Top Senior Cyber Security Jobs in Philadelphia, PA

Lead and expand the Application Security program: define roadmap, embed security into SDLC, perform architecture and code reviews, manage vulnerability lifecycle and incident response, lead penetration testing strategy, deliver executive metrics, and mentor a small hands-on AppSec team.

Lead cloud security for GCP and Azure by operationalizing CNAPP tooling, embedding security-as-code with Terraform/CI-CD, driving vulnerability management, improving detection and response with Chronicle, hardening data and endpoint security, and mentoring engineers while serving as senior escalation during incidents.

Lead research and analysis on cloud-native security, create thought leadership, advise clients and vendors, present at events, support sales and peer review, mentor junior analysts, and improve research processes. Provide actionable guidance on cloud security architectures, vendor selection, and the intersection of cloud security with GenAI. Travel up to 25%.

Perform protocol-focused security research to prevent vulnerabilities on Ethereum mainnet. Tasks include AI-assisted analysis, fuzzing, manual review, reviewing hardforks and spec changes, improving security tooling and automation, coordinating disclosures, and supporting audits and audit competitions while collaborating with devops, specifications authors, and client implementers.

Lead research and advisory on network security: produce thought leadership, analyze market trends, advise clients on evaluation/selection/deployment of firewalls, NDR, SASE/SSE, microsegmentation and Zero Trust, present findings, mentor junior analysts, and support sales and research processes.

Lead research and produce high‑impact network security insights. Advise clients on evaluation, selection and deployment of network security technologies, present at events, support sales, mentor analysts, and drive research agenda and process improvements.

Perform advanced threat hunting and deep analysis of attacker activity across on-premises and cloud environments, notify customers of imminent threats, build proof-of-concept hunting tools and automations, synthesize findings into mitigation recommendations, and drive product/tool improvements by transferring threat intelligence and investigation best practices to engineering and customer teams.

Lead and deliver Google Cloud security architecture, posture assessments, and operationalization. Advise on GCP security strategy, implement Security Command Center and cloud-native security tooling, integrate findings into SIEM/SecOps, guide AI workload security, produce executive reports and remediation roadmaps, and mentor consultants while driving repeatable methodologies and delivery quality.

Lead design, assessment, and operationalization of secure Google Cloud environments. Advise on GCP security strategy, posture assessments, SIEM/Chronicle integration, CNAPP/CSPM tooling, Security Command Center implementation, Vertex AI security, remediation roadmaps, and delivery of architecture, runbooks, and executive advisory. Mentor consultants and develop repeatable security methodologies.

Lead Fabric's security program and corporate IT operations, including identity, endpoint, cloud, application, and vendor security. Hire and manage a small team, run incident response, handle customer security questionnaires, partner on SOC2/HITRUST/HIPAA control implementation, and set practical security policy while remaining hands-on in operations and tooling.

Senior individual contributor who researches and delivers thought leadership on application security for enterprise applications (ERP/CRM). Produces insights, advises CIOs, supports sales and events, mentors junior analysts, and builds security strategies, roadmaps, metrics, and vulnerability testing programs for major vendors and third-party tools.

Lead research and deliver strategic and tactical advice on AI data security and AI ecosystem data management. Produce written research, briefings, and presentations; advise clients and stakeholders; grow networks of thought leaders and vendors; ensure research integrity and collaborate across Gartner to support deliverables. Travel up to 25%.

Lead security advisory engagements focused on cybersecurity and data governance. Conduct program assessments, design and operationalize data governance programs, produce client deliverables, mentor consultants, support sales with scoping and proposals, and contribute to practice development, thought leadership, and forecasting to drive advisory services revenue.

Lead go-to-market strategy for the Security practice, develop and package security solutions, enable sales and delivery, build partner ecosystem, drive business development and marketing, and mentor security teams to achieve revenue and growth targets.

Lead technical marketing for API, AI agent, and application security by deploying and testing Akamai products, building PoCs, demos, labs, and attack simulations, creating technical content and enablement, validating messaging, and presenting technical briefings while collaborating with product, engineering, and field teams.

Senior pre-sales architect focused on network and infrastructure security. Support sales of DDoS mitigation, Security Posture Management, and DNS products (including Prolexic). Engage customers with demos, deep technical discussions, trials, and solution evangelism. Collaborate with sales and product management to influence roadmap and drive adoption.

Hands-on senior security engineer responsible for designing and automating security controls across cloud and application stacks. Lead implementation of PAM/JIT, vulnerability management, SAST/DAST/SCA integration, security automation (Python/Go/Terraform/Tines), endpoint and DLP protections, cloud network hardening, key management, SIEM correlation, and developer-focused security tooling and reviews to protect PHI and advance security posture.

Design, implement, and automate cloud security controls (primarily AWS, with GCP work) using code (Python, Go) and IaC (Terraform). Build authorization and JIT access systems, harden containers and CI/CD pipelines, integrate data classification with access controls, automate security operations and incident response, and partner with engineering to embed HIPAA-compliant, secure-by-design practices.

Design, build, and automate cloud security controls (primarily AWS, with GCP considerations) using code and IaC. Implement authorization frameworks, JIT access, container hardening, security tooling, SIEM integrations, and CI/CD security. Partner with engineering to integrate data classification, remediate legacy environments, conduct threat modeling, and develop incident response automation and documentation.

Own and operate the organisation's accounts, access, and cloud subscriptions; set practical security standards; identify and remediate risks hands-on; manage onboarding/offboarding access across core platforms; partner with engineers and researchers to ensure secure, usable controls.

Lead and grow the security operations team to detect, investigate, and respond to threats across endpoints, identity, email, and cloud. Develop SecOps strategy, incident response playbooks, run tabletop exercises, manage SIEM/EDR/email security, drive identity governance, vendor/MSSP relationships, and report security KPIs to leadership.

Manage and perform red and purple team engagements, external/internal penetration tests, wireless/web/mobile/embedded assessments, ransomware readiness and social engineering. Develop tools, incorporate threat intelligence, present findings to technical and executive audiences, and mentor and expand offensive security capabilities. Occasional travel (~10%).

Lead and build vdBA's Managed Detection and Response service line for life sciences: own roadmap, tooling, SLAs, incident response, compliance (SOC 2/HITRUST/ISO), client engagements, and scale the security operations team while integrating security into delivery and sales.

Lead technical discovery and solution design for enterprise identity and privileged access management opportunities. Build reference architectures, guide PoC/PoV engagements, present to executive and technical stakeholders, collaborate with Sales Engineering, Product and Sales leadership, and represent Keeper at customer and market events while staying current on identity security landscape.

Design, build, and maintain automated API and security test frameworks. Validate authentication, authorization, rate limiting, and error handling. Conduct fuzzing, token validation, access control testing, and integrate tests into CI/CD. Analyze failures, test integrations, ensure API contract adherence, and mentor automation engineers to improve coverage and reliability.