Top Senior Cyber Security Jobs in Philadelphia, PA

Build and maintain data pipelines, metrics, and dashboards to quantify consumer product security risk. Perform hands-on analytics into device and authentication signals, shape risk measurement strategy, partner with product and security teams, and influence leadership reporting. Drive a unified, scalable data foundation that enables cross-team alignment and proactive risk detection.

Lead strategy, execution, and operational excellence for multiple security engineering domains. Build and develop leaders, deliver multi-year roadmaps, drive platform evolution, automation, vendor strategy, and cross-functional programs to reduce risk and scale secure operations.

Hands-on senior IT security systems administrator responsible for administering Google Workspace and Microsoft 365, managing Windows and Mac endpoints via MDM, operating identity and SSO/MFA systems, and running security tooling (EDR, DLP, SIEM, email security). Owns threat monitoring, incident response, vulnerability and patch management, compliance evidence, DR planning, security reporting, and vendor relationships for a remote distributed workforce.

Own and scale Mozilla's web bug bounty program, triage and validate incoming reports, drive vulnerability remediation with engineering teams, perform targeted code reviews (JS/Python), collaborate with SIRT on incidents, and develop tooling to improve triage and program insights.

Maintain and mature Mozilla's ISMS and support ISO 27001 and SOC 2 Type 2 audit programs. Author system descriptions and policies, manage risk treatment plans, track remediation, support internal audits, and partner with Engineering, Legal, Privacy, and Product to drive control ownership and audit readiness.

Support DoD modernization engagements by implementing and validating secure configurations, supporting ATO/eMASS activities, producing operational runbooks, coordinating cutovers and testing, remediating vulnerabilities, and automating operations (scripting/AIOps) with emphasis on mainframe/legacy environments and DoD security frameworks.

Hands-on offensive and defensive security engineer for a Layer 1 blockchain: audit Move modules, Solidity and Rust code, build fuzzers/static analysis/formal-verification tooling, threat-model protocol layers, run bug bounty triage, lead incident response, and partner with engineers and external auditors to harden the network against sophisticated adversaries.

Lead and deliver information security governance, risk, compliance, and privacy assessments; develop security programs, roadmaps, policies and executive presentations; advise C-level clients; perform PCI and CMMC advisory services; mentor staff and produce remediation recommendations and reports.

Lead enterprise security strategy for AI and cloud: design secure AI/ML architectures, enable secure cloud migrations (on‑prem to AWS/Azure), implement zero‑trust and IAM, secure data pipelines/APIs, establish governance and compliance (HIPAA/NIST), mentor teams, and drive audit‑ready security controls across AI and hybrid environments.

Design, implement, and monitor internal security tooling and controls across endpoints and infrastructure. Enforce endpoint configurations via MDM, manage identity and zero-trust SSO solutions, automate security operations with IaC and scripting, perform log analysis and incident response, and collaborate with client platform and IT teams to harden systems and support threat hunting.

Support cybersecurity engineering for a VA healthcare modernization project: secure AWS and hybrid environments, support RMF/ATO and compliance, configure and monitor AWS security services, produce SSPs/POA&Ms/SOPs, perform vulnerability assessments and DISA STIG hardening, integrate security into DevSecOps and CI/CD, and collaborate with stakeholders on security controls and remediation.

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.

Lead application security by embedding AppSec into the SDLC, owning tooling and automation (SAST/DAST/SCA), partnering with developers and platform teams, triaging findings, securing AWS and Kubernetes, scanning containers and IaC, and automating compliance evidence for SOC 2/ISO 27001.

Lead design and management of security architecture (SIEM, EDR, DLP, firewalls, VPNs), drive incident response and detection tuning, perform vulnerability and risk assessments, support compliance/audits (HIPAA, PCI-DSS, NIST, ISO 27001), and provide cross-functional security guidance and training.

Operate and enhance application security tooling, author automation (Python), run and tune authenticated/unauthenticated DAST scans for web apps/APIs, validate and triage vulnerabilities using OWASP standards, track and verify remediation, ensure compliance with HIPAA/SOC II/NIST/FedRAMP, and build reporting solutions for leadership.

Lead enterprise cybersecurity and IT operations for a HIPAA-regulated healthcare company: build and mature security programs, manage IAM/endpoint/cloud security, drive vulnerability management and incident response, ensure compliance (HIPAA/HITECH), oversee IT operations and vendor risk, and mentor a technical team while partnering with cross-functional leadership.

Manage and execute RCA's cybersecurity program: lead audits and vendor risk assessments, run security awareness/phishing programs, oversee vulnerability remediation and MDM, ensure HIPAA/HITECH/NIST compliance, build security reporting, and coordinate incident response and tabletop exercises.

Lead and improve a 24x7 SOC by partnering with frontline analysts, owning operational metrics (MTTD/MTTR, SLAs), driving data-driven improvements, coaching analysts into career paths, optimizing tooling and automation (SIEM/SOAR), and supporting global handoffs across US, Ireland, and India.

Lead FedRAMP, SOC 2, and ISO 27001 compliance efforts by hardening AWS and Kubernetes infrastructure, implementing security controls, automating evidence collection, improving CI/CD security, and collaborating with security, legal, and engineering teams to support regulated customers.

Lead security assessments and controls across cloud-hosted applications, APIs, mobile (Flutter), CI/CD, and infrastructure. Implement and harden shared security tooling (dependency/secret/static/container scanning), review IAM and privileged access, support incident readiness and monitoring, evaluate SRE/recovery changes for security impact, and coordinate remediation with system owners. Establish security policies, automation, and review triggers to integrate practical controls into engineering workflows.

Support ATO documentation and assessment for a cloud-based federal courts modernization program. Coordinate with security, engineering, and PM teams; create Visio diagrams; monitor, test, and troubleshoot IA issues; analyze CND/SIEM logs; assess configurations; implement enterprise security policies and procedures; manage vulnerability tracking and incident documentation; provide AWS cloud security expertise and ensure compliance with NIST, FedRAMP, CIS, and ISO 27001.

Engineer and automate DevSecOps security workflows for a continuous ATO pipeline on AWS GovCloud. Integrate and automate security tooling (scans, triage, evidence, continuous monitoring), implement IaC scanning, perform cloud inventory and drift detection, mentor engineers, and produce compliance and ATO artifacts mapped to NIST 800-53/800-171.

Perform application-security engineering: run SAST/DAST scans, triage and remediate vulnerabilities, integrate Fortify/JFrog Xray/OWASP ZAP into CI/CD, support software-supply-chain/SCA efforts, and collaborate with developers to document and resolve security findings.

Design, implement, and test security controls for endpoints, identity, network and infrastructure. Lead vulnerability/patch management, coordinate penetration tests, manage third-party risk, triage incidents, and assess AI/LLM risks while partnering with IT and engineering to enforce Zero Trust and secure system deployments.

Lead application security across the SDLC: perform threat modeling, code reviews, vulnerability assessments (including scanner-less testing), define security maturity initiatives, integrate and automate SAST/DAST in CI/CD, advise stakeholders on mitigations, and act as subject-matter expert between application/hardware teams and InfoSec.