IAM, vulnerability assessments, penetration testing, incident response, security monitoring, architecture documentation, compliance alignment, and remediation support. The role collaborates with IT, DevOps, and security teams to improve detection, response, resilience, and audit readiness.

Leads technical pre-sales engagements for Microsoft security and compliance solutions. Designs architectures, delivers presentations, demonstrations, workshops, pilots, and proof-of-concept solutions focused on XDR, zero trust, cloud security, Purview, data protection, governance, privacy, and compliance. Partners with sales, consulting, and internal and external technical teams to resolve blockers, influence competitive strategy, and help customers implement Microsoft and third-party cloud security technologies.

Reviews client evidence and controls for SOC 2, ISO 27001, PCI, HIPAA, and GDPR audit readiness. Supports security program managers with client consultations, control implementation, policies, procedures, integrations, auditor coordination, and stakeholder communication. Identifies evidence gaps, documents actionable findings, tracks readiness metrics, contributes to QA standards, and provides product feedback. The role combines internal audit quality assurance with client-facing security compliance support.

Support backend, database, API, authentication, authorization, and security improvements for a live HR platform. Responsibilities include identifying vulnerabilities, improving tenant isolation and access controls, maintaining database integrity and performance, monitoring production issues, writing automated tests, reviewing dependencies, documenting changes, and assisting with backups, migrations, and deployment testing.

Partner with sales teams to win strategic data security opportunities. Present technical solutions, gather customer requirements, lead product evaluations, configure solutions, and design evaluation test plans. The role requires extensive pre-sales experience, security and networking expertise, data protection and web technology knowledge, and collaboration across matrixed go-to-market and partner teams.

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.